• Rhizoctonia solani

  cucumeris depend on the time of infection. In general, the fungus causes symptoms on all plant parts that are in or close to the soil. Early infection of the growing [...] Late infection causes top leaves to curl up. The fruits stay firm. The disease may also show up in storage. Potato tubers get a crusty layer (black scab). [...] long believed to be a sterile fungus, but recently it was discovered that the fungus produces basidiospores. These spores don’t play a role in the epidemics

• 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 [...] family’s dedication to innovation and sustainable practices led them through various crops—from lettuce to tomatoes, and eventually to their current specialty: [...] Brothers continues to feel the company’s personal touch. “Fifteen, twenty years ago, you could just call someone at Koppert and get a sample to try out. Things

• Ten Facts About Thrips

  August 18, 2021

  They're often difficult for growers to distinguish from each other. 3. In order to be effective against thrips, you need to know which intruder you are dealing [...] doubles its population in four days . So there's no time to lose! 8. Thrips has an additional weapon in its arsenal: the pupae are often in the soil. This stage [...] important facts about thrips to help you brush up your knowledge. Western Flower Thrips Frankliniella occidentalis on a leaf 1. How can you recognize thrips

• Heterorhabditis bacteriophora

  host, resulting in the emergence of a new generation of nematodes that can continue to seek out and infect other pests in the area. In this way, Heter [...] beneficial. Ask your Koppert representative/distributor for more information Spray in the evening (or morning in some cases) allowing nematodes to work for several [...] usually applied to the soil. This biological control method, offers a natural and environmentally friendly approach to pest management in agriculture and

• Steinernema carpocapsae

  host, resulting in the emergence of a new generation of nematodes that can continue to seek out and infect other pests in the area. In this way, Steinernema [...] beneficial. Ask your Koppert representative/distributor for more information Spray in the evening (or morning in some cases) allowing nematodes to work for several [...] and environmentally friendly method of pest management in agriculture and horticulture. How to apply Steinernema carpocapsae nematodes? Nematodes can be

• Thripex-Mini

  therefore need to be introduced to the crop as soon as possible after receipt. Failure to do so can have a negative impact on their quality. In case you do [...] cause slight damage to some crops, especially with a large number of mites and high humidity. Therefore consult your supplier prior to using Thripex and [...] is recommended to carry out a small field test to monitor the effects. Best working conditions The predatory mite is not susceptible to diapause and therefore

• Keeping thrips under control: plenty of options!

  July 24, 2022

  perfect aid in this regard. Further information Want to learn more about the options for controlling thrips in your crop? Don't hesitate to get in touch with [...] range of products to help you tackle thrips. You don't have to go into battle alone! When tackling a pest such as thrips , it is vital to work systematically [...] insect. They attach to the body and begin to grow almost immediately. Lastly, sticky traps and Rollertraps are important tools in ascertaining whether

• World Food Day 2021

  October 15, 2021

  pioneer in seed breeding - and how he and his company, East West Seed, encouraged small-scale farmers in South East Asia to use quality seed to grow vegetables [...] Resilience Food Stories In this video Sjoerd Wartena tell us how he started a goat farm in France and underwent a metamorphosis in lifestyle by living off [...] Summit held in Rome last month has called for bold new actions to transform the way the world produces and consumes food, with the aim of getting back on track

• Aphids

  twist as they feed on the plant sap. How to prevent aphids To prevent aphid infestations in crops, you can take several preventative measures: Practice [...] belonging to the order Hemiptera . The aphids discussed here all belong to the family Aphididae, a family containing many species that cause damage in cultivated [...] moults, betraying their presence in the crop. There are two types of aphid species: those that change to other host plants in the winter, and those species

• Sustainable Cultivation Goes Much Further than Pests and Natural Enemies

  August 18, 2021

  techniques and technology are growing in importance in response to Koppert's broaderfield of work. ‘If we can get to know and understand the plant better [...] If you have the scope to invest in the latest technologies, you can take care of much more yourself than you used to be able to, as long as you have qualified [...] soon be used to detect pest hotspots in the enormous areas of land devoted to these crops. Other drones can then drop the natural enemies in exactly the