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  • Title: Mobility of four triazole fungicides in two Indian soils.
    Author: Singh N.
    Journal: Pest Manag Sci; 2005 Feb; 61(2):191-6. PubMed ID: 15619710.
    Abstract:
    The sorption and downward mobility of four triazole fungicides, triadimefon, hexaconazole, penconazole and propiconazole, were studied in two Indian soils (New Delhi and Punjab). Punjab soil (organic carbon 0.4%) showed greater sorption capability for triazole fungicides than New Delhi soil (organic carbon 0.5%) and the order of sorption of triazoles in both soils was: penconazole > hexaconazole > propiconazole > triadimefon. Fungicides were more mobile in New Delhi soil columns than Punjab soil columns, and increasing the total water flux from 1 pore volume to 3 pore volumes further increased the transport to lower down in the column. Triadimefon showed maximum mobility while penconazole was the least mobile triazole fungicide. After percolating 3 pore volumes of water, triadimefon leached down to 25-30 cm depth in New Delhi soil and 15-20 cm in Punjab soil columns. Downward mobility of triazole fungicides was in order of their sorption results.
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