• Privacy

  processing is necessary for the performance of a contract; processing is necessary for a legitimate interest. The legitimate interest is based on the following: [...] website. A cookie is a small text file that is stored on your computer by your browser when you visit the website. The main function of cookies is to distinguish [...] and the banner will no longer appear as long as the cookie is active. After the end of the cookie’s service life or if you delete the cookie, the banner

• Black leg of seedlings

  or substrate the plant turns brown. A typical symptom of a Pythium infection is the easy stripping of the skin from the root cortex with a finger nail. [...] enable the spores to move through water. The zoospores are chemically drawn to the growing roots of young plants and move towards them through the soil water [...] content of the substrate below 70% and ensure good drainage Disinfect recirculating nutrient solutions Increase the distance to the main substrate at the start

• Fungi and Bacteria Deserve Greater Appreciation!

  May 31, 2019

  diseases. The plant is also teeming with organisms, inside and out, the function of which is not yet known in many cases. What's certain is that plant [...] reality is that the useful ones have the upper hand. As a grower, you can make good use of this. For example, adding Trichoderma harzianum fungi or Bacillus bacteria [...] And it's with good reason that the number of biological beneficials and supporters is growing on this basis! In fact, our whole world is one big ecosystem

• Aphids

  throughout the world. Aphids form a single, very large group of insects: the super- family Aphidoidea, belonging to the order Hemiptera . The aphids discussed [...] larger than the other. For a large part of the season an aphid population consists of viviparous females. As reproduction is asexual, the progeny of a single [...] Aphids feed on the sap of plants, which can cause the leaves to turn yellow or become distorted. The damage is often more pronounced on the younger leaves

• Visit Koppert' Ornamental Experts at MANTS 2025, Booth #2149

  December 15, 2024

  visits are provided to Koppert customers free of charge. They’re the best way to get to know each client and the staff who implement the bioprogram. Visits [...] that depend on good foliar health to maintain their retail value. Traditional treatments attacking the adults rarely give relief to the problem, but Koppert [...] 8–10, 2025 in Baltimore, MD Be sure to stop by the Koppert booth at the Mid-Atlantic Nursery Trade Show (MANTS) at The Baltimore Convention Center, January

• Whitefly

  the longer the hairs on the leaf, the longer the hairs on the insect. In other words, the larva adapts itself to the structure of the leaf on which it lives [...] other at the pupal stage. The adult emerges from the hardened cuticle of the pupa through a characteristically shaped opening; the pupa splits on the upper [...] lay their eggs. If the plant is shaken, the adults fly up, and then return to the undersides of leaves. How to prevent whitefly To prevent whitefly in

• Feltiella acarisuga

  emerging from the egg, the larva is yellowish white. The eggs and the first larval stages are very difficult to find in the crop due to their small size [...] Feltiella acarisuga is available in plastic cups ( Spidend ). Make a hole in the lid and place the cup on the rock wool slab or directly on the soil Protect against [...] progresses, a red spot appears anterior to the midline, after which the entire larva becomes darker. Finally, white spots appear on the body. A fully grown

• Botrytis: ten must-knows

  November 15, 2021

  leaf picking) is enough for the mold spores to germinate. That's why it's important to work cleanly and neatly. Prevention is the way to fight this fungus [...] other and is even active at very low temperatures (up to 0°C). The fungus survives on plant parts, bulbs, or in the ground. The spores of the fungus germinate [...] Botrytis is an above-ground fungus, and there are many species. The fungus is found all over the world and can infect a wide variety of plants. If conditions

• Using Capirel for healthy fruit orchards

  fully diluted, we add the mix into the tank. The sprayer is filled halfway and the bucket with the nematodes is injected into the preparation. And finally [...] helped a lot to control and reduce the pest pressure,’ Michel states. ‘It had a positive effect in the spring and there was less need for trapping to reduce [...] reduce the pressure.’ Michel reports that the benefit of using Capirel nematodes is that it can also be used as a preventive treatment in the autumn to reduce

• New Approach Significantly Reduces Aphids in Soft Fruits

  March 21, 2019

  proved to be a good decision. ‘In the spring, I can use artificial lighting to better tailor the climate to the needs of the crop. And in both the spring [...] idaei) is a constant cause for concern, and in the cultivation of blackberries in greenhouses, the large blackberry aphid (Amphorophora rubi) is the main [...] This turned out to be the case: In the raspberries grown by René Simons under artificial lighting, the gall midge was able to keep aphids at a noticeably lower