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- Title
Persistence and Dietary Risk Assessment of Combi- Product of Fipronil + Imidacloprid in/on Chilli.
- Authors
Sharma, Sonali; Dubey, Jatiender Kumar; Sharma, Ajay; Katna, Sapna; Bhartiya, Shivani; Brar, Gaganpreet Singh; Devi, Nisha; Thakur, Nimisha
- Abstract
QuEChERS technique was validated and measurement uncertainty determined for residue analysis of fipronil and imidacloprid on chilli. LOQ of fipronil and imidacloprid was 0.001 and 0.05 mg kg-1, respectively. Pesticide was applied as foliar spray at the recommended (50 + 50 g ai ha-1) and double the recommended dose (100 + 100 g ai ha-1), and drenching of soil @ 200 + 200 and 400 + 400 g ai ha-1, respectively. Residues of fipronil and imidacloprid were estimated using GC and HPLC, respectively. Following foliar application, initial residues of fipronil and imidacloprid in chilli were 0.498 and 0.993 mg kg-1 and 0.505 and 1.007 mg kg-1, at recommend and double dose, respectively. Drenching resulted in initial residues of 0.097 and 0.136 mg kg-1 for fipronil and 0.280 and 0.443 mg kg-1 for imidacloprid at recommend and double dose, respectively in fruits on 3rd day of treatment.
- Subjects
IMIDACLOPRID; FIPRONIL; RISK assessment; PESTICIDES
- Publication
Pesticide Research Journal (09706763), 2023, Vol 35, Issue 1, p41
- ISSN
0970-6763
- Publication type
Article
- DOI
10.5958/2249-524X.2023.00007.9