Bordeaux mixture
Copper-based fungicide
Nº Q893396 ★★★
Rare · History
Bordeaux mixture
Copper-based fungicide
Bordeaux mixture (also called Bordo Mix) is a mixture of copper(II) sulfate (CuSO4) and quicklime (CaO) 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.
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From Wikipedia
Bordeaux mixture (also called Bordo Mix) is a mixture of copper(II) sulfate (CuSO4) and quicklime (CaO) 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 ineffective after a fungus has become established. It was invented in the Bordeaux region of France in the late 19th century. If it is applied in large quantities annually for many years, the copper in the mixture eventually becomes a pollutant. As such its use is controlled, but not forbidden in most of the European Union. Despite this, some advocates of organic gardening consider it an 'organic' pesticide.
Text: Wikipédia, CC BY-SA 4.0. · Image: Pg1945 (CC BY-SA 3.0) ·
