• Transforming crop protection: the rise of predatory mites

  September 8, 2025

  in Campo de Cartagena and Almeria greenhouses - two pests that had become nearly impossible to manage with chemical treatments. Resistance to pesticides

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

  March 17, 2025

  It all started nearly a century ago. The Stolk Brothers’ journey in horticulture began in 1925 when Pieter Stolk’s great-grandfather purchased land in

• Treatment of bumblebee stings and allergies

  January 1, 1970

  reaction, in particular if the person was stung in a sensitive location, such as near the eyes. As soon as possible after being stung, the person should take an

• Do you think you have Cannabis Pests?

  June 27, 2024

  cannabis crop at first can be difficult. Infestations usually begin on plants near walls, posts, or doors. Initially the damage will start off as small yellow [...] treat this pest. Initially, we always suggest placing yellow Horiver cards near the soil line, as these cards will capture mass amounts of sciarid fly adults

• Maximizing Bumblebee Pollination in Canadian Fruit Crops

  July 15, 2024

  from overheating. That’s why Quads should always be placed in shaded areas, near a tree line, or under Koppert’s specially designed Quad Shades. Providing

• Trial results onion fly and bean seed fly

  January 1, 1970

  onion, corn and cabbage. Bean seed flies damage crops by laying their eggs near plant bases. Hatching larvae tunnel into the soil and feed on roots, stems

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

  January 14, 2025

  for his crops. He also devoted half of his land to creating a tiny forest near his greenhouse, instilling a deep commitment to sustainable agriculture in

• Predatory mites

  January 1, 1970

  larva, protonymph, deutonymph and adult. Predatory mites lay their eggs near pest-infested areas. The larvae have three pairs of legs. Depending on the

• Horiver Sticky Cards: A Powerful Tool for Pest Management and Prevention

  May 27, 2024

  fungus gnats, shore flies , root aphids , or thrips pupae, place the cards near the soil line for all crops. Expanding Our Range: What products/colors to

• Predatory mite pioneers: A journey of biocontrol innovations

  October 21, 2024

  customers. Peter: “In 2021, we opened a predatory mite plant in Howell, Michigan, near Detroit. This location allows us to serve growers across the United States