Search Results       Your search for [author]Cortado, Rosendo Valdez, 1931- returned 1 record.           Survey, identification and pathogenicity tests of nematodes associated with tobacco grown in northern Luzon [microform]. by Cortado, Rosendo Valdez, 1931-; Quezon City: Photoduplication Service. University of the Philippines Library, 1977. Subject: Tobacco -- Cagayan Valley; Tobacco -- Ilocos region; Tobacco -- Diseases and pest; Nematode diseases of plants.          Add to Book Cart Relevance: 33.80%