EFFECT OF BENZOIC ACID AND ITS DERIVATIVES ON PLANT METABOLISM: 8. EFFECT OF CHLOROBENZOIC ACID DERIVATIVES ON THE NITROGEN METABOLISM OF STARVED AND SUCROSE-FED ETIOLATED BARLEY LEAVES
- 1 February 1964
- journal article
- Published by Canadian Science Publishing in Canadian Journal of Botany
- Vol. 42 (2) , 197-204
- https://doi.org/10.1139/b64-019
Abstract
Six-day-old etiolated barley leaves were kept for 24 hours in culture media containing different concentrations of o-, m-, and p-chlorobenzoic acids, in presence or absence of sucrose. CO2 output and sucrose uptake were markedly depressed while the nitrogen excretion was enhanced in presence of 0.01 M concentration of these substances. The three derivatives caused the hydrolysis of a part of the amide nitrogen to ammonia and (or) the proteins to peptides depending on the concentrations of the chemical and position of substitution. The possible explanations of the observed facts are discussed.Keywords
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