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the usage of Difenoconazole

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the usage of Difenoconazole

Post  sherryfu on Fri Apr 23, 2010 1:43 am

Difenoconazole is white to light beige crystal. M.p. 78.6 C . V.p. 3.3 * 10 -5 mPa (25 C ). Soluble in water 15mg/L (25 C ). In ethanol 330, acetone 610, toluene 490, n-hexane 3.4, n-octanol 95 (all in g/L, 25 C ). Stable up to 150 C . Hydrolytically stable.

As Biochemistry Sterol demethylation inhibitor. Difenoconazole inhibits cell membrane ergosterol biosynthesis, stopping development of the fungus. Mode of action Systemic fungicide with preventive and curative action. Absorbed by the leaves, with acropetal and strong translaminar translocation. Uses Systemic fungicide with a novel broad-range activity protecting the yield and crop quality by foliar application or seed treatment. Provides long-lasting preventive and curative activity against Ascomycetes, Basidiomycetes and Deuteromycete,s including Alternaria, Ascochyta, Cercospora, Cercosporidium, Colletotrichum, Guignardia, Mycosphaerella, Phoma, Ramularia, Rhizoctonia, Septoria, Uncinula, Venturia spp., Erysiphaceae, Uredinales and several seed-borne pathogens. Used against disease complexes in grapes, pome fruit, stone fruit, potatoes, sugar beet, oilseed rape, banana, cereals, rice, soya beans, ornamentals and various vegetable crops, at 30-125 g/ha.

Besides , Difenoconazole used as a seed treatment against a range of pathogens in wheat and barley, at 3-24 g/100 kg seed. Phytotoxicity In wheat, early foliar applications at growth stages 29-42 might cause, in certain circumstances, chlorotic spotting of leaves, but this has no effect on yield.

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