用秋水仙碱作诱变剂获得同源四倍体茄子 ,处理的最佳浓度为 1 % ;关键时期是幼苗生长至二叶一心期涂抹幼苗生长点 ;滴苗的适宜次数为 2次 ,即 A、D两处理比较好 ,其诱变率为 6.0 %～ 8.62 %。不同品种诱变效果不同 Autologous tetraploid eggplant was obtained by using colchicine as the mutagen, and the optimum concentration was 1%. The key period was the growth of seedling until the second leaf and the first phase of seedling growth. The appropriate number of drops was 2 times A, D two treatment is better, the mutation rate of 6.0% ~ 8.62%. Different varieties of mutagenic effect is different