• Expanded board to strengthen development at Koppert Biological Systems

  December 18, 2018

  Systems has increased the size of its board in response to the projected growth of the Dutch family company. Koppert is a global specialist in biological [...] realize that it was time for change within the top tier of the company’, says CEO Paul Koppert. ‘Three of the original board members will stay on to ensure [...] have earned their spurs over the years. The new members of the board each have their areas of expertise and we have every confidence that they will perform

• Phytophthora: symptoms starting to show

  April 7, 2021

  the crop over the last few weeks, many growers are starting to see a percentage of plants ‘fall out’ due to Phytophthora and other root disorders. There [...] resources to meet the needs of the flowers and fruit. As the plant reduces the investment in the roots, they retract and the diversity of the rhizosphere decreases [...] three things happening: The uptake of nutrients and water is affected, leading to further stress and occurrence of disorders. Leaf sap analysis at this

• Thrip control in Strawberry with Orius laevagatus

  May 8, 2019

  Orius is a highly effective predator of thrips, attacking motile stages of the pest, including the adults. The presence of pollen enhances the rate of development [...] es in excess of 18 0 C, and in view of this, the introduction of the predatory bug is generally not carried out until the second half of May, or early [...] with a minimum of two introductions at 7-14 day intervals. The ‘window’ for introduction of Orius is relatively narrow since fast establishment of the predator

• Poinsettia. Main pest pressures

  May 21, 2019

  monitoring pest levels, and calculating the number of natural enemies required. Enermix Use Enermix, a product mix of the parasitic wasps Eretmocerus eremicus and [...] cause serious damage to the cuttings, to the extent of killing them. The larvae feed on the young roots of the plants, and can then progress into the stem [...] rates for the first 4-6 weeks of growing, prior to the first spacing. After spacing, and based on the sticky trap counts of adult whitefly , this can be

• Personal message to our customers

  April 8, 2020

  wouldn’t have fresh and healthy vegetables, fruit and flowers. Especially in a time when it is increasingly important to stay healthy, we want to make sure [...] matter where you are in the World, or which crop you grow. Thanks to the effort of all our colleagues across the World, we are still able to produce our natural [...] together on growing sustainable crops, in partnership with nature. Take care of yourself, and each other: We are family Yours faithfully, David Foster Koppert