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Abstract
The influence of metals (Pb and Zn) was investigated using plant growth as stress indicators. Spinach plant was treated with various concentrations of Pb and Zn (2, 5, 10 50, 100 and 200 mM). Lead has a stimulating effect upto 5mM concentrations whereas, zinc was find to promote the growth upto 10mM level. Overall, a negative correlation was found between metal concentration and chlorophyll, carbohydrate, nitrogen and protein content of the plant.
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References
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- Doncheva, S., Stoyanova, Z. and Velikova, V., 2001. The influence of succinate on zinc toxicity of pea plant. Journal of Plant Nutrition, 24: 789-806. DOI: https://doi.org/10.1081/PLN-100103774
- Drazkiewiez, M., 1994. Chlorophyll-occurrence, functions, mechanism of action, effects of internal and external factors. Photosynthetica, 30: 321--331.
- Evass, J.R., 1996. Development constraints on photosynthesis: Effects of light and nutrition. In: NR Baker (ed.). Photosynthesis and Environment, Kluwer Academic Publishers. Dordrecht, The Netherlands. 281- 304. DOI: https://doi.org/10.1007/0-306-48135-9_11
- Garg, N. and Jasleen, 2004. Variability in response of Chick pea (Cicer arietinum L.) cultivars to salt stress in germination and early growth of the seedlings. Indian Journal of Plant Physiology, 9(1): 21-28.
- Hedge, J. E. and Horfreiter, R. D., 1962. In: Carbohydrate Chemistry 17 (ed.) Whister R.L. and Be Miller, J.N. Academic Press, New York.
- Jackson, M. L., 1962. Soil chemical analysis, Prentice Hall, Inc. England.
- Tuba Z., 1987. Method for determination of the entire photosynthetic pigment composition of bryophytes. In: H. Rudolph and E. Hartman (eds). Abstract Bryological Methods Workshop: 118-119.
- Veerappa, N.S and Samy D. L., 1999. Zinc ion toxicity and its alleviation by Manganese and Cu ions in Maize Seedlings (Zea may L.) with special reference to Nitrate Reductase Activity. Physiology and Molecular Biology of Plants, 5: 63-66.
References
Dabas, S., Singh , R. P. and Sawhney,V., 1995. Nitrogen- fixation and ammonia assimilation in Mungbean nodules during lead contamination. Physiology and Molecular Biology of Plantsm, 1: 135-140.
De Vos, C. H. R., Schat, H., De Waal, M. A. M., Voorja, R. and Ernst, W. H. O., 1991. Increased resistance to copper-induced damage of root cell plasmalemma in copper tolerant Silene cucubalus. Physiology of Plant, 82: 523-528. DOI: https://doi.org/10.1034/j.1399-3054.1991.820407.x
Doncheva, S., Nikolov, B. and Ogneva, V., 1996. Effect of copper excess on the morphology of the nucleus in maize root meristem cells. Physiology of Plant, 96: 118- 122. DOI: https://doi.org/10.1034/j.1399-3054.1996.960117.x
Doncheva, S., 1997. Ultrastructural localization of Ag-NOR proteins in root meristem cells after copper treatment. Journal of Plant Physiology, 151: 242- 245. DOI: https://doi.org/10.1016/S0176-1617(97)80160-5
Doncheva, S., 1998. Copper induced alterations in structure and proliferation of root meristem cells. Journal of Plant Physiology, 153: 482-487. DOI: https://doi.org/10.1016/S0176-1617(98)80178-8
Doncheva, S., Stoyanova, Z. and Velikova, V., 2001. The influence of succinate on zinc toxicity of pea plant. Journal of Plant Nutrition, 24: 789-806. DOI: https://doi.org/10.1081/PLN-100103774
Drazkiewiez, M., 1994. Chlorophyll-occurrence, functions, mechanism of action, effects of internal and external factors. Photosynthetica, 30: 321--331.
Evass, J.R., 1996. Development constraints on photosynthesis: Effects of light and nutrition. In: NR Baker (ed.). Photosynthesis and Environment, Kluwer Academic Publishers. Dordrecht, The Netherlands. 281- 304. DOI: https://doi.org/10.1007/0-306-48135-9_11
Garg, N. and Jasleen, 2004. Variability in response of Chick pea (Cicer arietinum L.) cultivars to salt stress in germination and early growth of the seedlings. Indian Journal of Plant Physiology, 9(1): 21-28.
Hedge, J. E. and Horfreiter, R. D., 1962. In: Carbohydrate Chemistry 17 (ed.) Whister R.L. and Be Miller, J.N. Academic Press, New York.
Jackson, M. L., 1962. Soil chemical analysis, Prentice Hall, Inc. England.
Tuba Z., 1987. Method for determination of the entire photosynthetic pigment composition of bryophytes. In: H. Rudolph and E. Hartman (eds). Abstract Bryological Methods Workshop: 118-119.
Veerappa, N.S and Samy D. L., 1999. Zinc ion toxicity and its alleviation by Manganese and Cu ions in Maize Seedlings (Zea may L.) with special reference to Nitrate Reductase Activity. Physiology and Molecular Biology of Plants, 5: 63-66.