The effect of water stress on nitrogen metabolism of horsegram Dolichos biflorus L.

Acta Societatis Botanicorum Poloniae

Ashok S. Nigwekar¹  Prakash D. Chavan² 

[1] Bhogawati College;Shivaji University;

关键词: horsegram;    Dolichos biflorus;    water stress;    nitrogen metabolism;    proline;    amino acids;    nitrate reductase;   

DOI  :  10.5586/asbp.1990.007

来源: DOAJ

【 摘 要 】

Horsegram plants were raised in terule soil in earthen pots and subjected to various durations of water stress (7, 14 and 21 days). Total nitrogen contents were reduced in water-stressed plants but differently in different plant parts. Nitrate content and nitrate reductase activity decreased with stress. This species possesses a good capacity for accumulation of free proline under water stress. Analysis of amino acid composition also revealed marked changes in the levels of various amino acids in water-stressed plants. Accumulation of γ-aminobutyric acid in water-stressed plants was observed.

【 授权许可】

Unknown