Advances in Molecular Breeding Toward Drought and Salt by Matthew A. Jenks, Paul M. Hasegawa, Shri Mohan Jain

By Matthew A. Jenks, Paul M. Hasegawa, Shri Mohan Jain

Plant pressure as a result of drought and salinity are one of the significant constraints on crop creation and meals defense around the world. Breeding courses to enhance crop yield in dry and saline environments have advanced slowly because of our restricted realizing of the underlying physiological, biochemical, developmental, and genetic mechanisms that ascertain plant responses to those types of tension, in addition to to technical problems in combining favorable alleles to create the enhanced excessive yielding genotypes wanted for those environments. Advances in Molecular Breeding towards Drought and Salt Tolerant plants seeks to combine the newest findings approximately key organic determinants of plant tension tolerance with glossy crop development concepts. This quantity is exclusive simply because is presents tremendously huge assurance of present wisdom and services being utilized in drought and salt tolerance study, spanning the clinical hierarchy from body structure, biochemistry, improvement, and genetics, to the latest applied sciences getting used to govern drought and salinity linked features for germplasm development. This booklet can be a useful reference for educators and researchers in agronomy and horticulture, crop breeding, molecular genetics, and biotechnology.

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E. related to salinity) stresses. This controversial finding, however, does not imply that these stresses are additive in all situations (Shani and Dudley, 2001). For example, Meiri (1984) concluded that the matric potential preferentially affected the shoot growth of bean more than did the osmotic potential. Shalhevet and Hsiao (1986) also found that pepper and cotton were affected more by water stress than by salinity at equivalent reductions in soil-water potential. e. water uptake and transpiration) that must be considered as well (Maas and Grattan, 1999).

Marcel Dekker, New York, pp. 303–319. , Epstein E. and A. Läuchli. 1988. Kinetics of root elongation of maize in response to short-term exposure to NaCl and elevated calcium concentration. J. Exp. Bot. 39:1513–1522. R. and A. Läuchli. 1986. Ion activities in solution in relation to Na+ - Ca 2+ interactions at the plasmalemma. J. Exp. Bot. 37:321–330. , Läuchli A. and E. Epstein. 1986. Effects of NaCl and CaCl2 on ion activities in complex nutrient solutions and root growth of cotton. Plant Physiol.

For example, Meiri (1984) concluded that the matric potential preferentially affected the shoot growth of bean more than did the osmotic potential. Shalhevet and Hsiao (1986) also found that pepper and cotton were affected more by water stress than by salinity at equivalent reductions in soil-water potential. e. water uptake and transpiration) that must be considered as well (Maas and Grattan, 1999). For example, plant response to these stresses under conditions of low evaporative demand is likely to be different than that observed under high evaporative demand since the matric and not the osmotic potential controls water flow to the roots from the surrounding soil.

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