Apothecary's Blog

{April 2, 2009}   Powdery Mildew

The bane of my existence, powdery mildew. I had one crop a few years back get infested with this stuff and got pretty ugly. When discovered on flowering plants, I spray wipes with a mix of Serenade and Neem oil and give infected leaves a rub down. The flowers hate to be sprayed, so this is pretty much the best option.

Prevention: Vaporize sulfur during veg. I really want a sulfur vaporizer because this stuff is such a pain to control. The sulfur vapor coats the leaves and makes it immune to a variety of diseases and fungi, including powdery mildew.

Another option is to use a ozone generator to sterilize the reproductive cells of the mildew. The downside of this technique is that ozone is harmful to human health, so you have to suck all of it out of you want to work with your plants. It also robs the flowers of their aroma.

For now, I stick with constant rub-downs to eradicate the mildew as best as I can. Please let me know if you have a better way to control PM.


Dank Weed says:

Politicians are 10 years behind the times when it comes to pot use. People have been fighting for a long time against cannabis and hemp prohibition with some movement going on now. Still too slow for those caught up in the jail system for possessing a little weed. Our freedoms have been trampled on by folks who know nothing about how beautiful marijauna can be for someones life, if one learns about growing cannabis. Keep up the good work.

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