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Article10.1023/a:1017959429783

Effect of Elevated CO2 Concentration on Leaf Structure of Brassica Juncea under Water Stress

Dinesh Chandra Uprety,Neeraj Dwivedi,Rajat Mohan,G. Paswan-2001-03-01-Biologia Plantarum
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TL;DRAbstract

Study on the effect of elevated CO2 concentration on leaf structure of Brassica juncea L. cv. Bio-141 (95) under moisture stress revealed, that CO2 elevated to 600 μmol mol-1 increased the length of epidermal cel and length of palisade parenchyma cells, and induced larger chloroplasts and more oval shaped starch granules in comparison with plants grown at ambient CO2 concentration. This increase in structural sink size helped in check feedback inhibition by excessive photoassimilate which was subsequently used to compensate the adverse moisture stress effect in B. juncea leaves.

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Study on the effect of elevated CO2 concentration on leaf structure of Brassica juncea L. cv. Bio-141 (95) under moisture stress revealed, that CO2 elevated to 600 μmol mol-1 increased the length of epidermal cel and length of palisade parenchyma cells, and induced larger chloroplasts and more oval shaped starch granules in comparison with plants grown at ambient CO2 concentration. This increase in structural sink size helped in check feedback inhibition by excessive photoassimilate which was subsequently used to compensate the adverse moisture stress effect in B. juncea leaves.

Keywords

BrassicaMoisture stressStarchBotanyBiologyWater contentMoistureChemistry

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