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不同群体马尾松核型分化式样
方永鑫; 陆震;
1.上海师范大学生物系;2.上海师范大学生物系 上海;3.上海
摘要:
马尾松(Pinus massoniana Lamb.)是我国分布最广,数量最多的一个树种。近年来对马尾松核型做了不少研究,但结果不尽一致。究其原因:一是取材产地和方法不同,有从单株上取材,有从多株混合种子作试材;二是取材产地局限。马尾松分布南自广西南部,东至福建东北部,西到四川东部大相岭东坡,北达安徽大别山以南及陕西汉水流域以南,沿海长江中下游分布在海拔700米以下,在西部地区可达海拔1500米以上。在这样广
关键词:  广西南部  大相岭  染色体臂比  四川东部  单株  东至  汉水流域  着丝点  东坡  自由授粉  
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