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ZJUS-B
Journal of Zhejiang University-SCIENCE B (Biomedicine & Biotechnology)  2005, Vol. 6 Issue (8): 756-758    DOI: 10.1631/jzus.2005.B0756
Plant & Animal Sciences and Biotechnology     
Dissipation of pencycuron in rice plant
PAL R., CHAKRABARTI K., CHAKRABORTY A., CHOWDHURY A.
Department of Agricultural Chemistry and Soil Science, Calcutta University, Calcutta, Pin-700 019, India; Department of Agronomy, Bidhan Chandra Krishi Viswavidyalaya, Mohanpur, West Bengal, Pin-741 252, India
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Abstract  Pencycuron is a non-systemic protective fungicide for controlling sheath blight of rice. However, information on the fate of pencycuron in rice plant is lacking. The degradation of pencycuron in waterlogged tropic rice field was investigated. Pencycuron was applied at recommended field dose (187.5 g a.i./ha) and double recommended dose to cropped plots for three consecutive years. Pencycuron was rapidly degraded in rice plant at all doses of pencycuron application with first order half-lives of 1.57~2.77 d. The study revealed that pencycuron is safe from the human and environmental contamination point of view.

Key words： Pencycuron      Dissipation      Rice plant      Sheath blight      Rhizoctonia solani     
Received: 12 April 2005     
CLC:  S48  
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PAL R.
CHAKRABARTI K.
CHAKRABORTY A.
CHOWDHURY A.
Cite this article:

PAL R., CHAKRABARTI K., CHAKRABORTY A., CHOWDHURY A.. Dissipation of pencycuron in rice plant. Journal of Zhejiang University-SCIENCE B (Biomedicine & Biotechnology), 2005, 6(8): 756-758.

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http://www.zjujournals.com/xueshu/zjus-b/10.1631/jzus.2005.B0756     OR     http://www.zjujournals.com/xueshu/zjus-b/Y2005/V6/I8/756

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