Author： Sathiyabama M. Balasubramanian R.
Publisher： Springer Publishing Company
ISSN： 0959-3993
Source： World Journal of Microbiology and Biotechnology, Vol.14, Iss.5, 1998-10, pp. : 783-784
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Abstract
A water soluble glucan purified from the culture filtrate of Acremonium obclavatum, an antagonist to the groundnut rust, Puccinia arachidis, inhibited germination of uredospores of P. arachidis. Prior treatment of groundnut leaves with glucan prolonged the incubation period between inoculation and development of rust disease, and caused a decrease in the number of pustules and uredospores/sorus. Treated groundnut leaves showed an increase in endogenous salicylic acid, intercellular chitinase and -1,3 glucanase activities.
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