• ‘Nutrients and plant resilience? A very simple mechanism

  April 6, 2020

  change by itself. The grower is the one providing the food – the plant doesn’t understand its five a day or have a nutritional advisor. The change needs to [...] Growers are slowly beginning to realize just how important the right nutrients are to the resilience and health of crops. It demands a shift in thinking [...] resistance to infections.’ The plant and its five a day The N, P, and K surpluses cause the plant a wide range of problems, often in the form of a shortage of

• How to protect bumblebees in cold

  inside or around the hive to incubate the brood. It's crucial to protect the brood during such conditions to avoid damage Keep in mind that the impact of climate [...] : Warmth is key Place the hives in the warmest part of the tunnel/greenhouse, ensuring they catch the morning sun. Make sure the hive is in a sheltered [...] s drop during the winter months, bumblebees face challenges in surviving the cold conditions to maintain their productivity. We understand the importance

• Venray: biological control of oak processionary caterpillars

  March 9, 2022

  a big difference in the fight against oak processionary caterpillars In the Municipality of Venray a third of the tree stock in the area, some 11,000 trees [...] According to Bergeijk, the results have been generally positive. ‘The trees that we have treated have been 90% cleared. What is interesting is that avenues [...] possible that there has been more drift during spraying in those places, which means that the nematodes are more easily blown away. In some cases, we have to

• Box tree moth

  while the other is mostly light brown with a white spot on the forewings. The adult moths are good flyers. During daytime, they rest on the box trees or on [...] Damage symptoms The larvae of the box tree moth ( Cydalima perspectalis ) feed on the leaves of box trees, but can also attack the bark of the trees, causing [...] mainly. Severe defoliation can lead to the death of the tree. As the tree is extensively traded within Europe, the box tree moth ( Cydalima perspectalis

• Black root rot of cucurbits

  spots with a dark demarcation line on cucumber roots. The lesions are slightly sunken and are mostly formed around the point of attachment of lateral [...] at 10 °C the lesions are light-brown. The lesions can be enclosed by pseudostromata: dark coloured tissue that looks like black stripes. The disease is [...] a few of the roots but in severe cases all roots may be infected. At the final stage of the disease, only vascular tissue remains because the cortex (outer

• Ervibank

  grow Best results are obtained when the banker plants hang above the crop To prevent the crop from honeydew contamination, secreted by the aphids , a large [...] insecticide. If the insecticide is applied via the drip system, remove the drippers from the banker plants for approximately 24 hours. In these cases it [...] parasitize the wheat aphids (Sitobion avenae) on the cereal plants, building a large population. The aphid infestation level remains low due to the continuous

• Beneficial nematodes doing their work in your crop!

  January 9, 2023

  insect to pass by. When the prey passes by the nematode curls up and propels itself on the passing host. Capirel Capirel contains the beneficial nematode [...] feltiae that has the mixed characteristics of being able to ambush and cruise to strike prevalent pests in the crop. Cruising nematodes are triggered by volatile [...] your crop! Beneficial nematodes are increasingly being used to control pests in an extensive range of crops. However, the two available nematode species

• Strong results with NatuGro in exclusive cresses

  April 25, 2016

  logical; it is the leaves of many of the Koppert Cress crops that form the final product. The more leaves are plucked or cut from a crop before the plants age [...] yet, but the higher-quality restaurants in Europe and further afield are all fervent users of the products of the Dutch company Koppert Cress. The company [...] age too much, the greater the volume that can be sold. On this occasion, too, the effect was striking. The crop looked visibly better, and retained this

• Sugarcane stalk borer

  at the time of hatching, which occurs four to nine days after laying. Egg-laying begins in the evening and continues during the night. The eggs are placed [...] congregate at the whorl and feed through the leaf tissue or tunnel in the midrib. The average duration of the larval stage is 44 days. After the first moulting [...] moulting, they penetrate the stalks through the softest part, close to the leaf sheath, making tunnels from the bottom up. The pupae are 16-20 mm long and have

• Spidex Vital Plus – Effective spider mite control in a sachet

  mites, growers are now able to build of defense lines to both control the mites in the hotspots and prevent further infestation of the crop’. Reasons to [...] generations of predatory mites emerging from the sachets make sure that the predatory mites are present in the crop over a longer period of time making it [...] hotspots no chance The innovative rearing system created by the sachets of Spidex Vital Plus allows Phytoseiulus persimilis to multiply in the sachet and disperse