The RAPD and SSR molecular marker polymorphism loci and their ratio,genetic dispersion and heterozygosity,genotype number in 7 populations and intrapopulation gene differentiation were analyzed.

• 对7个陆地棉分子标记辅助轮回选择聚合育种和表型选择群体内的RAPD和SSR分子标记多态位点数及其比例,遗传离散度与杂合度,基因型种类数,不同群体间的遗传分化等进行研究。