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Volume 2 No. 1, 2012
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Insight Biochemistry
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Volume 2 Issue 1, 2012
Soluble Protein, Nitrate Reductase Activity and Yield Responses in Cotton Genotypes under Water Stress
K. Ananthi
and
H. Vijayaraghavan
Abstract:
In general, stress imposed at squaring seems to be much sensitive in terms of biochemical parameters studied.
Background:
Soluble protein reduced under drought The NRase observed to increase when there was a stress.
Results:
Cotton genotypes possessing drought tolerance requires thorough understanding of physiological and yield component traits which directly or indirectly plays an important role in influencing the yield. If, traits for drought tolerance could be identified and contributing significantly to yield, they could prove as alternative selection criteria in yield improvement program. Soluble protein constitutes 40% of RuBP carboxylase (RuBP case), an enzyme responsible for CO
2
fixation in leaves of higher plants. RuBisCO activity reduced under drought. A study was conducted to determine the biochemical and yield responses to water stress in cotton. The experiment was conducted by adopting Factorial Randomized Block Design with three replications. The treatments comprised of water stress imposed at vegetative, squaring and boll development stages of crop growth. The plants submitted to stress suffered an decrease in the amount of soluble protein and yield content.
Conclusion:
Evaluated and compared water stress effects on soluble protein, NRase and yield of cotton genotypes, as well as reveal which genotypes better adopts to water stress conditions using these parameters.
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How to Cite:
K. Ananthi
and
H. Vijayaraghavan , 2012. Soluble Protein, Nitrate Reductase Activity and Yield Responses in Cotton Genotypes under Water Stress. Insight Biochemistry, 2: 1-4
DOI:
10.5567/BIOCHEM-IK.2012.1.4
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