浙江省棉花种植多集中在杭州湾沿岸海涂棉地,历年来棉虫发生种类多,虫情复杂,皮棉损失严重。长期大量施用化学农药导致棉铃虫等主要棉虫的抗药性日趋突出,增加了防治难度,种植抗虫品种已引起棉农们的重视。江苏泗阳棉花原种场培育的泗棉3号经品种区试,表明产量高,抗逆性好,成铃 Zhejiang Province, cotton planting and more concentrated in the coast of Hangzhou Bay coastal cotton, over the years the occurrence of many types of insects, insect complex, serious loss of lint. Long-term large-scale application of chemical pesticides lead to cotton bollworm and other major cotton insects have become increasingly prominent, increasing the difficulty of control, planting insect-resistant varieties have attracted the attention of cotton farmers. Siyang No.3 cotton cultivated in the original cotton field of Siyang County, Jiangsu Province, showed high yield, good resistance,