植物染色体数目及其变异与生境关系初探

被引:14
作者
王琼
苏智先
宋会兴
汤泽生
机构
[1] 四川师范学院生物多样性研究中心
[2] 四川师范学院生物多样性研究中心 南充
[3] 南充
关键词
plant; chromosome number; polyploidy; B chromosome; ecological factor; correlative analysis;
D O I
10.13292/j.1000-4890.2001.0090
中图分类号
Q948.11 [植物与非生物环境];
学科分类号
071012 ; 0713 ;
摘要
Based on the data collected on chromosome number of 1027 species and ecological environment of plants,the relationships between environmental factors and the changing rules of chromosome number,polyploidy,B chromosome were discussed.The results showed that under different light,moisture content and soil conditions,the chromosome number of plant is different in multiformity,variation extent and the highest frequency.The frequency of polyploid is relative to habitats and growing habits.The plant with B chromosome is often distributed over the subtropics and humid environment.
引用
收藏
页码:8 / 11
页数:4
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