How to successfully fight him

What is the cause of powdery mildew in lupine?

For powdery mildew at the lupine come basically the following two causes considering:

• The Location is too wet.
• The lupins are planted too close together.

Both individually and in combination, these two circumstances can lead to the development of powdery mildew on the lupine favor.

How do I recognize powdery mildew on lupines?

You can recognize powdery mildew on the lupine by one white coating on the upper side of the leaves. This occurs over a large area and can be wiped off.

Downy mildew in the lupine is expressed through yellowish spots on top and one gray to grey-purple fungus on the underside the leaves.

What to do if the lupine is sick with powdery mildew?

If your lupine is sick with powdery mildew, you should Cut off affected plant parts. Then treat the plant with a suitable one fungicide. Do without chemical clubs; instead, choose eco-friendly products that are based on net sulfur or copper based.

Important: If the infestation is severe, it is better to remove the entire lupine to prevent the fungus from spreading to surrounding plants. You can simply dispose of infested plants (parts) in the compost, as the fungus dies there - it only survives on living plant tissue.

How can I prevent powdery mildew on lupines?

The best way to prevent powdery mildew on lupine is to Plantenough distance to comply with 40 to 50 centimeters should already be. And: Only water from below and make sure that the Do not wet leaves with water.