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桦三节叶蜂是近年来湖北省神农架林区危害红桦树的主要食叶害虫。3%高渗苯氧威乳油、1.2%烟碱.苦参碱乳油、2%阿维菌素乳油、5%桉油精乳油喷雾、喷烟防治试验结果表明:3%高渗苯氧威乳油、1.2%烟碱.苦参碱乳油分别用水稀释25 000倍、6 000倍喷雾,48 h后,校正防效均达到89.5%;用柴油分别稀释120倍、50倍喷烟,48 h后,校正防效均达到93.6%。
Birch three leaves in recent years Shennongjia forest in Hubei Province endanger the red birch main leaf-feeding pests. 3% hypertonic phenoxyvitamin, 1.2% nicotine, matrine EC, 2% avermectin EC, 5% eucalyptus EC cream, spray control test results show that: 3% , 1.2% nicotine respectively.The matrine EC was diluted 25 000 times and 6000 times spray respectively, and after 48 h, the calibration control effect reached 89.5% Correction control efficiency reached 93.6%.