• Impatiens thrips

  patches on leaves and the black dots of their excreta indicate their presence in the crop. The vigour of the plant is reduced by loss of chlorophyll. When [...] spread to many countries within the last 30 years. The thrips have mostly been able to spread as a consequence of the trade in foliage plants. Impatiens [...] on the plant, specifically on the leaves. Eggs are deposited in the leaf tissue, while subsequent stages are found on the upper- and undersides of the

• Oleander aphid

  rather than eggs and that the progeny are clones of the adult female. The nymphs feed in colonies on the shoots at the top of the plant. Nymphs progress through [...] region, the origin of its principal host plant, oleander. Damage symptoms The colonies of bright yellow aphids can easily be seen on the shoots of the host [...] host plants. The damage caused by the aphid colonies is mainly aesthetic due to the large amounts of sticky honeydew produced and the resulting black sooty

• Fusarium head blight or scab

  density. The foot of the plant is infected, either because the seedling was infected or by direct infection of the foot by overwintering inoculum. On the infected [...] takes place as infection of the roots at the root tip or in small wounds, for example where lateral roots branch off from the tap root. Gibberella zeae [...] spread the disease. Gibberella zeae (Fusarium graminearum ) primarily infects the older, lower leaves. The spores are dispersed upwards to the ears by

• Summer fruit tortrix

  a silk web on the underside of a leaf. Later instars feed inside rolled leaves or web leaves to fruit and feed on the fruit surface. The larvae complete [...] leaves. The adult females have a wingspan of 18-22 mm. The forewings are greyish brown to orange brown with dark markings and often reticulate; the hindwings [...] remove the skin and graze shallowly into the fruit flesh to form large irregular patches. These feeding areas become an even russet colour and the fruits

• Codling moth

  invading the fruit, the larvae first form a small cavity just under the skin. The entry hole can be seen and is usually plugged by dry frass. The larva then [...] burrows towards the core and eats a large proportion of the flesh, leaving behind brown frass. The entry point is then greatly enlarged as the tissue beneath [...] days. The first instar larvae burrow into the fruitlets, often through the calyx. Larger fruits are usually entered through the side or near the stalk

• Pea and Bean Weevil Trap

  headland of a 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 [...] 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 [...] Broad 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

• Dwarf bunt

  sporidia infect the wheat seedlings even before emergence and the fungi grow inside the plants to the growing tip. The fungi grow between the plant cells and [...] appearance of Dwarf bunt Tilletia controversa survives as teliospores in the soil or on seed. The soil-borne teliospores are the main source of primary infection [...] sporidium. Two mating types are distinguished. The filiform basidiospores fuse in the middle with a basidiospore of the other mating type so that H-shaped structures

• Fruit Logistica 2026

  What’s new? This year, our stand highlights: Limonica Ulti-Mite , the ultimate solution for thrips control Combining the proven power of Amblydromalus limonicus [...] February 4-6, the global fresh produce industry gathers in Berlin for Fruit Logistica, and Koppert will be there to showcase the future of solutions for [...] limonicus with the advanced Ulti-Mite sachet technology, this innovation ensures a continuous and controlled release of predatory mites , providing growers

• Aphytis

  more doses in the areas of the field where the scales are present. Release early in the morning or late in the afternoon. Dosage The dosage of Aphytis depends [...] release points. Use the lid, the 8 strips of green paper, the cotton wool on the bottom and the cup itself. Distribute evenly across the field. Release more [...] Mode of action The female wasp deposits one or more eggs under the scale cover of armoured scales. Upon hatching the larva proceeds to feed on the scale

• Corn rootworm

  each year. The pest overwinters in the soil in the egg stage. Egg hatching start in the middle of May and continues until the begin of July, with the presence [...] of the female flowers, can cause flower abortion and, in the case of heavy infestations, significantly reduce the number of seeds. During the milk and [...] black stripes on the wing covers. They emerge throughout the summer period with a peak between the end of June and the middle of July. The adults may mate