• Spidex Vital Plus – Effective spider mite control in a sachet

  through faster growth, and proof of predation. Once the predatory mite has consumed several spider mites, the colour will gradually change to the characteristic

• Greenhouse whitefly

  symptoms The larvae of whitefly need a lot of protein for growth, and thus consume a large quantity of plant sap. This contains a high proportion of sugar

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

  February 17, 2025

  planning for the future.” As horticulture evolves, Pieter believes that consumer education will be crucial. “People still associate clean-looking plants [...] behind some residue, it’s proof that biological control is working—but consumers don’t always see it that way yet.” Despite the challenges, Pieter remains

• Bacilirid

  vegetables, and fruits, including fruit and vegetable transplants grown for the consumer market, and other labeled greenhouse-grown crops Diseases Botrytis, Fusarium

• Phytoseiulus persimilis

  protonymph and then start to feed on spider mites. The quantity of prey consumed depends on the predator and prey populations, the sex and age of the predator [...] between 15 and 25°C. At about 20°C with good prey supply, an adult female consumes up to five adult spider mites or 20 young larvae or eggs per day. Because

• Fytofert-S: Spray smarter. Grow stronger.

  market-ready : Ideal for growers who want sustainable solutions that align with consumer and retailer demands for eco-conscious farming Safe for beneficials :

• BioSulfur-S: Healthier crops, effortless application

  market-ready : Ideal for growers who want sustainable solutions that align with consumer and retailer demands for eco-conscious farming Safe for beneficials :

• Reducing our CO₂ footprint, one bottle at a time

  August 6, 2025

  the practical needs of growers. The new bottles are made from 50% post-consumer recycled plastic and 50% post-industrial recycled plastic. The material

• Koppert Attends NECANN Boston 2025

  February 28, 2025

  questions or to set up an appointment. Representatives from our direct-to-consumer branch, Natural Enemies , will be guests in the booth this year as well

• Aphidius matricariae

  to penetrate the aphid’s body and siphon off its nutrients, effectively consuming the host from within. This feeding strategy is highly efficient, allowing