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在对亚比棉异源四倍体[A2A2G1G1]研究的基础上,对亲本[A2×(AD)1]和三元杂种[A2A2G1G1]×[A2×(AD)1]进行了形态学和核型分析。形态学分析表明:在23个性状当中,有26.1%的性状趋向于母本,有13.1%的性状趋向于父本,21.7%的性状为与父母本相同的性状,13.1%的性状表现为中间性状,26.0%的性状表现为超亲性状。核型分析表明:异源多倍体[A2×(AD)1]体细胞染色体数目为2n=4x=52,核型公式为2n=4x=52=50(2SAT)+2sm属1B型;三元杂种[A2A2G1G1]×[A2×(AD)1]体细胞染色体数目为2n=4x=52,核型公式为2n=4x=52=40m(4SAT)+12sm(2SAT)属2A型。
Based on the studies of allotetraploid [A2A2G1G1] in Arabidopsis, the morphological and nuclear characteristics of the parents [A2 × (AD) 1] and the ternary hybrids [A2A2G1G1] × [A2 × (AD) 1] Type analysis Morphological analysis showed that among the 23 traits, 26.1% traits tended to be female, 13.1% traits tended to be male, 21.7% traits were the same as parents, and 13.1% traits were in the middle Traits, 26.0% of the traits showed super-trait. The karyotype analysis showed that the number of somatic chromosomes in the heterologous polyploid [A2 × (AD) 1] was 2n = 4x = 52 and the karyotype was 2n = 4x = 52 = 50 (2SAT) The chromosome number of the hybrid [A2A2G1G1] × [A2 × (AD) 1] is 2n = 4x = 52 and its karyotype is 2n = 4x = 52 = 40m (4SAT) + 12sm (2SAT).