防治油菜菌核病的新农药“氯硝胺”

• 出 处: 福建农业科技
• 发表日期: 1972年08期
• 关键词: 油菜菌核病 氯硝胺 油菜 汞制剂 农药研究所 硝基苯胺 再侵染 植保所 花瓣 药剂筛选

油菜菌核病是油菜生产上的一个主要病害,发生普遍,危害严重,过去用汞制剂防治,不但效果低,且有残毒。上海农药研究所试制成功“氯硝胺”(化学名称2.6—二氯—4硝基苯胺),一九六七年提供全国油菜菌核病药剂筛选网进行试验。上海市农业科学院土肥、植保所一九七一年观察分析,油菜菌核病发生,大都是通过带菌花瓣的脱落附着于油菜叶片后,再侵染为害叶片。因此,用药时主攻花瓣上的病菌,把病菌

Sclerotinia sclerotiorum is a major disease in the production of rape, common and serious harm, the past with the prevention and treatment of mercury preparations, not only low effect, and there is residual poison. Shanghai Institute of Pesticide successfully trial “Chloronitrobenzene ” (chemical name 2.6-dichloro-4 nitroaniline), in 1967 to provide national rape sclerotiorin drug screening network for testing. Shanghai Academy of Agricultural Sciences, soil fertility, plant protection in observation and analysis in 1971, rape sclerotinia, mostly through the attachment of petal leaves attached to the rape leaves, and then infected leaves. Therefore, the main attack on the petals when the bacteria, the bacteria