Causes leaf spots on, for example, cucumber, grapes, lettuce and roses. Recognisable by the yellow-grey to crimson spots on the top of the leaf and the grey powdery coating underneath the leaf.
Spray with Argicin®Plus.
In the case of a severe infection, we recommend combining Argicin®Plus with Cuprum.
The following combination achieves particularly good results in the greenhouse sector (e.g. cucumber production):
- drip feed SalicylPure from the B fertilizer feeder, and
- apply Cuprum via LVM