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- [45] SCLEROTIAL FORMATIONS BY HELMINTHOSPORIUM MAYDIS RACE-T ON CORN SEED PLANT DISEASE REPORTER, 1971, 55 (09): : 755 - +
- [46] PERMEABILITY CHANGES INDUCED BY HELMINTHOSPORIUM-MAYDIS, RACE T, TOXIN CANADIAN JOURNAL OF BOTANY, 1972, 50 (11): : 2167 - &
- [48] CROSS-PROTECTION BY RACE O AGAINST RACE T OF HELMINTHOSPORIUM-MAYDIS PLANT DISEASE REPORTER, 1973, 57 (11): : 971 - 973