AT A GLANCE
You can recognize powdery mildew on hops by one white powdery coating on the leaves. Powdery mildew usually occurs on hops. You can recognize the rare occurrence of downy mildew by the rolled-up leaves with yellow-brownish spots and a growth of fungi.
How do I combat powdery mildew on hops?
This is an immediate measure for powdery mildew on your hops Remove the affected leaves. In the commercial cultivation of hops, fungicides are often used to combat the fungus. In your own garden you should home remedies access like milk. Mist the leaves with whole milk or buttermilk. Alternatively, you can also put a mixture of baking soda, water and canola oil on the leaves. Repeat this measure at least weekly and after every rain.
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Are there mildew-resistant hop varieties for the garden?
The Varieties Hallertau hops Merkur and Hercules are mildew resistant. The hop Merkur is suitable both as an ornamental plant in the garden and for commercial cultivation. It was the first newly developed variety that is not attacked by powdery mildew. The resistance to powdery mildew is based on a high content of alpha acids. As a climber, this hop reaches about 6 meters. The
fruits of this hop variety develop late. However, due to resistance to powdery mildew, you can enjoy them for a long time.Tip
Powdery mildew overwinters
If your hops are affected by powdery mildew, cut them back to 50 cm in autumn. Dispose of all cut parts and fallen leaves with household waste. Powdery mildew overwinters on dead plant parts, in the soil and on buds.