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长叶竹柏核型的初步研究
叶志云; 陈维新; 蔡玲;
1.广西林业科学研究所;2.广西林业科学研究所 南宁 530001;3.南宁 530001
摘要:
本文对长叶竹柏核型进行了初步研究,结果表明,长叶竹柏染色体的数目为2n=26。第8、10、11、13对染色体为中部着丝点染色体,其余9对均为近中部着丝点染色体,且在第2对染色体长臂上具次缢痕;按Stebbins的分类标准,属较对称的“zA”核型。其染色体的绝对长度范围为3.32—6.39μm,相对长度范围为5.33—10.26%。
关键词:  长叶竹柏  核型  
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