中日美栗疫病菌群体遗传结构比较

doi:10.11707/j.1001-7488.20040521

Scientia Silvae Sinicae ›› 2004, Vol. 40 ›› Issue (5): 127-131.doi: 10.11707/j.1001-7488.20040521

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Comparison of Genetic Structures among Cryphonectria parasitica Populations from China,Japan and the USA

Wang Kerong,Zhou Yang,MG Milgroom

Department of Plant Pathology, Nanjing Agricultural University Nanjing210095；Department of Plant Pathology, Cornell University NY14853

Received:2002-10-10 Revised:1900-01-01 Online:2004-09-25 Published:2004-09-25

Abstract

Abstract:

The genetic structures of chestnut blight fungus, Cryphonectria parasitica, among 26 subpopulations including 757 isolates, from populations of China, Japan and the USA, were analysed with DNA RFLP. The results showed that the subpopulations from China were significantly subdivided while those from Japan were not. There is currently no gene flow between populations of Asia and of the USA; both population structures of the USA and Japan were related more closely than those of Japan to China.

Key words: Chestnut blight fungus, Population, Genetic struture, RFLP

Wang Kerong;Zhou Yang;MG Milgroom. Comparison of Genetic Structures among Cryphonectria parasitica Populations from China,Japan and the USA[J]. Scientia Silvae Sinicae, 2004, 40(5): 127-131.

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Comparison of Genetic Structures among Cryphonectria parasitica Populations from China,Japan and the USA

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