Gardening Answers Knowledgebase
Knowledgebase record #29
|Garden Tool||Powdery mildew season has begun (May), so act now to prevent or slow the development of this disfiguring (though not usually lethal) disease. Research published in Crop Protection demonstrated good results for preventing and managing mildew by spraying once a week with a 20%-40% solution of non-fat milk diluted in water. The down side to this organic remedy is the white residue left behind by the milk, which resembles the mildew we're trying to cure in the first place! Other less-toxic sprays that are new to the market are:
Go online to Cornell University for a fact sheet on powdery mildew http://plantclinic.cornell.edu/FactSheets/powdery/powdery.htm
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June 24 2013 13:17:10