Cross resistance in selected rice varieties to four species of stem borers [microform] - Yesu Das, T. 1938- (Quezon City Photoduplication Service. University of the Philippines Library, 1977)
Microfilmed with 20 other titles.
Thesis (M.S.)
Originally published in College, Laguna, 1969.
Keywords: Rice -- Varieties; Rice -- Diseases and pest resistance