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Copper hydroxide 97%tc,77%wp
common name: copper hydroxide
chemical name :copper (ii) hydroxide, cupric hydroxide
molecular formula: cuh2o2
molecular weight :97.56
apperance: blue powder
cas no 20427-59-2
application: it used to kill the eggs, the larva and the adult
toxicity acute oral:ld50 1000 mgkg
biochemistry:non-specific thiol reactant, inhibiting respiration. Copper-ii-ion (cu++) is taken up by the spores during germination and accumulates until a sufficiently high concentration is achieved to kill the spore cell; the activity is limited to the prevention of spore germination.
mode of action:protectant fungicide and bactericide. Deposits must be on the crop before fungal spores begin to germinate.
uses:for control of peronosporaceae in vines, hops, and brassicas; alternaria and phytophthora in potatoes; septoria in celery; and septoria, leptosphaeria, and mycosphaerella in cereals.