How to Stop Mildew Growth on Plants
Mildew on plants is often white or light gray in color and may be present on either the surface or underside of leaves. Whether your plants are suffering from powdery or downy mildew, there are ways to stop the growth of plant mildew. Follow these three steps as soon as you notice indications of mildew growth.
Step One: Identify the Mildew
Start by identifying whether you are dealing with powdery mildew or downy mildew. Powdery mildew usually looks like white splotches that spread across the surface of the leaves on a plant. Powdery mildew is not necessarily fatal to plants, but it is still a good idea to try to restrict the spread of this parasitic fungus. Downy mildew typically grows on the underside of leaves and is either white or light gray in color and may have small black flecks.
Step Two: Prune the Plants
Remove infected portions of the plant and destroy them to limit the spread of plant mildew. This is also a good way to improve air circulation. It is a good idea not to fertilize plants that are suffering from mildew, and avoid watering these plants from above.
Step Three: Use a Fungicide
If you are dealing with stubborn powdery or downy mildew, you may want to rely on a fungicide to take care of the problem. Be sure to use the right type and strength of fungicide for the affected plant. Most fungicides must be reapplied every one to two weeks to prevent mildew from returning.
If you still struggle with plant mildew after following all of these steps, you should assess the environment in which your plants are growing. You may want to seek the professional opinion of mold and mildew experts in San Antonio, TX. High levels of humidity and insufficient air circulation are two major culprits when it comes to mildew growth.
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