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The abortive behaviour and the cytoplasm quality of cytoplasmic male-sterility(CMS)lines of homocaryon were investigated and the existence of C race of Bipolaris maydiswere discussed from the point of view of genetic breeding,physiology and pathology in this paper.Then the countermeasures to prevent the danger from disease of B. maydis in CMS hybrid pro-duction were proposed.
The abortive behavior and the cytoplasm quality of cytoplasmic male-sterility (CMS) lines of homocaryon were investigated and the existence of C race of Bipolaris maydiswere discussed from the point of view of genetic breeding, physiology and pathology in this paper. Chen the countermeasures to prevent the danger from disease of B. maydis in CMS hybrid pro-duction were proposed.