不同农药对重庆市涪陵区白茶黑刺粉虱防治效果及产量的影响

Effects of Different Pesticides on Aleurocanthus spiniferus Control and Yield of White Tea in Fuling District of Chongqing City

为了研究不同农药对白茶黑刺粉虱的防治效果及其产量的影响,采用大区对比法,试验以常规农药吡虫啉和扑虱灵作参照,采用自制不同稀释浓度的复配农药对白茶黑刺粉虱进行防治。结果表明,自制复配农药(25%LS乳剂)600倍液防治黑刺粉虱效果较佳,达到96.1%,杀虫效果显著高于2种常规用药(P<0.05)。白茶产量较常规用药(25%吡虫啉600倍液)增产4.9%,前期名白茶产量提高了7.4%,增产、增效明显。试验表明,自制复配农药可替代常规农药应用于实际生产上白茶黑刺粉虱的防治。

To study the effects of different pesticides against A leurocanthus spiniferus and the yield of white tea, with regional contrast method, using conventional pesticides imidacloprid and buprofezin as reference, the paper studied the effects of self-made compound pesticide with different diluted concentrations against the pest.The results showed that 600 times diluted concentration of self-made compound pesticide （25% LS emulsion） in prevention and treatment of Aleurocanthus spin^ferus was better,reached 96.1% ,the insecticidal effect was significantly higher than that of conventional treatment （P〈0.05） ;The production compared with the conventional pesticide （25% imidacloprid 600 times liquid） increased by 4.9%, the early albino tea yield improved 7.4% ,which increased significantly.Tests prored that self-made compound pesticide could replace conventional pesticides for the prevention ofA leurocanthus spiniferus in practical production.