• Grapevine powdery mildew

  buds or as chasmothecia (sexual fruiting bodies) attached in the bark crevices and plant debris. In spring, chasmothecia release ascospores during periods [...] mycelium. As the infection intensifies, affected leaves suffer a marked reduction in photosynthetic capacity, while shoots and flowers exhibit stunted growth and [...] Uneven and abnormal cluster development Powdery coating on clusters resulting in loose, misshapen bunches Reduced yield potential Berry symptoms High susc

• Transforming crop protection: the rise of predatory mites

  September 8, 2025

  filming bugs in their natural habitat. That fascination evolved into a lifelong dedication to entomology and, eventually, a pivotal role in shaping the [...] working, scalable solution for growers - and it triggered a real shift in mentality in Almeria.” Scaling up: strawberries, citrus, and beyond From greenhouses [...] californicus — marketed as Spical — marking a milestone in expanding biocontrol beyond the greenhouse. In recent years, the team has introduced two more powerful

• Pepino mosaic virus

  plants Reduced vigor in severe cases Irregular growth patterns Life cycle of Pepino Mosaic Virus (PepMV) PepMV spreads quickly in tomato crops due to its [...] Mosaic Virus (PepMV) is one of the most economically significant viral diseases in greenhouse tomato production worldwide. Due to its rapid spread and impact [...] such as V10 . What is V10? V10 is a mild strain of Pepino Mosaic Virus used in a controlled way to protect plants against more aggressive strains such as

• Looking Back at NECANN Boston 2025

  April 30, 2025

  businesses. In case you missed it—we handed out some premium swag bags: handsome, sturdy canvas totes full of information and product samples, as in cards, [...] Commercial Grows —brought in a lot of traffic. Judging by the amount of visitors we received, including many experts and professionals in the industry, these [...] Koppert consultants are available to assist in the planning and schedule of biological agents. Will you visit sites in person? Site visits are Koppert’s speciality

• 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 [...] imagine horticulture without biological pest control.” A partnership rooted in trust The connection between Stolk Brothers and Koppert runs deep. “Our families

• Fusarium spp.

  also produce ascospores. In general, the life cycle of different Fusarium species is similar. Fusarium overwinters for many years in the soil, and on crop [...] effectively with hot water) Use clean substrate in greenhouse crops Disinfect tools, machinery and irrigation water in greenhouses Prevent plant stress Ensure [...] the Fusarium solani species complex (FSSC) are capable of causing disease in many agriculturally important crops Damage symptoms of Fusarium spp. Fusarium

• Visit Koppert' Ornamental Experts at MANTS 2025, Booth #2149

  December 15, 2024

  Esteban Rios will be in Booth #2149 in C Hall for the show, so they will be available to answer your questions. As a team they’re experts in biocontrols for [...] Koppert' Ornamental Experts at MANTS 2025, Booth #2149 January 8–10, 2025 in Baltimore, MD Be sure to stop by the Koppert booth at the Mid-Atlantic Nursery [...] trees, perennials and finished annual goods. They’re also highly experienced in IPM and hybrid programs so ask them anything you’d like to know about Koppert’s

• An impressive range of predatory mite solutions thanks to continuous research and innovations

  September 3, 2024

  and transportation of live organisms. In the early days, we delivered mites on green leaves, which we transported in plastic containers. You can imagine [...] another factor considered as it extends the season in which the predatory mites can be effective in the crop. ‘All these innovations and our expertise [...] have combined to make us thought leaders in the biological solutions industry and have given us a strong position in the international market.’ ‘We now have

• Powdery mildew

  colonies mostly occur in these crops. In covered roses, the colonies appear first and foremost on the upper side of the leaves. In most crops, the white [...] fairly similar in all plant-pathogen combinations. The symptoms are white fluffy colonies, first and foremost on the upper side of the leaf. In severe epidemics [...] epidemics in cereals, the ears may also be infected. In pepper, the fluffy colonies occur mostly on the underside of the leaf, because the fungus infects

• Bacterial wilt, brown rot

  quarantine organism in Europe and considered a bioterrorist organism in the United States. It is a commonly found soil-inhabitant in tropical and subtropical [...] for Race 3 is 27 °C, which makes it more dangerous in temperate regions. It survives well in water and in many different soil types and on alternative hosts [...] xylem, causing bacterial wilt and brown rot in a very wide range of potential host plants. Damage symptoms In potato, field symptoms of Ralstonia solanacearum