Researchers have found three species of predatory bug in the Miridae family that can limit the establishment of the harmful predatory bug Nesidiocoris tenuis
Rhizoctonia solani is a soil fungus with a wide host range and worldwide distribution. Host plants include almost all vegetables, flowers, shrubs and trees.
One of the main tasks of the Smart Materials project was completed last year. Greenhouse simulation models were used to explore the potential effect
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 are sometimes unfairly labelled as losing their efficacy against pests or diseases. On closer investigation it becomes clear that these products
The fungus Mycosphaerella, also known as Didymella bryoniae, can cause serious problems, particularly in cucumber cultivation. It can infect leaves, stems, flowers and fruits.
As a cucumber grower you have to have iron discipline and nerves of steel. An apparently invisible enemy – CGMMV – is always lurking
Predatory mites are the most important natural enemies used for biological pest control in greenhouse horticulture. Many of these predatory mites are mass-reared on
Thrips are one of the biggest threats chrysanthemum growers face. But this hasn’t put off River Flowers in the central Dutch town of Zaltbommel:
Growing media must allow plants to develop healthily all the way from the potting area to the living room. The correct acidity or alkalinity
Dutch Rhododendron grower Frans Kortenhorst was looking for a way to get rid of weeds and moss in his pots for good. He cut
Pest monitoring forms the basis of good biological control. Knowledge of the ratio of harmful and beneficial insects is indispensable in determining the necessary
The predatory bug Orius has been used to control thrips in sweet pepper for many years with great success, but the results have so
Supplementary feeding of predatory mites with a pollen preparation has outgrown the trial phase. A large number of growers is successfully using this method.
More and more research is revealing that endophytes – microorganisms that live in the plant without harming it – can significantly boost a plant’s
Penicillium chrysogenum is a beneficial fungus whose Latin name means “painter’s brush”, after the shape of the branched hyphae bearing rows of black/grey spores.
The management of Koppert Biological Systems received a Royal Award on 15 September. Paul Koppert and Henri Oosthoek received the award from mayor Pieter
A tomato that has optimised its defence mechanism against insects will not only suffer less damage from caterpillars, but will also incite caterpillars to
As every grower knows, thrips are a huge problem in ornamentals grown under glass. The usual suspect is the Californian thrips, a species with
Several growing areas in the Netherlands and Belgium had to contend with them last year: Bemisia tabaci and tomato russet mite. These two pests