• Diglyphus isaea

  wasp Diglyphus isaea is available in a bottle ( Miglyphus ). Release parasitic wasps between the leaves of the crop in the morning or in the evening The dosage [...] evidence that a parasitic wasp rather than a leaf miner has come from the mine. This is also seen in the pillars that remain visible as black spots in the leaf [...] Diglyphus isaea is a small parasitic wasp belonging to the family Eulophidae within the order Hymenoptera . It is widely recognized for its role as a biological

• Citrus mealybug

  filaments. Their sole task is to fertilize the females and as soon as a male emerges from its cocoon, it goes in search of a female. A fertilized female lays [...] instar, a male nymph forms a dark brown ‘prepupa’ from which a pupa rapidly develops, inside a white cottony cocoon. Females undergo little changes in form [...] citri ) has a world-wide distribution and many and diverse host plants. In temperate regions of the world this mealybug poses a problem in greenhouse

• New Packaging

  Styrofoam particles in the environment. Did you know that benzene, an ingredient in Styrofoam, is established as a human carcinogen? On a more positive note [...] note, Styrofoam is currently recyclable, but the Styrofoam recycling market is diminishing at a rapid rate. It is a notoriously difficult material to recycle [...] new packaging will be gradual and it is expected that there will be a mixture of the two shipping methods. Our goal is to completely switch to the new recyclable

• Sweet pepper

  fruit in different colours ranging from vanilla/white and yellow to orange, green and red and even dark purple and brown. The sweet pepper is a very rich [...] About The sweet pepper, also referred to as bell pepper or just pepper, is part of a specific group of cultivars that belongs to the species Capsicum annuum [...] rich source of vitamin C and antioxidants. The level of carotene is even nine times higher in red peppers. Red coloured peppers also contain twice as much

• Frequently Asked Questions

  May 7, 2018

  crop. Q: How many bees are in a bumblebee hive? A: There are on average 250 bees in each hive. Q: How many hives do I need? A: If Koppert bumblebees are [...] Questions and Answers about the Quad Q: Why is there paper mesh tape covering the exit of the hive doors? A: By allowing the bees to chew through the mesh [...] honeybees? A: Bumblebees and honeybees can be used together. Koppert recommends separating the two species by a minimum of 100 yards. It is preferred that

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

  July 17, 2024

  believe there are still plenty of opportunities for Koppert to grow and make biological control a mainstream method in a growing number of crops. There is a [...] products has set a standard in the sector that is difficult to beat.’ The innovative biocontrol solution that came onto the market more than half a century ago [...] Phytoseiulus persimilis , to growers in the Netherlands more than 55 years ago, but by far the greatest achievement is that we have managed to improve and

• The Spread of Whitefly

  August 14, 2020

  to lay their eggs. There is also a threat of spread due to an attack from outside the greenhouse. In countries like Spain, where polytunnels are still widely [...] at -6°C/21.2°F). By contrast, the life of the greenhouse whitefly is relatively short in very high temperatures. Spread over the plant In contrast to the [...] the more moderate side, the tobacco whitefly is in its element in higher temperatures. An adult female is capable of surviving for ten to fifteen days

• Rhizoctonia solani

  fungus, only the mycelium is important in this context. Thanatephorus cucumeris is a soil-inhabiting fungus, that is very persistent in the soil. It overwinters [...] ff’), both before and after emergence. A typical symptom of root infection is that the taproot is reduced to a thread. Reddish-brown lesions occur on the [...] Optimum temperature for infection is between 15 and 18 °C, but infection still occurs at 35 °C. Disease is most severe in a moderately wet soil. On the infected

• Municipality Doetinchem: Entonem nematodes managing oak processionary caterpillar

  ‘We think it is important to maintain the biodiversity in the centre, and public opinion is quite sensitive to spraying here. We worked in consultation [...] decided that in spring we would start using Koppert’s nematode product Entonem . A major advantage is that the bycatch of other caterpillars is much lower [...] There are many oak trees in the forests and plantations around Doetinchem. Marc van Rijswijk is the spokesman for Buha, the implementing organization for

• Sustainable Cultivation Goes Much Further than Pests and Natural Enemies

  April 23, 2018

  .. and while there is nothing wrong with that image, it is definitely a romanticized version of reality. Ultimately, progress is made by following the [...] Technology is also gaining in importance in the world of practice. Peter Maes points to outdoor crops, where Koppert is continuing to gain ground in major crops [...] However, there are still many interactions between plants and their environment about which we still know too little. There is particular potential in discovering