柑桔产区蚜虫普遍发生,对柑桔树的幼芽、嫩叶、嫩梢、花蕾危害较大,导致叶片卷曲枯萎、花和幼果脱落,并诱发煤烟病,严重影响桔果的产量和品质。合川市铜溪镇锣山村5社村民林发,种有柑桔树120多株,近几年来连年发生蚜虫危害,使桔果的产量和品质大为降低。他采用50％辛硫磷 3000倍液、40％氧化乐果 1000倍液防治,一年喷2 Citrus aphids occur in general, the citrus tree shoots, young leaves, tender shoots, buds greater harm, leading to leaf curly wilt, flowers and young off, and the cause of sooty tobacco, seriously affecting the yield of orange fruit And quality. Hechuan City Copper Town gorges Village 5 community villagers forest hair, planted citrus trees more than 120 strains in recent years in successive years aphid hazards, the orange fruit yield and quality greatly reduced. He uses 50% phoxim 3000 times, 40% omethoate 1000 times prevention and control, spray 2 a year