Induction of Root Nodule Senescence by Combined Nitrogen in

Abstract

Root nodule senescence induced by nitrate and ammonium in Pisum sativum L. was defined by determining nitrogenase activity and leghemoglobin content with the acetylene reduction and pyridine hemochrome assays. Root systems supplied with 100 mM KNO3 or 100 mM NH4CI exhibited a decrease in nitrogenase activity foUlowed by a decline in leghemoglobin content… (More)

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Cite this paper

@inproceedings{ChenInductionOR, title={Induction of Root Nodule Senescence by Combined Nitrogen in}, author={P Chen and Donald A. Phillips} }