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

  February 17, 2025

  years, and now you can’t imagine horticulture without biological pest control.” A partnership rooted in trust The connection between Stolk Brothers and Koppert [...] purchased land in Bergschenhoek and started growing lettuce. Over the years, the family’s dedication to innovation and sustainable practices led them through [...] tomatoes, and eventually to their current specialty: anthuriums. For Pieter Stolk, the transition to biological crop protection was both a necessity and a calling

• Keep a Close Eye on Thrips

  May 21, 2020

  quite some time already. At high temperatures, a week and a half passes between the hatching of an egg and the adult insect flying around. At low temperatures [...] spot the thrips infestation as early as possible, and to detect the larvae too. After all, the sooner you can identify the thrips problem, the better the [...] glass is an indispensable tool. It also helps if you know where to find the larvae. In some crops, you will find them mainly in the heads of the plants

• Effective Biological Control: Keep a Close Eye on Everything

  April 9, 2019

  in order to recognize and ‘identify’ them. Where should you look to find insects? This varies by crop and by pest. Sometimes you need to focus on the top [...] insects such as thrips and whitefly are often first seen on the sticky trap. By counting regularly and keeping track of the results, you can maintain a good [...] IPM app Biological control is much more effective if you have a clear picture of what is happening. You should establish whether the infestation is getting

• How do you identify a ‘thrips intruder’?

  September 20, 2021

  the thrips and examine their colour, length, shape of the antenna, hairs on the head and thorax, pattern on the head and thorax, fringe and hair on the [...] the forewings, and pattern on the forewings. Get in touch with us and let us help you identify the thrips problem you are dealing with, as choose the best [...] low in the crop, and you will almost never find them on the sticky traps. In short, a busy, striped insect is probably setosus. If you find a slow, striped

• Swirski-Mite Helps You Stay in Control

  April 29, 2019

  Aid for Problems with Thrips and Whitefly Long Lasting Protection From Thrips and Whitefly If you're fighting thrips and whitefly , then Swirski-Mite is [...] because a pest is gaining more and more terrain in your crop. You can easily introduce many predatory mites in one go. If you want to gradually apply predatory [...] as how many prey there are and whether other food sources such as pollen are available. The microclimate – the temperature and humidity around the leaf –

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

  traditional and organic agriculture come together. Koen shares his personal experiences and insights about the future of agriculture, where traditional and organic [...] practices complement each other, and how organic and traditional farming are getting closer together. "The mix between traditional and organic is actually quite [...] increasingly critical. Society expects more and more that agriculture is environmentally friendly and responsible. And that the vegetables consumers eat are

• Mealybugs and scales

  beetles and lacewings help reduce mealybug and scale populations by attacking both larvae and adults. Pheromone traps support early detection and population [...] wingless and immobile, and covered with a hard scale (armoured scales and soft scales) or with waxy threads (mealybugs). They suck the sap of plants and are [...] Biological control of mealybugs and scales Mealybugs and scale insects are persistent pests that feed on plant sap, weakening crops and producing honeydew that

• Treatment of bumblebee stings and allergies

  sting and treatment. Download the poster version of Bumblebee stings and allergies through the link below. Download poster Bumblebee, honeybee, and wasp [...] incident, and per person. The stinger of a bumblebee or a wasp has no barbs. This means that the worker and queen can withdraw their stinger and are able [...] symptoms plus difficulties in breathing and/or a feeling of suffocating Level 4 - level 1 and/or 2 and/or 3 symptoms plus heart palpitations, fainting, anaphylactic

• Crop Monitoring and Scouting

  monitoring and scouting In the world of agriculture and horticulture, the phrase "knowledge is power" couldn't be truer. Crop monitoring and scouting are [...] insights into the health and growth of their crops, enabling them to take proactive measures and optimize their yield. Crop monitoring and scouting is the systematic [...] identification and prompt action. By employing insect traps, such as sticky traps and pheromones, growers can promptly detect the presence of pests and respond

• Spider mites and other mites

  spider mites and other mites Spider mites and other mite species can rapidly infest greenhouse and field crops, feeding on plant cells and causing leaf [...] mite eggs, larvae, nymphs and adults. Predatory bugs and gall midges complement this activity by seeking out mite hotspots and reducing outbreaks quickly [...] habitats, from forests and grasslands to horticultural and agricultural crops. Plant mites can be a significant pest in horticulture and agriculture, causing