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Genetic study of melanin in Magnaporthe grisea

LUO Chao xi,LI Jin bin,LI Cheng yun (Yunnan Academy of Agricultural Sciences,Kunming 650205,China)  
Genetic study of melanin producing in Magnaporthe grisea was made by utilizing cross 6307 which had a great disparity of the ability of melanin producing between two parent isolates.Results showed that melanin producing was controlled by a single gene. The hyphal fusion between 6307R 9 (dark grey or black)and 6307R 10(white)showed that new isolates altered in melanin producing were formed easily.Meanwhile,the melanin producing of 241 isolates from four crosses further identified that melanin producing was controlled by one gene and their heredity accorded with the regulation of gene separation.
【Fund】: 云南省自然科学基金
【CateGory Index】: S435.111
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