• Geranium aphid

  cycle, with both winged and wingless forms of adults and a great variety in colour. In greenhouses, reproduction takes place by parthenogenesis, with unfertilized [...] moult four times before reaching adulthood. With each moult they shed white skin, betraying their presence in the crop. Acyrthosiphon malvae rogersii is holocyclic [...] aphids may form large colonies on young strawberry foliage, particularly along the petioles. In outdoor strawberries they reach their peak in June. Winged aphids

• Vidi Parva

  Shake the container well before use Fill the application tank with half the required amount of water Add the required amount of Vidi Parva to the water [...] and root hairs and promote the uptake of nutrients from the rhizosphere and the release of exudates that support the rhizosphere microbiology. Visual effect [...] around the roots or sprayed on the plant canopy. Application as drench or via the irrigation system: A separate tank/container is recommended for the proper

• Horiver Drystick

  Insect pests are attracted to the colour of the sticky trap and get caught in the glue. Presentation Polysterene cards coated with dry sticky glue. Available [...] then also be trapped Remove the silicone cover paper from both sides of the trap Replace the traps when largely covered by insects and/or debris Dosage [...] insects for as long as Horiver Wetstick as the glue gets saturated earlier with insects or dust and debris The silicone cover paper is perforated and can

• Scia-Rid

  tank mixing with a compatible product) Maintain agitation of mixture in the tank (e.g. with a recirculation pump) Fill the spray tank with the required amount [...] ). Mode of action The nematodes enter the pest and release symbiotic bacteria into the pest's body cavity. These bacteria convert the host tissue into a [...] nematodes Preparation Remove the sachets from the box and keep them at room temperature for 30 minutes Empty the contents of the sachets into a bucket containing

• Municipality Enschede: Entonem nematodes against oak processionary caterpillar

  The Municipality of Enschede started using nematodes for the first time in the spring of 2021 to try to halt the spread of the oak processionary caterpillar [...] caterpillar . The municipality’s built-up area has a total of 22,000 oak trees. In the past, the municipality only extracted the nests. But as Petra Klein Breukink [...] Breukink explains, it was not enough. She is the project manager of the oak processionary caterpillar for the Municipality of Enschede. ‘We use Koppert’s

• Licence permits release of Koppert Swirski Mite® in polytunnels in England

  January 6, 2021

  to the crop canopy. The application process is controlled from a touch-screen inside the tractor cab, by simply selecting the product name and the rate [...] grown under polythene structures. The licence was granted following the submission of the necessary data, gathered by the Koppert consultancy team. Ultimately [...] for the Midlands. “From a technical perspective there is a strong justification for positioning Andersoni® at the beginning and at the end of the season

• Beetles

  pupal instar before reaching the adult stage. Larvae have biting mouthparts and mostly feed on the same food as the adults. The pupae do not make a cocoon [...] already display many similarities with the adults. The adult beetles usually possess a pair of membranous wings beneath the wing covers. Many species are very [...] ladybirds contribute to the control of aphids . Beetles undergo a complete metamorphosis, that is, the larvae do not resemble the adult at all, and must

• Natutec Airobug

  pots to the correct settings making use of the information provided in the table on the underside of the dosing pots Fill the dosing pots with the material [...] Place the Airobug in the right start position on the mono-rail or pipe-rail Make sure the battery is fully charged Calculate the time required for the Airobug [...] in the bay Calculate the required dosage per bay Calculate the settings of the dosing pots together with a Koppert consultant or advisor Adjust the dosing

• Pea and Bean Weevil Trap

  Place the funnel onto the green bucket Place the pheromone dispenser in the transparent top Fix the transparent top with a twist action lining up the slots [...] field that was planted with peas or beans in the previous year Place the trap on the ground Ensure the trap is securely positioned on the ground to prevent [...] bean, peas. Mode of action The Pea and Bean Weevil Trap needs to be used in combination with Pherodis pheromone dispensers. The dispensers release a spe

• Horse-chestnut leaf miner

  in the firsts instar up to 3.5 mm in the fourth instar. The pupa is brown and is 2.9-4.5 mm long. The horse-chestnut leaf miner overwinters in the pupal [...] lower parenchyma. The mine starts to turn yellow and later brown. By this time, the damage is very visible. Eventually the mines may cover the entire surface [...] Horse-chestnut leaf miner The adult moth is 4-5 mm long and a rich brown colour with bright white chevrons edged with black. The larvae mine in horse chestnut