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2014年以来,梨二斑叶螨在砀山梨园发生逐年加重,严重的园片造成早期落叶,影响了梨树树势、梨果的产量和品质。为有效防治梨园二斑叶螨,安徽省砀山果园场科技人员于2016年6月16日在安徽省砀山果园场梨都科技公司梨园用24%螺螨酯悬浮剂2000、2500、3000倍液;20%丁氟螨酯乳油5000倍液;20%三唑锡可湿性粉剂2500倍液;15%哒螨灵乳油2000倍液和清水等7个处理4种药剂进行了防治梨园二斑叶螨试验。
Since 2014, the occurrence of pest two-spotted spider mites in Dasanli pear orchard has been increasing year by year. The serious deciduous leaves cause early deciduous leaves and affect the yield and quality of pear tree shrubs and pears. In order to effectively prevent and control two-spotted spider mite in pear orchard, the scientific and technical personnel of Dangshan orchard in Anhui province used 24% spirodiclofenzin suspension 2000, 2500 and 3000 times as liquid fertilizer on June 16, 20% Fofenamic ester EC 5000 times; 20% triazolium tin WP 2500 times; 15% pyridaben EC 2000 times and clear water treatment of four kinds of four agents were tested two-spotted pear spider mite test .