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 contemporary advances within the region of abiotic rigidity tolerance in a number of greens, fruit plants, plantation vegetation and tuber plants. the most demanding situations to enhancing the productiveness of horticultural plants are the differing kinds of abiotic stresses more often than not as a result of weather switch on the neighborhood and worldwide point. warmth, drought, chilly and salinity are the main abiotic stresses that adversely impact development and productiveness and will set off a sequence of morphological, physiological, biochemical and molecular adjustments in a variety of horticultural plants. up to now, there are not any books protecting 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 common points 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 makes a speciality of the abiotic pressure tolerance mechanisms of varied greens, fruit vegetation, plantation vegetation and tuber vegetation. It comprises accomplished discussions of fruit vegetation like mango, grapes, banana, litchi and arid sector end result; greens plants like tomato, capsicum, onion and tuber plants; and plantation vegetation like coconut, areca nut, oil palm and black pepper. one of the concepts for plant tension survival, examples of either avoidance and tolerance correct to specific plants are tested intimately, supported through chosen complete case reviews of growth. As such, the booklet bargains a invaluable source suited to scientists and graduate scholars operating within the fields of crop development, genetic engineering, and the abiotic tension tolerance of horticultural plants.

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Extra resources for Abiotic Stress Physiology of Horticultural Crops

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2007), and peach (George and Nissen 1992) under drought conditions. Upreti and Murti (2000) documented seed priming with mepiquat chloride effective in offering good germination in beans under osmotic stress conditions. Similarly, gibberellins play an important role in submergence tolerance of aquatic plants, and effect is mediated through the regulation of ethylene and ABA biosynthesis. The ethylene production under submergence conditions promotes gibberellin synthesis and inhibits ABA synthesis for plant acclimation by causing elongation growth (Colebrook et al.

These include the auxins and gibberellins that stimulate predominantly cell elongation; cytokinins, the purine bases that stimulate cell division; ethylene, the olefinic gaseous molecule that regulates among other plant event fruit ripening; and abscisic acid (ABA), the sesquiterpene that regulates senescence and abscission of plant parts and helps in maintenance of plant water relations. Besides these five classes of naturally existing PGR, the steroid hormones brassinosteroids and polyamines are also reported to exhibit growth-regulating activities in plants and are the topics of extensive researches.

Jeon et al. (2010) showed that the Arabidopsis histidine kinase (AHK) loss-offunction mutants ahk2/ahk3 and ahk3/ahk4 are 2 Role of Plant Growth Regulators in Abiotic Stress Tolerance more resistant to freezing temperatures than the wild type. Similarly, Kang et al. (2012) showed that all ahk mutants possess enhanced resistance to dehydration. Stomata play an important role in the control of water transpiration and gas exchange in plant leaves, and cytokinins are important in keeping stomata open by regulating ABA action (Veselova et al.

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