Apple scab

released and repeat the cycle of infection of new plant parts and spore production. In autumn, the fungus produces new pseudothecia in leaves that have already

Knowledge

A dive into organic hop farming and biological crop protection

the agricultural landscape. As Lukas steers his hop farm towards organic production, setbacks have been inevitable. However, amidst the challenges, there

Beet armyworm

General The beet armyworm (Spodoptera exigua) has become a regular problem for horticulturalists due to its resistance to nearly all insecticides, and its ability to develop on wild vegetation during

Cutworms

General Cutworms ( Agrotis spp.) are occurring worldwide. Important species are for instance the black cutworm Agrotis ipsilon and the turnip moth Agrotis segetum . The larvae of these moths usually f

Powdery mildew

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

Codling moth

General The codling moth ( Cydia pomonella ) is a notorious, worldwide pest of apple and also occasionally of pear, quince, peach and other fruits. It is very common in Europe. Damage symptoms After i

Beneficial microorganisms

, causing internal damage. This can lead to the insect's death. Spore production: As the insect succumbs to the fungal infection, the fungus continues

Western flower thrips

General The western flower thrips (Frankliniella occidentalis) is currently the most damaging thrips species in many greenhouse crops. The western flower thrips (Frankliniella occidentalis) can be fou

Spotted Wing Drosophila

General Since the start of its invasion in 2008/2009, the spotted wing drosophila, which is originally from Asia, has spread extensively in North and South America and Europe where it has caused sever