新疆农校多年繁殖的白尖叶莴笋种子在生产中抽苔晚、节间密、无侧枝、茎粗而长、不烈口、抗病性强 ,是适于广大农户种植的优良品种 ,我们在该品种的制种过程当中 ,总结了一套高产优质制种技术 ,现分述如下 :一、采种地选择 :选择肥力中、下等地块进行繁种 ,过肥的地易造成茎粗 Xinjiang farmers school for many years breeding white-leafed lettuce seeds in the production of bolting late, dense internodes, no side branches, stems and long, not fierce mouth, disease resistance, is suitable for the cultivation of the vast families of fine varieties, we In the process of seed production, summed up a high-yielding high-quality seed production technology, are described as follows: First, seed selection to choose: fertility, the next block for breeding, overly fat to easily lead to stem thick