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Field Efficacy of some Insecticides against Helicoverpa armigera Hubner in Pigeonpea

机译:一些杀虫剂对Pigeonpea的Helicoverpa Armigera Hubner的田间疗效

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Field efficacy of some insecticides against Helicoverpa armigera on pigeonpea during the years 2013-14 and 2014-15 revealed that profenofos 50 EC was the most effective in reducing pod borer infestation (4.47 per cent) which was on par with spinosad 45 SC (5.48 per cent). The number of spiders and coccinellids were maximum in untreated control (4.14 and 4.00 5 plants~(-1), respectively) followed by pongamia oil 3 per cent (3.62 and 3.41 5 plants~(-1), respectively) and neem oil 3 per cent (2.96 and 3.25 5 plants1, respectively). The highest yield of 22.11q ha~(-1) was obtained with profenofos 50 EC, which was at par with spinosad 45 SC (20.80 q ha~(-1)). The highest (1: 13.15) cost: benefit ratio was also recorded with profenofos 50 EC, followed by spinosad 45 SC (1: 10.53). In case a bio-pesticide is required, spinosad 45 SC may be recommended for management of H. armigera in pigeonpea.
机译:2013-14和2014 - 15年期间,一些杀虫剂对Helicoverpa Armigera对鸽皮的验力表明,Profenofos 50EC最有效地减少了Pod Borer侵扰(4.47%),这与Spinosad 45 Sc(5.48每年5.48 分)。 未处理对照的蜘蛛和球合花的数量最大(分别为4.14和4.00株植物〜(-1),然后是Pongamia油3%(3.62和3.41 5株〜(-1))和Neem油3 %(2.96和3.25 5植物1)。 用Profenofos 50EC获得的最高产率为22.11Q〜(-1),其与Spinosad 45 sc(20.80q ha〜(-1))相提并论。 最高(1:13.15)成本:益处比还记录了Profenofos 50 EC,其次是Spinosad 45 Sc(1:10.53)。 如果需要生物杀虫剂,可以推荐Spinosad 45SC,用于在PigeonPea中管理H. Armigera。

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