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Effect of gibberellic acid on nitrate utilization inSesamum indicum seedlings

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Proceedings / Indian Academy of Sciences

Abstract

Effect of gibberellic acid was studied on nitrate utilization inSesamum seedlings grown under continuous light in standard mineral medium. Gibberellic acid treatment markedly inhibited nitrate uptake and its reduction. Sucrose 2% (w/v), when added in the incubation medium, significantly reversed this inhibition. Further, sugars and chlorophyll contents were also low and Hill-reaction activity recorded inhibition in GA3 treated seedlings. The poor uptake and reduction of nitrate is a result of low level of tissue sugars in gibberellic acid treated seedlings.

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Authors and Affiliations

  1. Plant Physiology Laboratory, Botany Department, Garhwal University, 246 174, Srinagar Garhwal, India

    D P Bashist

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  1. D P Bashist
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Bashist, D.P. Effect of gibberellic acid on nitrate utilization inSesamum indicum seedlings. Proc. Indian Acad. Sci. 98, 419–424 (1988). https://doi.org/10.1007/BF03053444

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  • DOI: https://doi.org/10.1007/BF03053444

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