Parasitic plants: Parallels and contrasts with herbivores

Oecologia

Volumn 131, Issue 4, 2002, Pages 479-489

  Pennings, Steven C ^a,c   Callaway, Ragan M ^b  

^a University of Georgia Marine Institute   (United States)

^b UNIVERSITY OF MONTANA   (United States)

^c University of Houston   (United States)

Author keywords

Parasite; Parasite host interactions; Parasitic plant; Plant community; Plant herbivore interactions

Indexed keywords

HERBIVORE; HOST PREFERENCE; HOST-PARASITE INTERACTION; PARASITIC PLANT; PLANT COMMUNITY; PLANT-HERBIVORE INTERACTION;

ANIMALIA;

EID: 0036943509     PISSN: 00298549     EISSN: None     Source Type: Journal    
DOI: 10.1007/s00442-002-0923-7     Document Type: Review

References (167)

1. Adler LS (2000) Alkaloid uptake increases fitness in a hemiparasitic plant via reduced herbivory and increased pollination. Am Nat 156:92-99
2. Adler LS, Wink M (2001) Transfer of alkaloids from hosts to hemiparasites in two Castilleja-Lupinus associations: Analysis of floral and vegetative tissues. Biochem Syst Ecol 29:551-561
3. Adler LS, Karban R, Strass SY (2001) Direct and indirect effects of alkaloids on plant fitness via herbivory and pollination. Ecology 82:2032-2044
4. Appel HM (1993) Phenolics in ecological interactions: The importance of oxidation. J Chem Ecol 19:1521-1552
5. Atsatt PR (1977) The insect herbivore as a predictive model in parasitic seed plant biology. Am Nat 111:579-612
6. Atsatt PR (1983) Host-parasite interactions in higher plants. In: Lange OL, Nobel PS, Osmond CB, Ziegler H (eds) Encyclopedia of Plant Physiology, vol 12C. Springer, Berlin Heidelberg New York, pp 519-535
7. Atsatt PR, Strong DR (1970) The population biology of annual grassland hemiparasites. I. The host environment. Evolution 24:278-291
8. Barlow BA, Wiens D (1977) Host-parasite resemblance in Australian mistletoes: The case for cryptic mimicry. Evolution 31:69-84
9. Behmer ST, Elias DO (2000) Sterol metabolic constraints as a factor contributing to the maintenance of diet mixing in grasshoppers (Orthoptera: Acrididae). Physiol Biochem Zool 73:219-230
10. Behmer ST, Grebenok RJ (1998) Impact of dietary sterols on life-history traits of a caterpillar. Physiol Entomol 23:165-175
11. Belsky AJ (1986) Does herbivory benefit plants? A review of the evidence. Am Nat 127:870-892
12. Belsky AJ, Carlson WP, Jensen CL, Fox GA (1993) Over-compensation by plants - herbivore optimization or red herring? Evol Ecol 7:109-121
13. Bennetts RE, White GC, Hawksworth FG, Severs SE (1996) The influence of dwarf mistletoe on bird communities in Colorado ponderosa pine forests. Ecol Appl 6:899-909
14. Bernays EA (1989) Host range in phytophagous insects: The potential role of generalist predators. Evol Ecol 3:299-311
15. Bernays E, Graham M (1988) On the evolution of host specificity in phytophagous arthropods. Ecology 69:886-892
16. Bernays, EA, Bright KL, Gonzalez N, Angel J (1994) Dietary mixing in a generalist herbivore: Tests of two hypotheses. Ecology 75:1997-2006
17. Boonsong C, Wright SE (1961) The cardiac glycosides present in mistletoes growing on Nerium oleander. Aust J Chem 14:449-457
18. Boros CA, Marshall DR, Caterino CR, Stermitz FR (1991) Iridoid and phenylpropanoid glycosides from Orthocarpus spp. Alkaloid content as a consequence of parasitism on Lupinus. J Nat Prod 54:506-513
19. Bringmann G, Schlauer J, Rückert M, Wiesen B, Ehrenfeld K, Proksch P, Czygan F-C (1999) Host-derived acetogenins involved in the incompatible parasitic relationship between Cuscuta reflexa (Convolvulaceae) and Ancistrocladus heyneanus (Ancistrocladaceae). Plant Biol 1:581-584
20. Brochot NE, Tinnin RO (1986) The effect of dwarf mistletoe on starch concentration in the twigs and needles of lodgepole pine. Can J For Res 16:658-660
21. Bryant JP (1981) Phytochemical deterrence of snowshoe hare browsing by adventitious shoots of four Alaskan trees. Science 213:889-890
22. Bryant JP, Chapin FS III, Klein DR (1983) Carbon/nutrient balance of boreal plants in relation to vertebrate herbivory. Oikos 40:357-368
23. Bryant JP, Wieland GD, Clausen T, Kuropat P (1985) Interactions of snowshoe hare and feltleaf willow in Alaska. Ecology 66:1564-1573
24. Bryant JP, Provenza FD, Pastor J, Reichardt PB, Clausen TP, du Toit JT (1991) Interactions between woody plants and browsing mammals mediated by secondary metabolites. Annu Rev Ecol Syst 22:431-446
25. Calder DM (1983) Mistletoes in focus: An introduction. In: Calder D, Bernhardt P (eds). The Biology of Mistletoes. Academic Press, Sydney, pp 1-18
26. Callaway RM, Pennings SC (1998) Impact of a parasitic plant on the zonation of two salt marsh perennials. Oecologia 114:100-105
27. Chiarello N, Hickman JC, Mooney HA (1982) Endomycorrhizal role in interspecific transfer of phosphorus in a community of annual plants. Science 217:941-943
28. Chuang T-I, Heckard LR (1971) Observations on root-parasitism in Cordylanthus (Scrophulariaceae). Am J Bot 58:218-228
29. Cook CE, Whichard LP, Wall ME, Egley GH, Coggon P, Luhan PA, McPhail AT (1972) Germination stimulants. II. The structure of strigol - A potent seed germination stimulant for witchweed (Striga lutea Lour.). J Am Chem Soc 94:6198-6199
30. Crawley MJ (1983) Herbivory: The Dynamics of Animal-plant Interactions. University of California Press, Berkeley
31. Crawley MJ (1987) Benevolent herbivores? Trends Ecol Evol 2:167-168
32. Davies DM, Graves JD (1998) Interactions between arbuscular mycorrhizal fungi and the hemiparasitic angiosperm Rhinanthus minor during co-infection of a host. New Phytol 139:555-563
33. De Bock F, Fer A (1992) Effects of abscisic acid on the transfer of sucrose from host, Pelargonium zonale (L.) Aiton, to a phanerogamic parasite Cuscuta reflexa Roxb. Aust J Plant Physiol 19:679-691
34. De Mazancourt C, Loreau M, Dieckmann U (2001) Can the evolution of plant defense lead to plant-herbivore mutualism? Am Nat 158:109-123
35. Drennan DSH, El-Hiweris SO (1979) Changes in growth substances in Sorghum vulgare infected by Striga hermonthica. In: Musselman LJ, Worsham AD, Eplee RE (eds) Proceedings, 2nd International Symposium on Parasitic Weeds, Raleigh. North Carolina State University, Raleigh, pp 144-145
36. Dyer MI (1980) Mammalian epidermal growth factor promotes plant growth. Proc Natl Acad Sci USA 77:4836-4837
37. Edwards WGH (1972) Orobanche and other plant parasite factors. In: Harborne JB (ed) Phytochemical Ecology. Academic Press, New York, pp 235-248
38. Ehleringer JR, Schultze E-D, Ziegler H, Lange OL, Farquhar GD, Cowan IR (1985) Xylem mistletoes: Water or nutrient parasites? Science 227:1479-1481
39. Ehleringer JR, Ullmann I, Lange OL, Farquhar GD, Cowan IR, Schulze E-D, Ziegler H (1986a) Mistletoes: A hypothesis concerning morphological and chemical avoidance of herbivory. Oecologia 70:234-237
40. Ehleringer JR, Cook CS, Tiezen LL (1986b) Comparative water use and nitrogen relationships in a mistletoe and its host. Oecologia 68:279-284
41. Francis R, Read DJ (1984) Direct transfer of carbon between plants connected by vesicular-arbuscular mycorrhizal mycelium. Nature 307:53-56
42. Gehring CA, Whitham TG (1991) Herbivore-driven mycorrhizal mutualism in insect-susceptible pinyon pine. Nature 353:556-557
43. Gehring CA, Whitham TG (1992) Reduced mycorrhizae on Juniperus monosperma with mistletoe: The influence of environmental stress and tree gender on a plant parasite and a plant-fungal mutualism. Oecologia 89:298-303
44. Gehring CA, Whitham TG (1994) Interactions between above-ground herbivores and the mycorrhizal mutualists of plants. Trends Ecol Evol 9:251-255
45. Gehring CA, Whitham TG (1995) Duration of herbivore removal and environmental stress affect the ectomycorrhizae of pinyon pines. Ecology 76:2118-2123
46. Gibson CC, Watkinson AR (1989) The host range and selectivity of a parasitic plant: Rhinanthus minor L. Oecologia 78:401-406
47. Gibson CC, Watkinson AR (1991) Host selectivity and the mediation of competition by the root hemiparasite Rhinanthus minor. Oecologia 86:81-87
48. Gibson CC, Watkinson AR (1992) The role of the hemiparasitic annual Rhinanthus minor in determining grassland community structure. Oecologia 89:62-68
49. Goldstein G, Rada F, Sternberg L, Burguera M, Orozco A, Montilla M, 7abala O, Azocar A, Canales MJ, Cells A (1989) Gas exchange and water balance of a mistletoe species and its mangrove hosts. Oecologia 78:176-183
50. Gómez JM (1994) Importance of direct and indirect effects in the interaction between a parasitic angiosperm (Cuscuta epithymum) and its host plant (Hormathophylla spinosa). Oikos 71:97-106
51. Govier RN, Harper JL (1965) Angiospermous hemiparasites. Nature 205:722-723
52. Govier RN, Nelson MD, Pate JS (1967) Hemiparasitic nutrition in angiosperms. I. The transfer of organic compounds from host to Odontites verna (Bell.) Dum. (Scrophulariaceae). New Phytol 66:285-297
53. Graves JD (1995) Host-plant responses to parasitism. In: Press MC, Graves JD (eds) Parasitic Plants. Chapman & Hall, London, pp 206-225
54. Graves JD, Wylde A, Press MC, Stewart GR (1990) Growth and carbon allocation in Pennisetum typoides infected with the parasitic angiosperm Striga hermonthica. Plant Cell Environ 13:367-373
55. Grime JP, Mackey JML, Hillier SH, Read DG (1987) Floristic diversity in a model system using experimental microcosms. Nature 328:420-422
56. Harborne JB (1993) Introduction to Ecological Biochemistry, 4th Edn. Academic Press, London
57. Harvey TL (1966) Aphids, dodder (Cruscuta campestris), and dodder-host plant interrelations. Ann Entomol Soc Am 59:1276-1282
58. Hay ME, Fenical W (1988) Marine plant-herbivore interactions: The ecology of chemical defense. Annu Rev Ecol Syst 19:111-145
59. Hay ME, Steinberg PD (1992) The chemical ecology of plant-herbivore interactions in marine versus terrestrial communities. In: Rosenthal GA, Berenbaum MR (eds) Herbivores: their Interactions with Secondary Plant Metabolites, 2E, Vol II. Evolutionary and Ecological Processes. Academic Press, New York, pp 371-413
60. Hull RJ, Leonard OA 1964 Physiological aspects of parasitism in mistletoes (Arceuthobium and Phoradendron). I. The carbohydrate nutrition of mistletoes. Plant Physiol 39:996-1007
61. Ihl B, Jabob F, Sembdner G (1984) Studies on Cuscuta reflexa Roxb. V. The level of endogenous hormones in the parasite, Cuscuta reflexa and its host, Vicia faba L. and a suggested role of in the transfer of nutrients from host to parasite. J Plant Growth Regul 2:77-90
62. Ihl B, Jabob F, Sembdner G (1987) Investigation on the endogenous levels of abscisic acid in a range of parasitic phanerogams. J Plant Growth Regul 5:191-205
63. Joern A, Behmer ST (1998) Impact of diet quality on demographic attributes in adult grasshoppers and the nitrogen limitation hypothesis. Ecol Entomol 23:174-184
64. Joshi J, Matthies D, Schmid B (2000) Root hemiparasites and plant diversity in experimental grassland communities. J Ecol 88:634-644
65. Kelly CK (1990) Plant foraging: a marginal value model and coiling response in Cuscuta subinclusa. Ecology 71:1916-1925
66. Kelly CK (1992) Resource choice in Cuscuta europaea. Proc Natl Acad Sci USA 89:12194-12197
67. Kelly CK, Horning K (1999) Acquisition order and resource value in Cuscuta attenuata. Proc Natl Acad Sci USA 96:13219-13222
68. Khana SK, Viswanathan PN, Tewari CP, Krishnan PS Sanwal GG (1968) Biochemical aspects of parasitism by the angiosperm parasites: Phenolics in parasites and hosts. Physiol Plant 21:949-959
69. Klaren CH, Janssen G (1978) Physiological changes in the hemiparasite Rhinanthus serotinus before and after attachment. Physiol Plant 42:151-155
70. Knutson DM (1979) How parasitic seed plants induce disease in other plants. In: Horsfall JG, Cowling EB (eds) Plant Disease, an Advanced Treatise. Academic Press, San Diego, pp 293-312
71. Koskela T, Salonen V, Mutikainen P (2000) Local adaptation of a holoparasitic plant, Cuscuta europaea: Variation among populations. J Evol Biol 13:749-755
72. Kuijt J (1969) The Biology of Parasitic Plants. University of California Press, Berkeley
73. Leake JR (1994) The biology of myco-heterotrophic ('saprophytic') plants. New Phytol 127:171-216
74. Leck MA, Simpson RL (1995) Ten-year seed bank and vegetation dynamics of a tidal freshwater marsh. Am J Bot 82:1547-1557
75. Livingston WH, Brenner ML, Blanchette RA (1984) Altered concentrations of abscisic acid, indole-3-acetic acid and zeatin riboside associated with eastern dwarf mistletoe infections on black spruce. In: Hawksworth FG, Scharpf RF (eds) Biology of Dwarf Mistletoes. Proceedings of the Symposium. Fort Collins, Colorado. Gen Tech Rep RM-111. USDA Forest Service, Fort Collins, Colorado, pp 53-61
76. Louda SM, Keeler KH, Holt RD (1990) Herbivore influences on plant performance and competitive interactions. In: Grace JB, Tilman D (eds) Perspectives on Plant Competition. Academic Press, San Diego, pp 413-444
77. Lynn DG, Steffens JC, Kamat VS, Graden DW, Shabanowitz J, Riopel JL (1981) Isolation and characterization of the first host recognition substance for parasitic angiosperms. J Am Chem Soc 103:1868-1870
78. Machinski J, TG Whitham (1989) The continuum of plant responses to herbivory: The influence of plant association, nutrient availability, and timing. Am Nat 134:1-19
79. Marler MJ, Zabinski CA, Callaway RM (1999) Mycorrhizae indirectly enhance competitive effects of an invasive forb on a native bunchgrass. Ecology 80:1180-1186
80. Marquis RJ (1992) Selective impact of herbivores. In: Fritz RS, Simms EL (eds) Plant resistance to herbivores and pathogens. Ecology, evolution, and genetics. University of Chicago Press, Chicago, pp 301-325
81. Marshall JD, Ehleringer JR (1990) Are xylem-tapping mistletoes partially heterotrophic? Oecologia 84:244-248
82. Marshall JD, Dawson TE, Ehleringer JR (1994) Integrated nitrogen, carbon, and water relations of a xylem-tapping mistletoe following nitrogen fertilization of the host. Oecologia 100:430-438
83. Marvier MA (1996) Parasitic plant-host interactions: Plant performance and indirect effects on parasite-feeding herbivores. Ecology 77:1398-1409
84. Marvier MA (1998a) A mixed diet improves performance and herbivore resistance of a parasitic plant. Ecology 79:1272-1280
85. Marvier MA (1998b) Parasite impacts on host communities: Plant parasitism in a California coastal prairie. Ecology 79:2616-2623
86. Matthies D (1995) Parasitic and competitive interactions between the hemiparasites Rhinanthus serotinus and Odontites rubra and their host Medicago sativa. J Ecol 83:245-251
87. Matthies D (1996) Interactions between the root hemiparasite Melampyrum arvense and mixtures of host plants: heterotrophic benefit and parasite-mediated competition. Oikos 75:118-124
88. Matthies D (1998) Influence of the host on growth and biomass allocation in the two facultative root hemiparasites Odontites vulgaris and Euphrasia minima. Flora 193:187-193
89. Matthies D, Egli P (1999) Response of a root hemiparasite to elevated CO2 depends on host type and soil nutrients. Oecologia 120:156-161
90. McCauley E, Murdoch WM, Watson S (1988) Simple models and variation in plankton densities among lakes. Am Nat 132:383-403
91. McNaughton SJ (1985a) Interactive regulation of grass yield and chemical properties by defoliation, a salivary chemical and inorganic nutrition. Oecologia 65:478-486
92. McNaughton SJ (1985b) Ecology of a grazing ecosystem: The Serengeti. Ecol Monogr 55:259-294
93. McNaughton SJ, Banyikwa FF, McNaughton MM (1997) Promotion of the cycling of diet-enhancing nutrients by African grazers. Science 278:1798-1800
94. Mead EW, Looker M, Gardner DR, Stermitz FR (1992) Pyrrolizidine alkaloids of Liatris punctata and its root parasite, Castilleja integra. Phytochemistry 31:3255-3257
95. Medel R (2000) Assessment of parasite-mediated selection in a host-parasite system in plants. Ecology 81:1554-1564
96. Miller JR, Tocher RD (1975) Photosynthesis and respiration of Arceuthobium tsugense (Loranthaceae). Am J Bot 62:765-769
97. Mizianty M (1975) Influence of Rhinanthus serotinus (Schönheit) Obomy on the productivity and floristic composition of the meadow plant association. Fragm Florist Geobot (Krakow) 21:491-505
98. Moora M, Zobel M (1996) Effect of arbuscular mycorrhiza on inter- and intraspecific competition of two grassland species. Oecologia 108:79-84
99. Musselman LJ, Press MC (1995) Introduction to parasitic plants. In: Press MC, Graves JD (eds) Parasitic Plants. Chapman and Hall, London, pp 1-13
100. Mutikainen P, Salonen V, Puustinen S, Koskela T (2000) Local adaptation, resistance, and virulence in a hemiparasitic plant-host plant relationship. Evolution 54:433-440
101. Norton DA, Carpenter MA (1998) Mistletoes as parasites: Host specificity and speciation. Trends Ecol Evol 13:101-119
102. Norton DA, De Lange PJ (1999) Host specificity in parasitic mistletoes (Loranthaceae) in New Zealand. Funct Ecol 13:552-559
103. Oksanen L, Fretwell SD, Arruda J, Niemelä P (1981) Exploitation ecosystems in gradients of primary productivity. Am Nat 118:240-261
104. Owen DF, Wiegert RG (1976) Do consumers maximize plant fitness? Oikos 27:488-492
105. 15N in the halophyte, Salicornia virginica, associated with groundwater subsidies of nitrogen in a southern California salt-marsh. Oecologia 104:181-188
106. Paige KN, Whitham TG (1987) Overcompensation in response to mammalian herbivory: The advantage of being eaten. Am Nat 129:407-416
107. Parker C, Riches CR (1993) Parasitic Weeds of the World: Biology and Control. CAB International, Wallingford, UK
108. Parker C, Musselman LJ, Polhill RM, Wilson AK (eds) (1984) Proceedings of the Third International Symposium on Parasitic Weeds, ICARDA/International Parasitic Seed Plant Research Group, 7-9 May 1984, Aleppo, Syria. ICARDA, Aleppo, Syria
109. Pennings SC, Callaway RM (1992) Salt marsh plant zonation: The relative importance of competition and physical factors. Ecology 73:681-690
110. Pennings SC, Callaway RM (1996) Impact of a parasitic plant on the structure and dynamics of salt marsh vegetation. Ecology 77:1410-1419
111. Pennings SC, Paul VJ (1992) Effect of plant toughness, calcification, and chemistry on herbivory by Dolabella auricularia. Ecology 73:1606-1619
112. Pennings SC, Nadeau MT, Paul VJ (1993) Selectivity and growth of the generalist herbivore Dolabella auricularia feeding upon complementary resources. Ecology 74:879-890
113. Pennings SC, Carefoot TH, Siska EL, Chase ME, Page TA (1998) Feeding preferences of a generalist salt-marsh crab: Relative importance of multiple plant traits. Ecology 79:1968-1979
114. Press MC (1989) Autotrophy and heterotrophy in root hemiparasites. Trends Ecol Evol 4:258-263
115. Press MC (1998) Dracula or robin hood? A functional role for root hemiparasites in nutrient poor ecosystems. Oikos 82:609-611
116. Press MC, Graves JD (1995) Parasitic Plants. Chapman and Hall, London
117. Press MC, Graves JD, Stewart GR (1988) Transpiration and carbon acquisition in root hemiparasitic angiosperms. J Exp Bot 39:1009-1014
118. Press MC, Graves JD, Stewart GR (1990) Physiology of the interaction of angiosperm parasites and their higher plant hosts. Plant Cell Environ 13:91-104
119. Price PW (1980) Evolutionary Biology of Parasites. Princeton University Press, Princeton, N.J. USA
120. Price PW (1983) Hypotheses on organization and evolution in herbivorous insect communities. In: Denno RF, McClure MS (eds) Variable Plants and Herbivores in Natural and Managed Systems. Academic Press, New York, pp 559-598
121. Price PW, Westoby M, Rice B, Atsatt PR, Fritz RS, Thompson JN, Mobley K (1986) Parasite mediation in ecological interactions. Annu Rev Ecol Syst 17:487-505
122. Puustinen S, Mutikainen P (2001) Host-parasite-herbivore interactions: Implications of host cyanogenesis. Ecology 82:2059-2071
123. Puustinen S, Salonen V (1999a) The effect of host defoliation on hemiparasitic-host interactions between Rhinanthus serotinus and two Poa species. Can J Bot 77:523-530
124. Puustinen S, Salonen V (1999b) Effects of intensity and duration of infection by a hemiparasitic plant, Rhinathus serotinus, on growth and reproduction of a perennial grass, Agrostis capillaris. Ecography 22:160-168
125. Puustinen S, Järvinen O, Tiilikkala K (2001) Asymmetric competition between a hemiparasitic plant and a cyst nematode on a shared host plant. Ecoscience 8:51-57
126. Rey L, Sadik A, Ferf A, Renaudin S (1991) Trophic relations of the dwarf mistletoe Arceuthobium oxycedri with its host Juniperus oxycedrus. J Plant Physiol 138:411-416
127. Riches CR, Parker C (1995) Parasitic plants as weeds. In: Press MC, Graves JD (eds) Parasitic Plants. Chapman & Hall, London, pp 226-255
128. Robinson D, Fitter A (1999) The magnitude and control of carbon transfer between plants linked by a common mycorrhizal network. J Exp Bot 50:9-13
129. Rowell-Rahier M, Pasteels JM (1992) Third trophic level influences of plant allelochemicals. In: Rosenthal GA, Berenbaum MR, Herbivores: Their Interactions with Secondary Plant Metabolites, 2E, Vol II. Ecological and Evolutionary Processes. Academic Press, San Diego.
130. Rozema J, Broekman R, Arp W, Letschert J, Van Esbroek M, Punte H (1986) A comparison of the mineral relations of a halophytic hemiparasite and holoparasite. Acta Bot Neerl 35:105-109
131. Ruess RW, Hik DS, Jefferies RL (1989) The role of lesser snow geese as nitrogen processors in a sub-arctic salt marsh. Oecologia 79:23-29
132. Sahm A, Pfanz H, Grünsfelder M, Czygan F-C, Proksch P (1995) Anatomy and phenylpropanoid metabolism in the incompatible interaction of Lycopersicon esculentum and Cuscuta reflexa. Bot Acta 108:358-364
133. Sala A, Carey EV, Callaway RM (2001) Dwarf mistletoe affects whole-tree water relations of Douglas-fir and western larch primarily through changes in leaf to sapwood ratios. Oecologia 126:42-52
134. Salonen V, Puustinen S (1996) Success of a root hemiparasitic plant is influenced by soil quality and by defoliation of its host. Ecology 77:1290-1293
135. Salonen V, Setälä H, Puustinen S (2000) The interplay between Pinus sylvestris, its root hemiparasite, Melampyrum pratense, and ectomycorrhizal fungi: Influences on plant growth and reproduction. Ecoscience 7:195-2000
136. Sanders IR, Koide RT, Shumway DL (1993) Mycorrhizal stimulation of plant parasitism. Can J Bot 71:1143-1146
137. Scharpf RF (1975) Dwarf mistletoe-insect relationships. In: Proceedings of the Joint Meeting, 26th Annual Western Forest Insect Work Conference and 22nd Annual Western International Forest Disease Work Conference (23-28 February, Monterey, California). U.S. Department of Agriculture Forest Service, Intermountain Forest and Range Experimental Station, Ogden, Utah, USA, pp 72-75
138. Schultze E-D, Ehleringer JR (1984) The effect of nitrogen supply on growth and water-use-efficiency of xylem-tapping mistletoes. Planta 162:268-275
139. Seel WE, Press MC (1993) Influence of the host on three sub-Arctic annual facultative root hemiparasites. I. Growth, mineral accumulation and above-ground dry-matter partitioning. New Phytol 125:131-138
140. Seel WE, Press MC (1994) Influence of the host on three sub-Arctic annual facultative root hemiparasites. II. Gas exchange characteristics and resource use-efficiency. New Phytol 127:37-44
141. Seel WE, Press MC (1996) Effects of repeated parasitism by Rhinanthus minor on the growth and photosynthesis of a perennial grass, Poa alpina. New Phytol 134:495-502
142. Seel WE, Cooper RE, Press MC (1993) Growth, gas exchange and water use efficiency of the facultative hemiparasite Rhinanthus minor associated with hosts differing in foliar nitrogen concentration. Physiol Plant 89:64-70
143. Silva A, Martinez del Rio C (1996) Effects of the mistletoe Tristerix aphyllus (Loranthaceae) on the reproduction of in cactus host Echinopsis chilensis. Oikos 75:437-442
144. Simard SW, Perry DS, Jones MD, Myrold DD, Durall DM, Molina R (1997) Net transfer of carbon between ectomycorrhizal tree species in the field. Nature 388:579-582
145. Smith D (2000) The population dynamics and community ecology of root hemiparasitic plants. Am Nat 155:13-23
146. Snogerup B (1982) Host influence on northwest European taxa of Odontites (Scrophulariaceae). Ann Bot Fenn 19:17-30
147. Spencer KC (1998) Chemical Mediation of Coevolution. Academic Press, San Diego
148. Steffens JC, Lynn DG, Kamat VS, Riopel JL (1982) Molecular specificity of haustorial induction in Agalinis purpurea (L.). Ann Bot 50:1-7
149. Steffens JC, Roark JL, Lynn DG, Riopel JL (1983) Host recognition in parasitic angiosperms: Use of correlation spectroscopy to identify long-range coupling in an haustorial inducer. J Am Chem Soc 105:1669-1671
150. Steinhauer EM, Collins SL (2001) Feedback loops in ecological hierarchies following urine deposition in tallgrass prairie. Ecology 82:1319-1329
151. Stermitz FR, Belofsky GN, Ng D, Singer MC (1989) Quinolizidine alkaloids obtained by Pedicularis semibarbata (Scrophulariaceae) from Lupinus fulcratus (Leguminosae) fail to influence the specialist herbivore Euphydras editha (Lepidoptera). J Chem Ecol 15:2521-2530
152. Stermitz FR, Foderaro TA, Li YX (1993) Iridoid glycoside uptake by Castilleja integra via root parasitism on Penstemon teucrioides. Phytochemistry 32:1151-1153
153. Stevens RE, Hawksworth FG (1970) Insects and Mites Associated with Dwarf Mistletoes. Research Note RM-59. U.S. Department of Agriculture Forest Service, Rocky Mountain Forest and Range Experiment Station, Fort Collins, Colo. USA
154. Strong DR, Lawton JH, Southwood TRE (1984) Insects on Plants: Community Patterns and Mechanisms. Blackwell, Oxford
155. Tennakoon KU, Pate JS (1996) Heterotrophic gain of carbon from hosts by the xylem-tapping root hemiparasite Olax phyllanthi (Olacaceae). Oecologia 105:369-376
156. Thompson JN (1994) The Coevolutionary Process. University of Chicago Press, Chicago, Ill. USA
157. Tinnin RO, Knutson DM (1980) Growth characteristics of the brooms on Douglas-fir caused by Arceuthobium douglasii. For Sci 26:149-158
158. Toft CA, Aeschlimann A, Bolis L (1991) Parasite-host Associations: Coexistence or Conflict? Oxford University Press, Oxford
159. Trumble JT, Kolodny-Hirsch DM, Ting IP (1993) Plant compensation for herbivory. Annu Rev Entomol 38:93-119
160. Wallace A, Romney EM, Alexander GV (1978) Mineral composition of Cuscuta nevadensis Johnston (dodder) in relation to its hosts. Plant Soil 50:227-231
161. Walter LEF, Hartnett DC, Hetrick BAD, Schwab AP (1996) Interspecific nutrient transfer in a tallgrass prairie plant community. Am J Bot 83:180-184
162. Wanner J, Tinnin RO (1986) Respiration in lodgepole pine parasitized by American dwarf mistletoe. Can J For Res 16:1375-1378
163. 4 plants linked by a common mycorrhizal network, quantified using stable carbon isotopes. Soil Biol Biogeochem 28:471-477
164. Watkinson AR, Gibson CC (1988) Plant parasitism: The population dynamics of parasitic plants and their effects upon plant community structure. In: Davy AJ, Hutchings MJ, Watkinson AR (eds) Plant Population Ecology. Blackwell, Oxford, pp 393-411
165. Worsham AD, Moreland DE, Klingman GC (1964) Characterization of the Striga asiatica (Witchweed) germination stimulant from Zea mays L. J Exp Bot 15:556-567
166. Yan G, Stevens L (1995) Selection by parasites on components of fitness in Tribolium beetles: The effects of intraspecific competition. Am Nat 146:795-813
167. Yeaton, RI (1978) A cyclical relationship between Larrea tridentata and Opuntia leptocaulis in the northern Chihuahuan desert. J Ecol 66:651-656