Safe Application of Five Pesticides for Cowpeas

LI Hui; LI Na; LIU Lei; SHAO Hui; SONG Shu-rong; GUO Yong-ze; ZHANG Yu-ting

doi:10.19303/j.issn.1008-0384.2018.11.010

Volume 33 Issue 11

Mar. 2019

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Article Navigation > Fujian Journal of Agricultural Sciences > 2018 > 33(11): 1176-1180

LI Hui, LI Na, LIU Lei, SHAO Hui, SONG Shu-rong, GUO Yong-ze, ZHANG Yu-ting. Safe Application of Five Pesticides for Cowpeas[J]. Fujian Journal of Agricultural Sciences, 2018, 33(11): 1176-1180. doi: 10.19303/j.issn.1008-0384.2018.11.010

Citation:

LI Hui, LI Na, LIU Lei, SHAO Hui, SONG Shu-rong, GUO Yong-ze, ZHANG Yu-ting. Safe Application of Five Pesticides for Cowpeas[J]. Fujian Journal of Agricultural Sciences, 2018, 33(11): 1176-1180. doi: 10.19303/j.issn.1008-0384.2018.11.010

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Safe Application of Five Pesticides for Cowpeas

doi: 10.19303/j.issn.1008-0384.2018.11.010

LI Hui^{1, 2
,},
LI Na^{1, 2},
LIU Lei^{1, 2},
SHAO Hui^{1, 2},
SONG Shu-rong^{1, 2},
GUO Yong-ze^{1, 2},
ZHANG Yu-ting^{1, 2
,
,}

1.
Research Institution of Agricultural Quality Standards and Testing Technology in Tianjin, Tianjin 300381, China
2.
Ministry of Agriculture and Rural Affairs Lab of Agricultural Product Quality Safety Risk Assessment, Tianjin 300381, China

Received Date: 2018-08-14
Rev Recd Date: 2018-10-09
Publish Date: 2018-11-28

Abstract

Abstract

The safety of 5 pesticides, abamectin, imidacloprid, spinetoram, carbendazim and tebuconazole, applied on cowpea was evaluated. At the maximum recommended dosage, each of these pesticides was sprayed on the plants 1, 2 or 3 times prior to sampling. Samples of the treated cowpeas were analyzed using the ultrahigh performance liquid chromatography-tandem mass spectrometry (UPLC/MS/MS) with the positive ion multiple reaction monitoring (MRM) mode. The residues of abamectin, imidacloprid and tebuconazole were found to be lower than their maximum residue limits (MRLs). The residue of spinetoram was below the MRL 2 days after a final application. However, carbendazim required more than 10 days to be considered safe for consumption and was, therefore, not recommended for the application on cowpeas at mature stage.
- abamectin,
- imidacloprid,
- spinetoram,
- cowpea,
- safe application

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References(8)

References

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