Can pre- and/or post-emergent herbicide application affect soybean seed quality?

IF 0.9 4区农林科学 Q3 AGRONOMY

Revista Caatinga Pub Date : 2023-01-01 DOI:10.1590/1983-21252023v36n401rc

Jamile M. Ceretta, Alfredo J. P. Albrecht, Leandro P. Albrecht, André F. M. Silva, Andressa Sa. Yokoyama

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引用次数: 0

Abstract

ABSTRACT Soybean cultivation requires herbicide application in the off-season, before emergence for weed desiccation, and after emergence. It is believed that the use of preand post-emergent herbicides combined with preharvest application may negatively affect the quality of soybean seeds. As such, the present study aimed to assess the effect of preand post-emergent herbicides on soybean seed quality. Five field experiments were conducted during the 2018/2019 and 2019/2020 growing seasons to investigate the effects of synthetic auxins and pre-emergents, acetyl-CoA carboxylase (ACCase) inhibitors, broadleaf herbicides, and s-metolachlor or clomazone on the quality of soybean seeds. Dicamba application combined with the pre-emergent herbicides imazethapyr/flumioxazin before soybean planting reduced seed vigor and germination. ACCase inhibitors in association with broadleaf herbicides before planting had no effect on seed quality. Applying s-metolachlor (up to 2,880 g of active ingredient [ai] ha-1) or clomazone (up to 1,800 g ai ha-1) was safe for seed germination, even when used after soybean emergence.

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苗期前和/或苗期后使用除草剂会影响大豆种子质量吗?

大豆种植需要在淡季、出苗前和出苗后施用除草剂。结果表明，播前和播后除草剂与收获前施用可能对大豆种子品质产生负面影响。因此，本研究旨在评估苗期前和苗期后除草剂对大豆种子品质的影响。在2018/2019和2019/2020两季进行了5项田间试验，研究了合成生长素和前苗、乙酰辅酶a羧化酶(ACCase)抑制剂、阔叶除草剂和s-异丙甲草胺或氯马酮对大豆种子品质的影响。麦草畏在大豆播种前与苗期除草剂吡嗪/氟恶嗪联合施用，降低了大豆种子活力和发芽率。种植前施用ACCase抑制剂和阔叶除草剂对种子品质没有影响。施用s-甲草胺(最多2,880 g有效成分[ai] ha-1)或氯马酮(最多1,800 g ai ha-1)对种子发芽是安全的，即使在大豆发芽后使用。

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来源期刊

Revista Caatinga AGRONOMY-

CiteScore

2.10

自引率

11.10%

发文量

审稿时长

6-12 weeks

期刊介绍： A Revista Caatinga é uma publicação científica que apresenta periodicidade trimestral, publicada pela Pró-Reitoria de Pesquisa e Pós-Graduação da Universidade Federal Rural do Semi-Árido – UFERSA, desde 1976. Objetiva proporcionar à comunidade científica, publicações de alto nível nas áreas de Ciências Agrárias e Recursos Naturais, disponibilizando, integral e gratuitamente, resultados relevantes das pesquisas publicadas.