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经过2年田间试验,研究150 g/L氯虫苯甲酰胺.高效氯氟氰菊酯微囊悬浮剂防治番茄棉铃虫(He-liothis armigera)的效果。结果表明,150 g/L氯虫苯甲酰胺.高效氯氟氰菊酯微囊悬浮剂45.00 g(a.i)/hm2(300 mL/hm2)防治棉铃虫效果最佳,2008年药后1、3、7、14、21 d的防治效果分别为76.03%、86.99%、96.05%、92.11%、86.67%,2009年药后1、3、7、14、21 d的防治效果分别为73.45%、83.68%、92.12%、88.87%、83.09%,均明显高于对照药剂25 g/L功夫水乳剂和250 g/L氯虫苯甲酰胺悬浮剂,防治效果好,且对番茄生长无药害。结合试验和生产实际考虑,推荐150 g/L氯虫苯甲酰胺.高效氯氟氰菊酯微囊悬浮剂防治番茄棉铃虫田间使用剂量为22.50～33.75 g(a.i)/hm2,对水喷雾。
After two years of field experiments, the effect of 150 g / L chlorantraniliprole and lambda-cyhalothrin microcapsule suspension on the control of He-liothis armigera was studied. The results showed that 45 g / L (300 mL / hm2) of lambda-cyhalothrin (150 g / L) , Respectively. The control effects at 7, 14, 21 d were 76.03%, 86.99%, 96.05%, 92.11% and 86.67% respectively. The control effects at 1, 3, 7, 14 and 21 days after treatment were 73.45% and 83.68% %, 92.12%, 88.87% and 83.09%, respectively, were significantly higher than that of the control agent 25g / L Kungfu water emulsion and 250g / L chlorantraniliprole, with good control effect and no harm to tomato growth. In combination with the practical considerations of production and testing, 150 g / L of chlorantraniliprole was recommended.The lambda-cyhalothrin microcapsule suspending agent was used to control tomato bollworm in the field with a dosage of 22.50- 33.75 g (a.i) / hm2 for water spray.