Toxins produced by Pseudomonas glumae.

Abstract

Two colnpounds which were identifiedas fervenulinand toxofiavinwere jsoiatedas toxins producedby Pseudomonas glumae ，the causal agent of bacteria弖grain rot of rice ．These toxins produced a chlorotic spot on leaves of rice seedlings at a concentration of about 10 ptgtmlor more ． 〔t was also observed that the growth of leavesand roots of rice seedlings was rcduced when they were treated with these toxins ，