我场于1964年开始种植栟柑、蕉柑、柳橙、温州蜜柑等200余亩。历年来,柑桔红蜘蛛发生十分严重,虽先后喷布25%乐果1000倍液、石硫合剂0.5度、50%1059乳剂3000倍液进行防治,均无法控制和消灭其为害。为了提高防治红蜘蛛效果,消除红蜘蛛的抗药性,做到虫卵兼治,1972年8月16日在我场内岩后片蕉柑园试用三氯杀螨砜800倍液、石硫合剂0.3度和25%滴滴涕乳剂300倍液 My field began planting in 1964 citrus, banana, orange, mandarin, etc. more than 200 acres. Over the years, the occurrence of citrus spider mite is very serious. Although spraying 25% dimethoate 1000 times, lime sulfur 0.5%, and 50% 1059 emulsion 3000 times to prevent and cure are unable to control and eliminate its damage. In order to improve the effectiveness of prevention and treatment of red spider, red spider to eliminate drug resistance, so that egg treatment, August 16, 1972 in my field rock banana plantation test citronella sulfonate 800 times, lime sulfur mixture 0.3 Degree and 25% DDT emulsion 300 times