Powdery mildew

(RH) promotes germination of spores but inhibits spore production, so the net effect of the RH is very small. Wind and draught in greenhouses promote disease

Amazone Plants continues the path of organic cultivation

’ Wim tell us. ‘The predatory mites continue to emerge from the insect netting at a good rate over a longer period. This means that there is always a strong

Pierce's disease of grapevine

How to prevent Pierce's disease of grapevine Control vectors by using netting or applying insecticides Remove wild host plants and weeds to reduce the

General Conditions Koppert

Article 4. Prices 4.1 Unless agreed otherwise, Koppert’s prices are always net and therefore exclusive of insurance, freight, duties, and VAT among others