• How a little predatory mite laid the foundation for biocontrol today

  June 5, 2024

  cucumber grower battling with persistent spider mite infestations when he struck on the idea of a natural enemy for this pest,’ Paul Koppert, former CEO and son [...] hurdles, the predatory mite began to show promise. ‘My father had given up on chemical agents as their effect had diminished. He was very persistent when [...] supermarkets imposed higher requirements for stricter control of chemical residues on fruit and vegetables. This forced growers to look for safe solutions, and

• Combating Strawberry Aphids with Aphiscout

  March 15, 2019

  transmit plant virus diseases. Aphids also excrete unwanted sap sugars (honeydew) on the leaf surface, which favours the establishment of ‘sooty moulds’, leading [...] of photosynthesis. Collectively, these effects can have a negative impact on strawberry plant quality and crop yields. Discuss aphid control options with [...] Ephedrus cerasicola . A total of 250 wasps are released over 1-2 weeks, depending on temperature. This team of parasitic wasps has not been selected at random

• Personal message to our customers

  April 8, 2020

  World. So that you can continue to rely on our natural solutions. And that we can continue to work together on growing sustainable crops, in partnership

• Mycotal_-_Brochure_-_A4_-_EN_-_GS_Koppert_2025_-_Digital.pdf

  the fungus grows from within through the insect cuticle and produces spores on the outside of the dead body, which may spread the infection to other vulnerable [...] treatments. 04 Visible symptoms of Mycotal Symptoms of Mycotal infection on whiteflies, aphids and thrips in low and high humidity conditions. Healthy [...] late afternoon or early morning for the highest possible level of humidity on leaf surface Frequent applications are needed to break the pest cycle. For

• New Strain Of Green Peach Aphid, Myzus Persicae, Requires More Aggressive Beneficial Insects

  September 1, 2023

  colemani ’ ( Aphipar ) says Radbout. The quick fix protocol therefore focuses on Aphipar-M, which is more effective. ‘We have already proved its effectiveness [...] that is more effective. We are also testing entomopathogenic fungi that grow on aphids and a ladybird species from which the larvae take longer than the [...] researched too. ‘We will be doing side effect research with these new compounds on selected beneficials so we can solidify the protocol and recommendations for

• A life-long passion for predatory mites

  September 30, 2024

  crazy about biology and living creatures all my life. As a child I would lie on the grass and watch ants and spiders at work. At one stage I even kept snakes [...] snakes and poison dart frogs in my bedroom. Predatory mites happened on my path when I studied biology at the University of Amsterdam. They have fascinated [...] often approached by universities and institutions that seek our collaboration on many fronts and see us as a valuable partner. They recognise us as experts

• How to prevent Fusarium in pepper crops: Protect your plants with Trianum

  November 20, 2024

  including Fusarium oxysporum , Fusarium solani, and Fusarium lactis . Depending on the Fusarium specie, different symptoms can be observed. A Fusarium infection [...] the timely application of Trianum. Trianum is a biological fungicide based on the fungus Trichoderma harzianum strain T-22. This biological fungicide protects

• Sustainable cultivation goes much further than pests and natural enemies

  December 18, 2018

  industry which relies on mineral oil. ‘And we all know that mineral oil is a finite natural resource and that there are already restraints on its use due partly [...] natural and much less dependent on chemical crop protection products and artificial fertilizers.’ Technology is becoming cheaper On the other hand, research into [...] in place in many parts of the world,’ says Peter Maes, presenting his view on the future at the headquarters of Koppert Biological Systems in Berkel en

• Poinsettia. Main pest pressures

  May 21, 2019

  serious damage to the cuttings, to the extent of killing them. The larvae feed on the young roots of the plants, and can then progress into the stem, if not [...] damage, their scales and white waxy deposits are, unfortunately, highly visible on the undersides of the leaves, which can result in rejection and lost sales [...] 4-6 weeks of growing, prior to the first spacing. After spacing, and based on the sticky trap counts of adult whitefly , this can be adjusted accordingly

• Cyclamen main pest pressures

  May 17, 2019

  cause plant damage, by piercing cells on the leaf surface, and sucking out the contents. This causes silver-grey spots on the leaves, with dark green spots [...] Macrocheles robustulus , across the plants. This generalist predator will feed on thrips pupae in the growing medium, and any larvae that fall off the foliage