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松碱合剂全年使用防治柑桔红蜘蛛试验红蜘蛛繁殖力极强，易产生抗药性，从６０年代至今，初期使用的有效农药，如石硫合剂、乐果、敌百虫及三氯杀螨砜等，现在效果都不好。三氯杀螨醇连续使用４次，水胺硫磷连续使用６次，药效即大减。松碱合剂使用已经数十年，至今还未发...
Pinellia mixture year-round use of citrus red spider control test Strong spider red spider, easy to produce resistance, since the 1960s, the initial use of effective pesticides such as lime sulfur mixture, dimethoate, trichlorfon and trichloro Mites sulfone, etc., the effect is not good now. Continuous use of dicofol 4 times, continuous use of acetochlor 6 times, the effect is greatly reduced. Rosin mixture has been used for decades, has not yet made ...