• How a little predatory mite laid the foundation for biocontrol today

  June 5, 2024

  location to start Operating from the largest vegetable and flower cultivation area in the Netherlands, the Westland offered the company a ready market – almost [...] after repeated introductions of the predatory mite, my father began to show some success. Jan Koppert led the way ‘The company was set up by my father [...] decided to commercialize the first production of predatory mites for the biological control of spider mite,’ says Paul. ‘Koppert was the first to offer a biological

• Getting a head start - The importance of scouting in winter

  January 31, 2025

  brown patches across the field at the end of the winter. Many insects can also potentially threaten seedlings and small crops during the winter and early growing [...] clip plants at the soil surface; some insects may be nocturnal and burrow into the soil during the day, making it difficult to identify the culprit. Leaf-feeding [...] sometimes the insect may be present. However, if you see shot holing you may need to cut the plant open to determine what is feeding in the whorl. The role

• The Spidex®-Spical® dual solution to spider mite control in glasshouse strawberry production

  July 20, 2021

  control strategy early in the season and in summer when high temperatures occur At the beginning of the season, when the glasshouse environment is relatively [...] in the crop. In the temperature range 18-25 o C this species demonstrates its superiority as the highest performing spider mite predator, with the ability [...] grown strawberries. “It is essential that the grower keeps a watchful eye on the long-term weather forecast, and specifically notes when high temperatures

• Larvanem Has Been The Number One Product Against Vine Weevil For Over 25 years

  August 22, 2024

  Larvanem is the result of intensive research and development. 'That's how we kept on improving the growing and nutrition. Thanks to the strict checks [...] is the basis of Larvanem . The product is also completely natural and does not interfere with other beneficials. For many growers, Larvanem is the most [...] more than 25 years, this parasitic nematode has been the top product used to combat vine weevil. The secret to its continued success lies in its special

• Conifer

  Conifers are also referred to as Pinophyta, Coniferophyta or Coniferae . The plants are so-called gymnosperms or seed-bearing vascular plants. This means [...] existing conifers are perennial, woody plants and secondary growth occurs in the development of conifers. Conifers are usually trees, but few varieties develop [...] Fusarium spp. Spidex Vital Plus Casea Spical Ulti-Mite Lyprauta Capirel Downy mildew of Cucurbits Crazy roots, hairy roots, crown gall Cottony soft rot Verticillium

• A legacy of sustainability: Stolk Brothers and Koppert’s shared vision

  February 17, 2025

  structured, but the essence of the company—the accessibility, the shared commitment to sustainable growing—remains.” Predatory mites: the backbone of a [...] matters too.” A future built on collaboration One of the key reasons Stolk Brothers continues to partner with Koppert is the company’s reliability and dedication [...] partners like Koppert, we know we’re on the right path to a more sustainable, chemical-free future.” Nothing beats original .

• Bedding plants

  categories: Hardy annual plants which are planted directly into the soil already early in the season: sunflower, poppy, stock, clarkia, dianthus, nigella, [...] aphid Montdo-Mite Syrphidend Swirski Ulti-Mite Downy mildew of Cucurbits Cottony soft rot Powdery mildew Mycotal Verticillium wilt Crazy roots, hairy roots [...] rhizomes, bulbs and tubers . These are planted every year and removed after the plant has died down. During winter they are either stocked away or disposed

• Cut flowers

  greatly. Important types are: Rose: The rose belongs to the genus Rosa from the Rosaceae family. The flowers of the plant are also called rose. There are [...] from the large family of the Amaryllidaceae, the narcissus family. The Hippeastrum comes from America, from northern Argentina to Mexico and the Caribbean [...] or sold as a pot plant. Freesia : The freesia is a herbaceous perennial flowering plant from the Iridaceae family. The cultivated freesias are graceful

• Bacterial spot

  halo. In pepper, the spots on the leaves are also round and small to start with and slightly raised from the leaf surface. They occur on the abaxial (underside [...] as they grow. The centre of the lesions may fall out as they become drier. Under humid conditions, the spots may merge with lesions on the petioles and [...] powdery mildew infection, pepper plants shed the leaves that are severely infected. Humid conditions are conducive for lesion expansion. On the stems, long

• A life-long commitment to help growers thrive with sustainable growing practice

  December 10, 2024

  vital role during the introduction and rollout.’ Making biocontrol the norm In the Netherlands, the use of biocontrol has become the norm when it comes [...] insects and mites and how they work, and we have the advantage of producing the best quality on the market.’ ‘We know that it is better to introduce Limonica [...] Phytoseiulus persimilis Preparing for the future ‘The future holds many challenges and one of them is the severe reduction in the use of chemical agents. In fact