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Characteristics of nitrate uptake into seedlings of pea (Pisum sativum L. cv. Feltham First): changes in net NO3 uptake following inoculation with rhizobium, and growth in low nitrate concentrations

Chaffey, N and Deane-Drummond, C.E (1985) 'Characteristics of nitrate uptake into seedlings of pea (Pisum sativum L. cv. Feltham First): changes in net NO3 uptake following inoculation with rhizobium, and growth in low nitrate concentrations.' Plant, Cell and Environment, 8 (7). pp. 517-523. ISSN 1365-3040

Abstract

Nitrate uptake into intact pea seedlings (Pisum sativum L. cv. Feltham First) grown in hydroponic culture has been investigated. Following inoculation with Rhizobium leguminosarum a twofold increase in net nitrate uptake was observed. Changes in morphological characteristics following inoculation were found to decrease the effective area available for absorption. There was a two-fold decrease in net nitrate uptake into intact seedlings grown in the presence of N compared with N free media. In the former case net nitrate uptake appeared to stall at regular intervals. In both cases only the initial rates of nitrate uptake were found to be responsive to the external nitrate concentration. The results are discussed in terms of current models for the regulation of NO−3 uptake by higher plants.

Item Type: Article
Keywords: Pisum sativum; Rhizobium leguminosarum; nitrate uptake
Subjects: Q Science > QH Natural history > QH301 Biology
Q Science > QK Botany
Divisions: College of Liberal Arts
Date Deposited: 20 Jul 2015 12:26
Last Modified: 29 Apr 2016 14:12
URI: http://researchspace.bathspa.ac.uk/id/eprint/6378
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