IDENTIFICATION OF THE PHYSIOLOGICAL RACES OF BLAST CAUSAL *AGENT IN GUILAN AND MAZANDARAN PROVINCES

Document Type : Short Article

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Abstract

Rice blast isolatesMagnapothe grisea from Guilan and Mazandaran provinces inoculated on eight international differential cultivars including Raminad str.3, Zenith, NP-125, Usen, Dular, Kanto 51, Sha-tiao-tsao-s, Calaro and five isogenic lines carrying major resistance genes to blast with their parents and the resistance or the susceptibility of the cultivars evaluated. Races IA-89, IA-90, IA-25 and IC-25 identified for Guilan province and IA-90 and IA-25 identified for Mazandaran province.

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