• Downy mildew of Cucurbits

  nutrients from the living plant cells. The pathogens continue to grow inside the leaves and after a while new spore-bearing structures are protruding from the [...] on the underside of the leaf, this is where most fluffy symptoms are found. How to prevent Downey mildew Choose resistant cultivars Use a wide crop rotation [...] extruding from the stomata. Life cycle and appearance of Downy mildew Pathogens causing downy mildew are not fungi but Oomycetes and related to Pythium and

• Bacterial canker of tomato

  structures Use a crop rotation in field crops of at least two years and alternate with a non-host crop Apply deep-ploughing to stimulate the decay of crop residues [...] General Clavibacter is a quarantine organism in Europe, which means that strong efforts are used to prevent the bacterium from entering. When the occasional [...] usually white with a brown centre. In potato, the disease usually only occurs in the second half of the season. The first symptoms are wilting of the lower leaves

• The advantages of Trianum

  December 17, 2021

  reduces the ability of pathogens to develop or even survive. Trianum Trichoderma fungi are true parasites, and they use pathogens as a source of food. As Trichoderma [...] protection to the plant. Both benefit from this relationship and keep each other healthy and strong. Crops treated with Trianum are more resilient to stressful [...] extreme drought. It is therefore also possible to use this product preventatively. Get in touch with one of our experts Recommended for you Why Some Thrips

• Black leg of seedlings

  stripping of the skin from the root cortex with a finger nail. Life cycle and appearance of Black leg of seedlings Pythium belongs to the Oomycetes, a separate [...] Germination of the oospores is stimulated by exudates from roots of a susceptible host nearby. The oospores germinate and form so-called sporangia from which [...] and very little of the root system survives. On the border between air and soil or substrate the plant turns brown. A typical symptom of a Pythium infection

• Ten tips to effectively tackle whitefly

  March 6, 2023

  seek the second opinion of a consultant. Don’t try to reinvent the wheel; plenty of knowledge and expertise exists already! Get in touch with our experts [...] you’ll receive a visit from whitefly sooner or later. As such, it’s a good idea to initiate preventive control measures as soon as possible before you even [...] Infestation Levels in Tomato Crops: A Look at the Top Four Does Swirskii Really Do What it's Intended To? Help! How Does Thrips get Into My Crop? Swirskii Predatory

• A viable alternative to chemical pesticides: Koppert’s natural enemies effectively control pests in outdoor crops

  August 4, 2023

  development of several other solutions is still ongoing. "We have developed a new and more cost-effective way to produce and package a type of beetle, a natural [...] advice and support from storage to application for growers transitioning to biological crop protection . This includes a review of the grower's Integrated [...] Rhyzobug – ready to deal with armored scales An impressive range of predatory mite solutions thanks to continuous research and innovations How a little predatory

• Time For A Tune Up

  February 27, 2026

  but all the pesticides as well—and how those parts fit together to make a program work. They’re like a pit crew for a Formula One race car. Koppert’s p [...] before 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 [...] regular IPM consultation is always free to Koppert customers, and that’s the way it should be. You trust us to create a custom Koppert BioSolution that works

• Poinsettia Cultivation Has To Apply IPM

  June 27, 2019

  Program IPM: The Answer to the Challenges of the Future IPM: The Path to a Successful Approach Koppert IPM app The How and Why of IPM NatuGro in strawberry [...] not sustainable, regardless of the sales market. Now is the time to make the transition. ‘Those who wait too long to make a change will be sidelined in [...] critical of their suppliers and the quality of the products. Dutch Poinsettia growers who export to the UK know all about this. For example, there is a zer

• Tackling Thrips is Always a Puzzle

  April 11, 2019

  all you can to prevent thrips from hibernating are the keys to success! Some growers only get thrips under control with the use of a lot of chemicals. Others [...] thrips always requires a well-considered plan of action for the entire season. Our consultants will be happy to help you develop such a system approach. Learn [...] Flower Thrips Frankliniella occidentalis damage on a gerbera flower In the top ten of infestations that lead to sleepless nights, thrips is near the top. Western

• Keeping thrips under control: plenty of options!

  July 25, 2022

  point in the field of biological control. Koppert has developed a whole range of products to help you tackle thrips. You don't have to go into battle alone [...] alone! When tackling a pest such as thrips , it is vital to work systematically. While a whole range of products is available to control thrips , not all [...] simultaneous use of different species of predatory mites is not a good idea. Also, if chemicals are necessary, be sure to tailor them to the biological control