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Copper sulfate exists as a series of compounds that differ in their degree of hydration. The anhydrous form is a pale green or gray-white powder, whereas the pentahydrate (CuSO4?5H2O), the most commonly encountered salt, is bright blue.
Mancozeb is a multi-site inhibitor affecting various enzymes and other metabolic processes in fungi. It inhibits spore germination, and is toxic to fungal cell membranes.
Control of Oomycetes, particularly fungi of the family Peronosporaceae, Phytophthora,Plasmopara,Pseudoperonospora, Sclerospora, Bremia, and Pythiumspp.