• Onion fly season 2024: Growers limit damage with beneficial nematodes

  September 18, 2024

  in the heart of the Noordoostpolder, the Koppert and Nemacontrol teams are taking stock of the growing season. The Noordoostpolder is known for the intensive [...] pests are well-controlled. From the earliest signs of the onion and bean seed fly in spring up until the onion harvest, Koppert and Nemacontrol are in constant [...] controls the onion fly and bean seed fly by parasitizing the larvae. These nematodes are highly effective when applied in the right way and at the right time:

• En-Strip

  carefully inside the greenhouse Bend and tear off the strips opposite to the mounting hole Make sure not to touch the pupae during handling Suspend the cards in [...] in the crop, if possible approximately 75 cm under the plant head Avoid hanging cards at places exposed to direct sunlight Dosage The dosage of En-Strip [...] conditions The parasitic wasp is most effective at temperatures between 20°C and 25°C (68 and 77°F). At a 24 hours average temperature below 17°C/63°F the control

• Using Capirel for healthy fruit orchards

  another half an hour. Once they are fully diluted, we add the mix into the tank. The sprayer is filled halfway and the bucket with the nematodes is injected [...] that the benefit of using Capirel nematodes is that it can also be used as a preventive treatment in the autumn to reduce the pest pressure for the following [...] apply if the ground is already wet. He waits until it rains. ‘I then apply the solutions right after it rains so that the nematodes can enter the soil. In

• Pollination under artificial lights

  September 24, 2018

  With daylight hours shortening and temperatures beginning to drop, growers in the higher latitudes of the Northern Hemisphere are paying special attention [...] into greenhouses in Europe towards the end of the last century for growth at night and prolonged production during the winter, researchers at Koppert Biological [...] colonies. The company has been finding solutions to these problems ever since. Constant innovation The first hive innovation was the introduction of the ‘ Wireless

• ‘Ornamental plant companies need to innovate more in plant protection’

  August 6, 2021

  permitted anything. Pulling out all the stops Green'05 determines the strategy as regards the beneficials to be used based on the scouting observations. Thorough [...] One example is the cultivation of poinsettias. These are mainly exported to the UK. Although it is a relatively small crop for Green'05, the UK market operates [...] spray the product clean when the delivery date is approaching. In addition, spraying kills all the beneficials even though they do their job 24 hours a day

• Pine processionary moth

  occur not only when the caterpillars are present, but also during the following summer because of the persistence of allergenic hairs in the remains of winter [...] ary moth The female moth has a wingspan of 36-49 mm; the wingspan of the male is 31-39 mm. Both sexes have a hairy thorax. The forewings are dull ashen-grey; [...] ashen-grey; the veins, margins and three transverse bands are darker. The hindwings are white, grey-fringed, with a characteristic dark spot in the anal region

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• Plant Empowerment: Sustainable Growing Foundation

  June 12, 2019

  Canada, the USA, China, Russia, France and Poland are actively applying the GPE-concept. Even more countries are joining daily. The companies behind the foundation [...] plagues and diseases will be reduced to a minimum. “With the start of this foundation, we are taking the next step with Plant Empowerment: we want to help growers [...] foundation are developing hard- and software for growers and advisors that make it easy for followers of GPE to apply the concept. Together the joint companies

• V10: A biological against PepMV

  September 5, 2019

  Spain and Italy, are still ongoing. ‘V10 has proved its worth during the course of several efficiency trials that were needed for the full European re [...] accept the ‘Pep’ virus vaccination as a standard practice, at least in high-tech greenhouses, as growers are aware of the yield losses that the PepMV virus [...] prevent the emergence of the virulent Pepino mosaic virus (PepMV) which has been accountable for substantial losses in tomato production around the world

• Southern green stink bug

  instars. Eggs are laid in clusters of 30 – 130 on the under surface of leaves and on fruits, in the upper portions of the plants. The eggs are glued firmly [...] spots along the median line. The adults are large shield-shaped bugs with a dull green colour (becoming brownish at cooler temperatures). They are about 13 [...] retarded, and the withered fruits may drop from the plant. Fifth instar nymphs and adults cause the most damage, whereas younger instars are less significant