梨花瘿蚊防治适期及药剂筛选试验
China Plant Protection(2013)
Abstract
为确定梨花瘿蚊化学防治适期,筛选出合适的化学药剂,分别在梨树花苞露白前期、梨树花苞露白期、梨树花苞即将开放期,采用3%甲维盐WG、2%阿维菌素EC、77.5%敌敌畏EC对梨花瘿蚊进行防治.结果表明,防治梨花瘿蚊适期以梨花苞露白期喷药为宜,保花率在59.67%~88.92%,农药以77.5%敌敌畏最为理想,保花率达88.92%.
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