原来搞水稻有性杂交,用热水瓶装温水杀雄,这样对矮秆品种不利,往往会折断穗颈,同时操作不方便,速度又慢。安徽省桐城县农科所利用热气杀雄的原理,自制了玻璃套管杀雄器。选用容水量2斤的盐水瓶一只和玻璃试管一根,将瓶套住试管,使管口与瓶口对齐,再用丙酮溶解碎塑料片,封住管口与瓶口之间的空 The original sexual hybrid rice, with warm water bottles to kill male, so unfavorable dwarf varieties, tend to break the neck, at the same time inconvenient to operate, slow and slow. Tongcheng County, Anhui Province, agricultural use of hot air to kill the principle of self-made glass casing kill the device. Use a volume of 2 kg of salt water bottle and a glass test tube, the bottle test tube, the nozzle alignment with the bottle, and then dissolve broken pieces of plastic plastic, sealing nozzle and the empty between the bottleneck