Bordeaux mixture

American  

noun

Horticulture.

1. a fungicide consisting of a mixture of copper sulfate, lime, and water.

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Bordeaux mixture British  

noun

1. horticulture a fungicide consisting of a solution of equal quantities of copper sulphate and quicklime

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Etymology

Origin of Bordeaux mixture

1890–95; free translation of French bouillie bordelaise. See boil ¹, Bordelaise

Example Sentences

The authors describe joyful peasants pulling loads of freshly harvested grapes through vine rows painted with this chemical spray that became known as the Bordeaux mixture.

From Washington Post

Some of these, especially Bordeaux mixture, have been experimented with on a very large scale, especially in America, and various forms of spraying machines have been introduced for dealing with large areas.

From Project Gutenberg

Whether Bordeaux mixture or any other copper solution will protect the shrub from attack, is not known.

From Project Gutenberg

Spraying with Bordeaux mixture, in advance of the occurrence of any disease, is recommended.

From Project Gutenberg

Bordeaux mixture is also effective as a repellent.

From Project Gutenberg