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稻瘟净、异稻瘟净、稻瘟灵这是防治水稻稻瘟病的3个老农药品种,在不同时期发挥过一定作用。在农药老品种办理统一登记时,异稻瘟净已取代稻瘟净,所以在1985年仅有一家企业登记稻瘟净。据统计,异稻瘟净、稻瘟灵二个品种至去年全国有21个省、区、市78家企业登记产品108个厂次。其中原药5个厂次(异稻瘟净3个厂次,稻瘟灵2个厂次),单剂32个厂次(异稻瘟净8个厂次,稻瘟灵24个厂次),复配制剂71个厂次。在统一办理农药老品种登计时,5家企业于1985年登记异稻瘟净原药,40%、50%异稻瘟净乳油;10家企业于1986年登记30%稻瘟灵乳油。进入九十年代始见新增企业参与竞争,
Rice blast net, different rice blast net blast, this is the prevention and treatment of rice blast three old varieties of pesticides, played a role in different periods. In the case of the unified registration of the old varieties of pesticides, the net blast of rice has replaced the net blast of blast so that in 1985 only one enterprise registered the rice blast net. According to statistics, two varieties of different blast of rice blast, rice blast until last year the country has 21 provinces, autonomous regions and municipalities 78 companies registered 108 products. Among them, there are 5 plants of the original drug (3 isolates of rice blast and 2 plants of rice blast block), 32 plants of single dose (8 plants of different rice blast and 24 plants of rice blast) , Compounding agent 71 plants. In a unified application for registration of old varieties of pesticides, 5 enterprises registered the original drug of phytothecin, 40% and 50% of the different types of isolates of rice blast in 1985; 10 enterprises registered 30% of the rice blast oil in 1986. Into the nineties began to see new companies to participate in competition,