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The studies on the karyotype diversity of 4 species of Liliaceae in Ziwu Mountain
Author(s): 
Pages: 882-888
Year: Issue:  5
Journal: ACTA BOTANICA BOREALI-OCCIDENTALIA SINICA

Keyword:  子午岭百合科染色体核型;
Abstract: 对子午岭产百合科黄精属大苞黄精(P.megaphyllum)、玉竹(P.odoratum),百合属的细叶百合(L.pumilum),葱属的糙葶韭(A.anisopodium)4种植物进行了染色体研究.其染色体数目和核型分别为:玉竹2n(2x)=20=12m(2SAT)+8sm,核型为2B型;大苞黄精2n(2x)=22=4m+12sm+6st,核型为3B型;细叶百合2n(2x)=24=4m+10st+10t,核型为3A型;糙葶韭2n(2x)=16=12m+2sm+2st(2SAT),核型为2A型.百合科植物染色体数目和结构类型多样,所研究的4种植物出现4种核型,有2B、3B、2A、3A,核型的不对称性明显.对核型多样性与地理分布的关系进行了讨论.
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