【摘要】 本文报导了用中育一号、中育六号、郑州三号等二倍体西瓜品种为试材,用0.2％、0.3％、0.4％的秋水仙素溶液处理种子及幼苗,经过人工诱变而诱发出了36个四倍体诱发系,并对它们进行了严格的形态学鉴定,细胞染色数目观察,叶结构细胞分析,过氧化物酶同工酶分析,果实及果肉性状分析,种子性状分析以及无籽西瓜生产试验等系列程序,选育了具有优质、高产、果皮薄、肉质好、抗病力及生长势强的85(1)—04—2、85(1)—03—2、85(1)—03—1B等四倍体西瓜新品系,为生产无籽西瓜提供了新的亲本。更多还原

【Abstract】 Thirty six induced tetraploid lines of watermelon were obtained by treating the seeds and seedlings of the diploid watermelon species including Zhongyu 1, Zhongyu 6 and Zhenza 3, with colchicine solutions. Three of them were selected for seedless watermelon production.更多还原