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[目的]探明烟蚜茧蜂防控烟蚜技术在开阳烟区的防治效果,以完善开阳烟区病虫害防治体系。[方法]于2015年在贵州省开阳县进行烟蚜茧蜂防控烟蚜技术的效果评价。[结果]蚜虫繁育量随接蚜后天数的增加而增加,僵蚜量随接蜂后天数的增加呈先增加后降低趋势;放蜂区烟蚜衰退率较非放蜂区高29.0%;烟株蚜传病毒病发生率降低,农药施用次数较非放蜂区少1.5次。[结论]烟蚜茧蜂防控烟蚜技术的效果明显,有利于降低烟农生产成本和提高经济效益。
[Objective] The research aimed to find out the control effect of tobacco leaf aphid (Culex pipiens pallens) on the prevention and control of tobacco aphid in Kaiyang tobacco-producing area so as to improve the pest control system of Kaiyang tobacco-growing area. [Method] The effect of preventing and controlling the tobacco aphid was detected in Kaiyang County, Guizhou Province in 2015. [Result] The amount of aphids breeding increased with the increase of the days after receiving aphids. The amount of aphids increased firstly and then decreased with the increase of the days after pick-up. The decline rate of aphids was 29.0% The incidence of virus-borne diseases in the aphids decreased, and the number of pesticides applied was 1.5 times less than that in non-bee-pollinators. [Conclusion] The effect of preventing and controlling the tobacco aphid was obvious with the help of the tobacco aphid, which is beneficial to reduce the tobacco farmers’ production cost and increase the economic benefit.