• Damping-off

  substrate the plant turns brown. A typical symptom of a Pythium infection is the easy stripping of the skin from the root cortex with a finger nail. Life cycle [...] appearance of Damping-off Pythium belongs to the Oomycetes, a separate group of microorganisms and is therefore not a real fungus. It survives as oospores, [...] damaged spots. On the infected plant, new sporangia with zoospores are formed, that allow the disease to spread to neighbouring plants. The zoospores disperse

• Loose smut of barley

  and swollen as a dormant survival structure. Infection mostly occurs before pollination and within one to two days after pollination. How to prevent Loose [...] first sign of infection is the appearance of a smutted ear. Instead of normal tissue, the ear contains a mass of olive-brown smut spores. Life cycle and [...] formed on systemically infected seeds then infect neighbouring new seeds. They germinate within a day and infect the inner tissues of the newly infected seed

• Loose smut of wheat

  and swollen as a dormant survival structure. Infection mostly occurs before pollination and within one to two days after pollination. How to prevent Loose [...] first sign of infection is the appearance of a smutted ear. Instead of normal tissue, the ear contains a mass of olive-brown smut spores. Life cycle and [...] formed on systemically infected seeds then infect neighbouring new seeds. They germinate within a day and infect the inner tissues of the newly infected seed

• Bacterial wilt, brown rot

  solanacearum is a plant pathogenic bacterium. It is a soil-borne disease and colonises the xylem, causing bacterial wilt and brown rot in a very wide range [...] conditions are more favourable. This makes it more difficult to recognize infected fields. How to prevent Bacterial wilt, brown rot Use disease free propagation [...] the way to distinguish it from Verticillium or Fusarium wilts. Life cycle and appearance of Bacterial wilt, brown rot Ralstonia solanacearum is a quarantine

• Obscure mealybug

  world with a temperate climate. It has a very similar appearance to the citrus mealybug (Planococcus citri) , but its body is covered with a thicker layer [...] the males form a dark false pupa followed by a pupa in rapid succession. The actual pupa develops inside a white, cottony cocoon. After a complete metamorphosis [...] seeking females to fertilize. The female second instar nymphs, on the other hand, settle on the leaf and begin to secrete wax, moulting to a third instar

• Certainty in the quality of every sachet and bottle of our predatory mites

  May 19, 2025

  on a crop, I was amazed. Seeing how a plant remained healthy and vigorous thanks to these tiny allies was a revealing experience ”, she recalls. A legacy [...] Koppert: a pioneering company that was not only the first to introduce a predatory mite for pest control but has also continued to innovate to offer superior [...] everything it takes to ensure they meet our highest quality standards. This is not just a simple promise but a reality built day by day thanks to the work of people

• Plant Disease Management

  it's crucial to have effective treatment strategies at your disposal. Biofungicides Biofungicides offer a natural and eco-friendly solution to control fungal [...] increasing pressure to adopt sustainable and environmentally responsible agricultural practices, biological disease control is set to play a more prominent [...] nutrient-rich provides a solid foundation for plants to thrive. Healthy plants, in turn, are more resilient and better equipped to resist diseases. Sanitation

• Spidex Vital: Your Vital partner in spider mite control

  delivered in a new formulation; with a greater impact on spider mite control: Spidex Vital Born to fight Spidex Vital predatory mites are born to fight your [...] persimilis ) at Koppert more than 50 years ago. From day one this predatory mite formed the foundation of our spider mite control. Over time it grew to be one [...] continuous access to nutrition during logistics, the females of Spidex Vital already have enough energy to develop their eggs. As a result they immediately

• Aphidius ervi

  parasitic wasp Aphidius ervi is available at Koppert as Ervipar . Aphidius ervi products Ervipar Expand all items How to use Aphidius ervi The parasitic wasp [...] introduction site for at least a few days The dosage of Ervipar depends on climate, crop and aphid density and should always be adjusted to the particular situation [...] mortality rates among aphids due to disturbance by parasitoids can be very high. A parasitised aphid will turn into a leathery, golden brown mummy.

• ‘Knowing & recognizing’ now available in 4 languages

  May 23, 2018

  recognizing’ was published 25 years ago. The new version is the biggest to date, partly because of the new section on microbiology – an increasingly important [...] is therefore of utmost importance. A knowledge company The English version of ‘Knowing and recognizing’ was launched at the Annual Biocontrol Industry Meeting [...] biological crop protection . The new edition, now available in English, Dutch, French and Spanish, can be purchased online by going to https://shop.koppert.nl