Download Abiotic Stress Physiology of Horticultural Crops by N.K. Srinivasa Rao, K.S. Shivashankara, R.H. Laxman PDF

By N.K. Srinivasa Rao, K.S. Shivashankara, R.H. Laxman

This booklet brings jointly fresh advances within the quarter of abiotic rigidity tolerance in a number of greens, fruit plants, plantation plants and tuber vegetation. the most demanding situations to bettering the productiveness of horticultural plants are the differing kinds of abiotic stresses commonly because of weather switch on the nearby and international point. warmth, drought, chilly and salinity are the foremost abiotic stresses that adversely impact progress and productiveness and will set off a sequence of morphological, physiological, biochemical and molecular adjustments in numerous horticultural vegetation. thus far, there aren't any books overlaying horticultural crop-specific abiotic rigidity tolerance mechanisms and their administration. Addressing that hole, the booklet is split into 2 sections, the 1st of which highlights fresh advances within the normal facets of abiotic rigidity tolerance just like the function of hormones, reactive oxygen species, seed remedies, molecular mechanisms of warmth tolerance and heavy steel toxicity, whereas the second one specializes in the abiotic pressure tolerance mechanisms of varied greens, fruit plants, plantation vegetation and tuber vegetation. It comprises entire discussions of fruit plants like mango, grapes, banana, litchi and arid region end result; greens plants like tomato, capsicum, onion and tuber vegetation; and plantation vegetation like coconut, areca nut, oil palm and black pepper. one of the suggestions for plant tension survival, examples of either avoidance and tolerance suitable to specific vegetation are tested intimately, supported through chosen complete case stories of development. As such, the ebook bargains a invaluable source suited to scientists and graduate scholars operating within the fields of crop development, genetic engineering, and the abiotic pressure tolerance of horticultural vegetation.

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Rajasekaran and Blake (1999) found delay in stomatal closure induced by drought stress following homobrassinolide treatments. Brassinosteroids are also found effective in modulating salinity stress as evident from improvements in plant tolerance by epibrassinolide treatment. K. Upreti and M. Sharma protective action against stress-induced oxidative damage of membrane lipids and induction in antioxidant enzymes (Ozdemir et al. 2004; Ali et al. 2007; Hayat et al. 2010). Similarly, Ding et al. (2012) witnessed improvement in salt tolerance by epibrassinolide in eggplant.

25 Blackman and Davies (1983) revealed that zeatin alone did not affect stomatal opening, but partially reverse ABA-induced stomatal closure. In contrast, zeatin riboside or kinetin decreased stomatal opening and had no effect on ABA-induced stomatal closure. 4 Gibberellins Gibberellins are tetracyclic diterpenoid carboxylic acid, which influence growth and various developmental processes, such as elongation, germination, dormancy, flowering, sex expression, enzyme induction, and leaf and fruit senescence.

It also increases water absorbing area of roots and helps the plants transport more water and nutrient under stress situations. Stress conditions in plants induce metabolic alteration resulting in synthesis and/or accumulation of a wide range of proteins (Pareek et al. 1996; Cohen and Bray 1990; Piatkowiski et al. 1990; King et al. 1992; Yokota et al. 2002). K. Upreti and M. Sharma and stress tolerance mechanism (Borkird et al. 1991). Studies have shown the activation of some proteins by drought and salinity stress as well as by ABA.

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