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How to Get Rid of Powdery Mildew

HOW TO CONTROL POWDERY MILDEW ON PLANTS

Among the plant diseases known to gardeners, powdery mildews are one of the most widespread and common culprits that affect a wide range of plants. These destructive fungal disease infect plants during the winter and spring months, and is easily recognized through its light grey or white powdery appearance—white spots that eventually cover the leaves of its host plant.

How do you prevent powdery mildews from inflicting damage to your plants? How would you treat a plant infected with this disease? Learning these basic know-hows will provide you with the necessary care and maintenance tips to control powdery mildew on your plants.

What is Powdery Mildew?

Powdery mildew is a fungal disease thriving in warm, dry climates, mostly prevailing in spring and fall. These leaf parasites grow mainly on the surface of a plant's living tissues, sometimes on stems, flowers, fruits or vegetables too.

There are powdery mildew species that are high host-specific such as the crape myrtle mildew which attacks a single kind of host plant. On the other hand, some species are known to attack a variety of plants.

While most plants are susceptible, certain species are most likely harmed more than any other plants. For example, roses, dahlias, tomatoes, zucchini, squash, and cucumbers tend to be infected more than other plants, especially when grown in conditions favorable to powdery mildews. When left unchecked, infected plants may experience minor damage such as withered or distorted leaves and slower growth development.

Preventing Powdery Mildew

Prevention is always better than cure. Before powdery mildew has infected your plants or to prevent re-infection, follow these tips to maintain an environment that does not encourage mildew growth:

General Recommendations for Treating Powdery Mildew

There are many home remedies that gardeners can use to treat existing infection. However, multiple application is needed to completely treat the affected area. Additionally, it may take three to four weeks to see visible results. Some common remedies include the following:

Whichever method you choose, it's best to settle with the highest-quality possible for your plants, especially when it comes to the pruning shears you use. Preventing and controlling powdery mildew may be challenging, but following these tips will help you reduce possible outbreaks and any further damage this disease can create.



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