Dissipation pattern of tetraniliprole in/on green chilies.

IF 1.4 4区农林科学 Q4 ENVIRONMENTAL SCIENCES

Journal of Environmental Science and Health Part B-pesticides Food Contaminants and Agricultural Wastes Pub Date : 2024-01-01 Epub Date: 2024-05-22 DOI:10.1080/03601234.2024.2343617

Vinothkumar B, Monica S S, Preethi S, Arulkumar G, Muralidharan V, Karthik P

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Abstract

Field and lab experiments explored tetraniliprole dissipation in chili plants. A supervised trial in Devarayapuram village, Coimbatore, assessed the CO₂ chili variety (December-March 2018-2019). Using the Quick, Easy, Cheap, Effective, Rugged, and Safe (QuEChERS) method and ultra-high-performance liquid chromatography (UHPLC), samples were collected up to 15 d post-application. Initial tetraniliprole deposits on chili fruits, 1-h post-spray, were 0.898 and 1.271 μg g^-1 at single and double doses. Over 80% dissipated within 5 d, reaching below detection limits by day 7 and 10 for single and double doses, respectively. Transformation analysis favored first-order kinetics. Tetraniliprole half-life on chili fruit was 1.49 and 1.53 d at recommended and double doses. The safe waiting period was 4.16 and 5.04 d for 60 and 120 g a.i ha^-1. This study provides insights into tetraniliprole dynamics in chili plants, crucial for effective pesticide management.

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青辣椒中/上的四硝基虫螨消散模式。

田间和实验室实验探索了辣椒植株的四烯虫酰胺消散情况。在哥印拜陀 Devarayapuram 村进行的监督试验评估了 CO2 辣椒品种（2018 年 12 月至 2019 年 3 月）。使用快速、简便、廉价、有效、坚固和安全（QuEChERS）方法和超高效液相色谱法（UHPLC），收集了施药后 15 d 的样品。喷洒 1 小时后，辣椒果实上的初始四氟虫酰胺沉积量分别为 0.898 和 1.271 μg g-1（单剂量和双剂量）。超过 80% 的沉积物在 5 天内消散，单剂和双剂分别在第 7 天和第 10 天消散到检测限以下。转化分析倾向于一阶动力学。在推荐剂量和双倍剂量下，辣椒果实上的四氢吡咯半衰期分别为 1.49 天和 1.53 天。60 和 120 g a.i ha-1 的安全等待期分别为 4.16 和 5.04 d。这项研究有助于深入了解辣椒植株中四烯丙环唑的动态，这对有效管理农药至关重要。

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

Journal of Environmental Science and Health Part B-pesticides Food Contaminants and Agricultural Wastes 环境科学-公共卫生、环境卫生与职业卫生

CiteScore

4.00

自引率

5.00%

发文量

审稿时长

1 months

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