Nicosulfuron Weed Control in Maize as Influenced by Adjuvants: Original vs. Generic Herbicide

IF 2.4 3区 农林科学 Q1 AGRONOMY
Milan Brankov, Milena Simić, Spencer L. Samuelson, Dušan Nikolić, Zoran Čamdžija, Violeta Mandić, Vesna Dragičević
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Abstract

In the absence of new herbicides on the market, adding adjuvants into the tank with herbicides is a strategy for increasing efficacy. In our research, we tested whether there are differences in weed control as influenced by the original nicosulfuron formulation and a generic counterpart. In this study, we tested the addition of two commonly used adjuvants: ammonium-sulfate (AMS) and non-ionic surfactant (NIS). In a three-year experiment, based on a percentage of biomass reduction and canopy cover, these results showed no differences in any treatments when comparing the original versus generic nicosulfuron. However, adding an NIS increased efficacy, while adding AMS decreased herbicide activity. The average percentage reduction of biomass in this study was about 80%, implying that using solely nicosulfuron as aceto-lactate synthase inhibiting herbicide is not a good solution in weed control in maize and that other methods for weed control should be considered and integrated, in order to increase weed control efficacy.

Abstract Image

烟嘧磺隆对玉米杂草的控制受佐剂的影响:原创除草剂与仿制除草剂
在市场上缺乏新型除草剂的情况下,在除草剂罐中添加佐剂是一种提高药效的策略。在我们的研究中,我们测试了烟嘧磺隆的原始配方和普通配方在除草效果上是否存在差异。在这项研究中,我们测试了添加两种常用佐剂的情况:硫酸铵(AMS)和非离子表面活性剂(NIS)。在一项为期三年的实验中,根据生物量减少百分比和树冠覆盖率,结果表明在比较原始烟嘧磺隆与普通烟嘧磺隆的效果时,任何处理都没有差异。不过,添加 NIS 会提高药效,而添加 AMS 则会降低除草剂的活性。本研究中生物量减少的平均百分比约为 80%,这意味着仅使用烟嘧磺隆作为乙酰乳酸合成酶抑制除草剂并不能很好地解决玉米杂草防除问题,应考虑并综合使用其他除草方法,以提高除草效果。
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来源期刊
Gesunde Pflanzen
Gesunde Pflanzen 农林科学-农艺学
CiteScore
3.50
自引率
25.80%
发文量
152
审稿时长
>12 weeks
期刊介绍: Gesunde Pflanzen publiziert praxisbezogene Beiträge zum Pflanzenschutz in Landwirtschaft, Forstwirtschaft, Gartenbau und öffentlichem Grün und seinen Bezügen zum Umwelt- und Verbraucherschutz sowie zu Rechtsfragen. Das Themenspektrum reicht von der Bestimmung der Schadorganismen über Maßnahmen und Verfahren zur Minderung des Befallsrisikos bis hin zur Entwicklung und Anwendung nicht-chemischer und chemischer Bekämpfungsstrategien und -verfahren, aber auch zu Fragen der Auswirkungen des Pflanzenschutzes auf die Umwelt, die Sicherung der Ernährung sowie zu allgemeinen Fragen wie Nutzen und Risiken und zur Entwicklung neuer Technologien. Jedes Heft enthält Originalbeiträge renommierter Wissenschaftler, aktuelle Informationen von Verbänden sowie aus der Industrie, Pressemitteilungen und Personalia. Damit bietet die Zeitschrift vor allem Behörden und Anwendern im Agrarsektor und Verbraucherschutz fundierte Praxisunterstützung auf wissenschaftlichem Niveau.
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