Journal of Food, Agriculture and Environment
Vol 7,
Issue 1,2009
Online ISSN: 1459-0263
Print ISSN: 1459-0255
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Degradation of four fungicides in tropical soils from Hainan, China
Author(s):
Bing Jun Han 1,
Li Xia Chen 2, Li Xu Peng 1*Recieved Date: 2008-10-04, Accepted Date: 2008-12-18
Abstract:In tropical districts, the production of crops is affected by fungal, bacterial and viral origins. Chlorothalonil, myclobutanil, propiconazole and difenoconazole were the four fungicides which were effective to prevent these diseases. The degradation and residue of four fungicides in tropical soils were investigated in the present study. The results showed that the four fungicides were closely related with the times and dosage of application, and the weather after spraying. The half-lives of the four fungicides in tropical soils were 5.2, 14.9, 15.8 and 13.8 days, respectively. After the third sampling time, the residue of the four fungicides were detected, but they were lower than 1mg/kg and they were safe to use under the tropical climate.
Keywords:Chlorothalonil,
myclobutanil, propiconazole, difenoconazole, degradation, residue, tropical soilsJournal: Journal of Food, Agriculture and Environment
Year: 2009
Volume: 7
Issue: 1
Category: Environment
Pages: 197-200
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