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金花茶染色体组型的观察
黄锦培; 邹琦丽;
1.广西师范学院生物系;2.广西植物研究所
摘要:
本文对金花茶(Camellia chrysantha(Hu)Tuyama)的染色体组型进行了初步观察。观察结果:染色体数目2N=30;染色体长度变化在3.34~6.63微米之间;其相对长度的变动范围是4.47~8.90%;臂比表明有11对中部着丝点,4对近中部着丝点,其中有2个随体。这些数据可为研究金花茶的起源、演化和培育金花茶新品种等方面提供细胞学依据。
关键词:  金花茶  染色体组型  近中部着丝点  变动范围  细胞学研究  茶属  染色体制片  根尖组织  Camellia  形态特征  
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