New predatory bug limits establishment of Nesi in tomato
Researchers have found three species of predatory bug in the Miridae family that can limit the establishment of the harmful predatory bug Nesidiocoris tenuis
Chrysanthemum growers finally get thrips control back on track
Dutch chrysanthemum growers are feeling quite optimistic about thrips control. After years of high pest pressure, growers are getting more adept at integrated pest
Spread of plant viruses calls for vigilance
Viruses are among the smallest pathogens infecting other living organisms. Plants are also susceptible to a large number of viruses that can cause serious
Crop protection products much more effective with adjuvants
Crop protection products are sometimes unfairly labelled as losing their efficacy against pests or diseases. On closer investigation it becomes clear that these products
Mycosphaerella
The fungus Mycosphaerella, also known as Didymella bryoniae, can cause serious problems, particularly in cucumber cultivation. It can infect leaves, stems, flowers and fruits.
“Hygiene protocol and resistant varieties go hand-in-hand”
As a cucumber grower you have to have iron discipline and nerves of steel. An apparently invisible enemy – CGMMV – is always lurking
Robot for scouting plants in greenhouses
A consortium of three companies, Ecoation, Metazet FormFlex and Micothon, has launched a new robot for scouting plants in greenhouses. Revolutionary patented sensors register
Erwinia
Erwinia is a bacterial disease that can cause damage in a range of crops. It often produces watery looking, rotten patches on the leaves,
Only a systematic approach can limit excessive root growth
Virtually nothing can be done about excessive root growth. However, this troublesome bacterial disease doesn’t always get the chance to develop. Other microorganisms that
Chrysanthemum white rust
The first symptoms of chrysanthemum white rust (Puccinia horiana) are visible on the upper side of the leaf. These are light green to yellow
Innovations in crop protection ready to put into practise
Researchers and companies are continually developing new techniques for greenhouse production. Therefore, in principle crop protection can reach a much higher level. But to
Iron is essential for photosynthesis and respiration
Iron plays a major role in photosynthesis. That’s why a shortage directly affects the production capacity of the plant. The application of chelates has
Use compost to increase resistance to plant diseases
In biological cultivation every opportunity to control soil-borne diseases is a bonus. The idea of providing compost components that can make the soil more
‘With good bacteria and fungi you can win the war in the slab’
Plants are just like people. The fitter they are, the more resistant they are to diseases. But how do you create such a fit
‘De-leafing curbs energy loss’
Evaporation - and therefore energy loss - can be limited by removing excess foliage. This principle is, however, applied to only a few crop



