A total of 25 isolates of Alternaria sp.from different localities and host plants were amplified with 6 RAPD primers selected from 50 primers.69 RAPD markers were obtained,62 of them were varied.89.86% of them were po...A total of 25 isolates of Alternaria sp.from different localities and host plants were amplified with 6 RAPD primers selected from 50 primers.69 RAPD markers were obtained,62 of them were varied.89.86% of them were polymorphic.The genetic distance and phylogenetic tree were constructed by use of PopGen32.Isolates were divided into 7 groups.The results showed that genetic divergence of all strains were closely related to their host plants and localities.展开更多
文摘A total of 25 isolates of Alternaria sp.from different localities and host plants were amplified with 6 RAPD primers selected from 50 primers.69 RAPD markers were obtained,62 of them were varied.89.86% of them were polymorphic.The genetic distance and phylogenetic tree were constructed by use of PopGen32.Isolates were divided into 7 groups.The results showed that genetic divergence of all strains were closely related to their host plants and localities.
