Residue dynamics and degradation behaviour of pyrazosulfuron-ethyl inthe rice field environment

Shobha Sondhia; Uzma Waseem

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Residue dynamics and degradation behaviour of pyrazosulfuron-ethyl inthe rice field environment

机译：Residue dynamics and degradation behaviour of pyrazosulfuron-ethyl inthe rice field environment

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Pyrazosulfuron-ethyl is used in rice fields to manage a range of annual and perennial weeds. Its long-term herbicide residue dynamics in rice ecosystem and degradation pattern is poorly characterized. Therefore, in the present study, field experimentswere conducted for consecutive two years to investigate the residue dynamics and degradation of pyrazosulfuron-ethyl in the soil, rice plant, water and fishes in the rice field. Pyrazosulfuron-ethyl residues were found to be below the maximum residues levels (0.01 mg/kg) in the soil, rice grains, and straw. In the fishes, pyrazosulfuron-ethyl residues were in the range of 0.056- 0.013 u,g/g. Half-life of pyrazosulfuron-ethyl in the soil of rice field was found to be 9.41 to 13.9 days. Results showed that pyrazosulfuron-ethyl at 25 g/ha application rate did not cause any environmental hazards and can be safely applied in the rice fields for management of annual and perennial weeds.

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来源
《Indian Journal of Weed Science》 |2020年第4期|362-365|共4页
作者
Shobha Sondhia; Uzma Waseem;
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作者单位

ICAR-Directorate of Weed Research, Adhartal, Jabalpur, Madhya Pradesh, 482 004, India;

Mata Gujri Girls College, Jabalpur, Madhya Pradesh, 482 002, India;

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原文格式 PDF
正文语种英语
中图分类植物保护;
关键词
Degradation; Dissipation; Herbicide; Pyrazosulfuron-ethyl; Residues dynamics;

Residue dynamics and degradation behaviour of pyrazosulfuron-ethyl inthe rice field environment

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