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How To Get Rid Of Powdery Mildew On Plants Naturally, an Eco Friendly - Green Solution
By Karl Schultz, Austin, TX
White powdery fungal growth on the leaves of garden plants can cause leave, buds and twigs to be distorted and stunted. It rarely causes serious harm to plants though but is more of a nuisance. There are some natural methods you can use to get rid of powdery mildew and some steps of prevention that can help keep it from occurring in the first place.
First step in getting rid of powdery mildew is don't over fertilize. Rapid, unnatural plant growth makes new shoots susceptible to powdery mildew.
Try to pick varieties of garden plants that are resistant. See list below.
Allow space between plants for good air flow to prevent the spread of powdery mildew from plant to plant.
Remove powdery mildew infected plants and dispose of them. This prevents powdery mildew from getting a foothold in your garden.
Next step in getting rid of powdery mildew in your garden is to not over prune since new shoots are more susceptible to mildew.
If you must use a fungicide for powdery mildew, try and choose one with the least environmental impact. These include Safer® Garden Fungicide Sulfur, Green Light® Neem Concentrate
and Bonide Remedy®. Read all label warnings since some are mildly or moderately toxic to pets and aquatic life but do not last long in the environment since they break down easily.
Plants that are resistant to powdery mildew include Crape Myrtle, Squash, Phlox, Roses, and many other under the proper conditions as described above.
Sources, Texas A&M Cooperative Extension Service
Below: Example of powdery mildew on a cucumber plant.
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