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甘肃萱草属植物的核型研究
孔红; 王庆瑞;
1.甘肃天水师专生物系;2.西北师大植物所 741018;3.兰州
摘要:
本文研究了甘肃萱草属6种、1变种的染色体核型;黄花菜K(2n)=22=12m+10sm(2SAT);小黄花菜K(2n)=22=10m+12sm;北萱草K(2n)=22=8m+14sm;北黄花菜K(2n)=22=14m+6sm+2st;萱草K(2n)=22=12m+8sm+2st;重瓣萱草K(2n)=33=18m+12sm+3st:折叶萱草K(2n)=22=10m+10sm+2st。以上核型可自然地分成两大类群,第一类群包括小黄花菜、北萱草、黄花菜;第二类群包括折叶萱草、萱草、重瓣萱草、北黄花菜。
关键词:  萱草属  染色体  核型  
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