• Got Mealybugs? Here’s The Solution.

  July 17, 2025

  miss it. You can watch them clean up a plant in as little as 15 minutes after they are applied, chasing mealybugs into the nooks and crannies of dense [...] long way. Koppert typically recommends one pound, per acre, per week to effectively control most species of mealybug. Both of these products are often used [...] Work with your Koppert consultant to dial in a cost-efficient, highly effective solution tailored to your specific crop, for the long haul. Connect with

• Koppert is Investing in Smarter Scouting

  May 29, 2019

  to scout more efficient and more accurately. This app will be available after summer for most subsidiaries. Although the processes of manually scouting [...] relation to one another. The dashboard also integrates the application and effects of chemical corrections. ‘This method gives growers good insight into the [...] number of clients who are testing the app. The scout-app will be available after summer (for now the Netherlands only). ‘Thanks to this innovation, growers

• Koppert appoints Hans Peters as Chief Executive Officer

  April 28, 2026

  announces the appointment of Hans Peters as Chief Executive Officer (CEO), effective May 1st, 2026. Hans Peters brings extensive international leadership experience [...] globally, and Koppert is uniquely positioned to lead that transformation.” After a transition period of two months, Paul Koppert and Henri Oosthoek will return

• Thrips parvispinus: The Tiny Pest Growers Can't Afford to Ignore

  August 18, 2026

  Understanding how this pest behaves is the first step toward developing an effective Integrated Pest Management (IPM) strategy. What Makes Thrips parvispinus [...] grow elsewhere in the crop. In some cases, visual symptoms may appear only after the pest has already established itself and caused measurable damage. Adding [...] misidentification. Accurate diagnosis is therefore critical to developing an effective management program. A Growing Challenge for IPM Programs The emergence

• Tobacco whitefly

  d piercing-sucking mouthparts and begins to feed on plant sap very soon after emerging. The insect is covered with a white waxy substance. The adult of

• Encarsia formosa

  adjusted to the particular situation. Start introduction preventively soon after planting of the crop. Introduction rates typically range from 1-10 per m [...] conditions for Encarsia formosa The parasitic wasp Encarsia formosa is most effective at temperatures between 20°C and 25°C (68 and 77°F). At a 24 hours average [...] Encarsia formosa Encarsia formosa is a parasitic wasp renowned for its effectiveness in controlling whitefly populations, particularly the greenhouse whitefly

• Why Isarid is a grower-approved ally against pests in ornamentals

  August 31, 2022

  chance! IPM: The Path to a Successful Approach The How and Why of IPM Effective Biological Control: Keep a Close Eye on Everything Green Valley Greenhouse [...] used for occasional applications is now their main insecticide resource: 'After two to three consecutive weeks of use, yellow card counts show a noticeable [...] resources that come along when purchasing Koppert's products: 'The side effects app is very helpful when considering what to spray that won't be harmful

• Botrytis: ten must-knows

  November 15, 2021

  identifying common diseases, implementing preventive measures, and employing effective disease management strategies, growers can protect their crops from harm [...] detailed information on damage symptoms, development, preventive measures and effective control strategies. Grey mould Botrytis cinerea Fungi and Bacteria Deserve [...] or at very high humidity (> 93%). Even moisture released by wounds (e.g., after leaf picking) is enough for the mold spores to germinate. That's why it's

• Beneficial nematodes

  developing through multiple juvenile stages into mature adults. Emergence: After consuming the host insect's tissues and the bacteria, thousands of new nematodes [...] species include: Steinernema feltiae : These cold tolerant nematodes are effective against a wide range of soil-dwelling pests, including fungus gnats , vegetable [...] vegetable crops. Steinernema carpocapsae : This species is known for its effectiveness against pests such as wireworms, various caterpillars , and weevil and

• Trianum-P improves open field pepper production in Portugal

  results obtained with Trianum make Koppert's biological fungicide a safe and effective alternative to pesticides in vegetable crops for the processing industry [...] for the processing industry in Portugal is exported to other countries after undergoing different processes such as freezing or cooking. The main vegetable