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How To Get Rid Of White Powdery Mildew On Potted Plants

Different conditions from your house are favorable for white powdery mildew formation. This disease can destroy the leaves, endangering your plant. If you face this serious problem, keep reading this article to see how to get rid of white powdery mildew on plants. First of all, let’s get some information on this fungi.

Symptoms of white powdery mildew

White powdery mildew attacks all airborne organs in all phases of development of a plant, particularly the leaves and the stems.

The white powdery mildew will manifest on both sides of the leaves. However, this pathogen can be found more frequently on the upper one. Thus, you can notice white spots, initially isolated, spread unevenly on the surface of the leaves.

As the attack progresses, the spots will expand and will cover large portions or even the entire leaf. Under the same conditions, the attack will also occur on the petioles of the leaves and on the stems.

In a more advanced phase of the disease, there will be numerous yellow stains in the first phase, then brown-blackish.

As a result of the destruction of tissues near the spots, the leaves will dry. So it is very important to understand the phenomenon and how we can prevent it.

Conditions for the occurrence of white powdery mildew

The white powdery mildew is favored by dry weather, with temperatures above 26 degrees C. Unlike bacteriosis, the white powdery mildew will be prevented by water droplets on the leaves. But there is more to it so let’s get to some preventive measures to get rid of white powdery mildew.

Preventive measures to get rid of white powdery mildew

1. In order to minimize the damages, it is recommended that all plant debris is collected and destroyed, followed by a deep plowing.

2. Also, the occurrence of the disease can be prevented by adjusting the humidity during periods of intense sunlight and dry air. You can do this with constant watering and also by making 1-2 short sprinkling during the day.

3. One of the most inexpensive control solutions for white powdery mildew is baking soda. Even if its role will be more preventive, baking soda will offer you incredible benefits to protect your plants. Thus, try this solution for your sprinkling on the leaves. Mix together:

– 1 tablespoon of baking soda
– 1/2 teaspoon of liquid soap
– 1 gallon of water

Be sure to not use it excessively since it can burn the leaves of some plants. You should also keep in mind that the plants should be watered consistently before applying this solution. After a while, sprinkle a little mixture on a smaller surface to see how your plant will react to it. If everything goes well, you can safely use this solution but not in sunlight.

4. In addition, you could add one tablespoon of ultralight horticultural oil to the above mixture. This oil with smother the white powdery mildew. Thus, the leaf surfaces will have a better chance of getting rid of the disease.

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