Powdery mildew is a type of fungal infection that can affect cucumbers. The infection appears as white or gray powdery spots on the leaves and stems of the plant.
If left untreated, powdery mildew can spread quickly and cause the leaves of the cucumber plant to turn yellow and eventually die.
The good news is that there are a number of ways to treat powdery mildew on cucumbers. Here are a few tips:
Also read: How To Identify Male And Female Cucumber Flowers

This fungal disease is caused by the same fungi that affect pumpkins, squash, and other cucurbit plants. The best way to prevent powdery mildew is to start with clean, healthy plants. Be sure to water cucumbers at the base of the plant, rather than from above, to prevent the leaves from getting wet and promoting fungal growth. If powdery mildew does appear, treat it immediately with a fungicide.
Powdery mildew is a fungal disease that can affect cucumbers, squash, pumpkins, and other cucurbit plants.
The best way to prevent powdery mildew is to start with clean, healthy plants.
Be sure to water cucumbers at the base of the plant, rather than from above, to prevent the leaves from getting wet and promoting fungal growth.
If powdery mildew does appear, treat it immediately with a fungicide.
Conclusion
Powdery mildew is a type of fungus that can affect cucumbers and other plants.
This type of fungus usually appears as a white or gray powder on the leaves of the plant.
Powdery mildew can cause the leaves of the plant to turn yellow, brown, or black. The fungus can also cause the plant to produce less fruit.