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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.
The use of copper pesticide in viticulture in 1940. Copper pesticide is applied as a contact protective foliar spray, so it remains deposited on leaf surfaces. A small concentration of copper ions may be taken up by plants as essential nutrients. Copper foliar sprays are also applied to correct plant copper deficiency. [8]
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 ...
This is a list of fungicides.These are chemical compounds which have been registered as agricultural fungicides.The names on the list are the ISO common name for the active ingredient which is formulated into the branded product sold to end-users. [1]
The composition of CCA products is usually described in terms of the mass percentages of chromium trioxide or "chromic acid" CrO 3, arsenic pentoxide As 2 O 5, and copper(II) oxide CuO. [3] The preservative is applied as a water-based mixture containing 0.6–6.0% (by weight) of chromic acid, copper oxide, and arsenic acid (USDA, 1980), with pH ...
Currently control of barley scab is seen as a high priority, resulting in the U.S. National Wheat and Barley Scab Initiative. In 2005 alone North Dakota State experts estimated that scab cost the North Dakota farm economy $162 million and in 1993 it cost North Dakota, South Dakota, and Minnesota $1 billion. Fungicide trials in 2004 were promising.