• Fusarium spp.

  January 1, 1970

  inside the vascular system of the host plant and spreads upwards inside the plants. The other species are dispersed upwards on the outside of the plant [...] wounds, for example where lateral roots branch off the tap root. F. oxysporum grows inside the roots towards the foot of the plant and enters the vascular [...] Fusarium wilt ) is the species that causes vascular wilt. Initially, the leaves turn yellow and wilt, mostly on one side of the plant. Finally, the whole plant

• Aphidius ervi

  January 1, 1970

  distributor of Koppert products for advice on the best strategy for your situation. Best conditions for use of Aphidius ervi The parasitic wasp Aphidius ervi [...] Aphidius ervi The parasitic wasp Aphidius ervi is available in a bottle ( Ervipar ). Spread the material on rock wool slabs or in Diboxes Make sure the material [...] introduction site for at least a few days The dosage of Ervipar depends on climate, crop and aphid density and should always be adjusted to the particular situation

• Deltatrap

  January 1, 1970

  of the triangle upwards Place the Pherodis capsule in the middle of the sticky insert at the bottom of the trap Application Hang the traps approximately [...] n Fold the trap into a triangle Place a sticky insert at the bottom of the trap, with the sticky surface facing upwards Fold both edges at the base of [...] cific sex pheromone which lures the males of the particular pest into the trap. Once in the trap they get stuck in the glue and are easy to detect, count

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

  November 13, 2022

  emerging from the sachets make sure that the predatory mites are present in the crop over a longer period of time making it difficult for spider mites to [...] 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 [...] break out further and the hotspots are eventually completely eradicated. Spidex Vital Plus works well on all life stages of the two-spotted spider mite

• Predatory mites

  January 1, 1970

  are also used for the control of thrips. Predatory mites for whitefly For the control of whitefly, predatory mites are highly effective. The generalist predatory [...] knowing the target pest is crucial. Scouting is essential to know where the pest is, how severe the infestation is and to identify the pest. Select the right [...] Koppert products for advice on the best strategy for your situation. Our global resellers Predatory mite life cycle and appearance The life cycle of predatory

• Cotton aphid

  January 1, 1970

  including the cucumber mosaic virus. Nymphs and adults extract nutrients from the plant and disturb the balance of growth hormones. As a result, the plant’s [...] protein. The excess sugar is secreted in the form of honeydew, making the crop and its fruit sticky. Black fungal moulds ( Cladosporium spp.) grow on this [...] skin, betraying their presence in the crop. The cotton aphid can be distinguished from other aphids by the colour of the two cornicles (siphunculi). These

• Macrolophus pygmaeus

  January 1, 1970

  stripe runs behind the eyes. The first part of the forewings is a transparent, soft green with a small black spot in the middle. The hind part is colourless [...] clearly visible on the sides of the head. The bug has piercing-sucking mouthparts. Females have a large, rounded abdomen within which the ovipositor is visible [...] managing insect pest populations. The predatory bug Macrolophus pygmaeus is used for the control of the following pests: Greenhouse whitefly ( Trialeurodes v

• False spider mites

  January 1, 1970

  found on the underside of leaves where they cause a brown, scabby discolouration spreading from both sides of the main vein into the leaf blade. The damage [...] and adult. They move slowly and are mostly found along the veins on the underside of leaves. The mites are flattened and egg-shaped when seen from above [...] of the plant. In some crops, plants can become misshapen, presumably because the mites secrete a substance while feeding, that is poisonous to the plant

• Spotted Wing Drosophila

  January 1, 1970

  unripe fruits. The larval development takes place in the fruit. The larvae pupate either fully or partly in the fruit, or outside the fruit on the ground. [...] oviposition, the respiration tubes extend from the fruit but are difficult to see. Larval feeding in the fruit leads to fruit tissue collapse. Even if the fruits [...] fruits have not collapsed, the occurrence of larvae within the fruit makes them unmarketable. The punctures made by the oviposition by D. suzukii exposes fruits

• Spidex Vital lives up to its promises

  January 1, 1970

  using the new product are positive. ‘I’ve known Phytoseiulus my whole life,’ the cucumber grower begins. On his three-hectare farm in Pijnacker, the Netherlands [...] after the first deliveries were released, he had a closer look at the crop. ‘It was clear that the predatory mites were distributed throughout the crop [...] develops more rapidly.’ A sense of calm on the farm The increased effectiveness of Spidex Vital is a major advantage for Sjaak van Dijk. ‘As already mentioned