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化学杀雄是运用化学药剂使母本雄蕊失去育性的一种方法。水稻化学杀雄制种的特点是亲本选配自由、来源丰富,不受“三系”材料的限制。有些丰产性能好、抗病性强的品种,在不便于应用三系方法制种时,可用化学杀雄方法取得杂交种。目前,广东省及其他省、市使用的化学杀雄药剂有稻脚青(甲基胂酸锌)、甲基胂酸钠
Chemical killing is the use of chemicals to make female stamens lose fertility a method. The characteristics of rice chemical kill male system is that the parents are free to choose from, the source is rich, not subject to the “three lines” material restrictions. Some high-yielding performance, resistance to disease-resistant varieties, in the inconvenience of seed production using three lines, chemical kill male methods can be obtained hybrids. At present, Guangdong Province and other provinces, municipalities to use chemical killing agents are rice soaps (zinc arsenic acid), sodium cacodylate