The role of nitrate in the osmotic and nutritional control of plant development

Australian Journal of Plant Physiology

Volumn 24, Issue 2, 1997, Pages 103-118

  McIntyre, G I ^a  

^a SASKATOON RESEARCH CENTRE   (Canada)

Author keywords

Apical dominance; Flowering; Leaf senescence; Nitrate; Root initiation; seed germination

Indexed keywords

EID: 0030816808     PISSN: 03107841     EISSN: None     Source Type: Journal    
DOI: 10.1071/PP96064     Document Type: Review

References (157)

1. Addicott, F.T., and Lyon, J.L. (1969). Physiology of abscisic acid and related substances. Annual Review of Plant Physiology 20, 139-164.
2. Adkins, S.W., Simpson, G.M., and Naylor, J.M. (1984). The physiological basis of seed dormancy in Avena fatua. III Action of nitrogenous compounds. Physiologia Plantarum 60, 227-233.
3. Ägren, G.I. (1985). Theory for growth of plants derived from the nitrogen productivity concept. Physiologia Plantarum 64, 17-28.
4. Aspinall, D. (1961). The control of tillering in the barley plant. I. The pattern of tillering and its relation to nutrient supply. Australian Journal of Biological Sciences 14, 493-505.
5. Bayer, D.E., Foy, C.L., Mallory, T.E., and Cutter, E.G. (1967). Morphological and histological effects of trifluralin on root development. American Journal of Botany 54, 945-952.
6. Bell, J.K., and McCully, M.E. (1970). A histological study of lateral root initiation and development in Zea. Protoplasma 70, 179-205.
7. Bennett, J.M., Jones, J.W., Zur, B., and Hammond, L.C. (1986). Interactive effects of nitrogen and water stresses on water relations of field-grown corn leaves. Agronomy Journal 78, 273-280.
8. Bernier, G., Kinet, J.M., and Sachs, R.M. (1981). 'The Physiology of Flowering.' Vols I and II. (CRC Press: Boca Raton.)
9. Bewley, J.D., and Black, M. (1982). 'Physiology and Biochemistry of Seeds in Relation to Germination.' Vol. 2. Viability, Dormancy and Environmental Control. (Springer-Verlag: Berlin.)
10. Blom-Zandstra, M., and Lampe, J.E.M. (1985). The role of nitrate in the osmoregulation of lettuce (Lactuca sativa L.) grown at different light intensities. Journal of Experimental Botany 36, 1043-1052.
11. Bodson, M. (1977). Changes in the carbohydrate content of the leaf and the apical bud of Sinapis during transition to flowering. Planta 135, 51-55.
12. Bodson, M., and Outlaw W. H. (1985). Elevation in the sucrose content of the shoot apical meristem of Sinapis alba at floral evocation. Plant Physiology 79, 420-424.
13. Boyer, J.S. (1987). Hydraulics, wall extensibility and wall proteins. In 'Physiology of Cell Expansion during Plant Growth'. (Eds D.J. Cosgrove and D.P. Knieval.) pp. 109-121. (American Society of Plant Physiologists: Rockville, Maryland.)
14. Brown, D.C.W., Leung, D.W.M., and Thorpe, T.A. (1979). Osmotic requirement for shoot formation in tobacco callus. Physiologia Plantarum 46, 36-41.
15. Brown, D.C.W., and Thorpe, T.A. (1980). Changes in water potential and its components during shoot formation in tobacco callus. Physiologia Plantarum 49, 83-87.
16. Carmi, A., and Koller, D. (1979). Regulation of photosynthetic activity in the primary leaves of bean (Phaseolus vulgaris L.) by materials moving in the water-conducting system. Plant Physiology 64, 285-288.
17. Chiang, S.H.T., and Gifford, E.M. (1971). Development of the root of Ceratopteris thalictroides with special reference to apical segmentation. Journal of the Indian Botanical Society 50A, 96-106.
18. Chapin F.S. (1990). Effects of nutrient deficiency on plant growth: evidence for a centralized stress-response system. In 'Importance of Root to Shoot Communication on the Responses to Environmental Stress'. (Eds W.J. Davies and B. Jeffcoat.) Monograph 21, pp. 135-148. (British Society for Plant Growth Regulation: Bristol.)
19. Chibnal, A.C. (1954). Protein metabolism in rooted runner-bean leaves. New Phytologist 53, 31-37.
20. Clarkson, D.T., and Touraine, B. (1994). Morphological responses of plants to nitrate-deprivation: a role for abscisic acid? In 'A Whole Plant Perspective on Carbon-Nitrogen Interactions'. (Eds J. Roy and E. Garnier.) pp. 187-196. (SPB Academic Publishing bv: The Hague.)
21. Cleland, R.E. (1977). The control of cell enlargement. In 'Integration of Activity in the Higher Plant'. (Ed D.H. Jennings.) Symposia of the Society for Experimental Biology 31, 101-115.
22. 3 concentration. Journal of Experimental Botany 29, 453-464.
23. Cline, M.G. (1991). Apical dominance. Botanical Review 57, 318-358.
24. Cline, M.G. (1994). The role of hormones in apical dominance. New approaches to an old problem in plant development. Physiologia Plantarum 90, 230-237.
25. Cottignies, A., and Jennane, A. (1988). Water content, water potential, and transition from the non-cycling to the cycling state in the pea cotyledonary bud. Journal of Plant Physiology 132, 1-4.
26. Cram, W.J. (1976). Negative feedback regulation of transport in cells. The maintenance of turgor, volume and nutrient supply. In 'Transport in Plants II, Part A, Cells'. (Eds V. Lüttge and M.G. Pitman.) Encyclopedia of Plant Physiology, New Series, Vol. 2, pp. 284-316. (Springer-Verlag: Berlin.)
27. Dale, J.E. (1983). 'The Growth of Leaves.' (Edward Arnold: London.)
28. Dittrich, P., and Raschke, K. (1977). Malate metabolism in isolated epidermis of Commelina communis L. in relation to stomatal functioning. Planta 134, 77-81.
29. Drew, M.C. (1975) Comparisons of the effects of a localised supply of phosphate, nitrate, ammonium and potassium on the growth of the seminal root system and the shoot in barley. New Phytologist 75, 479-490.
30. Drew, M.C. (1979). Root development and activities. In 'Arid Land Ecosystems: Structure, Functioning and Management'. Vol. 1, pp. 576-605. (Eds D.W. Goodall and R.A. Perry.) (Cambridge University Press: London.)
31. Drew, M.C., Saker, L.R., and Ashley, T.W. (1973). Nutrient supply and the growth of the seminal root system in barley. 1. The effect of nitrate concentration on the growth of axes and laterals. Journal of Experimental Botany 24, 1189-1202.
32. Esau, K. (1965). 'Plant Anatomy.' (John Wiley: New York.)
33. Evenari, M., Shannon L., and Tadmor, N.H. (1971). 'The Negev: the Challenge of a Desert.' (Harvard University Press: Cambridge.)
34. Fitter, A.H., and Hay, R.K.M. (1987). 'Environmental Physiology of Plants.' 2nd edition. (Academic Press: London.)
35. Foard, D.E., Haber, A.H., and Fishman, T.N. (1965). Initiation of lateral root primordia without completion of mitosis and cytokinesis in uniseriate pericycle. American Journal of Botany 52, 580-590.
36. Foley, M.E. (1992). Effect of soluble sugars and gibberellic acid in breaking dormancy of excised wild oat (Avena fatua) embryos. Weed Science 40, 208-214.
37. Friend, D.J., Bodson M., and Bernier, G. (1984). Promotion of flowering in Brassica campestris L. cv. Ceres by sucrose. Plant Physiology 75, 1085-1089.
38. Gliemeroth, G. Von. (1955). Moglichkeiten der Beeinflussung von Wurzelmasse und Wurzeldifferenzierung. Landwirtschaftliche Forschung, Sonderheft 6, 69-85.
39. Glinka, Z., and Reinhold, L. (1971). Abscisic acid raises the permeability of plant cells to water. Plant Physiology 48, 103-105.
40. Glinka, Z., and Reinhold, L. (1972). Induced changes in permeability of plant cell membranes to water. Plant Physiology 49, 602-606.
41. Goebel, K. (1900). 'Organography of Plants, Especially of the Archegoniatae and Spermaphyta.' Part 1. General Organography. (Clarendon Press: Oxford.)
42. Goldthwaite, J.J., and Laetsch, W.M. (1967). Regulation of senescence in bean leaf discs by light and chemical growth regulators. Plant Physiology 42, 1757-1762.
43. Goodwin, P.B., Gollnow, B.I., and Letham, D.S. (1978). Phytohormones and growth correlations. In 'Phytohormones and Related Compounds - A Comprehensive Treatise'. Vol. II. (Eds D.S. Letham, PB. Goodwin and T.J.V. Higgins.) pp. 215-249. (Elsevier/North Holland Biomedical Press: Amsterdam.)
44. Grainger, J. (1948). Growth cycle metabolism of plants in relation to flowering. Annals of Applied Biology 35, 624-627.
45. Grainger, J. (1964). A mechanism for the action of floral stimuli in plants. Horticultural Research 4, 104-125.
46. Granato, T.C., and Raper, D. (1989). Proliferation of maize (Zea mays L.) roots in response to localized supply of nitrate. Journal of Experimental Botany 40, 263-275.
47. Granstedt, R.C., and Huffaker, R.C. (1982). Identification of the leaf vacuole as a major nitrate storage pool. Plant Physiology 70, 410-413.
48. Green, P.B., Erickson, R.O., and Buggy, J. (1971). Metabolic and physical control of cell elongation rate: in vivo studies in Nitella. Plant Physiology 47, 423-430.
49. Gregory, F.G., and Veale, J.A. (1957). A reassessment of the problem of apical dominance. In 'Biological Action of Growth Substances'. (Ed. D.H. Jennings.) Symposia of the Society for Experiment Biolology 11, pp. 1-20.
50. Hackett, C. (1972). A method of applying nutrients locally to roots under controlled conditions, and some morphological effects of locally applied nitrate on the branching of wheat roots. Australian Journal of Biolological Sciences 25, 1169-1180.
51. Halevy, A.H. (1976). Treatments to improve water balance of cut flowers. Acta Horticulturae 64, 223-230.
52. Halevy, A.H., and Mayak, S. (1974). Improvement of cut flower quality, opening and longevity by preshipment treatments. Acta Horticulturae 43, 335-347.
53. Havelange, A. (1980). The quantitative ultrastructure of the meristematic cells of Xanthium strumarium during the transition to flowering. American Journal of Botany 67, 1171-1178.
54. Havelange A., and Bernier, G. (1974). Descriptive and quantitative study of ultrastructural changes in the apical meristem of mustard in transition to flowering. 1. The cell and nucleus. Journal of Cell Science 15, 645-657.
55. Hepler, P.K., and Wayne, R.O. (1985). Calcium and plant development. Annual Review of Plant Physiology 36, 397-439.
56. Hess, C.E. (1968). Internal and external factors regulating root initiation. In 'Root Growth'. (Ed. W.J. Whittington.) pp. 42-53. Proceedings of the Easter School of Agricultural Science, University of Nottingham. (Butterworths: London.)
57. Hilhorst, H.W.M., and Karssen, C.M. (1989). Nitrate reductase independent stimulation of seed germination in Sisymbrium officinale L. (hedge mustard) by light and nitrate. Annals of Botany 63, 131-137.
58. Hillman, J.R. (1986). Apical dominance and correlation by hormones. In 'Plant Growth Substances'. (Ed. M. Bopp.) pp. 341-349. (Springer-Verlag: Berlin.)
59. Hood, A.E.M. (1982). Fertilizer trends in relation to biological productivity within the U.K. Philosophical Transactions of the Royal Society of London, Series B 296, 315-328.
60. Hsiao T.C. (1973). Plant responses to water stress. Annual Review of Plant Physiology 24, 519-570.
61. Hsiao, T.C., Acevedo, E., and Henderson, D.W. (1970). Maize leaf elongation: continuous measurements and close dependence on plant water status. Science 168, 590-591.
62. Hsiao, T.C., and Läuchli, A. (1986). Role of potassium in plant-water relations. In 'Advances in Plant Nutrition'. (Eds P. B. Tinker and A. Läuchli.) pp. 281-312. (Praeger: New York.)
63. Hsiao, A.I., McIntyre, G.I., and Hanes, J.A. (1983). Seed dormancy in Avena fatua L. Botanical Gazette 144, 217-222.
64. Ingested, T. (1979). Nitrogen stress in birch seedlings. II. N, K, P, Ca, and Mg nutrition. Physiologia Plantarum 45, 149-157.
65. Jennane, A., Landré, P., and Nougarède, A. (1987). Water content and physiological state of the cotyledonary buds of the pea. Journal of Plant Physiology 127, 493-498.
66. Katagiri, K., and Tsuji, H. (1980). Increase in DNA content of primary leaves of Phaseolus vulgaris upon decapitation. Journal of Experimental Botany 31, 209-222.
67. Kiyosawa, K. (1979). Unequal distribution of potassium and anions within the Phaseolus pulvinus during circadian leaf movement. Plant and Cell Physiology 20, 1621-1634.
68. Kramer, P.J., and Boyer, J.S. (1995). 'Water Relations of Plants and Soils.' (Academic Press: San Diego.)
69. Kraus, E.J., and Kraybill, H.R. (1918). Vegetation and reproduction with special reference to the tomato. Oregon Agricultural College Station Bulletin No. 149, Corvallis.
70. Kuntz, I.D., and Kauzmann, W. (1974). Hydration of proteins and polypeptides. In 'Advances in Protein Chemistry'. (Eds C.B. Anfinsen, J.T. Edsall and F.M. Richards.) pp. 239-345. (Academic Press: New York.)
71. Lang, A. (1965). Physiology of flower initiation. In 'Encyclopedia of Plant Physiology'. (Ed. W. Ruhland.) Vol. 15/1, pp. 1380-1536. (Springer-Verlag: Berlin.)
72. Lee, J.A., Harmer, R., and Ignaciuk, R. (1983). Nitrogen as a limiting factor in plant communities. In 'Nitrogen as an Ecological Factor'. (Eds J.A. Lee, S. McNeill and LH. Rorison.) pp. 95-112. The 22nd Symposium of the British Ecological Society, (Blackwell Scientific Publications: Oxford.)
73. Leigh, R.A., and Johnston, A.E. (1985). Nitrogen concentrations in field-grown spring barley: an examination of the usefulness of expressing concentrations on the basis of tissue water. Journal of Agricultural Science 105, 397-406.
74. Leigh, R. A., and Wyn Jones, R.G. (1984). A hypothesis relating critical potassium concentrations for growth to the distribution and functions of this ion in the plant cell. New Phytologist 97, 1-13.
75. Lin, B-L., and Raghavan, V. (1991). Lateral root initiation in Marsilea quadrifolia. I. Origin and histogenesis of lateral roots. Canadian Journal of Botany 69, 123-135.
76. Loach, K. (1988). Water relations and adventitious rooting. In 'Adventitious Root Formation in Cuttings'. (Eds T.D. David, B.E. Hassig and N. Sankhla.) pp. 102-116. (Dioscorides Press: Portland.)
77. Loeb, J. (1918). Chemical basis for correlation. I. Production of equal masses of shoots by equal masses of sister leaves in Bryophyllum calycinum. Botanical Gazette 65, 150-174.
78. MacRobbie, E.A.C. (1976). Accumulation of ions in plant cell vacuoles. In 'Perspectives of Experimental Biology'. Vol. 2 Botany. (Eds P.S. Davies and N. Sunderland.) pp. 369-380. (Pergamon Press: Oxford.)
79. MacRobbie, E.A.C. (1981). Effects of abscisic acid in 'isolated' guard cells of Commelina communis L. Journal of Experimental Botany 32, 563-572.
80. Malone, M., and Stankovic, B. (1991). Surface potentials and hydraulic signals in wheat leaves following localized wounding by heat. Plant, Cell and Environment 14, 431-436.
81. Martinoia, E., Heck, V., and Wiemken, A. (1981). Vacuoles as storage compartments for nitrate in barley leaves. Nature 289, 292-294.
82. Mayak, S., and Halevy, A.H. (1980). Flower senescence. In 'Senescence in Plants'. (Ed. K.V. Thimann.) pp. 131-156. (CRC Press: Boca Raton.)
83. Mayak, S., Kofranek, A.M., and Tirosh, T. (1978). The effect of inorganic salts on the senescence of Dianthus caryophyllus flowers. Physiologia Plantarum 43, 282-286.
84. McIntyre, G.I. (1965). Some effects of the nitrogen supply on the growth and development of Agropyron repens (L.) Beauv. Weed Research 51, 1-12.
85. McIntyre, G.I. (1971). Water stress and apical dominance in Pisum sativum. Nature New Biology 230, 87-88.
86. McIntyre, G.I. (1973). Environmental control of apical dominance in Phaseolus vulgaris. Canadian Journal of Botany 51, 293-299.
87. McIntyre, G.I. (1975). The correlative inhibition of bud and shoot growth in flax (Linum usitatissimum). Some factors affecting the pattern and degree of inhibition. Canadian Journal of Botany 53, 390-402.
88. McIntyre, G.I. (1977a). The role of nutrition in apical dominance. In 'Integration of Activity in the Higher Plant'. (Ed. D.H. Jennings.) Symposia of the Society for Experimental Biolology 31, 251-273.
89. McIntyre, G.I. (1977b). Environmental control of lateral bud growth in the sunflower (Helianthus annuus). Canadian Journal of Botany 55, 2673-2678.
90. McIntyre, G.I. (1987). The role of water in the regulation of plant development. Canadian Journal of Botany 65, 1287-1298.
91. McIntyre, G.I. (1990). The correlative inhibition of bud growth in perennial weeds: a nutritional perspective. Reviews of Weed Science 5, 27-48.
92. McIntyre, G.I., and Cessna, A.J. (1991). Apical dominance in Phaseolus vulgaris: effect of the nitrogen supply. Canadian Journal of Botany 69, 1337-1343.
93. McIntyre, G.I., Cessna, A.J., and Hsiao, A.I. (1991). The mechanism of nitrate-induced germination in Avena fatua L. Proceedings of the Canadian Society of Plant Physiologists (Abstract).
94. McIntyre, G, I., Cessna, A. J., and Hsaio, A. I. (1996). Seed dormancy in Avena fatua: interacting effects of nitrate, water and seed coat injury. Physiologia Plantarum 97, 291-302.
95. McIntyre, G.I., and Damson, E. (1988). Apical dominance in Phaseolus vulgaris. The triggering effect of shoot decapitation and leaf excision on growth of the lateral buds. Physiologia Plantarum 74, 607-614.
96. McIntyre, G.I., and Hsiao, A.I. (1985). Seed dormancy in Avena fatua. II. Evidence of embryo water content as a limiting factor. Botanical Gazette 46, 347-352.
97. McIntyre, G.I., and Hsiao, A.I. (1990). The role of expanded leaves in the correlative inhibition of axiliary buds in milkweed (Asclepias syriaca) Canadian Journal of Botany 68, 1280-1285.
98. McIntyre, G.I., and Raju, M.V.S. (1967). Developmental studies on Euphorbia esula L. Some effects of the nitrogen supply on the growth and development of the seedling. Canadian Journal of Botany 45, 975-984.
99. Mei, H-S., and Thimann, K.V. (1984). The relation between nitrogen deficiency and leaf senescence. Physiologia Plantarum 62, 157-161.
100. Milborrow, B.V. (1974). The chemistry and physiology of abscisic acid. Annual Review of Plant Physiology 25, 259-307.
101. Millard, P. (1988). The accumulation and storage of nitrogen by herbaceous plants. Plant, Cell and Environment 11, 1-8.
102. Millard, P., and MacKerron, D.K.L. (1986). The effects of nitrogen application on growth and nitrogen distribution within the potato canopy. Annals of Applied Biology 109, 427-437.
103. Morgan, J.A. (1986). The effects of N nutrition on the water, relations and gas exchange characteristics of wheat (Triticum aestivum L.) Plant Physiology 80, 52-58.
104. Murneek, A, E. (1948). Nutrition and metabolism as related to photoperiodism., In 'Vernalization and Photoperiodism'. (Eds R.O. White and A. E. Murneek.) pp. 83-90. (Chronica Botanica: Waltham.)
105. Naylor, J., and Simpson, G. M. (1961). Dormancy studies in seed of Avena fatua. 2. Gibberellin - sensitive inhibitory mechanism in the embryo. Canadian Journal of Botany 39, 281-295.
106. Ness, P.J., and Woolhouse, H.W. (1980). RNA synthesis in Phaseolus chloroplasts from developing and senescing leaves. Journal of Experimental Botany 31, 235-245.
107. Nobel, P.S. (1991). 'Physiochemical and Environmental Plant Physiology'. (Academic Press: San Diego.)
108. Nooden, L.D., and Guiamét, J.J. (1989). Regulation of assimilation and senescence by the fruit in monocarpic plants. Physiologia Plantarum 77, 267-274.
109. Ourry, A., Gonzales, B., and Boucaud, J. (1989). Osmoregulation and role of nitrate during regrowth after cutting of ryegrass (Lolium perenne). Physiologia Plantarum 76, 177-182.
110. Outlaw, W.H. (1983). Current concepts on the role of potassium in stomatal movements. Physiologia Plantarum 59, 302-311.
111. Pardossi, A., Pritchard, J., and Tomos, A.D. (1994). Leaf illumination and root cooling inhibit bean leaf expansion by decreasing turgor pressure. Journal of Experimental Botany 45, 415-422.
112. Pearson, C.H., and Kirkham, M.B. (1980). Osmotic potential of wheat grown with fertilizer placed in strips or broadcast. Fertilizer Research 1, 227-234.
113. Peterson, L.W., and Huffaker, R.C. (1975). Loss of ribulose 1,5-diphosphate carboxylase and increase in proteolytic activity during senescence of detached primary barley leaves. Plant Physiology 55, 1009-1015.
114. Peterson, R.L., and Peterson, C.A. (1986). Ontogeny and anatomy of lateral roots. In 'Root Formation in Plants and Cuttings'. (Ed. M.B. Jackson.) pp. 1-30. (Martinus Nijhoff: Dordrecht.)
115. Pilbeam, D.T., and Kirkby, E. A. (1990). The physiology of nitrate uptake. In 'Nitrogen in Higher Plants'. (Ed. Y.P. Abrol.) pp. 39-64. (John Wiley: New York.)
116. Radin, J.W. (1981). Water relations of cotton plants under nitrogen deficiency. IV. Leaf senescence during drought and its relation to stomatal closure. Physiologia Plantarum 51, 145-149.
117. Radin, J.W., and Boyer J.S. (1982). Control of leaf expansion by nitrogen nutrition in sunflower plants. Role of hydraulic conductivity and turgor. Plant Physiology 69, 771-775.
118. Radin, J.W., and Parker, L.L. (1979). Water relations of cotton plants under nitrogen deficiency. I. Dependence upon leaf structure. Plant Physiology 64, 495-498.
119. Raju, M.V.S., Hsiao, A.I., and McIntyre, G.I. (1988). Seed dormancy in Avena fatua. IV. Further observations on the effect of mechanical injury on water uptake and germination in different pure lines. Botanical Gazette 149, 419-426.
120. Ray, P.M., Green P.B., and Cleland, R.E. (1972). Role of turgor in plant cell growth. Nature 239, 163-164.
121. Rideout, J. W., Raper, C. D., and Miner, G. S. (1992). Changes in ratio of soluble sugars and free amino nitrogen in the apical meristem during floral transition in tobacco. International Journal of Plant Science 153, 78-88.
122. Roberts, E.H., and Smith, R.D. (1977). Dormancy and the pentose phosphate pathway. In 'The Physiology and Biochemistry of Seed Dormancy and Germination'. (Ed. A.A. Khan.) pp. 335-411. (North Holland Publishing Co.: Amsterdam.)
123. Sachs, R. M. (1987). Roles of photosynthesis and assimilate partitioning in flower initiation. In 'Manipulation of Flowering'. pp. 317-340. (Butterworths: London.)
124. Sinclair, T.R., and Ludlow, M.M. (1985). Who taught plants thermodynamics? The unfulfilled potential of plant water potential. Australian Journal of Plant Physiology 12, 213-217.
125. Slavik, B. (1974) 'Methods of Studying Plant Water Relations.' Ecological Studies 9. (Springer-Verlag: Berlin.)
126. Smirnoff, N., and Stewart, G.R. (1985). Nitrate assimilation and translocation by higher plants: comparative physiology and ecological consequences. Physiologia Plantarum 64, 133-140.
127. Smith, D.R., and Thorpe, T.A. (1975). Root initiation in cuttings of Pinus radiata seedlings. I. Developmental sequence. Journal of Experimental Botany 26, 184-192.
128. Sprent, J.I., and Thomas, R.J. (1984). Nitrogen nutrition of seedling grain legumes: some taxonomic, morphological and physiological constraints. Plant, Cell and Environment 7, 637-645.
129. Steingrover, E., Woldendrop, J., and Sijtsma, L. (1986). Nitrate accumulation and its relation to leaf elongation in spinach leaves. Journal of Experimental Botany 37, 1093-1102.
130. Street, H. E., and Lowe J. S. (1950). The carbohydrate nutrition of tomato roots. II. The mechanism of sucrose absorption by excised roots. Annals of Botany 14, 307-329.
131. Takeba, G. (1980). Accumulation of free amino acids in the tips of non-dormant embryonic axes accounts for the increase in the growth potential of New York lettuce seeds. Plant, Cell and Environment 21, 1639-1644.
132. Tamas, I. A. (1987). Hormonal regulation of apical dominance. In 'Plant Hormones and their Role in Plant Growth and Development'. (Ed. P.J. Davis.) pp. 393-410. (Martinus Nijhoff: Dordrecht.)
133. Thomas, H. (1983). Proteolysis in senescing leaves. In 'Interactions between Nitrogen and Growth Regulators in the Control of Plant Development'. (Ed. M.B. Jackson.) British Plant Growth Regulator Group, Monograph 9, pp. 45-59.
134. Thomas, R.J., Feller, J., and Erismann, K.H. (1979). The effect of different inorganic nitrogen sources and plant age on the composition of bleeding sap of Phaseolus vulgaris. New Phytologist 82, 657-669.
135. Torrey, J. G. (1965). Physiological basis of organization and development in the root. In 'Differentiation and Development'. (Ed. W. Ruhland.) pp. 1256-1327. (Springer Verlag: Berlin.)
136. Trewavas, A.J. (1983.) Nitrate as a plant hormone. In 'Interactions between Nitrogen and Growth Regulators in the Control of Plant Development'. (Ed. M.B. Jackson.) British Plant Growthc Regulator Group, Monograph 9, pp. 97-110.
137. Trewavas, A.J. (1985). A pivotal role for nitrate and leaf growth in plant development. In 'Control of Leaf Growth'. (Eds N.R. Baker and C.K. Ong.) Society for Experimental Biology, Seminar Series 27, 77-91.
138. Tyree, M.T., and Jarvis, P.G. (1983). Water in tissues and cells. In 'Physiological Plant Ecology'. (Eds O.L. Lange, P.S. Nobel, C.B. Osmond and H. Zeiger.) Encyclopedia of Plant Physiology, New Series, Vol. 12B, pp. 35-77. (Springer-Verlag: Berlin.)
139. Udvardy, J., Farkas, G.L., Marré E., and Forti, G. (1967). The effects of sucrose and light on the level of soluble and particle-bound ribonuclease activity in excised Avena leaves. Physiologia Plantarum 20, 781-788.
140. Veen, B.W., and Kleinendorst, A. (1985). Nitrate accumulation and osmotic regulation in Italian ryegrass (Lolium multiflorum Lam.) Journal of Experimental Botany 36, 211-218.
141. Vessey J.K., Raper, D.C., and Henry, L.T. (1990). Cyclic variations in nitrogen uptake rate in soybean plants: uptake during reproductive growth. Journal of Experimental Botany 41, 1579-1584.
142. Wakhloo, J.L. (1970). Role of mineral nutrients and growth regulators in the apical dominance in Solanum sisymbrifolium. Planta 91, 190-194.
143. Wardlaw, I.F., and Mortimer, D.C. (1970). Carbohydrate movement in pea plants in relation to axillary bud growth and vascular development. Canadian Journal of Botany 48, 229-237.
144. Wareing, P.F (1983). Introduction. In 'Interactions between Nitrogen and Growth Regulators in the Control of Plant Development'. (Ed. M.B. Jackson.) British Plant Growth Regulator Group, Monograph 9, pp. 1-3.
145. Watson, D.J. (1936). Effect of applying a nitrogenous fertilizer to wheat at different stages of growth. Journal of Agricultural Science 26, 391-414.
146. Weaver, I.E. (1925). Investigations on the root habits of plants. American Journal of Botany 12, 502-509.
147. Weaver, R.J., and Johnson J.O. (1985). Relation of hormones to nutrient mobilization and the internal environment of the plant: the supply of mineral nutrient and photosynthate. In 'Hormonal Regulation of Development'. (Eds R.P. Pharis and D.M. Reid.) Encyclopedia of Plant Physiology, New Series, Vol. 11. pp. 3-36. (Springer-Verlag: Berlin.)
148. + fluxes in Commelina communis L. leaf epidermis. Journal of Experimental Botany 31, 711-720.
149. Wiersum, L.K. (1958). Density of root branching as affected by substrate and separate ions. Acta Botanica Neerlandica 7, 174-190.
150. Wittwer, S. H., and Teubner, F. G. (1957). The effects of temperature and nitrogen nutrition on flower formation in the tomato. American Journal of Botany 44, 124-129.
151. Wolfe, D.W., Henderson, D.W., Hsiao, T.C., and Alvino, A. (1988). Interactive water and nitrogen effects on senescence of maize. I. Leaf area duration, nitrogen distribution and yield. Agronomy Journal 80, 859-864.
152. Wollgiehn, R. (1967). Nucleic acid and protein metabolism of excised leaves. In 'Aspects of the Biology of Aging'. (Ed H.W. Woolhouse.) Symposia for the Society for Experimental Biology 21, 231-246.
153. Wyn Jones, R. G., and Pollard, A. (1983). Proteins, enzymes and inorganic salts. In 'Inorganic Plant Nutrition'. (Eds A. Läuchli and R. L. Bieleski.) Encyclopedia of Plant Physiology, New Series, Vol. 15B, pp. 528-562. (Springer-Verlag: Berlin.)
154. Yambao, E.G., and O'Toole, J.C. (1984). Effects of nitrogen nutrition and root medium water potential on growth, nitrogen uptake and osmotic adjustment of rice. Physiologia Plantarum 60, 507-515.
155. Yeang, H.Y., and Hillman, J.R. (1981). Internodal extension in the first trifoliate leaf axillary bud of Phaseolus vulgaris L. following shoot decapitation. Annals of Botany 48, 25-32.
156. Zeevart, J.A.D., and Creelman, R.A. (1988). Metabolism and physiology of abscisic acid. Annual Review of Plant Physiology and Plant Molecular Biology 39, 439-473.
157. Zimmermann, U. (1978). Physics of turgor and osmoregulation. Annual Review of Plant Physiology 29, 121-148.