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水稻纹枯病是我国农作物病害中发生面最广、危害最重的一种病害。据江苏、浙江等省考查,在重病年,稻谷损失率在25—30％。六十年代南方稻区开始应用有机砷农药防治水稻纹枯病,对保产起到一定的作用。但因有机砷农药的残留毒性和对水稻产生药害。我国稻区从七十年代初开始逐步停止生产和使用,寻找新的取代品种。上海市农药研究所于1973年从江西井岗山地区的土壤中分离出一种吸水链霉菌井岗变种的真菌,这种
Rice sheath blight is one of the most widely occurring and hardest diseases in crop diseases in China. According to Jiangsu, Zhejiang and other provinces to examine, in serious illness, the loss rate of rice in 25-30%. Sixty time the southern rice began to use organic arsenic pesticides to control rice sheath blight, play a role in the protection of production. However, the residual toxicity of organic arsenic pesticides and phytotoxicity on rice. Since the early 1970s, China’s rice area has been phased out its production and use to find new replacement varieties. Shanghai Institute of Pesticide in 1973 from the Jinggangshan area in Jiangxi soil isolated from a Streptomyces hygroscopicus fungi variant, this