Conifer reproductive biology

Conifer Reproductive Biology

Volumn , Issue , 2009, Pages 1-169

  Williams, Claire G ^a  

^a NONE

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EID: 84900708305     PISSN: None     EISSN: None     Source Type: Book    
DOI: 10.1007/978-1-4020-9602-0     Document Type: Book

References (511)

1. Alvin, K. 1960. Further conifers of the Pinaceae from the Wealden Formation of Belgium. Institut Royal des Sciences Naturelles de Belgique Memoires 146:1-39.
2. Andrews, H. 1963. Early seed plants. Science 142:925-931.
3. Boufford, D. and S. Spongeford. 1983. Eastern Asia-eastern North American phytogeographical relationships - a history from the time of Linnaeus to the twentieth century. Annals of the Missouri Botanical Garden 70:423-439.
4. Brenner, E. and D. Stevenson. 2006. Using genomics to study evolutionary origins of seeds. Editor: C. G. Williams. In: Landscapes, Genomics and Transgenic Conifers. Springer, Dordrecht, The Netherlands. pp. 85-106.
5. Brundett, M. 2002. Coevolution of roots and mycorrhizas of land plants. New Phytologist 154:275-304.
6. Brunsfeld, S., P. Soltis, et al. 1994. Phylogenetic relationships among the genera of Taxodiaceae and Cupressaceae. Systematic Botany 19:253-262.
7. Buchholz, J. 1951. A flat-leaved pine from Annam, Indo-china. American Journal of Botany 38:245-252.
8. Chapman, D. 1995. Plant transitions to land Chapter 3. Editors: M. Gordon and E. Olson. In: Invasions of the Land: The Transition of Organisms from Aquatic to Terrestial Life. Columbia University Press, New York. 312 pp.
9. Chin, K. and B. Gill. 1996. Dinosaurs, dung beetles and conifers: participants in a Cretaceous food web. Palaios 11:280-285.
10. Contreras-Medina, R. and I. Vega. 2002. On the distribution of gymnosperm genera, their areas of endemism and cladistic biogeography. Australian Systematic Botany 15:193-203.
11. Costanza, S. 1985. Pennsylvanioxylon of middle and upper Pennsylvanian coals from the Illinois basin and its comparison with Mesoxylon. Palaeontographica Abt. B 197:81-121.
12. Cox, C. and P. Moore. 2005. Biogeography: An Ecological and Evolutionary Approach. Blackwell, Malden, MA, Seventh Edition, 440 pp.
13. De Ferré, Y. 1948. Quelques particularities anatomiques d'un pin indochinois: Pinus krempfii. Bulletin de la société d'histoire naturelle de Toulouse 83:1-6.
14. Di Michele, W., S. Mamay, et al. 2001. An early Permian flora with late Permian and Mesozoic affinities for north-central Texas. Journal of Palaeontology 75:449-460.
15. Eckenwalder, J. 1976. Re-evaluation of Cupressaceae and Taxodiaceae: a proposed merger. Madrono 23:237-256.
16. Escapa, I., R. Cuneo, et al. 2008. A new genus of the Cupressaceae (sensu lato) from the Jurassic of Patagonia: implications for conifer megasporangiate cone homologies. Review of Palaeobotany and Palynology 151:110-122.
17. Farjon, A. 1996. Biodiversity of Pinus (Pinaceae) in Mexico: speciation and paleo-endemism. Botanical Journal of the Linnaean Society 121:365-384.
18. Farjon, A. 1998. World Checklist and Bibliography of Conifers. Royal Botanic Gardens, Kew.
19. Farjon, A. 2007. In defence of a conifer taxonomy which recognizes evolution. Taxon 56:639-641.
20. Farjon, A. and B. Styles. 1997. Pinus (Pinaceae). New York Botanical Garden, New York.
21. Farjon, A., T. Nguyen, et al. 2002. A new genus and species in Cupressaceae (Coniferales) from Northern Vietnam, Xanthocyparis vietnamensis. Novon 12:179-189.
22. Gensel, P. and H. Andrews. 1984. Plant Life in the Devonian. Praeger, New York.
23. Gernandt, D., S. Magallan, et al. 2008. Use of simultaneous analyses to guide fossil-based calibrations of Pinaceae phylogeny. International Journal of Plant Sciences 169:1086-1099.
24. Haig, D. and M. Westoby. 1989. Selective forces in the emergence of the seed habit. Biological Journal of the Linnean Society 38:215-238.
25. Hart, J. 1987. A cladistic analysis of conifers: preliminary results. Journal of Arnold Arboretum 68:269-307.
26. Hernandez-Castillo, G., G. Rothwell, et al. 2001. Thucydiaceae Fam. Nov., with a review and re-evaluation of Paleozoic Walchian conifers. International Journal of Plant Sciences 162:1155-1185.
27. Jahren, A. 2007. The Arctic forest of the middle Eocene. Annual Review of Earth and Planetary Sciences 35:509-540.
28. Keller, A. and M. Hendrix. 1997. Paleoclimatologic analysis of a Late Jurassic petrified forest, south-eastern Mongolia. Palaios 12:282-291.
29. Kerp, J., R. Poort, et al. 1990. Aspects of Permian paleobotany and palynology: conifer dominated rotliegend floras from the Saar-Nahe Basin (Late Carboniferous Early Permian, SW Germany) with special reference to the reproductive biology of early conifers. Review of Paleobotany and Palynology 62:205-248.
30. Knoll, A. 1986. Patterns of change in plant communities through geological time. Editors: J. A. Diamond and T. J. Case. In: Community Ecology. Harper & Row, New York. Chapter 7, pp. 126-141.
31. Krupkin, A., A. Liston, et al. 1996. Phylogenetic analysis of the hard pines (Pinus subgenus Pinus, Pinaceae) from chloroplast DNA restriction site analysis. American Journal of Botany 83:489-498.
32. Labandeira, C., J. Kvacek, et al. 2007. Pollination drops, pollen and insect pollination of Mesozoic gymnosperms. Taxon 56:663-695.
33. Le Page, B. 2003. The evolution, biogeography and paleoecology of the Pinaceae based on fossil and extant representatives. Acta Horticulturae 615:29-52.
34. Le Page, B. and J. Basinger. 1995. Evolutionary history of the genus Pseudolarix Gordon (Pinaceae). International Journal of Plant Sciences 156:910-950.
35. Le Page, B., R. Currah, et al. 1997. Fossil ectomycorrhizae from the Middle Eocene. American Journal of Botany 84:410-412.
36. Le Page, B., B. Beauchamp, et al. 2003. Late early Permian plant fossils from the Canadian High Arctic: a rare paleoenvironmental/climatic window in northwest Pangea. Palaeogeography, Palaeoclimatology, Palaeoecology 191:345-372.
37. Le Page, B., C. Williams, et al. 2005. The Geobiology and Ecology of Metasequoia. Springer, Dordrecht, The Netherlands.
38. Li, H. 1953. Present distribution and habits of the conifers and the taxads. Evolution 7:245-261.
39. Looy, C., W. Brugman, et al. 1999. The delayed resurgence of forests after the Permian-Triassic ecologic crisis. Proceedings National Academy of Sciences U. S. A. 96:13857-13862.
40. Looy, C., R. Twitchett, et al. 2001. Life at the end: Permian dead zone. Proceedings National Academy of Sciences U. S. A 98:7879-7883.
41. Mapes, G. and G. Rothwell. 1998. Primitive pollen cone structure in upper Pennylsvanian (Stephanian) Walchian conifers. Journal of Paeontology 72:571-576.
42. Matten, L., T. Fine, et al. 1984. The megagametophyte of Hydrasperma tenuis long from the uppermost Devonian of Ireland. American Journal of Botany 71:1461-1464.
43. Merrill, E. 1948. Metasequoia, another living fossil. Arnoldia 8:1-8.
44. Millar, C. 1993. The impact of the Eocene on the evolution of Pinus L. Annals of the Missouri Botanical Garden 80:471-498.
45. Miller, C. 1977. Mesozoic conifers. Botanical Gazette 43:217-280.
46. Mirov, N. 1967. The Genus Pinus. Ronald Press, New York.
47. Niklas, K., B. Tiffney, et al. 1983. Patterns in vascular land plant diversification. Nature 303:614-616.
48. Niklas, K. 1997. The Evolutionary Biology of Plants. University of Chicago Press, Chicago, IL.
49. Pettit, J. and C. Beck. 1968. Archaeosperma arnoldii - a cupulate seed from the Upper Devonian of North America. Contrib. Mus. Paleont. Univ. Michigan 22:139-154.
50. Price, R. and J. Lowenstein. 1989. An immunological comparison of Sciadopityaceae, Taxodiaceae and Cupressaceae. Systematic Botany 14:141-149.
51. Richardson, D., P. Williams, et al. 1994. Pine invasions in the Southern Hemisphere: determinants of spread and invadibility. Journal of Biogeography 21:511-527.
52. Rothwell, G. and S. Scheckler. 1988. Biology of ancestral gymnosperms. Editor: C. Beck. In: Origin and Evolution of Gymnosperms. Columbia University Press, New York. pp. 85-134.
53. Stefanovic, S., M. Jager, et al. 1998. Phylogenetic relationships of conifers inferred from partial 28S rRNA gene sequences. American Journal of Botany 85:688-697.
54. Stephan, G. and L. Tien. 1986. Development of pine resin production in Vietnam (translated from German). Soz. Forst. 36:120-121.
55. Stewart, W. and G. Rothwell. 1993. Paleobotany and the evolution of plants. Cambridge University Press, New York. 521 p.
56. Taylor, T. and M. Millay. 1979. Pollination biology and reproduction of early seed plants. Review of Paleobotany and Palynology 27:329-355.
57. Wang, S.-J. 1998. The cordaitean fossil plants from Cathaysian area in China. Acta Botanica Sinica 40:573-579.
58. Wang, X.-R., A. Szmidt, et al. 2000. The phylogenetic position of the endemic flat-needle pine Pinus krempfii (Pinaceae) from Vietnam, based on PCR-RFLP analysis of the chloroplast DNA. Plant Systematics and Evolution 220:21-36.
59. Wen, J. 1999. Evolution of eastern Asian and eastern North American disjunct distributions in flowering plants. Annual Review of Ecology and Systematics 30:421-455.
60. Westing, A. and C. Westing. 1981. Endangered species and habitats of Vietnam. Environmental Conservation 8:59-63.
61. Williams, C., A. Johnson, et al. 2003. Reconstruction of Tertiary Metasequoia forests. I. Test of a method for biomass determination based on stem dimensions. Paleobiology 29:256-270.
62. Willyard, A., J. Syring, et al. 2007. Fossil calibration of molecular divergence in Pinus: inferences for ages and mutation rates. Molecular Biology Evolution 24:90-101.
63. Bonnet-Masimbert, M. and J. Webber. 1995. From flower induction to seed production in forest tree orchards. Tree Physiology 15:419-426.
64. Bramlett, D., C. Williams, et al. 1995. Surrogate pollen induction shortens the breeding cycle of loblolly pine. Tree Physiology 15:531-575.
65. Burris, L., C. Williams, et al. 1992. Scion age and its effect on flowering and early selection age. Knoxville, TN, Southern Forest Tree Conference.
66. Cloutier, D., D. Rioux, et al. 2003. Somatic stability of microsatellite loci in eastern white pine, Pinus strobus L. Heredity 90:247-252.
67. Coelho, S., A. Peters, et al. 2007. Complex life cycles of multicellular eukaryotes: new approaches based on the use of model organisms. Gene 406:152-170.
68. Connor, K. and R. Lanner. 1991. Effects of tree age on pollen, seed and seedling characteristics in Great Basin bristlecone pine. Botanical Gazette 152:114-122.
69. Dorman, K. 1976. The Genetics and Breeding of Southern Pines. Washington, DC, US Department of Agriculture, Forest Service U. S. Government Printing Office.
70. Drake J., B. Charlesworth, et al. 1998. Rates of spontaneous mutation. Genetics 148:1667-1686.
71. Ferguson, M. 1904. Contributions to the life history of Pinus with special reference to sporogenesis, the development of gametophytes and fertilization. Proceedings of the Washington Academy of Science 6:1-202.
72. Greenwood, M. 1978. Flowering induced on young loblolly pine grafts by out-of-phase dormancy. Science 201:443-444.
73. Greenwood, M. 1980. Reproductive development in loblolly pine. I. The early development of male and female strobili in relation to the long shoot growth behavior. American Journal of Botany 67:1414-1422.
74. Greenwood, M. 1984. Phase change in loblolly pine: shoot development as a function of age. Physiologia Plantarum 61:518-522.
75. Harrison, D. and M. Slee. 1992. Long shoot terminal bud development and the differentiation of pollen- and seed-cone buds in Pinus caribaea var. hondurensis. Canadian Journal of Forest Research 22:1565-1668.
76. Hofmeister, W. 1851. Vergleichende Untersuchungen der Keimung, Entfaltung und Fruchbiung hoherer Kryptogamen (Moose, Farrn, Equisetceen. Rhizocarpeen und Lycopodiaceen) und der Samenbildung der Coniferen. Leipzig.
77. Klekowski, E. 1988. Genetic load and its causes in long-lived plants. Trees 55:195-203.
78. Klekowski, E. and P. Godfrey. 1989. Ageing and mutation in plants. Nature 340:389-391.
79. Korn, R. 2001. Analysis of shoot apical organization in six species of the Cupressaceae based on chimeric behavior. American Journal of Botany 88:1945-1952.
80. Korol, A., I. Preygel, et al. 1994. Recombination Variability and Evolution. Chapman & Hall, London.
81. Kozlowski, T. 1971. Growth and development of trees. Vol. 1. Seed Germination, Ontogeny and Shoot Growth. Academic, New York.
82. Lanner, R. and K. Connor. 2001. "Does bristlecone pine senesce?" Experimental Gerontology 36:675-685.
83. Mable, B. and S. Otto. 1998. The evolution of life cycles with haploid and diploid phases. BioEssays 20:453-462.
84. Matziris, D. 2002. Short note: Hemaphroditism in black pine. Silvae Genetica 51:130-131.
85. Mitton, J. 1992. The dynamic mating system of conifers. New Forests 6:197-216.
86. Munne-Bosch, S. 2008. Do perennials really senesce? Trends in Plant Science 13:216-220.
87. Pharis, R., J. Webber, et al. 1987. The promotion of flowering in forest trees by gibberellin A4/A7 and cultural treatments: a review of possible mechanisms. Forest Ecology and Management 19:65-84.
88. Pichot, C., M. El-Maataoi, et al. 2001. Surrogate mother for endangered Cupressus. Nature 412:39.
89. Richards, A. 1997. Plant Breeding Systems. Chapman & Hall, London.
90. Sacher, J. 1954. Structure and seasonal activity of the shoot apices of Pinus lambertiana and Pinus ponderosa. American Journal of Botany 41:749-759.
91. Sax, K. 1962. Aspects of aging in plants. Annual Review of Plant Physiology 13:489-506.
92. Singh, H. 1978. Embryology of Gymnosperms. Gebruder Borntraeger, Berlin.
93. Skinner, D. 1992. Ovule and embryo development, seed production and germination in orchard grown control pollinated loblolly pine (Pinus taeda L.) from coastal South Carolina. Master's thesis, Department of Biology, University of Victoria, Victoria, BC, 88 pp.
94. Strasburger, E. 1894. The periodic reduction of the number of chromosomes in the life history of living organisms. Annals of Botany 8:281-316.
95. Wareing, P. 1959. Problems of juvenility and flowering in trees. Journal of the Linnaean Society London Botany 56:282-289.
96. Ahuja, M. and D. Neale. 2002. Origins of polyploidy in coast redwood (Sequoia sempervirens (D. Don.) Endl.) and relationship of coast redwood to other genera of Taxodiaceae. Silvae Genetica 51:93-100.
97. Baird, S., N. Barton, et al. 2003. The distribution of surviving blocks of an ancestral genome. Theoretical Population Biology 64:451-471.
98. Bickeböller, H. and E. Thompson. 1996. The probability distribution of the amount of an individual's genome surviving to the next generation. Genetics 143:1043-1049.
99. Brandham, P. and M.-J. Doherty. 1998. Genome size variation in the Aloaceae, an angiosperm family displaying karyotypic orthoselection. Annals of Botany 82:67-73.
100. Cai, X. and S. Xu. 2007. Meiosis-driven genome variation in plants. Current Genomics 8:151-161.
101. Carlson, J., L. Tulsieram, et al. 1991. Segregation of random amplified DNA markers in F1 progeny of conifers. Theoretical and Applied Genetics 83:194-200.
102. Chamberlain, C. 1899. Oogenesis in Pinus Laricio. Botanical Gazette 27:268-281.
103. Davies, B., I. O'Brien, et al. 1997. Karyotypes, chromosome bands and genome size variation in New Zealand endemic gymnosperms. Plant Systematics and Evolution 208:169-185.
104. Dial, S. and R. Stalter. 1980. The karyotype of Pinus glabra. Journal of Heredity 71:297.
105. Donnelly, K. 1983. The probability that related individuals share some section of the genome identical by descent. Theoretical Population Biology 23:34-64.
106. Doudrick, R., J. Heslop-Harrison, et al. 1995. Karyotype of slash pine (Pinus elliottii var. elliottii) using patterns of fluorescence in situ hybridization and flurochrome banding. Journal of Heredity 86:289-296.
107. El-Kassaby, Y., A. Colangeli, et al. 1983. Numerical analysis of karyotypes in the Pseudotsuga genus. Canadian Journal Botany 61:536-544.
108. Ferguson, M. 1904. Contributions to the life history of Pinus with special reference to sporogenesis, the development of gametophytes and fertilization. Proc. Wash. Acad. Sci. 6:1-202.
109. Fisher, R. 1949. The Theory of Inbreeding. Academic, New York.
110. Fisher, R. 1953. A fuller theory of 'junctions' in inbreeding. Heredity 8:187-198.
111. Gaut, B. and J. Doebley. 1997. DNA sequence evidence for the segmental allotetraploid origin of maize. Proceedings of the National Academy of Sciences USA 94:6809-6814.
112. Groover, A., C. Williams, et al. 1995. Sex-related differences in meiotic recombination frequency in Pinus taeda L. Journal of Heredity 86:157-158.
113. Grotkopp, E., M. Rejmánek, et al. 2004. Evolution of genome size in pines (Pinus spp.) and its life-history correlates: supertree analyses. Evolution 58:1705-1729.
114. Guo, S. 1994. Computation of identity by descent proportions shared by two siblings. American Journal of Human Genetics 54:1104-1109.
115. Guo, S. 1995. Proportion of genome shared identical by descent by relatives: concept, computation, and application. American Journal of Human Genetics 56:1468-1476.
116. Gwaze, D., Y. Zhou, et al. 2003. Haplotypic QTL mapping in an outbred pedigree. Genetical Research 81:43-50.
117. Hair, J. and E. Beuzenberg. 1958. Chromosomal evolution in the Podocarpaceae. Nature 181:1584-1586.
118. Haldane, J. 1919. The combination of linkage values and the calculation of distances between the loci of linked factors. Journal of Genetics 8:299-309.
119. Haley, C., S. Knott, et al. 1994. Mapping quantitative trait loci in crosses between outbred lines using least squares. Genetics 136:1195-1207.
120. Hall, S. E., W. Dvorak, et al. 2000. Flow cytometric analysis of DNA content for tropical and temperate New World pines. Annals of Botany 86:1081-1086.
121. Hanson, L. 2001. Chromosome number, karyotype and DNA C-value of the Wollemi pine (Wollemia nobilis, Araucariaceae). Botanical Journal of the Linnaean Society 135:271-274.
122. Hizume, M., T. Kondo, et al. 2001. Flow cytometric determination of genome size in the Taxodiaceae, Cupressaceae sensu stricto and Sciadopityaceae. Cytologia 66:307-311.
123. Jones, N. and A. Houben. 2003. B chromosomes in plants: escapees from the A chromosome genome. Trends in Plant Science 8:417-423.
124. Joyner, K., X.-R. Wang, et al. 2001. DNA content for Asian pines parallels New World relatives. Can. J. Bot. 79:192-191.
125. Kedharnath, S. and L. Upadhaya. 1967. Chiasma frequency in Pinus roxburghii Sarg. and P. elliottii Englem. Silvae Genetica 16:112-113.
126. Khoshoo, T. 1959. Polyploidy in gymnosperms. Evolution 13:24-29.
127. Komulainen, P., G. Brown, et al. 2003. Comparing EST-based genetic maps between Pinus sylvestris and Pinus taeda. Theoretical and Applied Genetics 107:667-678.
128. Korol, A., I. Preygel, et al. 1994. Recombination Variability and Evolution. Chapman & Hall, London.
129. Kostia, S., S.-L. Varvio, et al. 1995. Microsatellite sequences in a conifer, Pinus sylvestris. Genome 38:1244-1248.
130. Lagercrantz, U. 1998. Comparative mapping between Arabidopsis thaliana and Brassica nigra indicates that Brassica genomes have evolved through extensive genome replication accompanied by chromosome fusions and frequent rearrangements. Genetics 150:1217-1228.
131. Lee, C. 1954. Sex chromosomes in Gingko biloba. American Journal of Botany 41:545-549.
132. Leitch, I., L. Hanson, et al. 2001. Nuclear DNA C-values complete familial representation in gymnosperms. Annals of Botany 88:843-849.
133. Levin, D. and A. Wilson 1976. Rates of evolution in seed plants: net increase in diversity of chromosome numbers and species numbers through time. Proceedings of the National Academy of Sciences USA 73:2086-2090.
134. Liu, Z.-L., D. Zhang, et al. 2003. Chromosomal localization of 5S and 18S-5.8S-25S ribosomal DNA sites in five Asian pines using fluorescence in situ hybridization. Theoretical and Applied Genetics 106:198-204.
135. MacPherson, P. and W. Filion. 1981. Karyotype analyis and the distribution of constitutive heterochromatin in five species of Pinus. Journal of Heredity 72:193-198.
136. Maliepaard, C., J. Jansen, et al. 1997. Linkage analysis in a full-sib family of an outbreeding plant species: overview and consequences for applications. Genetical Research 70:237-250.
137. Mather, K. and J. Jinks. 1971. Biometrical Genetics. Cornell University Press, Ithaca, NY.
138. Mergen, F., G. Stairs, et al. 1963. Microsporogenesis in Pinus echinata and Pinus taeda. Silvae Genetics 12:127-129.
139. Miki, S. and S. Hikita 1951. Probable chromosome number of fossil Sequoia and Metasequoia found in Japan. Science 113:3-4.
140. Moir, R. and D. Fox. 1977. Supernumerary chromosome distribution in provenances of Picea sitchensis (Bong.) Carr. Silvae Genetica 26:26-33.
141. Moran, G., J. Bell, et al. 1983. Greater meiotic recombination in male vs. female gametes in Pinus radiata. Journal of Heredity 74:62.
142. Murray, B. 1998. Nuclear DNA amounts in gymnosperms. Annals of Botany 82(Suppl A):3-15.
143. Narayan, R. 1988. Constraints upon the organization and evolution of chromosomes in Allium. Theor. Appl. Genet. 75:319-329.
144. Ohri, D. and T. Khoshoo. 1986. Genome size in gymnosperms. Plant Systematics and Evolution 153:119-132.
145. Parida, A., S. Raina, et al. 1990. Quantitative DNA variation between and within chromosome complements of Vigna species (Fabaceae). Genetica 82:125-133.
146. Paterson, A. 1996. Genome Mapping in Plants. Academic, San Diego, CA.
147. Pederick, L. 1967. The structures and identification of chromosomes of Pinus radiata D. Don Silvae Genetica 16:69-77.
148. Pederick, L. 1970. Chromosome relationships between Pinus species. Silvae Genetica 19:171-180.
149. Pettit, J. 1970. Heterospory and the origin of the seed habit. Biological Reviews 45:401-415.
150. Plomion, C. and D. O'Malley. 1996. Recombination rate differences for pollen parents and seed parents in Pinus pinaster. Heredity 77:341-350.
151. Prager, E., D. Fowler, et al. 1976. Rates of evolution in conifers (Pinaceae). Evolution 30:637-649.
152. Raina, S. and H. Rees. 1983. DNA variation between and within chromosome complements of Vicia species. Heredity 51:335-346.
153. Reinisch, A., J. Dong, et al. 1994. A detailed RFLP Map of Cotton, Gossypium hirsutum X G. barbadense - Chromosome organization and evolution in a disomic polyploid genome. Genetics 138:829-847.
154. Reyés-Valdes, M. 2000. A model for marker-based selection in gene introgression breeding programs. Crop Science 40:91-98.
155. Reyés-Valdes, M. and C. Williams. 2002. A haplotypic approach to founder-origin probabilities and outbred QTL analysis. Genetical Research 80:231-236.
156. Rudolph, E. 1982. Women in the nineteenth century American botany: a generalized unrecognized constituency. American Journal of Botany 69:1346-1355.
157. Sax, H. 1932. Chromosome pairing in Larix species. Journal of the Arnold Arboretum 13:368-373.
158. Sax, K. 1960. Meiosis in interspecific pine hybrids. Forest Science 6:135-138.
159. Sax, K. and H. Sax. 1933. Chromosome number and morphology in the conifers. Journal of the Arnold Arboretum 65:356-374.
160. Saylor, L. 1961. A karyotypic analysis of selected species of Pinus. Silvae Genetica 10:77-84.
161. Saylor, L. and B. Smith. 1966. Meiotic irregularity in species and interspecific hybrids of Pinus. American Journal of Botany 53:453-468.
162. Shepherd, M. and C. Williams. 2008. Comparative mapping among subsection Australes (genus Pinus, family Pinaceae). Genome 51:320-331.
163. Singh, H. 1978. Embryology of Gymnosperms. Gebruder Borntraeger, Berlin.
164. Skinner, D. 1992. Ovule and embryo development, seed production and germination in orchard grown control pollinated loblolly pine (Pinus taeda L.) from coastal South Carolina. Master's Thesis, Department of Biology. Victoria, BC, University of Victoria: 88.
165. Stebbins, G. 1948. The chromosomes and relationships of Metasequoia and Sequoia. Science 108:95-98.
166. Stefanov, V. 2000. Distribution of genome shared identical by descent by two individuals in the grandparent-type relationship. Genetics 156:1403-1410.
167. Sybenga, J. 1975. Meiotic Configurations. Springer, Berlin.
168. Tanksley, S., M. Ganal, et al. 1992. High density molecular linkage maps of the tomato and potato genomes. Genetics 132:1141-1160.
169. Wakamiya, I., R. Newton, et al. 1993. Genome size and environmental factors in the genus Pinus. American Journal of Botany 80:1235-1241.
170. Wendel, J. 1989. New World tetraploid cottons contain Old World cytoplasm. Proceedings of the National Academy of Sciences USA 86:4132-4136.
171. Whitkus, R., J. Doebley, et al. 1992. Comparative genome mapping of sorghum and maize. Genetics 132:1119-1130.
172. Williams, C. 1998. QTL mapping in outbred plants. pp. 81-94, Chapter 5. Editor: A. Paterson. In: Molecular Dissection of Complex Traits. CRC Series, Boca Raton, FL.
173. Williams, C., K. Joyner, et al. 2002. Genomic consequences of interspecific Pinus spp. hybridisation. Biol. J. Linn. Soc. 75:503-508.
174. Williams, C. and M. Reyés-Valdes. 2007. Estimating a founder's genomic proportion for each descendant in an outbred pedigree. Genome 50:289-296
175. Zhou, Y., D. Gwaze, et al. 2003. No clustering for linkage map based on low-copy and undermethylated microsatellites. Genome 46:809-816.
176. Bramlett, D. and C. O'Gwynn. 1980. Recognizing developmental stages in southern pine flowers: the key to controlled pollinations, USDA Forest Service Southeastern Experiment Station, 14 pages.
177. Brenner, E. and D. Stevenson. 2006. Using genomics to study evolutionary origins of seeds. Editor: C. G. Williams. In: Landscapes, Genomics and Transgenic Conifers. Springer, Dordrecht, The Netherlands.
178. Brown, R. 1844. On the plurality and development of the embryos in the seeds of Coniferae. Annual Magazine of Natural History 13:368-374.
179. Buchholz, J. 1939. The embrogeny of Sequoia sempervirens. American Journal of Botany 26:248-257.
180. El-Maataoui, M., C. Pichot, et al. 1998. Cytological basis for a tetraspory in Cupressus sempervirens L. megagametogenesis and its implications in genetic studies. Theoretical Applied Genetics. 96:776-779.
181. Emig, W. 1935. The megagametophyte of Pinus. I. Introduction. American Journal of Botany 22:500-503.
182. Engels, F. and M. Gianordoli. 1983. The basic anatomy of Metasequoia female gametophytes. Acta Botanica Neerlandica 32:295-305.
183. Ferguson, M. 1904. Contributions to the life history of Pinus with special reference to sporogenesis, the development of gametophytes and fertilization. Proceedings of the Washington Academy of Sciences 6:1-202.
184. Greenwood, M. 1980. Reproductive development in loblolly pine. I. The early development of male and female strobili in relation to the long shoot growth behavior. American Journal of Botany 67:1414-1422.
185. Haig, D. 1992. Brood reduction in gymnosperms. Editors: M. Elgar and B. Crespi. In: Cannibalism: Ecology and Evolution Among Diverse Taxa. Oxford University Press, Oxford, pp. 62-84.
186. Harrison, D. and M. Slee. 1992. Long shoot terminal bud development and the differentiation of pollen- and seed-cone buds in Pinus caribaea var. hondurensis. Canadian Journal of Forest Research 22:1565-1668.
187. Hart, J. 1987. A cladistic analysis of conifers: preliminary results. Journal of Arnold Arboretum 68:269-307.
188. Haupt, A. 1941. Oogenesis and fertilization in Pinus lambertiana and P. monophylla. Botanical Gazette 102:482-498.
189. Konar, R. and A. Moitra. 1980. Ultrastructure, cyto- and histochemistry of female gametophyte of gymnosperms. Gamete Research 3:67-97.
190. Konar, R. and Y. Oberoi. 1969. Recent work on reproductive structures of living conifers and taxads - a review. Botanical Review 35:89-116.
191. Lawson, A. 1904. The gametophytes, archegonia, fertilization and the embryo of Sequoia sempervirens. Annals of Botany 18:1-28.
192. Lawson, A. 1907. The gametophytes and embryo of the Cupressineae with special reference to Libocedrus decurrens. Annals of Botany 21:281-301.
193. Lill, B. 1976. Ovule and seed development in Pinus radiata, postmeiotic development, fertilization and embryogeny. Canadian Journal of Botany 54:2141-2154.
194. Matten, L., T. Fine, et al. 1984. The megagametophyte of Hydrasperma tenuis long from the uppermost Devonian of Ireland. American Journal of Botany 71:1461-1464.
195. O'Malley, D. and J. Kelly. 1988. Genetic analysis of a megagametophyte color polymorphism in Gingko biloba. Journal of Heredity 79:51-53.
196. O'Malley, D., R. Guries, et al. 1988. Electrophoretic evidence for mosaic 'diploids' in megagametophytes of knobcone pine (Pinus attentuata Lemm.). Silvae Genetica 37:85-88.
197. Owens, J. and M. Molder. 1977. Seed-cone differentiation and sexual reproduction in western white pine (Pinus monticola). Canadian Journal of Botany 55:2574-2590.
198. Owens, J. and M. Molder. 1979. Sexual reproduction of Larix occidentalis. Canadian Journal of Botany 57:152-169.
199. Owens, J. and M. Molder. 1980. Sexual reproduction in western red cedar (Thuja plicata). Canadian Journal of Botany 58:1376-1393.
200. Owens, J., S. Simpson, et al. 1982. Sexual reproduction of Pinus contorta. II. Postdormancy ovule, embryo and seed development. Canadian Journal of Botany 60:2071-2083.
201. Pichot, C. and M. El-Maataoui. 1997. Flow cytometric evidence for multiple ploidy levels in the endosperm of some gymnosperm species. Theoretical and Applied Genetics 94:865-870.
202. Porcher E and Lande R. 2005. Reproductive compensation in the evolution of plant mating systems. New Phytologist 166:673-684.
203. Runions, C. and J. Owens. 1999. Pollination of Picea orientalis (Pinaceae): saccus morphology governs pollen buoyancy. American Journal of Botany 86:190-197.
204. Sarvas, R. 1962. Investigations on the flowering and seed crop of Pinus silvestris. Communicationes Instituti Forestalis Fennica 53:1-198.
205. Singh, H. 1978. Embryology of Gymnosperms. Gebruder Borntraeger, Berlin.
206. Singh, H. and Y. Oberoi. 1962. A contribution to the life history of Biota orientalis Endl. Phytomorphology 12:373-393.
207. Singh, H. and J. Owens. 1982. Sexual reproduction in Abies grandis. Canadian Journal of Botany 60:2197-2214.
208. Skinner, D. 1992. Ovule and embryo development, seed production and germination in orchard grown control pollinated loblolly pine (Pinus taeda L.) from coastal South Carolina. Department of Biology. University of Victoria, Victoria, BC, 88 pp.
209. Stanlake, E. and J. Owens. 1974. Female gametophyte and embryo development in western hemlock (Tsuga heterophylla). Canadian Journal of Botany 52:885-893.
210. Thomas, R. 1951. Reproduction in Pinus virginiana Miller. Vanderbilt University, Nashville TN, 80 p.
211. Tomlinson, P. 1994. Functional morphology of saccate pollen in conifers with special reference to the Podocarpaceae. International Journal of Plant Sciences 155:699-715.
212. Williams, C. 2008. Selfed embryo death in Pinus taeda: a phenotypic profile. New Phytologist 178:210-222.
213. Willson, M. and N. Burley. 1983. Mate Choice in Plants. Princeton University Press, Princeton, NJ.
214. Aylor, D. 2002. Settling speed of corn (Zea mays) pollen. Journal of Aerosol Sciences 33:1601-1607.
215. Baker, J. and O. Langdon. 1990. Pinus taeda L. Loblolly Pine. In: Silvics of North America, Volume 1, Conifers,. Agriculture Handbook 654. Forest Service. United States Department of Agriculture. Washington, DC. pp. 497-512.
216. Bessey, C. 1883. Remarkable fall of pine pollen. American Naturalist 17:658.
217. Blush, T. 1986. Seasonal and diurnal patterns of pollen flight in a loblolly pine seed orchard. pp. 150-159. In: Proceedings IUFRO Conference, Williamsburg VA, October 13-17.
218. Bohne, G., E. Richter, et al. 2003. Diffusion barriers of tripartite sporopollenin microcapsules prepared from pine pollen. Annals of Botany 92:289-297.
219. Bohne, G., H. Woehlecke, et al. 2005. Water relations of the pine exine. Annals of Botany 96:201-208.
220. Boyer, W. 1978. Heat accumulation: An easy way to anticipate the flowering of southern pines. Journal of Forestry 76:20-23.
221. Bramlett, D. and F. Bridgwater. 1989. Pollen development classification system for loblolly pine. In Proc 20th Southern Forest Tree Improvement Conference Charleston SC. pp. 116-121.
222. Bramlett, D. and F. Matthews. 1991. Storing loblolly pine pollen. Southern Journal of Applied Forestry 15:153-157.
223. Cain, S. 1940. The identification of species in fossil pollen of Pinus by size-frequency determinations. American Journal of Botany 27:301-308.
224. Chesnoy, L. 1987. La reproduction sexuée des Gymnospermes. Bulletin of the Botanical Society of France 134:51-56.
225. Chichiricco, G. and E. Pacini. 2008. Cupressus arizonica pollen wall zonation and in vitro hydration. Pl. Syst. Evol. 270:231-242.
226. Clark, J., S. Fastie, et al. 1998. Reid's paradox of rapid plant migration - Dispersal theory and interpretation of paleoecological records. Bioscience 48:13-24.
227. Colwell, R. 1951. The use of radioactive isotopes in determining spore distribution patterns. American Journal of Botany 38:511-523.
228. Dickinson, H. and P. Bell. 1976. Development of the tapetum in Pinus banksiana preceding sporogenesis. Annals of Botany 40:103-113.
229. Di-Giovanni, F. and P. Kevan. 1991. Factors affecting pollen dynamics and its importance to pollen contamination: a review. Canadian Journal Forest Research 21:1155-1170.
230. Di-Giovanni, F., P. Kevan, et al. 1996. Lower planetary boundary layer profiles of atmospheric conifer pollen above a seed orchard in northern Ontario, Canada. Forest Ecology and Management 83:87-97.
231. Doyle, J. and M. O'Leary. 1935. Pollination in Pinus. Proceedings of the Royal Dublin Society 21:181-190.
232. Engel, M., A. Chaboud, et al. 2003. Sperm cells of Zea mays may have a complex complement of mRNAs. Plant Journal 34:697-707.
233. Eisenhut, G. 1961. Untersuchungen uber die Morphologie und Okologie der Pollenkorner heimischer und fremdlandischer Waldbaume. Forstwiss. Forsch. 15:1-68.
234. Erdtman, G. 1937. Pollen grains recovered from the atmosphere over the Atlantic. Medd. Göteborgs Bot. Trädg 12:185-196.
235. Fernando, D., J. Owens, et al. 2001. RNA and protein synthesis during in vitro pollen germination and tube elongation in Pinus monticola and other conifers. Sexual Plant Reproduction 13:259-264.
236. Fernando, D., M. Lazarro, et al. 2005. Growth and development of conifer pollen tubes. Sexual Plant Reproduction 18:149-162.
237. Frankis, R. 1990. RNA and protein synthesis in germinating pine pollen. Journal of Experimental Botany 41:1469-1473.
238. Friedman, W. 1993. The evolutionary history of the seed plant male gametophyte. Trends in Ecology and Evolution 8:15-20.
239. Gifford, E. and A. Foster 1989. Morphology and evolution of vascular plants. New York, W. H. Freeman Company.
240. Greenwood, M. 1986. Gene exchange in loblolly pine: the relation between pollination mechanism, female receptivity and pollen availability. American Journal of Botany 73:1443-1451.
241. Hart, J. 1987. A cladistic analysis of conifers: preliminary results. Journal of the Arnold Arboretum 68:269-307.
242. Harrison, D. and M. Slee. 1992. Long shoot terminal bud development and the differentiation of pollen- and seed-cone buds in Pinus caribaea var. hondurensis. Canadian Journal of Forestry Research 22:1565-1668.
243. Hengeveld, R. 1989. Dynamics of Biological Invasions. Chapman and Hall, London.
244. Hesselman, H. 1919. Iakttagelser över skogstradspollens spridningförmåga. Medd Skogsöfrsöksanst 16:27-60.
245. Horn, H. 2005. Eddies at the gates. Nature 436:179.
246. Jackson, S. and M. Lyford. 1999. Pollen dispersal models in Quaternary plant ecology: assumptions, parameters and prescriptions. Botanical Review 65:39-75.
247. Jett, J., D. Bramlett, et al. 1993. Pollen collection, storage and testing. Editor: D. L. Bramlett. In: Advances in Pollen Management, Agricutlural Handbook 698. Government Printing Office, Washington DC. 101 p.
248. Katul, G., A. Poporato, et al. 2006. Mechanistic analytical models for long-distance seed dispersal by wind. American Naturalist 166:368-381.
249. Katul, G., C. Williams, et al. 2006. Dispersal of transgenic conifer pollen. Editor: C. G. Williams. In: Landscapes, Genomics and Transgenic Conifers. Springer, Dordrecht, The Netherlands. pp. 121-143.
250. Koski, V. 1970. A study of pollen dispersal as a mechanism of gene flow in conifers. Comm. Inst. For. Fenn. 70:1-78.
251. Kuparinen, A. 2006. Mechanistic models for wind-dispersal. Trends in Plant Sciences 6:296-301.
252. 2. Functional Ecology 20:541-547.
253. Lanner, R. 1966. Needed: a new approach to the study of pollen dispersion. Silvae Genetica 15:50-52.
254. Lian, C., M. Miwa, et al. 2001. Outcrossing and paternity analysis of Pinus densiflora (Japanese red pine) by microsatellite polymorphism. Heredity 87:88-98.
255. Lindgren, D., L. Paule, et al. 1975. Can viable pollen carry Scots pine genes over long distances? Grana 34:64-69.
256. McDonald, J. 1962. Collection and washout of airborne pollen and spores of raindrops. Science 135:435-437.
257. Nathan, R., G. Katul, et al. 2002. Mechanisms of long-distance dispersal of seeds by wind. Nature 418:409-413.
258. Nichols, R. and G. Hewitt. 1994. The genetic consequences of long-distance dispersal during colonization. Heredity 72:312-317.
259. Niklas, K. 1984. The motion of windborne pollen grains around conifer ovulate cones - implications on wind pollination. American Journal of Botany 71:356-374.
260. Owens, J. and M. Molder. 1984. The reproductive cycle of lodgepole pine. Victoria, BC, Information Services Branch, British Columbia Ministry of Forests.
261. Parker, S. and T. Blush. 1996. Quantifying pollen production of loblolly pine (Pinus taeda L.) seed orchard clones. Westvaco Forest Research Report. 163 p.
262. Pettit, J. 1985. Pollen tube development and characteristics of the protein emission in conifers. Annals Botany 56:379-397.
263. Pulkkinen, P., and A. Rantio-Lahtimaki. 1995. Viability and seasonal distribution patterns of Scots pine pollen in Finland. Tree Physiology 15:515-518.
264. Reichman, J., L. Watrud, et al. 2006. Establishment of transgenic herbicide-resistant creeping bentgrass (Agrostis stolonifera L.) in nonagronomic habitats. Molecular Ecology 15:4243-4255.
265. Robledo-Arnuncio, J. J. and L. Gil. 2005. Patterns of pollen dispersal in a small population of Pinus sylvestris L. revealed by total-exclusion paternity analysis. Heredity 94:13-22.
266. Rousseau, D.-D., P. Schevin, et al. 2006. New evidence of long distance pollen transport to southern Greenland in late spring. Review of Palaeobotany & Palynology 141:272-286.
267. Rowley, J., J. Skvarla, et al. 2000. Microsporogenesis in Pinus sylvestris L. VIII. Tapetal and late pollen grain development. Plant Syst. Evol. 225:201-244.
268. Rudall, P. and R. Bateman. 2007. Developmental bases for key innovations in the seed-plant microgametophyte. Trends in Plant Science 12:317-326.
269. Runions, C. and J. Owens. 1999. Pollination of Picea orientalis (Pinaceae): saccus morphology governs pollen buoyancy. American Journal of Botany 86:190-197.
270. Schwendemann, A., G. Wang, et al. 2007. Aerodynamics of saccate pollen and its implications for wind pollination. American Journal of Botany 94:1371-1381.
271. Singh, H. 1978. Embryology of gymnosperms. Berlin, Gebruder Borntraeger.
272. Smouse, P., R. Dyer, et al. 2001. Two-generation analysis of pollen flow across a landscape. I. Male gamete heterogeneity among females. Evolution 55:260-271.
273. Strand, L. 1957. Pollen dispersal. Silvae Genetica 6:129-136.
274. Tomlinson, P. 1994. Functional morphology of saccate pollen in conifers with special reference to the Podocarpaceae. International Journal of Plant Sciences 155:699-715.
275. Tyldesley, J. 1973. Long-range transmission of tree pollen to Shetland. I. sampling and trajectories. New Phytologist 72:175-181.
276. Wang, C.-W., T. Perry, et al. 1960. Pollen dispersion of slash pine (Pinus elliottii Englem.) with special reference to seed orchard management. Silvae Genetica 9:78-86.
277. Williams, C. 2008. Aerobiology of Pinus taeda pollen clouds. Canadian Journal of Forest Research 38:2177-2188.
278. Young, L. and R. Stanley 1963. Incorporation of tritated nucleosides thymidine, uridine and cystidine in nuclei of germinating pine pollen. Nucleus 6:83-90.
279. Baird, A. M. 1953. A life history of Callitris. Phytomorphology 3:258-284.
280. Bramlett, D. and C. O'Gwynn. 1980. Recognizing developmental stages in southern pine flowers: the key to controlled pollinations, USDA Forest Service Southeastern Experiment Station, 14 pages.
281. Brown, S. and F. Bridgwater. 1987. Observations on pollination in loblolly pine. Canadian Journal of Forest Research 17:299-303.
282. Breiteneder, H. 2004. Thaumatin-like proteins - a new family of pollen and fruit allergens. Allergy 59:479-481.
283. Canini, A., J. Giovinazzi, et al. 2004. Localisation of a carbohydrate epitope recognised by human IgE in pollen of Cupressaceae. Journal of Plant Research 117:147-153.
284. Cortegano, I., E. Civantos, et al. 2004. Cloning and expression of a major allergen from Cupressus arizonica pollen, Cup a 3, a PR-5 protein expressed under polluted environment. Allergy 59:485-490.
285. Dumont-Be Boux, N., W. Weber, et al. 1998. Intergeneric pollen-megagametophyte relationships of conifers in vitro. Theor. Appl. Genet. 97:881-887.
286. Doak, C. 1932. Multiple male cells in Cupressus arizonica. Botanical Gazette 94:168-182.
287. Doyle, J. and M. O'Leary. 1935. Pollination in Pinus. Sci. Proc. Roy. Dublin Soc. 21:181-190.
288. Fernando, D., J. Owens, et al. 2001. RNA and protein synthesis during in vitro pollen germination and tube elongation in Pinus monticola and other conifers. Sexual Plant Reproduction 13:259-264.
289. Friedman, W. 1992. Double fertilization in nonflowering plants and its relevance to the origin of flowering plants. International Review of Cytology 140:319-355.
290. Gelbart, G. and P. Von Aderkas. 2002. Ovular secretions as part of pollination mechanisms in conifers. Annals of Forest Science 59:345-357.
291. Gifford, E. and A. Foster. 1989. Morphology and Evolution of Vascular Plants. W. H. Freeman, New York.
292. Goddard, R. and F. Matthews. 1981. Pollen testing. Editor: E. C. Franklin. In: Pollen Management Handbook. Agricultural Handbook 587, Washington, DC, pp. 40-43.
293. Greenwood, M. 1986. Gene exchange in loblolly pine: the relation between pollination mechanisms, female receptivity and pollen viability. American Journal of Botany 73:1433-1451.
294. Justus, C., P. Anderhag, et al. 2004. Microtubules and microfilaments coordinate to direct a fountain streaming pattern in elongating conifer pollen tube tips. Planta 219:103-109.
295. Konar, R. and A. Moitra. 1980. Ultrastructure, cyto- and histochemistry of female gametophyte of gymnosperms. Gamete Research 3:67-97.
296. Konar, R. and Y. Oberoi. 1969. Recent work on reproductive structures of living conifers and taxads - a review. Botanical Review 35:89-116.
297. Labandeira, C., J. Kvacek et al. 2007. Pollination drops, pollen and insect pollination of Mesozoic gymnosperms. Taxon: 56:663-695.
298. Lazarro, M. 1996. The actin microfilament network within the elongating pollen tubes of the gymnosperm Picea abies (Norway spruce). Protoplasma 194:186-194.
299. Lazarro, M. 1998. The spermatagenous body cell of the conifer body cell of the conifer Picea abies (Norway spruce) contains actin microfilaments. Protoplasma 201:194-201.
300. Lee, C. 1955. Fertilization in Gingko biloba. Botanical Gazette 117:79-100.
301. McWilliam, J. 1958. The role of micropyle in the pollination of Pinus. Botanical Gazette 120:109-117.
302. Midoro-Horiuti, T., R. Goldblum, et al. 1999. Molecular cloning of the mountain cedar (Juniperus ashei) pollen major allergen, Jun. a 1. Journal of Allergy and Clinical Immunology 104:613-617.
303. Midoro-Horiuti, T., R. Goldblum, et al. 2001. Identification of mutations in the genes for the pollen allergens of eastern red cedar (Juniperus virginiana). Clinical and Experimental Allergy 31:771-778.
304. Mugnaini, S., M. Nepi, et al. 2007. Pollination drop in Juniperus communis: response to deposited material. Annals of Botany 100:1475-1481.
305. O'Leary, S. and P. Von Aderkas. 2006. Postpollination drop production in hybrid larch is not related to the diurnal pattern of xylem water potential. Tree 20:61-66.
306. Ottley, A. 1909. The development of the gametophytes and fertilization in Juniperus communis and Juniperus virginiana. Botanical Gazette 48:31-46.
307. Owens, J. and S. Morris. 1990. Cytological basis for cytoplasmic inheritance in Pseudotsuga menziesii. I. Pollen tube and archegonial development. American Journal of Botany 77:433-445.
308. Owens, J., T. Takaso, et al. 1998. Pollination mechanisms in conifers. Trends in Plant Science 3:479-485.
309. Pattison, J., J. Burley, et al. 1969. Development of the ovule strobilus in Pinus kesiya Royle ex Gordon (syn. P. khasya Royle) in relation to controlled pollination in Zambia. Silvae Genetica 18:108-111.
310. Pettit, J. 1985. Pollen tube development and characteristics of the protein emission in conifers. Annals of Botany 56:379-397.
311. Poort, R., H. Visscher, et al. 1996. Zoidogamy in fossil gymnosperms: the centenary of a concept, with special reference to prepollen of late Paleozoic conifers. Proceedings National Academy of Sciences USA 93:11713-11717.
312. Runions, C. and J. Owens. 1999. Sexual reproduction of interior spruce (Pinaceae). I. Pollen germination to archegonial maturation. Intl. J. Plant Sci. 160:631-640.
313. Singh, H. 1978. Embryology of gymnosperms. Berlin, Gebruder Borntraeger.
314. Suarez-Cervera, M., Y. Takahashi, et al. 2003. Immunocytochemical localization of Cry j 1, the major allergen of Cryptomeria japonica (Taxodiaceae) in Cupressus arizonica and Cupressus sempervirens (Cupressaceae) pollen grains. Sexual Plant Reproduction 16:9-15.
315. Takaso, T. and J. Owens. 1996. Effects of ovular secretions on pollen in Pseudotsuga menziesii (Pinaceae). American Journal of Botany 81:504-513.
316. Takaso, T., P. Von Aderkas, et al. 1995. Prefertilization events in ovules of Pseudotsuga: ovular secretion and its influence on pollen tubes. Canadian Journal of Botany 74:1214-1219.
317. Terasaka, O. and T. Niitsu. 1994. Differential roles of microtubules and actin-myosin cytoskeleton in the growth of Pinus pollen tubes. Sexual Plant Reproduction 7:264-272.
318. Tomlinson, P. 1994. Functional morphology of saccate pollen in conifers with special reference to the Podocarpaceae. International Journal of Plant Sciences 155:699-715.
319. Tomlinson, P., J. Braggins, et al. 1997. Contrasted pollen capture mechanisms in Phyllocladaceae and certain Podocarpaceae (Coniferales). American Journal of Botany 84:214-223.
320. Von Aderkas, P. and C. Leary. 1999. Micropylar exudates in Douglas fir - timing and volume of production. Sexual Plant Reproduction 11:354-356.
321. Wagner, R., S. Mugnaini et al. 2007. Proteomic evaluation of gymnosperm pollination drop proteins indicates highly conserved and complex biological functions. Sexual Plant Reproduction 20:181-189.
322. Williams C. 2008. Selfed embryo death in Pinus taeda: a phenotypic profile. New Phytologist 178:210-222.
323. Willson, M. and N. Burley. 1983. Mate choice in plants. Princeton NJ, Princeton University Press.
324. Wilhelmi, L. and D. Preuss. 1999. The mating game: pollination and fertilization in flowering plants. Current Opinions in Plant Biology 2:18-22.
325. Baker, J. and O. Langdon. 1990. Pinus taeda L, Loblolly Pine. In: Silvics of North America, Vol. 1. Conifers. Agriculture Handbook 654. Forest Service, United States Department of Agriculture, Washington, DC, pp. 497-512.
326. Buchholz, J. 1918. Suspensor and early embryo of Pinus. Botanical Gazette 66:185-228.
327. Burdon, R. and J. Zabkiewicz. 1973. Identical and non-identical seedling twins in Pinus radiata. Canadian Journal of Botany 51:2001-2004.
328. Cain, M. and M. Shelton. 2001. Twenty years of natural loblolly and shortleaf pine seed production on the Crossett Experimental Forest in southeastern Arkansas. Southern Journal of Applied Forestry 25:40-45.
329. Cairney, J., N. Xu, et al. 2000. Transcript profiling: a tool to assess the development of conifer embryos. In Vitro Cell Dev Biol 36:155-162.
330. Ciavatta, V., U. Egertsdotter, et al. 2002. A promoter from the loblolly pine PtNIP1 gene directs expression in an early embryogenesis and suspensor-specific fashion. Planta 215:694-698.
331. Coulter, J. and W. Land 1905. Gametophytes and embryo of Torreya taxifolia. Botanical Gazette 39:161-178.
332. Doak, C. 1932. Multiple male cells in Cupressus arizonica. Botanical Gazette 94:168-182.
333. Dogra, P. 1967. Seed sterility and disturbances in embryogeny in conifers with particular reference to seed testing and tree breeding in Pinaceae. Studia Forestalia Suecica 45:1-97.
334. Doyle, J. 1963. Proembryogeny in Pinus in relation to that in other conifers - survey. Scientific Proceedings of the Royal Dublin Society Section B 62:181-216.
335. Filonova, L., S. Von Arnold, et al. 2002. Programmed cell death eliminates all but one embryo in a polyembryonic plant seed. Cell Death and Differentiation 9:1057-1062.
336. Gifford, E. and A. Foster. 1989. Morphology and Evolution of Vascular Plants. W. H. Freeman, New York.
337. Grob, J., W. Carlson, et al. 1999. Dimensional model of zygotic Douglas-fir embryo development. International Journal of Plant Sciences 160:653-662.
338. Guo, F.-L., S.-Y. Hu, et al. 1999. Cytological mechanism of cytoplasmic inheritance in Pinus tabulaeformis: II. Transmission of male and female organelles during fertilization and proembryo development. Acta Botanica Sinica 42:341-352.
339. Haig, D. 1992. Brood reduction in gymnosperms. Editors: M. Elgar and B. Crespi. In: Cannibalism: Ecology and Evolution Among Diverse Taxa. Oxford University Press, Oxford, pp. 63-84.
340. He, X. and A. Kermode. 2003. Nuclease activities and DNA fragmentation during programmed cell death of megagametophyte cells of white spruce (Picea glauca) seeds. Plant Molecular Biology 51:509-521.
341. Hengeveld, R. 1989. Dynamics of Biological Invasions. Chapman & Hall, London, 160 p.
342. Higgins, S. and D. Richardson. 1997. Pine invasions in the Southern Hemisphere: modeling interactions between organism, environment and disturbance. Plant Ecology 135:79-93.
343. Hiratsuka, R., Y. Yamada, et al. 2002. Programmed cell death of Pinus nucellus in response to pollen tube penetration. Journal of Plant Research 115:141-148.
344. Kaur, D. and S. Bhatnagar. 1984. Fertilization and formation of neocytoplasm in Agathis robusta. Phytomorphology 34:56-60.
345. Konar, R. and Y. Oberoi. 1969. Studies on the morphology and embryology of Podocarpus gracilior Pilger. Beiträge zur Biologie der Pflanzen 45:329-376.
346. Krakowski, J., S. Aitken, et al. 2003. Inbreeding and conservation in whitebark pine. Conservation Genetics 4:581-593.
347. Lam, E. 2004. Controlled cell death, plant survival and development. Nature Reviews Molecular Cell Biology 5:305-315.
348. Lanner, R. 1982. Adaptations of whitebark pine for seed dispersal by Clark's Nutcracker. Canadian Journal of Forest Research 12:391-402.
349. Looby, W. and J. Doyle. 1942. Fertilization and proembryo formation in Sequoia. Proceedings of the Royal Dublin Society 21:457-476.
350. McWilliam, J. and F. Mergen. 1958. Cytology of fertilization in Pinus. Botanical Gazette 119:246-249.
351. Mogensen, H. 1996. The hows and whys of cytoplasmic inheritance in seed plants. American Journal of Botany 83:383-404.
352. Nathan, R., G. Katul, et al. 2002. Mechanisms of long-distance dispersal of seeds by wind. Nature 418:409-413.
353. Neale, D., K. Marshall, et al. 1991. Inheritance of chloroplast and mitochrondrial DNA in incense cedar (Calocedrus decurrens Torr.). Canadian Journal of Forest Research 21:717-720.
354. Neale, D. and R. Sederoff. 1989. Paternal inheritance of chloroplast DNA and maternal inheritance of mitochondrial DNA in loblolly pine. Theoretical and Applied Genetics 77:212-216.
355. Ohba, K., M. Iwakawa, et al. 1971. Paternal transmission of a plastid anomaly in some reciprocal crosses of sugi, Cryptomeria japonica D. Don. Silvae Genetica 20:101-107.
356. Orr-Ewing, A. 1957. A cytological study of the effects of self-pollination on Pseudotsuga menziesii (Mirb.) Franco. Silvae Genetica 6:179-185.
357. Owens, J. and S. Morris. 1990. Cytological basis for cytoplasmic inheritance in Pseudotsuga menziesii. I. Pollen tube and archegonial development. American Journal of Botany 77:433-445.
358. Pennell, R. and P. Bell. 1988. Insemination of the archegonium and fertilization in Taxus baccata L. Journal of Cell Science 89:551-559.
359. Porcher, E., and R. Lande. 2005. Reproductive compensation in the evolution of plant mating systems. New Phytologist 166:673-684.
360. Rhode, D. and D. Madsen. 1998. Pine nut use in the Early Holocene and beyond: the Danger Cave archaebotanical record. Journal of Archaeological Science 25:1199-1210.
361. Richardson, D. and S. Higgins. 1998. Pines as invaders in the Southern Hemisphere. Editor: D. Richardson. In: Ecology and Biogeography of Pinus. Cambridge University Press, Cambridge, pp. 450-473.
362. Richardson, D., P. Williams, et al. 1994. Pine invasions in the Southern Hemisphere: determinants of spread and invadibility. Journal of Biogeography 21:511-527.
363. Roy Chowdhury, C. 1962. The embryology of conifers - a review. Phytomorphology 12:313-338.
364. Runions, C. and J. Owens. 1999. Sexual reproduction of interior spruce (Pinaceae). I. Pollen germination to archegonial maturation. International Journal of Plant Sciences 160:631-640.
365. Singh, H. 1978. Embryology of Gymnosperms. Gebrüder Borntraeger, Berlin, 302 p.
366. Singh, H. and Y. Oberoi. 1962. A contribution to the life history of Biota orientalis Endl. Phytomorphology 12:373-393.
367. Skinner, D. 1992. Ovule and embryo development, seed production and germination in orchard grown control pollinated loblolly pine (Pinus taeda L.) from coastal South Carolina. Department of Biology, Victoria, BC, University of Victoria, 88 pp.
368. Spurr, A. 1949. Histogenesis and organization of the embryo in Pinus strobus L. American Journal of Botany 36:629-641.
369. Tapias, R., L. Gil, et al. 2001. Canopy seed banks in Mediterranean pines of south-eastern Spain: a comparison between Pinus halepensis Mill., P. pinaster Ait., P. nigra Arn. and P. pinea L. Journal of Ecology 89:629-638.
370. Tomback, D. 1982. Dispersal of whitebark pine seeds by Clark's Nutcracker: a mutualism hypothesis. Journal of Animal Ecology 51:451-467.
371. Tomback, D. 1978. Dispersal of whitebark pine seeds by Clark's nutcracker: a mutualism hypothesis. Journal of Animal Ecology 51:451-467.
372. Tomback, D. and Y. Linhart 1990. The evolution of bird-dispersed pines. Evolutionary Ecology 4:185-219.
373. Vendramin, G., B. Fady, et al. 2008. Genetically depauperate but widespread: the case of an emblematic Mediterranean pine. Evolution 62:680-688.
374. Von Arnold, S., I. Sabala, et al. 2002. Developmental pathways of somatic embryogenesis. Plant Cell, Tissue and Organ Culture 69:233-249.
375. Wagner, D., J. Dong, et al. 1991. Paternal leakage of mitochondrial DNA in Pinus. Theoretical and Applied Genetics 82:510-514.
376. Williams, C., S. La Deau, et al. 2006. Modeling seed dispersal distances: implications for transgenic Pinus taeda. Ecological Applications 16:117-124.
377. Williams, C. 2007. Re-thinking the embryo lethal system within the Pinaceae. Canadian Journal of Botany 85:667-677.
378. Williams, C. 2008. Selfed embryo death in Pinus taeda: a phenotypic profile. New Phytologist 178:210-222.
379. Williams, C. 2006. The question of commercializing transgenic conifers. pp. 31-43. Chapter 2. Editor: C. G. Williams. In: Landscapes, Genomics and Transgenic Conifers. Springer, Dordrecht, The Netherlands, 270 p.
380. Zach, B. 2002. Vegetable offerings on the Roman sacrificial site in Mainz Germany - short report on the first results. Vegetation History and Archaebotany 11:101-106.
381. Boyle, T. and E. Morgenstern. 1986. Estimates of outcrossing rates in six populations of black spruce in central New Brunswick. Silvae Genetica 35:102-106.
382. Brown, A. 1990. Genetic characterization of plant mating systems. Editor: B. Weir. In: Plant Populations, Genetics, Breeding and Genetic Resources. Sinauer Associates, Sunderland MA, pp. 145-162.
383. Cresswell, J., K. Henning, et al. 2007. Conifer ovulate cones accumulate pollen principally by impaction. Proceedings of the National Academy of Sciences USA 104:18141-18144.
384. Dyer, R. and V. Sork. 2001. Pollen pool heterogeneity in shortleaf pine, Pinus echinata Mill. Molecular Ecology 10:859-866.
385. Edwards-Burke, M., J. Hamrick, et al. 1997. Frequency and direction of hybridization in sympatric populations of Pinus taeda and P. echinata (Pinaceae). American Journal of Botany 84:879-886.
386. Erickson, V. and W. Adams. 1989. Mating success in a coastal Douglas-fir seed orchard as affected by distance and floral phenology. Canadian Journal of Forest Research 19:1248-1255.
387. Friedman, S. and W. Adams. 1985. Levels of outcrossing in two loblolly pine seed orchards. Silvae Genetica 34:157-162.
388. Ge, S., D. Hong, et al. 1998. Population genetic structure and conservation of an endangered conifer, Cathaya argyrophylla (Pinaceae). International Journal of Plant Sciences 159:351-357.
389. Grant, V. 1981. Plant Speciation. Columbia Press, New York.
390. Greenwood, M. 1980. Reproductive development in loblolly pine. I. The early development of male and female strobili in relation to the long shoot growth behavior. American Journal of Botany 67:1414-1422.
391. Greenwood, M. 1986. Gene exchange in loblolly pine: the relation between pollination mechanisms, female receptivity and pollen viability. American Journal of Botany 73:1433-1451.
392. Hagman, M. 1975. Incompatibility in forest trees. Proceedings of the Royal Society of London B 188:313-326.
393. Hosoo, Y., E. Yoshii, et al. 2005. A histological comparison of the development of pollen and female gametophytes in fertile and sterile Cryptomeria japonica. Sexual Plant Reproduction 18:81-89.
394. Innes, D. and G. Ringius. 1990. Mating system and genetic structure of two populations of white spruce (Picea glauca) in eastern Newfoundland. Canadian Journal Botany 68:1661-1666.
395. Knowles, P., G. Furnier, et al. 1987. Significant levels of self-fertilization in natural populations of tamarack. Canadian Journal of Botany 65:1087-1091.
396. Koski, V. 1971. Embryonic lethals of Picea abies and Pinus sylvestris. Communicationes Instituti Forestalia Fennica 75:1-30.
397. Krakowski, J., S. Aitken, et al. 2003. Inbreeding and conservation in whitebark pine. Conservation Genetics 4:581-593.
398. Krutovskii, K., D. Politov, et al. 1995. Isozyme study of population genetic structure, mating system and phylogenetic relationships of the five stone pine species (subsection Cembrae, section Strobi, subgenus Strobus). Editors: P. Baradat, W. T. Adams, G. Muller-Starck. In: Population Genetics and Conservation of Forest Trees. Springer, The Netherlands, pp. 270-304.
399. Kuittinen, H. and O. Savolainen. 1992. Picea omorika is a self-fertile but outcrossing conifer. Heredity 68:183-187.
400. Ledig, F., V. Jacob-Cervantes, et al. 1997. Recent evolution and divergence among populations of a rare Mexican endemic, Chihuahua spruce, following Holocene climatic warming. Evolution 51:1815-1827.
401. Liu, Z.-L., D. Zhang, et al. 2003. Chromosomal localization of 5S and 18S-5.8S-25S ribosomal DNA sites in five Asian pines using fluorescence in situ hybridization. Theoretical and Applied Genetics 106:198-204.
402. Ma, X.-F., A. Szmidt, et al. 2006. Genetic structure and evolutionary history of a diploid hybrid pine Pinus densata inferred from the nucleotide variation at seven gene loci. Molecular Biology and Evolution 23:807-816.
403. Mason, H. 1949. Evidence of the genetic submergence of Pinus remorata. Editor: G. Simpson. In: Genetics, Speciation and Paleontology. Princeton University Press, Princeton, NJ, 474 p.
404. Matos, J. and B. Schaal. 2000. Chloroplast evolution in the Pinus montezumae complex: a coalescent approach to hybridization. Evolution 54:1218-1233.
405. McWilliam, J. 1959. Interspecific incompatibility in Pinus. American Journal of Botany 46:425-433.
406. Mitton, J. 1992. The dynamic mating system of conifers. New Forests 6:197-216.
407. Mitton, J., Y. Linhart, et al. 1977. Observations on the genetic structure and mating system of ponderosa pine in the Colorado Front Range. Theoretical Applied Genetics 7:5-13.
408. Mitton, J., Y. Linhart, et al. 1981. Estimation of outcrossing in ponderosa pine, Pinus ponderosa Laws., from patterns of segregation of protein polymorphisms and from frequencies of albino seedlings. Silvae Genetica 30:117-121.
409. Mitton, J. and C. Williams. 2006. Gene flow in conifers. pp. 147-168. Chapter 9. Editor: C. G. Williams. In: Landscapes, Genomics and Transgenic Conifers. Springer, Dordrecht, The Netherlands, 270 p.
410. Moran, G., J. Bell, et al. 1980. The genetic structure and levels of inbreeding in a Pinus radiata seed orchard. Silvae Genetica 29:190-193.
411. Morgante, M., G. Vendramin, et al. 1991. Effects of stand density on outcrossing rate in Norway spruce (Picea abies) populations. Canadian Journal Botany 69:2704-2708.
412. Muona, O. and A. Harju. 1989. Effective population sizes, genetic variability and mating system in a natural stands and seed orchards of Pinus sylvestris. Silvae Genetica 38:221-228.
413. Niklas, K. 1982. Simulated and empiric wind pollination patterns of conifer cones. Proceedings National Academy of Sciences U. S. A. 79:510-514.
414. Niklas, K. 1984. The motion of windborne pollen grains around conifer ovulate cones: implications on wind pollination. American Journal of Botany 71:356-374.
415. Niklas, K. 1985. Wind pollination - a study in chaos. American Scientist 73:462-470.
416. O'Connell, L. 2003. The evolution of inbreeding in western red cedar (Thuja plicata: Cupressaceae). Department of Forest Sciences, Faculty of Forestry. University of British Columbia, Vancouver, BC, 162 p.
417. Perry, D. and P. Knowles. 1990. Evidence of high self-fertilization in natural populations of eastern white cedar (Thuja occidentalis). Canadian Journal of Botany 68:663-668.
418. Pichot, C., M. El-Maataoi, et al. 2001. Surrogate mother for endangered Cupressus. Nature 412:39.
419. Price, R., A. Liston, et al. 1998. Phylogeny and systematics of Pinus. Editor: D. Richardson. In: Ecology and Biogeography of Pinus. Cambridge University Press, Cambridge UK, pp. 49-68
420. Richards, A. 1997. Plant Breeding Systems. Chapman & Hall, London.
421. Righter, F. and J. Duffield. 1951. A summary of interspecific crosses in the genus Pinus made at the Institute of Forest Genetics. Journal of Heredity 42:75-80.
422. Sax, H. 1932. Chromosome pairing in Larix species. Journal of the Arnold Arboretum 13:368-373.
423. Sax, K. 1960. Meiosis in interspecific pine hybrids. Forest Science 6:135-138.
424. Sarvas, R. 1962. Investigations on the flowering and seed crop of Pinus silvestris. Communicationes Instituti Forestalis Fennica 53:1-198.
425. Saylor, L. and B. Smith. 1966. Meiotic irregularity in species and interspecific hybrids of Pinus. American Journal of Botany 53:453-468.
426. Schoeder, S. 1989. Outcrossing rates and seed characteristics in damaged natural populations of Abies alba. Silvae Genetica 38:185-189.
427. Schuster, W. and J. Mitton. 2000. Paternity and gene dispersal in limber pine (Pinus flexilis James). Heredity 84:348-361.
428. Shepherd, M. and C. Williams. 2008. Comparative mapping among subsection Australes (genus Pinus, family Pinaceae). Genome 51:320-331.
429. Siegismund, H. and E. Kjaer. 1997. Outcrossing rates in two stands of noble fir (Abies procera Rehd.) in Denmark. Silvae Genetica 46:144-146.
430. Stauffer, A. and W. Adams. 1993. Allozyme variation and mating system of three Douglas-fir stands in Switzerland. Silvae Genetica 42:254-258.
431. Stone, E. and J. Duffield. 1950. Hybrids of sugar pine by embryo culture. Journal of Forestry 48:200-201.
432. Takaso, T., P. Von Aderkas, et al. 1996. Prefertilization events in ovules of Pseudotsuga: ovular secretion and its influence on pollen tubes. Canadian Journal of Botany 74:1214-1219.
433. Von Aderkas, P., G. Rouault, et al. 2005a. Multinucleate storage cells in Douglas-fir (Pseudotsuga menziesii (Mirbel) Franco) and the effect of seed parasitism by the chalcid Megastigmus spermotrophus Wachtl. Heredity 94:616-622.
434. Von Aderkas, P., G. Rouault, et al. 2005b. Seed parasitism redirects ovule development in Douglas fir. Proceeding of the Royal Society B 272:1491-1496.
435. Wang, X.-R., A. Szmidt, et al. 2001. Genetic composition and diploid speciation of a high mountain pine, Pinus densata, native to the Tibetan plateau. Genetics 159:337-346.
436. Williams, C. 2006. The question of commercializing transgenic conifers. pp. 31-43. Editor: C. G. Williams. In: Landscapes, Genomics and Transgenic Conifers. Springer, Dordrecht, The Netherlands, 270 p.
437. Williams, C. 2008. Selfed embryo death in Pinus taeda: a phenotypic profile. New Phytologist 178:210-222.
438. Williams, C., K. Joyner, et al. 2002. Genomic consequences of interspecific Pinus spp. hybridisation. Biological Journal of the Linnean Socirty 75:503-508.
439. Williams, C., S. La Deau, et al. 2006. Modeling seed dispersal distances: implications for transgenic Pinus taeda. Ecological Applications 16:117-124.
440. Wilson, V. and J. Owens. 2003. Histology of sterile male and female cones in Pinus monticola (western white pine). Sexual Plant Reproduction 15:301-310.
441. Zobel, B. 1951. The natural hybrid between Coulter and Jeffrey pines. Evolution 5:405-413.
442. Bernasconi G., T. Ashman et al. 2004. Evolutionary ecology of the prezygotic stage. Science 303:971-975.
443. Bishir, J. and G. Namkoong. 1987. Unsound seed in conifers: estimation of numbers of lethal alleles and of magnitudes of effects associated with the maternal parent. Silvae Genetica 36:180-185.
444. Bramlett, D. and F. Bridgwater. 1986. Segregation of recessive embryonic lethal alleles in a F1 population of Virginia pine. IUFRO Conference on Breeding Theory, Williamburg VA.
445. Bramlett, D. and T. Popham. 1971. Model relating unsound seed and embryonic lethals in self-pollinated pines. Silvae Genetica 20:192-193.
446. Buchholz J. 1918. Suspensor and early embryo of Pinus. Botantical Gazette 66:185-228.
447. Buchholz, J. 1920. Embryo development and polyembryony in relation to the phylogeny of conifers. American Journal of Botany 7:125-145.
448. Buchholz, J. 1922. Developmental selection in vascular plants. Bot. Gaz. 73:249-286.
449. Cavalli-Sforza, L. and W. Bodmer. 1971. The genetics of human populations. San Francisco, Freeman.
450. Crow, J. 1991. Why is Mendelian segregation so exact? Bioessays 13:305-312.
451. Dogra, P. 1967. Seed sterility and disturbances in embryogeny in conifers with particular reference to seed testing and tree breeding in Pinaceae. Studia Forestalia Suecica 45:1-97.
452. Filonova L. H., Von Arnold S. et al. 2002. Programmed cell death eliminates all but one embryo in a polyembryonic plant seed. Cell Death and Differentiation 9:1057-1062.
453. Fowler, D. 1965a. Natural self-fertilization in three jack pines and its implications in seed orchard management. For. Sci. 11:55-58.
454. Fowler, D. 1965b. Effects of inbreeding in red pine, Pinus resinosa Ait. Silv. Genet. 12:12-23.
455. Franklin, E. 1969. Inbreeding depression in metrical traits of loblolly pine (Pinus taeda L.) as a result of self-pollination. Ph. D. Dissertation, Raleigh NC., School of Forest Resources, North Carolina State University.
456. Franklin, E. 1972. Genetic load in loblolly pine. Amer. Nat. 106:262-265.
457. Fu, Y-B and K. Ritland. 1994a. Evidence for the partial dominance of viability of viability genes contributing to inbreeding depression in Mimulus guttatus. Genet. 136:323-331.
458. Fu, Y-B and K. Ritland 1994b. On estimating the linkage of marker genes to viability genes controlling inbreeding depression. Theor. Appl. Genet. 88:925-932.
459. Fu, Y. B., D. Charlesworth et al. 1997. Point estimation and graphical inference of marginal dominance for two viability loci controlling inbreeding depression. Genet. Res. 70:143-153.
460. Gifford, E. and A. Foster. 1989. Morphology and evolution of vascular plants. W. H. Freeman Company, New York.
461. Griffin, R. and D. Lindgren. 1985. Effect of inbreeding on production of filled seed in Pinus radiata - experimental results and a model of gene action. Theor. Appl. Genet. 71:334-343.
462. Hagman, M. and L. Mikkola. 1963. Observations on cross-, self- and interspecific pollinations in Pinus peuce Griseb. Silv. Genet. 12:73-79.
463. Haig D. 1992. Brood reduction in gymnosperms. In Cannibalism: Ecology and Evolution among Diverse Taxa. Edited by M. Elgar and B. Crespi. pp. 63-84. Oxford University Press.
464. Hauser, T. and V. Loeschcke. 1994. Inbreeding depression and mating distance dependent offspring fitness in large and small populations of Lynchis floscuculi (Caryophyllaceae). J. Evol. Biol. 7:609-622.
465. Hedrick, P. and O. Muona. 1990. Linkage of viability genes to marker loci in selfing organisms. Hered. 64:67-72.
466. Husband, B. and D. Schemske. 1996. Evolution and timing of inbreeding depression in plants. Evol. 50:54-70.
467. Kärkkäinen, K., H. Kuittinen et al. 1999. Genetic basis of inbreeding depression in Arabis petraea. Evol. 53:1354-1365.
468. Kang, H., C. Hardner et al. 1994. Lethal loci and lethal equivalents in willow, Salix viminalis. Silv. Genet. 43:138-145.
469. Kormutak, A. and D. Lindgren. 1996. Mating system and empty seed in silver fir (Abies alba Mill.). For. Genet. 3:231-235.
470. Koski, V. 1971. Embryonic lethals of Picea abies and Pinus sylvestris. Commun. Institute of Forestalia Fennica 75:1-30.
471. Koski, V. 1973. On self-pollination, genetic load and subsequent inbreeding in some conifers. Communicationes Instituti Forestalis Fenniae 78:1-42.
472. Krebs, S. and J. Hancock. 1991. Embryonic genetic load in the highbush blueberry, Vaccinium corymbosum (Ericaceae). Amer. J. Bot. 78:1427-1437.
473. Kuang, H., T. Richardson et al. 1999. Genetic analysis of inbreeding depression in plus tree 850.55 of Pinus radiata D. Don. II. Genetics of viability genes. Theor. Appl. Genet. 99:140-146.
474. Lande, R. and D. Schemske. 1985. The evolution of self-fertilization and inbreeding depression in plants. I. Genetic models. Evol. 39:24-40.
475. Lande, R., D. Schemske et al. 1994. High inbreeding depression, selective interference among loci, and the threshold selfing rate for purging recessive lethal mutations. Evol. 48:965-978.
476. Latta, R. and K. Ritland. 1994. The relationship between inbreeding depression and prior inbreeding among populations of four Mimulus taxa. Evol. 48:806-817.
477. Levin, D. 1991. The effect of inbreeding on seed survivorship in Phlox. Evol. 45:1047-1049.
478. Lewontin, R. 1974. The genetic basis of evolutionary change. N Y, Columbia University Press.
479. Libby, W., B. McCutchan et al. 1981. Inbreeding depression in selfs of redwood. Silv. Genet. 30:15-25.
480. Lindgren, D. 1975. The relationship between self-fertilization, empty seeds and seeds originating from selfing as a consequence of polyembryony. Studia Forestalia Suecica 126:1-24.
481. McCune, A., R. Fuller et al. 2002. A low genomic number of recessive lethals in natural populations of bluefin killifish and zebrafish. Science 296:2398-2401.
482. Mergen F., J. Burley et al. 1965. Embryo and seedling development in Picea glauca (Moench) Voss after self-, cross-, and wind-pollination. Silv. Genet. 14:188-194.
483. Miklos G. and G. Rubin. 1996. The role of genome project in determining gene function insights from model organisms. Cell 86:521-529.
484. Morton, N., J. Crow et al. 1956. An estimate of the mutational damage in man from data on consanguineous marriages. Proc. Natl Acad. USA 42:855-863.
485. Muller, H. 1950. Our load of mutations. Am. J. Hum. Genetics 2:111-176.
486. Namkoong, G. and J. Bishir. 1987. Frequency of lethal alleles in forest tree populations. Evol. 41:1123-1127.
487. O'Connell, L. and Ritland K. 2005. Post-pollination mechanisms promoting outcrossing in a selffertile conifer, Thuja plicata (Cupressaceae). Can. J. Bot. 83:335-342.
488. Orr-Ewing, A. 1957. A cytological study of the effects of self-pollination on Pseudotsuga menziesii (Mirb.) Franco. Silv. Genet. 6:179-185.
489. Ouborg, N. and R. Von Treuren. 1994. The significance of genetic erosion in the process of extinction. IV. Inbreeding load and heterosis in relation to population size in the mint Salvia pratensis. Evol. 48:996-1008.
490. Owens J., A. Colangeli et al. 1990. The effect of self-, cross- and no pollination in ovule, embryo, seed and cone development in westen red cedar (Thuja plicata). Can. J. For. Res. 20:66-75.
491. Park, Y. and D. Fowler. 1982. Effects of inbreeding and genetic variances in a natural population of tamarack (Larix laricina (Du Roi) K. Koch) in eastern Canada. Silv. Genet. 31:21-26.
492. Porcher E. and Lande R. 2005. Reproductive compensation in the evolution of plant mating systems. New Phytol. 166:673-684.
493. Ralls, K., J. Ballou et al. 1988. Estimates of lethal equivalents and the cost of inbreeding in mammals. Conserv. Biol. 2:185-193.
494. Remington D. and D. O'Malley. 2000a. Whole-genome characterization of embryonic stage inbreeding depression in a selfed loblolly pine family. Genet. 155:337-348.
495. Remington, D. and D. O'Malley 2000b. Evaluation of major genetic loci contributing to inbreeding depression for survival and early growth in a selfed family of Pinus taeda. Evol. 54:1580-1589.
496. Ritland K. 1996. Inferring the genetic basis of inbreeding depression in plants. Genome 39:1-8.
497. Sarvas, R. 1962. Investigations on the flowering and seed crop of Pinus silvestris. Institute Forestalis Fennica Comm. 53:1-198.
498. Savolainen, O., K. Kärkkäinen et al. 1992. Estimating numbers of embryonic lethals in conifers. Heredity 69:308-314.
499. Sittman, K., B. Abplanalp et al. 1966. Inbreeding depression in the Japanese quail. Genetics 54:371-379.
500. Skinner D. 1992. Ovule and embryo development, seed production and germination in orchard grown control pollinated loblolly pine (Pinus taeda L.) from coastal South Carolina. M. Sc. Thesis, University of Victoria, Victoria B. C. Canada.
501. Sorensen, F. 1967. Linkage between marker genes and embryonic lethal factors may cause disturbed segregation ratios. Silv. Genet. 16:132-134.
502. Sorensen, F. 1969. Embryonic genetic load in coastal Douglas fir, Pseudotsuga menziesii var. menziesii. Amer. Nat. 103:389-398.
503. Sorensen, F. 1971. Estimate of self-fertility of Douglas-fir from inbreeding studies. Silv. Genet. 20:115-120.
504. Sorensen, F. 1982. The roles of polyembryony and embryo viability in the genetic system of conifers. Evol. 36:725-733.
505. Vogl C. and S. Xu. 2000. Multiple-point mapping of viability and segregation distorting loci using molecular markers. Genetics 155:1439-1447.
506. Williams, C., R. Barnes et al. 1999. Embryonic lethal load for a neotropical conifer, Pinus patula Schiede and Deppe. J. Hered. 90:394-398.
507. Williams, C. and O. Savolainen. 1996. Inbreeding depression in conifers: implications for breeding strategy. For. Sci. 42:102-117.
508. Williams, C., Y. Zhou et al. 2001. A chromosomal region promoting outcrossing in a conifer. Genetics 159:1283-1289.
509. Williams, C., L. Auckland et al. 2003. Overdominant lethals as part of the conifer embryo lethal system. Heredity 91:584-592.
510. Williams, C. 2007. Re-thinking the embryo lethal system within the Pinaceae. Canadian Journal of Botany 85:667-677.
511. Williams C. 2008. Selfed embryo death in Pinus taeda: a phenotypic profile. New Phytologist 178:210-222.