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

  March 17, 2025

  ago. The Stolk Brothers’ journey in horticulture began in 1925 when Pieter Stolk’s great-grandfather purchased land in Bergschenhoek and started growing [...] transition to biological crop protection was both a necessity and a calling. “In the early 90s, my father and uncle began working with Koppert, driven by firsthand [...] alternative.” That’s when they turned to Koppert’s biological solutions. At the time, biological pest control was seen as unconventional, even laughed at. “People

• Understanding Orius

  July 12, 2024

  tool in Integrated Pest Management systems (IPM)! Thripor (Orius insidiosus) is a common predatory bug that has been widely used in IPM-programs in North [...] stems but are more difficult to detect in these plant areas. In crops like cannabis, Thripor will have a harder time establishing because of the amount of [...] for over 20 years, especially playing a key role in the management of common thrips species. Over time, it has become more popular, as it provides an effective

• Less use of chemical pesticides due to Natutec Scout

  January 1, 1970

  The time of endless Excel sheets with rows full of scout data about disease and pest pressure is over for good at Scheurs in De Kwakel since they switched [...] conduct a weekly count of all sticky traps but also engage everyone working in the greenhouse to remain alert for pests such as the Onion thrips ( Thrips [...] The flower grower has been utilizing the crop scout app for a considerable time now, yielding positive outcomes. ''Scouting is more efficient, simple and

• Bumblebee Pollination Information For Canadian Fruit Crops

  June 11, 2024

  to pollinating these crops in the cooler, wetter conditions that frequently occur in Canada. Koppert is the largest producer in the world of bumblebee colonies [...] and bumblebee hives together in the same field. Honeybees for their mass numbers and bumblebees to maximize pollination in adverse weather conditions. Each [...] given a minimum 12-week order lead time. All QUAD s are independently certified to be free of pests & diseases. The best time to order QUAD s is between December

• Anso-Mite

  January 1, 1970

  g. European red mite , Panonychus ulmi ) and rust mites. Crops Do not use in tomato. Mode of action Predatory mites use their piercing mouthparts to extract [...] Carrier Bran. Application Mix carefully by turning around the bucket a few times Carefully sprinkle on the leaves Make sure the material remains on the leaves [...] range from 50-250 per m 2 /release. Releases should be repeated at least 3 times at weekly intervals or until control is achieved. Consult a Koppert advisor

• Black bean aphid

  January 1, 1970

  occurs early enough in the season, the death of young plants. Retarded growth and defoliation reduce yield. Plant sap is rich in sugars, but has a low [...] honeydew, contaminating fruit and ornamental crops. At the same time, photosynthesis in the leaves is reduced, affecting production. Life cycle and appearance [...] cycle, with both winged and wingless forms of adults and a great variety in colour. In greenhouses, reproduction takes place by parthenogenesis, with unfertilized

• Quad

  January 1, 1970

  pollinating the flowers while at the same time collecting pollen to feed the brood. More workers emerge from the brood in the weeks after the introduction, increasing [...] four large bumblebee colonies) are developed for open-field crops, blossoming in spring. Crops Stone fruits, pome fruits, strawberry, blueberry. Mode of action [...] After some weeks the colony will reach its maximum size and starts declining in size and pollination activity. Colony development depends on environmental

• Spidend

  January 1, 1970

  Make a hole in the lid and place the cup on the rock wool slab or directly on the soil Protect against direct sunlight and water Leave the cup in place for [...] are detected in the crop. Introduction rates typically range from 0.25-25 per m 2 /release. Releases should be repeated at least 3 times at weekly intervals [...] achieved in a humid environment (>80% relative humidity) and at temperatures between 20 and 27°C (68 and 81°F). Combined use Should be used in combination

• Miglyphus

  January 1, 1970

  Application Release parasitic wasps between the leaves of the crop in the morning or in the evening Dosage The dosage of Miglyphus depends on climate, crop [...] mines are visible in the crop. Introduction rates typically range from 0.25-3 per m 2 /release. Releases should be repeated at least 3 times at weekly intervals [...] parasitic wasps of Diglyphus isaea kill second and third instar leaf miner larvae in the mine and lay their eggs next to them. The eggs develop into parasitic

• Harnessing the Power of Parasitic Wasps

  March 21, 2024

  A Guide to Efficient Whitefly Management in Greenhouse and Ornamental Crops Whiteflies are common pests in greenhouse, ornamental, and agricultural settings [...] ing different control strategies. In this article, we will focus on the strategies for managing these whiteflies in greenhouse vegetable/ornamental crops [...] role in their management. Understanding Greenhouse Whitefly Greenhouse Whiteflies ( Trialeurodes vaporariorum ) are the most prevalent species in Canada