Toxins produced by Pseudomonas glumae.

Abstract

Two compounds which were identified as fervenulin and toxoflavin were isolated as toxins produced by Pseudomonas glumae, the causal agent of bacterial grain rot of rice. These toxins produced a chlorotic spot on leaves of rice seedlings at a concentration of about 10μg/ml or more. It was also observed that the growth of leaves and roots of rice seedlings was reduced when they were treated with these toxins.