几种农药的药效试验

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在党的“九大”团结、胜利路线指引下,温州地区农科所于1971年对18种杀虫剂和杀菌剂防治三化螟、稻纵卷叶螟、稻叶蝉、褐稻虱及稻小粒菌核病进行了大田示范试验。据试验,50%杀螟腈乳剂对稻纵卷叶螟、稻飞虱、稻叶蝉和三化螟等多种害虫均有很好的防治效果,对稻纵卷叶螟尤为显著;50%6711乳剂每亩2—3两加水泼浇,防治三化螟、稻飞虱和稻叶蝉等有良好的效果;50%硫特普乳剂及35%硫环磷乳剂等,对稻纵卷叶螟、稻 Under the guidance of the “Nine Big” solidarity and victory of the party, the Agricultural Science Institute of Wenzhou Municipality, in 1971, administered 18 kinds of insecticides and bactericides to the control of Borer, Rice leafhopper, Rice leafhopper, Rice tuberculous sclerotinia field demonstration experiment. According to the test, the 50% diethylcarbamil emulsion has good control effect on various leaf pests such as rice leaf roller, planthopper, rice leafhopper and rice stem borer, and is particularly effective on rice leaf roller; 50% 6711 2-3 acres per acre emulsion pouring water, prevention and control of rice borer, planthoppers and rice leafhoppers and other good results; 50% sulfur special emulsion and sulfur sulfur phosphorous emulsion 35% Borer, rice
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