Bio-efficacy of Different Insecticides on Colorado Potato Beetle, Leptinotarsa decemlineata (Coleoptera: Chrysomelidae) in Bamiyan Province, Afghanistan

M. H. Falahzadah, M. Rahimi, A. Azam, K. Sahak
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Abstract

Potatoes are dominantly cultivated in Bamiyan province and play an important role in food safety inside the country. Colorado potato beetle is a major pest of potatoes that decreases the yield and quality of the potatoes. In this study evaluated the effect of different insecticides on the management of the Colorado potato beetle, Leptinotarsa decemlineata (Coleoptera: Chrysomelidae), in Bamiyan province of Afghanistan. The study was carried out in Kahmard District of Bamiyan province, in 2018. The experiment was laid out in Randomized Complete Block Design (RCBD) using 700 ml/ hectare of imidacloprid SL and 900ml/ hectare of cypermethrin EC, carbaryl EC, deltamethrin EC, and chlorpyrifos SL with three replications. The data were recorded 1 day before the application of each insecticide and at 3, 5 and 7-days intervals post-application. The statistical analyses showed that cypermethrin EC was the most effective in comparison to other insecticides for reducing the Colorado potato beetle population resulting in an increase in yield. Non-treated plots had a significantly higher number of Colorado potato beetle in comparison to insecticide-treated plots. However, no significant difference was seen within the insecticide-treated plots. Insecticide-treated plots had significantly higher yields in comparison to non-treated ones.
不同杀虫剂对阿富汗巴米扬省科罗拉多马铃薯甲虫的生物功效研究
马铃薯主要在巴米扬省种植,在该国的食品安全方面发挥着重要作用。科罗拉多马铃薯甲虫是马铃薯的主要害虫,会降低马铃薯的产量和质量。本研究评价了不同杀虫剂对阿富汗巴米扬省科罗拉多马铃薯甲虫(Leptinotarsa decemlineata)管理的效果。该研究于2018年在巴米扬省Kahmard区进行。试验采用随机完全区组设计(RCBD),吡虫啉700 ml/公顷,氯氰菊酯EC、西威因EC、溴氰菊酯EC和毒死蜱SL分别为900ml/公顷,3个重复。分别于施药前1 d和施药后3、5、7 d记录数据。统计分析表明,氯氰菊酯对减少科罗拉多马铃薯甲虫数量、提高产量的效果优于其他杀虫剂。与杀虫剂处理地块相比,未处理地块的科罗拉多马铃薯甲虫数量显著增加。然而,在杀虫剂处理的小区内,未见显著差异。杀虫剂处理地块的产量显著高于未处理地块。
本文章由计算机程序翻译,如有差异,请以英文原文为准。
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