The genetic base that cotton breeders commonly use to improve Upland cultivars is very narrow.The AD-genome species Gossypium barbadense,G.tomentosum,and G.mustelinum are part of
In this paper,comprehensively studied inhabit environments,population size,population density and distribution regions on wild yak,the results showed that genetic resource of wild yak has been decreased from 1950'...In this paper,comprehensively studied inhabit environments,population size,population density and distribution regions on wild yak,the results showed that genetic resource of wild yak has been decreased from 1950'to 1980',after that,and its genetic resource began to show increasing trend in nature reserves due to protection measures strengthened.展开更多
文摘The genetic base that cotton breeders commonly use to improve Upland cultivars is very narrow.The AD-genome species Gossypium barbadense,G.tomentosum,and G.mustelinum are part of
文摘In this paper,comprehensively studied inhabit environments,population size,population density and distribution regions on wild yak,the results showed that genetic resource of wild yak has been decreased from 1950'to 1980',after that,and its genetic resource began to show increasing trend in nature reserves due to protection measures strengthened.