Evaluation of Insecticides and Biopesticides against Helicoverpa armigera in Different Modules of Short Duration Pigeonpea

IF 0.8 4区生物学 Q3 AGRONOMY

Legume Research Pub Date : 2021-02-12 DOI:10.18805/LR-4313

A. Yadav, Ram Keval, A. Yadav

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引用次数: 1

Abstract

Background: Pigeonpea [Cajanus cajan (L.) Millsp.] is an important legume crop from the Family Fabaceae. Pigeonpea commonly known as ‘Arhar’ or ‘Tim’ is mainly consumed in the form of split pulse as ‘dal’. Pigeonpea is cultivated as an annual or semi-perennial crop, usually in mixed cropping systems. Pigeonpea is attacked by insect-pests right from sowing to harvesting and also during the storage. Gram pod borer, H. armigera has been a major pest in most parts of the country. Therefore, keeping these views in mind, the present study was conducted.Methods: Present investigations were carried out during Kharif season of 2013 and 2014 to evaluate some insecticides and biopesticides against Helicoverpa armigera in various modules on short duration pigeonpea.Result: The mean larval population of H. armigera after spray was minimum in M3 (1.15 larvae plant-1) followed by M2 (1.17 larvae plant-1) and maximum in module M5 (1.61 larvae plant-1) during Khaif 2013. During Khaif 2014 mean larval population of H. armigera after spray was minimum in M2 (1.11 larvae plant-1) followed by M3 (1.12 larvae plant-1) and maximum in module M5 (1.58 larvae plant-1). Hence these modules (M2 and M3) can be adopted by the farmers for effective and economic management of H. armigera.

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杀虫剂和生物农药对不同短存期鸽豆棉铃虫的防治效果评价

背景:鸽豆[Cajanus cajan (L.)]Millsp。是豆科重要的豆科作物。鸽豆通常被称为“Arhar”或“Tim”，主要以“dal”的分裂脉冲形式食用。鸽子豆作为一年生或半多年生作物种植，通常在混合种植系统中。从播种到收获，以及在储存过程中，鸽子豆都会受到害虫的侵害。棉铃虫是我国大部分地区的主要害虫。因此，考虑到这些观点，进行了本研究。方法:在2013年和2014年秋冬季节进行调查，评价几种杀虫剂和生物农药对短停留期鸽子不同模块的棉铃虫的杀灭效果。结果:2013年夏夏季节，喷施后棉铃虫平均幼虫数量M3最小(1.15只)，M2次之(1.17只)，M5最大(1.61只)。2014 Khaif期间，喷施后棉铃虫平均幼虫数量M2最小(1.11只)，M3次之(1.12只)，M5最大(1.58只)。因此，这些模块(M2和M3)可以被农民用于有效和经济地管理棉铃虫。

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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来源期刊

Legume Research AGRONOMY-

CiteScore

1.30

自引率

37.50%

发文量

256

审稿时长

6-12 weeks

期刊介绍： Legume Research An International Journal. The Journal is an official publication of Agricultural Research Communication Centre. It is designed to bring out the original research articles on genetics, breeding, physiology, bacterial avtivity, production, quality, biochemistry and seeds of legumes crops. The objective of the journal is to serve as a forum for scientific community to publish their research findings on legumes ans to provide basis for new research. Journal is being scanned in the important indexing and abstracting services.