Download Abiotic Stress Adaptation in Plants: Physiological, by Ashwani Pareek, S.K. Sopory, Hans J. Bohnert, Govindjee PDF

By Ashwani Pareek, S.K. Sopory, Hans J. Bohnert, Govindjee

Environmental insults comparable to extremes of temperature, extremes of water prestige in addition to deteriorating soil stipulations pose significant threats to agriculture and foodstuff safety. utilizing modern instruments and strategies from all branches of technology, makes an attempt are being made around the globe to appreciate how vegetation reply to abiotic stresses with the purpose to aid manage plant functionality that may be greater fitted to face up to those stresses. This publication on abiotic rigidity makes an attempt to go looking for attainable solutions to a number of uncomplicated questions with regards to plant responses in the direction of abiotic stresses. awarded during this ebook is a holistic view of the overall ideas of pressure conception, sign transduction and rules of gene expression. extra, chapters learn not just version platforms yet extrapolate interpretations got from types to plants. finally, discusses how stress-tolerant crop or version crops were or are being raised via plant breeding and genetic engineering methods. Twenty 3 chapters, written by means of overseas specialists, combine molecular information with total plant constitution and body structure, in a text-book type, together with key references.

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Extra resources for Abiotic Stress Adaptation in Plants: Physiological, Molecular and Genomic Foundation

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Edu/~chm333/2004/Bioremediation/images/Desulfovibrio). See Chapter 15, p 311.  16. Schematic diagram of the modified diallel selective mating system (DSMS) involving marker-assisted selection (MAS) adapted from Singh et al. 2008). See Chapter 18, p 400.  17. Nutrient culture solutions based on seedling stage screening system for salinity tolerance in rice: (a) breadbox with perforated lid; (b) floats with holes and nylon mesh; and (c) pregerminated seeds placed in floats. See Chapter 18, p 402.

The normal physiology of the plant gets affected and plant maturity is accelerated. In some cases, plants shed leaf/flower/fruit or dry-up non productive tillers and even become sterile to overcome the unprecedented stress. In practical agriculture, such heat stress inflicts enormous crop losses. Due to global weather change, the frequency of heat stress is predicted to increase in different parts of the world. Rates of photosynthesis and respiration increase with an increase in temperature until a threshold maximum photosynthesis level is achieved.

3 1 Abiotic Tolerance and Crop Improvement B Projected Food Demands Abiotic stress, such as drought, flood, problem soils (salinity and alkalinity), extreme temperatures (especially at flowering and maturity times), chemical toxicity and oxidative stress are serious threats to agriculture and the environment. Increased salinity of arable land is expected to have devastating global effects, resulting in 30% land loss within the next 25 years, and up to 50% by the year 2050 (Food and Agriculture Organization 2006).

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