Seasonal changes of the pathogenic races of pyricularia oryze cav. at the IRRI blast nursery [microform]

Seasonal changes of the pathogenic races of pyricularia oryze cav. at the IRRI blast nursery [microform]

Bibliographic Details
Main Author: Quamaruzzaman, Mohammad 1942-
Format: Visual Material
Published: Quezon City Photoduplication Service. University of the Philippines Library 1977.
Subjects:
Rice > Diseases and pest.