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为了贯彻执行毛主席“备战、备荒、为人民”的伟大战略方针,努力把粮食管好,不受储粮害虫危害。我们用50％辛硫磷乳剂,进行空仓消毒杀虫试验。结果表明:辛硫磷对米象、赤拟谷盗、锯谷盗、长角谷盗、谷蠹、烟草甲、米扁虫、粉斑螟蛾和米黑虫幼虫等害虫均有良好杀虫效果,现汇报如下: 一、室内药效试验 1.研究辛硫磷对害虫致死浓度与残效:50％辛硫磷加水稀释成0.5％、0.2％、0.1％和0.05％四种浓度的水溶液。采用玻璃缸在缸底铺垫滤纸,玻璃缸的滤纸、缸壁分别涂上不同
In order to implement Chairman Mao’s great strategic guideline of “preparing for war, preparing for war and for the people,” efforts have been made to manage the grain well and not be jeopardized by stored grain pests. We use 50% phoxim emulsions for sterilized insecticide. The results showed that phoxim had a good insecticidal effect on pests such as rice plant, red tarragon, sawdust, longhorn beetle, tobacco borer, tobacco beetle, flat beetle, powder moth and rice black larvae , Are reported as follows: First, the indoor efficacy test 1. Study phoxim lethal concentration and residual effects: 50% phoxim diluted with water into 0.5%, 0.2%, 0.1% and 0.05% of the four concentrations of aqueous solution. Glass tank in the bottom of bedding filter paper, glass tank of filter paper, respectively, coated with different cylinder wall