adequate crop rotation Use clean propagation material (seed can be treated effectively with hot water) Use clean substrate in greenhouse crops Disinfect tools [...] during harvest and during post-harvest storage, and enhance wound healing after harvest, depending on the crop
30 cm) the top of the plants Dosage Use 1 dispenser per 100 m 2 Replace after 6 weeks Combined use Use in combination with Horiver sticky traps. Storage
cm in length when fully grown. Pupae are greyish-brown, and 2.5 cm long. After adults emerge, part of the pupal case can be found sticking out above the
promotes the disease. In greenhouses: Prevent high temperatures immediately after planting. Avoid cold and excessive warm irrigation water. Keep the water
severe yield losses in many berry crops, cherries and grapes. Damage symptoms After oviposition, the respiration tubes extend from the fruit but are difficult
later they become earth-brown to dingy grey. They are about 1.5 mm long just after emergence and can reach 4 cm or more when fully grown. The caterpillars may
reproductive maturity within 2 or 3 days, oviposition begins about 1 or 2 days after mating and adults live for several months. Females psyllids lay more than
grey before hatching, and have a ribbed spherical shape. The larvae hatch after around four days. The corn earworm caterpillars go through six larval instars
d piercing-sucking mouthparts and begins to feed on plant sap very soon after emerging. The insect is covered with a white waxy substance.