4组形态相似川茶花品种的分子鉴别

Journal of Fujian Forestry Science and Technology(2012)

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Abstract
采用ISSR分子标记,对重庆南山植物园中花色、花型十分相似的4组10个川茶花品种进行分子鉴别。从23条引物中筛选出5条谱带清晰、重复性好的引物用于PCR扩增,共获得72条谱带,其中64条谱带呈现多态性,多态位点百分率为88.89%。利用5条引物所建立的DNA指纹图谱显示,第Ⅰ组的氅盔和吊金钟是2个独立的品种;第Ⅱ组的胭脂莲、胭脂鳞和鱼鳞甲是3个独立的品种;第Ⅲ组的泸州大红和泸州二红也是2个不同的品种;第Ⅳ组的红佛鼎与紫金冠、似紫冠可以区分,但后两者难以区分,很可能就是同一个品种。
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Key words
ISSR,Camellia japonica L.,species identification
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