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Do you need to learn how to treat powdery mildew? Powdery mildew is a grayish fungus that can affect fruits, vegetables, and ornamental plants. This page will help you learn how to identify, prevent, and treat powdery mildew.
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How to Treat Powdery Mildew After Rain
This video discusses how to use natural methods to treat powdery mildew. The expect suggests using a moisture barrier on the leaves of plants, such as crepe myrtle in order to prevent powdery mildew. He then goes on to review certified organic fungicides and which pants each is best for.
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Step 2: Prevent Powdery Mildew
- When purchasing plants, look for plants that are bred to be resistant to powdery mildew.
- Plant in full sun. Sun helps prevent powdery mildew from taking hold.
- Use drip lines to water your plants, so the roots get watered, but the leaves don't.
- Allow adequate space between plants so that here is good air circulation.
Step 3: How to Treat Powdery Mildew
- Remove and destroy badly infected plants from the garden. Do not compost infected plants.
- Spray remaining plants with an anti-transpirant, such as Wilt-Pruf, to prevent germination and spread of any remaining spores.
- Use a systematic fungicide such as benomyl or triforine on ornamental plants. DO not use a systematic fungicide on fruits or vegetables unless the package specifically states it is safe to use on edible plants.
- Some biological fungicides use beneficial bacteria to eradicate powdery mildew. These are generally nontoxic to people and pets.http://www.ipm.ucdavis.edu/PMG/PESTNOTES/pn7494.html
- Horticultural oils and sulfur applications may also be helpful, but shouldn't be used within 2 weeks of each otherhttp://www.ipm.ucdavis.edu/PMG/PESTNOTES/pn7494.html
