• A legacy of sustainability: Stolk Brothers and Koppert’s shared vision

  March 17, 2025

  family’s dedication to innovation and sustainable practices led them through various crops—from lettuce to tomatoes, and eventually to their current specialty: [...] experience of the impact of chemical pesticides. My father developed severe eczema from handling chemical sprays, and it became clear that we needed a better [...] Brothers continues to feel the company’s personal touch. “Fifteen, twenty years ago, you could just call someone at Koppert and get a sample to try out. Things

• How beneficial nematodes control onion fly

  death of the pest within a short period. Additionally, Capirel is easy to apply, it can be sprayed or injected via irrigation, offering flexibility to fit [...] growers can achieve a good harvest yield. Effective control of the onion fly ensures that the harvested onion bulbs are free from damage and of high quality, [...] significant damage to the roots and bulbs of onions and related plants, sometimes even killing seedlings. To combat this threat, growers are using beneficial

• Towards a chemical-free future in agriculture: The vision of grower Koen

  too quick to completely abandon traditional methods. He decided to find a balance between both approaches. This way of working allows him to gain experience [...] using biological crop protection . As a result, he acquires a lot of knowledge and is prepared to fully transition to biological crop protection when the [...] approach stemmed from both practical considerations and a conscious choice. Inheriting the farm from his parents, Koen had the opportunity to continue the

• A life-long commitment to help growers thrive with sustainable growing practice

  January 14, 2025

  solutions work required a shift from a curative mindset to a preventive approach — aiming at a natural balance in their crops and how to maintain it," she explains [...] severe reduction in the use of chemical agents. In fact, a lot of them are going to disappear over the next three to five years due to more stringent regulations [...] his land to creating a tiny forest near his greenhouse, instilling a deep commitment to sustainable agriculture in Rianne from an early age. "I believe I

• Just How Compostable are Ulti-Mite Sachets?

  October 23, 2019

  more than just a ‘foil’. The special foil itself (containing 0% plastic!) is made up of a number of components which together create a perfect breeding [...] and the timeframe is limited to 12 weeks. For example, an apple on the side of the road or a tomato in the green waste of a greenhouse company. Industrial [...] tomato. To keep degradation of these materials in a specific time frame, we lend nature a helping hand and create the perfect artificial setting to degrade

• An impressive range of predatory mite solutions thanks to continuous research and innovations

  September 3, 2024

  Koppert has gone on to explore and develop a range of predatory mites that can now be successfully applied to a wide range of crops, including vegetables, o [...] make biological control a mainstream method in a growing number of crops. There is a world to win out there, and we are confident that our predatory mites [...] generation at Koppert to step into the shoes of our founder, but our mission remains unchanged, and that is to work towards the better health of people and the

• Black leg of seedlings

  stripping of the skin from the root cortex with a finger nail. Life cycle and appearance of Black leg of seedlings Pythium belongs to the Oomycetes, a separate [...] Germination of the oospores is stimulated by exudates from roots of a susceptible host nearby. The oospores germinate and form so-called sporangia from which [...] and very little of the root system survives. On the border between air and soil or substrate the plant turns brown. A typical symptom of a Pythium infection

• Bacterial canker of tomato

  structures Use a crop rotation in field crops of at least two years and alternate with a non-host crop Apply deep-ploughing to stimulate the decay of crop residues [...] General Clavibacter is a quarantine organism in Europe, which means that strong efforts are used to prevent the bacterium from entering. When the occasional [...] usually white with a brown centre. In potato, the disease usually only occurs in the second half of the season. The first symptoms are wilting of the lower leaves

• Downy mildew of Cucurbits

  nutrients from the living plant cells. The pathogens continue to grow inside the leaves and after a while new spore-bearing structures are protruding from the [...] on the underside of the leaf, this is where most fluffy symptoms are found. How to prevent Downey mildew Choose resistant cultivars Use a wide crop rotation [...] extruding from the stomata. Life cycle and appearance of Downy mildew Pathogens causing downy mildew are not fungi but Oomycetes and related to Pythium and

• The advantages of Trianum

  December 16, 2021

  reduces the ability of pathogens to develop or even survive. Trianum Trichoderma fungi are true parasites, and they use pathogens as a source of food. As Trichoderma [...] protection to the plant. Both benefit from this relationship and keep each other healthy and strong. Crops treated with Trianum are more resilient to stressful [...] extreme drought. It is therefore also possible to use this product preventatively. Get in touch with one of our experts