Influence of Waterlogging on Carbohydrate Metabolism in Ragi and Rice Roots

Effect of different durations of waterlogging (4, 8 and 12 days) stress on carbohydrate status and activities of some related enzymes in ragi and rice roots was studied. In both ragi and rice roots there was decrease in starch and total sugar content in response to waterlogging conditions. Activity...

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Bibliographic Details
Published in:Journal of stress physiology & biochemistry 2013-01, Vol.9 (2), p.199-205
Main Authors: Kulkarni, S S, Chavan, P D
Format: Article
Language:eng ; rus
Subjects:
Carbohydrate
Carbohydrate metabolism
Eleusine coracana coracana
Enzymes
Inorganic pyrophosphatase
Pyrophosphatase
Pyruvate kinase
Pyruvic acid
Ragi
Rice
Roots
Starch
Stress
Waterlogging
α-Amylase
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Summary:Effect of different durations of waterlogging (4, 8 and 12 days) stress on carbohydrate status and activities of some related enzymes in ragi and rice roots was studied. In both ragi and rice roots there was decrease in starch and total sugar content in response to waterlogging conditions. Activity of α amylase was decrease in ragi roots while opposite trend was noticed in case of rice roots. The activity of pyruvate kinase was markedly increased due to 4, 8 and 12 days waterlogging in ragi roots while such increase was noticed in rice roots due to 12 days stress. Treatment of waterlogging caused enhancement in the activity of alkaline inorganic pyrophosphatase in the roots of both ragi and rice.
ISSN:1997-0838
1997-0838