Plant Health

substances. Plant Health Products Embracing a systems approach for sustainable agriculture Recognizing the negative impacts of food production, growers are tra

Knowledge

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

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

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

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

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

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

Woolly apple aphid

General The woolly aphid, Eriosoma lanigerum , is a serious worldwide apple pest. It is probably of North American origin and has been distributed to other parts of the world mainly via infested apple