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- Title
Dissipation, residues, and safety evaluation of trifloxystrobin and tebuconazole on ginseng and soil.
- Authors
Wang, Yan; Wang, Chunwei; Gao, Jie; Liu, Chang; Cui, Lili; Li, Aijun
- Abstract
Supervised field trials at two locations in 2012 and 2013 were conducted to evaluate the dissipation, terminal residues, and safety evaluation of Nativo 75 water dispersible granule (WG) (25 % trifloxystrobin + 50 % tebuconazole) on ginseng and soil following foliar application at a recommended dose 150 (50 + 100) and 1.5 times of the recommended dosage 225 (75 + 150) g a.i. ha. The average recoveries of trifloxystrobin and tebuconazole at three spiking levels in ginseng root, stem, and leaf and in soil were in the ranges of 81.0-96.8 % and 80.2-97.5 % with relative standard deviations (RSDs) of 4.92-13.13 % and 4.67-8.35 %, respectively. The half-lives of trifloxystrobin and tebuconazole were 5.92-9.76 days and 4.59-7.53 days, respectively. The terminal residues were all below the maximum residue limits (MRLs) of EU, USA, Canada, Japan, and South Korea. The food safety was evaluated by comparing the estimated daily intake (IEDI) with its acceptable daily intake (ADI). IEDI values calculated from residue data were found to be far less than the ADI on ginseng. Therefore, it would be unlikely to cause health problems induced by Nativo 75 WG use on ginseng at a dosage of 150-225 g a.i. ha.
- Subjects
TRIFLOXYSTROBIN; TEBUCONAZOLE; GINSENG; FOLIAR application of agricultural chemicals; DRUG dosage
- Publication
Environmental Monitoring & Assessment, 2015, Vol 187, Issue 6, p1
- ISSN
0167-6369
- Publication type
Article
- DOI
10.1007/s10661-015-4591-6