Host-specific genetic composition of Melampsora larici-epitea populations on two Salix viminalis varieties in a mixture trial
作者： B. Samils , A.R. McCracken , W.M. Dawson , U. Gullberg
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摘要: The genetic composition of Melampsora larici-epitea populations on two Salix viminalis varieties in monoculture and mixed stands was studied using amplified fragment length polymorphism (AFLP). A total 88 isolates collected from a large-scale mixture trial Northern Ireland were analyzed. Genetic analyses based for 63 AFLP markers. Differences M. between the S. indicated by all population characteristics used. In neighbor-joining analysis principal component analysis, same variety tended to group together. Analysis molecular variance substantial differentiation (ΦST = 0.20) differences genotypic non-random distribution clonal varieties. detection host specialization with selectively neutral DNA markers ascribed predominant asexual reproduction. No gene or diversity monoclonal found any
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