Abstract
Fipronil is a phenyl pyrazole insecticide, which is used as broad spectrum insecticide to control pest such as diamondback moth, thrips, stem borers, leaf folder, termites, borers, jassids, and bollworms. A study was undertaken at Rajasthan Agricultural Research Institute, Durgapura, Jaipur during Rabi, 2020 to find out the persistence of fipronil residues in the soil of cabbage field, when sprayed at its recommended dose (5% SC, 40 g. a. i. ha-1) and double of the recommended dose (5% SC, 80 g. a. i. ha-1). The samples were extracted with acetonitrile and cleaned up using a modified QuEChERS method and the residues were analyzed by Gas Chromatography. The residue level of fipronil in cabbage field soil collected at harvest time of cabbage crop were below the detectable level (BDL) at the recommended dose and double of the recommended dose, respectively.
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