Causes disease, for example, in Begonia, Hedera, strawberry and various tree nursery crops such as Prunus.
Spray (or apply via LVM) with Argicin®Plus (or Algicin® in organic production).
Tip: spraying often achieves a better result than LVM as the product is spread more evenly over and, more importantly, penetrates more deeply into the crop.
SalicylPure is applied in combination with Argentum in greenhouse production. In this case, drip feed SalicylPure and administer Argentum via LVM.