摘要
对９个小麦品种群体进行了细胞学观察。结果表明，４．５３％的细胞含有至少一对不配对的染色体，２．３１％的细胞里，染色体偏离正常的数目。显然，这种自然的不规则性可能导致非整倍体后代的产生。３．５７％的细胞发生了易位，群体的２．
Cytology was observed in nine wheat varietal populations.The results showed that 4.53% of PMCs contained at least one unpaired of chromosomes and 2.31% of PMCs had a chromosome number deviating from their normal numbers.Clearly irregularities of this nature could lead to the production of aneuploid offspring.3.57% of PMCs took place the translocation.2.22% of the populations were monosomic plants.
出处
《西北植物学报》
CAS
CSCD
1999年第2期204-207,共4页
Acta Botanica Boreali-Occidentalia Sinica
基金
青海省科委资助
关键词
小麦
减数分裂
染色体构型
自然变异
细胞学
wheat varieties
meiosis
chromosomal configuration
natural variance
