Effect of applied nitrate on growth and N2-fixation in Cicer arietinum L.

Sawhney, Veena ; Amarjit, ; Singh, R. (1985) Effect of applied nitrate on growth and N2-fixation in Cicer arietinum L. Plant and Soil, 86 (2). pp. 233-240. ISSN 0032-079X

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Official URL: http://www.springerlink.com/index/3PL56MKNX547Q240...

Related URL: http://dx.doi.org/10.1007/BF02182898

Abstract

Application of nitrate, either weekly or at the time of nodulation and pod-filling, significantly retarded nodule development and exerted a delay effect on the rate of N2-fixating. However, after a certain period of time, its effect on nitrogenase became less conspicuous. Nitrate enhanced nitrate reductase activity in leaves as well as in nodules. At the initial stages, nitrate treated plants accumulated dry mass at a higher rate than those growing exclusively on atmospheric nitrogen. Nitrate induced premature senescence of plants towards the final stages of growth and lowered both the seed number per plant as well as weight of individual seed.

Item Type:Article
Source:Copyright of this article belongs to Springer.
Keywords:Cicer Nitrate Application; Nitrate Reductase; Nitrogenase; Nodulation
ID Code:84522
Deposited On:27 Feb 2012 04:03
Last Modified:27 Feb 2012 04:03

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