金沙柚及其近缘种质基于SSR分子标记的遗传多样性分析
South China Fruits(2017)
Abstract
应用SSR分子标记对4份不同来源的金沙柚种质及4份金沙柚近缘种质的遗传多样性进行分析.结果表明,通过筛选的26对引物,共检测到等位基因92个,多态性为53.68%;每对引物可检测到的等位基因数目为2~8个不等,平均每对引物扩增出3.54个等位基因.8份种质的亲缘关系较近,相似系数为0.729~0.924.在相似系数为0.738时,8份种质可以被划分为金兰柚组和沙田柚组两个组.
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