• Amblyseius swirskii

  leaf veins to rest. Their colour can vary according to the prey eaten, and varies from almost lucent whitish to opaque white or yellow. Due to their size [...] difficult to spot in the crop. Best conditions for use of Amblyseius swirskii Amblyseius swirskii is most effective at temperatures between 20 and 32°C (68 and [...] and 90°F). It is not effective at temperatures below 18°C/64°F. Amblyseius swirskii is sensitive to relative humidity below 60%. In tomato, use of Amblyseius

• Lurem-TR

  Preparation Twist the top of the dispenser to activate the release of the kairomone. Application Hang the dispenser next to the sticky trap Place the sticky trap [...] Lurem-TR increases the attraction of thrips to blue and yellow sticky traps and thus ensures earlier discovery of the pest. Pests Several thrips species [...] thrips more active. They appear from their shelters and are more attracted to the sticky traps. Presentation Dispenser containing the kairomone. Numbers

• Orius laevigatus

  above 20°C (68°F), lower temperatures slow down the development of Orius laevigatus significantly. Effectivity is reduced at temperatures above 30°C (86°F) [...] development (four per day on average). Adult females can kill up to 20 nymphs or six to seven adults per day. They are also cannibalistic. In pollen producing [...] natural enemy Orius laevigatus is available at Koppert as Thripor-L . How to use Orius laevigatus The predatory bug Orius laevigatus is available in a

• Aphidius colemani

  causing aphids to drop from the leaf and fall to the ground. Although many aphids die as a result, many will survive and migrate to other plants to begin new [...] colemani is most effective between 20 and 25°C (68 and 77°F). The effectivity is reduced at temperatures above 30°C/86°F. Behaviour of parasitic wasp Aphidius [...] a cocoon inside the aphid cuticle, causing it to swell. The cuticle turns from a hard, leathery brown to a golden yellow casing, known as a mummy. Parasitized

• Horiver Disc

  Pests Root aphids , fungus gnats. Mode of action Insect pests are attracted to the colour of the sticky trap and get caught in the glue. Presentation Polysterene [...] and/or debris Dosage One Horiver Disc per plant. Storage temperature 0-32°C/32-104°F. Storage time See Best before date. Storage conditions In a cool,

• Bacterial canker of tomato

  strong efforts are used to prevent the bacterium from entering. When the occasional infection is found, strict measures are taken to eradicate the infection [...] whitish ooze with bacteria in the case of C lavibacter infection, but other than that the disease is difficult to distinguish from wilting caused by other [...] Replanting can only take place after thorough disinfection has been proven to the authorities. Potato growers lose their entire crop of the affected field

• Spider mites and other mites

  as little as one to two weeks. This rapid development contributes to their ability to multiply rapidly and cause significant damage to plants if left u [...] ability to photosynthesize, which can lead to reduced yields and quality of fruits and vegetables. Broad mite damage Broad mites cause a distinct type of damage [...] pairs of legs. During this stage, the larvae start to feed on plant sap and undergo molting to transition to the next stage. Nymph: After the first molt, the

• Deltatrap

  glue and are easy to detect, count and identify. Trapping males also aids in reducing the number of eggs laid by females as they fail to mate. Presentation [...] mealybugs . Crops Protected and outdoor crops. Mode of action The Deltatrap needs to be used in combination with Pherodis pheromone dispensers. The dispensers [...] greenhouse) Distribute the traps as evenly as possible over the area, in order to avoid interference Replace the sticky insert when largely covered by insects

• Powdery mildew

  and makes it harder for the fungi to enter the leaves To reduce chances of powdery mildew in greenhouses, it is advised to first ventilate by only opening [...] appear on the upper side of the leaves. Many sweet pepper cultivars react to powdery mildew infection by dropping leaves that are not infected yet. It [...] other Rosaceae , the fungus causing powdery mildew is extremely sensitive to water and ‘hides’ on the underside of the leaves. Therefore, this is where

• Horiver Drystick

  m 2 For trapping in hotspots use one Horiver Drystick per 2 to 20 m 2 Notes In contrast to Horiver Wetstick , the glue of Horiver Drystick does not come [...] Nesidiocoris tenuis White: Lygus spp. Mode of action Insect pests are attracted to the colour of the sticky trap and get caught in the glue. Presentation Polysterene [...] areas near doors, gable ends and lateral ventilation openings Attach traps to wires or sticks at max. 30 cm above the crop and adjust height when plants