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Mike the Gardener

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10562620_10152534297991645_9158630149477317383_o.jpg  No matter how much care and attention you put into your vegetable garden, there will come moments when something is affected by a common disease or pest. One of those common diseases is powdery mildew.

Powdery mildew is a fungal disease that can affect many varieties of plants. For me, it is my cucumbers and zucchini (and other squash) plants that seem to get hit the hardest. In my opinion, powdery mildew is also the easiest plant disease to recognize.

Starting from the lower leaves of your plant, they will develop a white powder on them. If not handled early, that white powder will spread from one leaf to the next, all the way up the plant. Once the plant is covered, it will begin to die.

Powdery mildew can be transmitted in a number of ways, most notably through insects. Specifically through Eriosomatinae, which are wooly aphids. Wooly aphids are plant sucking insects and can easily carry powdery mildew to your plants. If you notice wooly aphids on your plants, powdery mildew won’t be too far behind. Of course, if you have aphids, your garden has other issues that need to be addressed.


About Mike the Gardener
I am the author of the book Vegetable Gardening for the Average Person as well as the creator of the Seeds of the Month Club where members receive non gmo, heirloom variety seeds every month. You can listen to Mike each week on the Vegetable Gardening Podcast where he interviews gardening industry experts.
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