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Cyhalofop-p-butyl Mobility and Distribution of Residues in Soil at Various Depths

Cyhalofop-p-butyl Mobility and Distribution of Residues in Soil at Various Depths

Rishi Raj Khare, Shobha Sondhia

J Environ Sci Health B. 2014;49(6):391-9.

PMID: 24762176

Abstract:

This study was conducted to evaluate cyhalofop-p-butyl mobility in a sandy loam soil and subsequent distribution of residues at various depths under field conditions. Soil samples were taken from 0 to 150 cm depths at 3-90 d after rains in lysemeter of 1 and 2 m depths. Cyhalofop-p-butyl application at two rates and subsequent precipitation had a significant impact on soil, physico-chemical properties and herbicide mobility. Precipitation caused substantial mobility of cyhalofop-p-butyl in the soil and 1.1-7.6 μg L(-1) of cyhalofop-p-butyl was found in leachates. Cyhalofop-p-butyl residues in the leachates were probably due to preferential flow through the soil. Cyhalofop-p-butyl residues were detected in significant amounts from the soil up to 10 d, later, residues were found below the detection limit but its three transformation products viz., cyhalofop acid, diacid, and phenol were detected.

Chemicals Related in the Paper:

Catalog Number	Product Name	Structure	CAS Number	Price
IAR42411004	Butyl p-aminobenzoate-Agarose			Price

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