This section is from the book "Commercial Gardening Vol3", by John Weathers (the Editor). Also available from Amazon: Commercial Gardening, A Practical & Scientific Treatise For Market Gardeners.
The term fungicide is given to various substances used, in solution or in the form of a powder, for the purpose of killing fungi that are injurious to cultivated plants. Unfortunately the idea of a fungicide for the purpose of preventing plant diseases has in some instances been taken up by parties who, lacking the necessary knowledge, have nevertheless attempted to palm off on the unsuspecting purchaser some quackery, in many instances surpassing, if possible, the nostrums meted out by certain parties as an antidote to all the ills that human beings ever have suffered or ever will suffer from.
From amongst the many fungicides known, Bordeaux mixture and self-boiled lime-sulphur mixture are undoubtedly the best, and will meet all requirements.
 
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