BIO-EFFICACY OF PINOXADEN AS POST-EMERGENCE HERBICIDE AGAINST WEEDS IN WHEAT CROP

Q4 Environmental Science

Pollution Research Pub Date : 2023-01-01 DOI:10.53550/pr.2023.v42i01.018

R. Patel, A. Jha, Badal Verma, Rahul Kumbhare, Richard R Singh

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Abstract

A field study was carried out during the rabi season 2020-21 to identify weed species and investigate the efficacy of post-emergence herbicides on weeds and their effect on wheat grain yield at AICRP on Wheat, JNKVV, Jabalpur (M.P.). Seven different treatments were applied, namely pinoxaden at 40 g a.i./ha, pinoxaden at 45 g a.i./ha, pinoxaden at 90 g a.i./ha, clodinafop propargyl at 90 g a.i./ha, sulfosulfuron at 25 g a.i./ha as post-emergence (25 DAS), hand weeding at 30 DAS and weedy check. The highest number of individuals was recorded for Medicago denticulata (30.82%), Cichorium intybus (29.94%), Phalaris minor (15.60%), Chenopodium album (15.32%) and Anagallis arvensis (8.30%). All the herbicide treatments provided significant control of weeds causing significant reduction in density of target weed flora and improved the grain yield compared with the weedy check. The highest mortality of weeds (41.12%) was recorded where pinoxaden at 90 g a.i./ha was applied. However, pinoxaden at 45 g a.i./ha is the most effective and best option for higher values of growth parameters, yield attributes and maximum wheat grain yield.

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皮诺沙登苗期除草剂对小麦杂草的生物有效性研究

在2020- 2021年rabi季，开展了田间研究，以确定杂草种类，并研究出苗后除草剂对AICRP小麦，JNKVV, Jabalpur (mp)的杂草效果及其对小麦产量的影响。施用7种不同的处理，即40 g a.i./ha、45 g a.i./ha、90 g a.i./ha、90 g a.i./ha、25 g a.i./ha的氯硝丙酯、25 g a.i./ha的磺胺磺隆作为出苗后(25 DAS)、30 DAS的手除草和杂草检查。单株数最多的是牙花苜蓿(30.82%)、菊苣(29.94%)、小Phalaris(15.60%)、Chenopodium album(15.32%)和Anagallis arvensis(8.30%)。与杂草对照相比，所有除草剂处理对杂草均有显著的控制作用，使目标杂草区系密度显著降低，并提高了籽粒产量。施用90 g / hm2吡诺菌登时，杂草死亡率最高，为41.12%。然而，施用45 g a.i./ hm2的皮诺施登对提高小麦的生长参数、产量属性和最高产量是最有效和最佳的选择。

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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Pollution Research Environmental Science-Water Science and Technology

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