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Copper pesticides are copper compounds used as bactericides, algaecides, or fungicides. They can kill bacteria, oomycetes and algae, and prevent fungal spores from germinating. Common forms of fixed copper fungicides include copper sulfate , copper sulfate pentahydrate , copper hydroxide , copper oxychloride sulfate , cuprous oxide , and copper ...
Neem oil, Octanoic acid and copper salt solutions, and various concentrations of Chlorothalonil are all recommended fungicides, as well. [4] Carefully read labels, and laws regarding application regiments and practices. [4] Fungicides for C. melongenae which are registered in Hawai'i and many other U.S states are: [4]
Bordeaux mixture (also called Bordo Mix) is a mixture of copper(II) sulphate (CuSO 4) and quicklime (Ca O) used as a fungicide. It is used in vineyards, fruit-farms, vegetable-farms and gardens to prevent infestations of downy mildew, powdery mildew and other fungi. It is sprayed on plants as a preventive treatment; its mode of action is ...
Copper naphthenate sold for pressure treatment of wood is typically supplied as an 8% copper (as metal) concentrate for dilution to 0.5-1.5% copper (as metal) treating solutions. Copper naphthenate sold at retail for consumer use is typically a 1% or 2% copper ready-to-use solution in mineral spirits or other similar solvents.
Dissolved copper sulfate ratios generally range from 1:1 to 1:18. Sodium carbonate is generally added in higher quantities and at a dissolved ratio of 1:1.5. Over time, the sodium carbonate will crystallize out of solution, and the closer the copper sulfate to carbonate mixture is to 1:1 ratios, the faster this process occurs. This property is ...
Large scale industrial production of basic copper chloride was devoted to making either a fungicide for crop protection or an intermediate in the manufacture of other copper compounds. [6] In neither of those applications was the polymorphic nature of the compound, or the size of individual particles of particular importance, so the ...