Penetration and infection of corn by Duccinia polysora underwent [microform] - Oro, Rosalinda Santiago 1941- (Quezon City Photoduplication Service. University of the Philippines Library, 1977)
Microfilmed with 15 other titles.
Thedid (M.S.)
Originally published in College, Laguna, 1970.
Keywords: Maize -- Diseases and pests