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Please use this identifier to cite or link to this item: http://hdl.handle.net/123456789/53

Title: Determination and Safety Evaluation of Difenoconazole Residues in Apples and Soils
Authors: Guo, Cong
Li, Jian-zhong
Guo, Bao-yuan
Wang, Hui-li
Keywords: Difenoconazole
Residual
PHI
Apple
Soil
Issue Date: 24-Sep-2010
Publisher: Springer
Citation: Bull Environ Contam Toxicol (2010) 85:427–431
Abstract: Difenoconazole was a triazole fungicide with proven bio-efficacy which leads to morphological and functional changes in the fungal cell membrane. In this work, field trials were conducted in three apple orchards. Sampling methods were improved in both the terminal residual and dissipation experiments. Residual data were analyzed and results showed that, at both recommended rates with 3 times applications and 1.5-folds of recommended rates with 4 times applications, the preharvest intervals (PHIs) of difenoconazole in apples were 6–7 days. The DT50 of difenoconazole in apples and soils were 6.3–10.2 and 9.6–68.4 days, respectively. The DT90 them were 26.2–40.6 and 45.6–216.3 days, respectively.
URI: http://hdl.handle.net/123456789/53
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