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新种祁门过路黄的核型证据
邵剑文;张小平;
1.安徽师范大学生命科学学院;2.安徽师范大学生命科学学院 安徽芜湖241000;3.安徽省重要生物资源保护与利用研究重点实验室;4.安徽芜湖241000
摘要:
对新种祁门过路黄及其近缘种巴东过路黄和光叶巴东过路黄的核型在居群水平上进行了比较研究。结果表明这两种植物的核型特征在种内是稳定的,同一物种的不同居群间核型无明显差异。祁门过路黄的核型为2n=2x=24=6m+6sm+6st+6t;巴东过路黄和光叶巴东过路黄的核型均为2n=2x=24=6m+4sm+6st+8t;两物种间核型差异显著,核型特征支持将祁门过路黄作为新种处理。
关键词:  新种    核型    证据
DOI:
分类号:
Fund project:安徽省自然科学基金(98242017);; 安徽省教育厅自然科学研究基金(2005kj184);; 安徽师范大学科研专项基金(2004xzx07)资助~~
Abstract:
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