• Cabbage moth

  accumulates in the heart of cabbage, thereby lowering the commercial value of infested crops. Life cycle and appearance of Cabbage moth The adult cabbage [...] from their pupae the female moths lay clusters of 20 to 100 eggs on the underside of leaves or elsewhere within the greenhouse structure. The eggs are initially [...] light network of markings. First instar larvae of the cabbage moth (Mamestra brassicae) are gregarious, eating the edge of the leaves on which they were

• World Soil Day – Soils, where food begins

  December 5, 2022

  diseases in a way that does not impact on soil life. In this we are a partner of the UN’s Sustainable Development Goals. Did you know that? 95% of our food [...] Every year, the Food and Agriculture Organization of the United Nations holds a ‘World Soil Day’ during which it aims to raise awareness of the importance [...] practices Protecting the soil-food web Nutrient recycling Opting for biological pest management Adding organic matter to the soil instead of artificial fertilizers

• Greenhouse whitefly

  found on the oldest leaves. The adult emerges from the pupa via a T-shaped fissure. The adult whiteflies can usually be found in the top of the plant and [...] influence the development of fruit and lead to a reduction in yield. The honeydew deposited on fruit makes it sticky. Dirt adheres to the fruit, and the growth [...] adult. The larvae are found on the underside of young leaves and have an oval shape. The first instar larvae (crawlers) are mobile, whereas the rest of the

• Aphipar-M

  develop inside the aphid, which converts into a leathery mummy. The adult parasitic wasp emerges through a hole at the rear of the mummy. The first mummies [...] control of Myzus persicae Whitepaper new Myzus persicae genotype Application Spread the material on rock wool slabs or in Diboxes Make sure the material [...] persicae ). Mode of action Adult parasitic wasps emerge from the mummies and females lay their eggs into aphids . The next generation of parasitic wasps

• Time For A Tune Up

  March 2, 2026

  getting out of control, and any blind spots in the existing IPM program can be promptly found and remediated. Starting with an overview of the crop and current [...] partner with nature to find answers to agricultural challenges and restore the natural balance of our planet. Founded by cucumber grower Jan Koppert in 1967, [...] a good time to call in the experts. Koppert’s Technical Consultant team knows the entire IPM process. Our experts understand all the moving parts—not just

• Municipality Doetinchem: Entonem nematodes managing oak processionary caterpillar

  that the use of nematodes helps to reduce the level of infestation. ‘By using Entonem and extracting the nests as a curative measure, we can keep the situation [...] for now. In the longer term, improving biodiversity will have an important role to play – breaching the monocultures of the oak and stimulating the natural [...] oak trees in the forests and plantations around Doetinchem. Marc van Rijswijk is the spokesman for Buha, the implementing organization for the Municipality

• Western flower thrips

  causing the surrounding tissue to die. The resulting silver-grey patches on leaves and the black dots of their excreta indicate their presence in the crop [...] occidentalis) usually pupate in the ground, although pupae can also be found on leaves, in flowers or in other sheltered places. The prepupal and pupal instars [...] General The western flower thrips (Frankliniella occidentalis) is currently the most damaging thrips species in many greenhouse crops. The western flower

• Finish Clean with an IPM Based Program

  August 10, 2021

  out of the soil. The soil blankets the roots which are used as a highway for nutrients to the plant to help promote strength and growth of the plant. To [...] These chemicals have been banned in many countries because of the harm they inflict on people, the planet, and many types of pollinators, including bumblebees [...] eliminate the use of neonictinoids on these plants. Neonictinoids are harsh chemicals that growers spray on their plants to terminate pests that feed on the

• Koppert Attends NECANN Boston 2025

  February 28, 2025

  cannabis growers in the US and abroad. For commercial and other serious cannabis growers a clean crop is of the utmost importance, so stop by the Koppert booth [...] experienced cannabis growers who understand the plants and the industry. They’ve dealt with most, if not all of the pest problems that trouble cannabis, including [...] be on hand to answer questions or to set up an appointment. Representatives from our direct-to-consumer branch, Natural Enemies , will be guests in the

• Why We Do, What We Do

  May 4, 2018

  Future Generations The world population will continue to grow rapidly in the coming years and will exceed the 9 billion mark by the year 2050. It is a [...] provide all these people with healthy and safe food in the future. Natural resources are limited. The use of chemical crop protection products and artificial [...] principles and exercise respect for the natural ecosystems. Koppert is continually looking for the answers that are locked in nature itself to then make them applicable