选用爱字棉系统、PD系统和 L2 352亲缘关系的后代作亲本 ,为高强力纤维主要种质源 ,我省自育抗黄萎病材料作亲本 ,通过大量选配杂交新组合 ,进行复交和回交 ,创造有利新变异类型 ,强化低代材料个体病虫抗性筛选鉴定 ,获得品质和抗性不断巩固提高 ,进行南繁北育加速世代 ,稳定新 Selection of love cotton system, PD system and L2352 offspring as the parent, is the main source of high-strength fiber germplasm resources in our province as a parent material against Verticillium wilt, through a large number of new combinations of hybrid selection, Backcross, creating favorable new mutation types, strengthening screening and identification of pest and disease resistance of individuals with low generation of materials, continuously improving quality and resistance, accelerating generations of south-south north and stabilizing new