Dithianon is a synthetic compound of the quinine family. It acts as a conventional, protective, broad spectrum fungicide in apples, pears and many other fruits.
Dithianon is a synthetic compound of the quinine family. It acts as a conventional, protective, broad spectrum fungicide in apples, pears and many other fruits. Dithianon is applied as a foliar spray, and is surface acting. Dithianon adheres well to the surface of the leaves, and once dried gives good persistence and is relatively rainfast. It is also possible for the compound to be reactivated on the surface of the plant by rain and run off, resulting in a certain level of protection to new growth. The mode of action of dithianon is that it is a multi-site inhibitor of protein formation that acts by modifying the sulfydryl groups found in the cysteine residues of many proteins. This protein inhibition prevents spore germination and germ tube growth. Dithianon is effective at controlling a wide range of fungal foliar diseases, including scab on pome fruit; Stigmina carpophila,Coccomyces hiemalis and scab on cherries; Monilia spp., rust and leaf curl on peaches and apricots; leaf spot and rust on currants; Didymella applanata on raspberries; Mycosphaerella fragariae and Diplocarpon earliana on strawberries;Plasmopara viticola on vines; downy mildew on hops; scab and Phomopsis citri on citrus fruit; Ascochyta chrysanthemion chrysanthemums under glass; Glomerella cingulata on coffee; Marssonina leaf spot on poplars. Dithianon can be sold as both water dispersible granules and as a suspension concentrate.
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Dithianon was developed by BASF and is sold as the following brands: Barclay cluster, Dartagnan Flo, Dartagnan Flo, Dithianon Flowable, Dithianon WG, Maccani, Route-One Dith-WG 70.
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