Tuesday, November 20, 2012

White powder mildew

White powder Mildew.

 If you have found a few white spots on your plants, join the club. These white spots can appear on most plants. Don't worry too much, this mildew is generally not fatal to plants. It will cut down on photosynthesis of your plant. These mildews are a type of fungi, however there is nothing fun about this guy. There are several species of the mildew. They all function in the same fashion. The different types of mildew don't affect other plants. If you have mildew on your coleus, you wont get the same species on your jade plant.

What causes white powder mildew?
High humidity, or just a general dampness around the plant.
Poor air circulation
 Make sure that you take care of the mildew as soon as you can. If you do not your plant can be in a bit of danger. It won't receive full photosynthesis that the plant needs, and won't be able to process the nutrients properly.

I'll wait till winter.
  If you think the winter will solve your problems, think again. Most of these fungi will lay dormant in plant matter and debris overwinter. When the temperature picks back up the fungi will release spores. Then the wind and insects will help spread the spores.

How do I get rid of it?
 You can improve air circulation for plants that need a high humidity by pruning, or having a fan around your plants. Prune out the leaves that have the mildew on them, and wash your hands very well. You will probably need a fungicide to rid your plants fully of white mildew, but there is a method using baking soda. I hear that this method is fairly effective.

Baking Soda mixture to take care of White powder mildew.

  1 tablespoon of baking soda
  1/2 teaspoons of liquid soap
  1 gallon of water.

Please make sure that you do a test patch on your plants first. Some soaps can burn your plants, and some plants are pretty sensitive. For more sensitive plants, make sure you water them well a few days before you apply the baking soda mixture  Spray your plants that are infected once a week to two weeks as needed.

I hope this helps you. If you have any questions please ask.

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