• Koppert co-hosts International Horti Quiz

  March 18, 2021

  to the captain and can be shared by him/her on 4 more devices. Young and old, specialists and generalists, beginners and professionals, everybody is welcome

• Bacterial canker of tomato

  growers must either destroy the infected crop entirely or, if the crop is old, only the plants in the infected area, with a substantial buffer zone. Replanting

• Unprecedented journey for future leaders

  July 17, 2018

  November 2018) is open to future floricultural leaders between 25-40 years old from around the globe, with a minimum of 5 years working experience in a leading

• Leek moth

  if larvae are numerous, weakening or withering of the plant can occur. On old leaves, open galleries can be seen which decrease the economic value of the

• Energy saving success during the rearing of natural enemies

  May 21, 2021

  The production of this macrobial formerly took place at Koppert’s 30-year-old greenhouse on the Hofweg. Significant energy savings have been achieved after

• Boost your cherry flowers for a good production

  March 11, 2021

  could improve by 22%. The trial was conducted in cultivar Kordia 10-year-old trees. The advantage of Vidi Terrum and Veni Calcium is that it could be applied

• Predatory mites against thrips and whitefly - a question of customization

  April 25, 2016

  cucumeris , which also goes by its brand name ‘ Thripex ,’ is an old hand in the market. ‘It may be old, but it’s still going strong,’ says Yvonne van Houten.

• Spidex Vital lives up to its promises

  February. ‘I have three crops a year,’ he tells us five weeks later. ‘As the old crop is always cleared away, I start from scratch each time and have to build

• Freezing tolerance in blueberries

  May 6, 2020

  of energy Different flowering stage on one plant (on the left a one year old branch, on the right a multi-year branch). In the blueberry protocol of Koppert

• ''The spider mites were eradicated in a very short space of time''

  May 31, 2021

  ‘This improved Spidex formula definitely produces faster results than the old variant. The predatory mites enter the crops with greater vigour. They are