• Southern European marshland pyralid

  wide range of hosts from 38 plant families. They include ornamental crop plants, such as roses and gerbera, aquatic plants, vegetable crops such as celery [...] sometimes attacking the stem of the plant as well as the leaves. Late instar larvae burrow into soft woody or herbaceous plant stems causing withering or drying

• In control of aphids and thrips: Koppert showcases biological crop protection solutions at Bejo Open Days 2025

  August 28, 2025

  predatory bug, a natural predator of thrips, is used in combination with banker plants, Lobularia, and is a great alternative to control thrips in your crop. At [...] making them a valuable tool throughout the growing season. See this natural pest control in action at our demo field and discover how lacewings can help you [...] aphids. Spider mite control with spical-plus in celeriac Spider mites are pests that present a threat to many crops, including celeriac. Despite their small

• Rhizoctonia solani

  movement of plant parts. The fungus grows from plant to plant and from the soil upward, therefore the lowest plant parts are infected first. Plants that are [...] balanced and adequate Avoid planting/seeding very early in the season when growth will be slow Prevent plant diseases by optimizing plant potential and crop resilience [...] moderately wet soil. On the infected plant parts, mycelium and new sclerotia are visible. They fall off the plant onto the soil and thus increase the pathogen

• ‘Nature is key to solving agricultural dilemmas’

  August 29, 2023

  establish innovative methods for pest control, with a new management model that inspires continuous innovation in pest and disease control for tropical [...] today, Dutch farmer Jan Koppert was seeking a natural solution to recurring pests in his cucumber cultivation. The usual pesticides were no longer effective [...] discover new ones. Remedies, increasingly preventative, with a focus on plant health and crop resilience,’ states Martin Koppert. While investment in research

• Aphidend

  Pests All species/stages of aphids . Mode of action Adult gall midges emerge from the pupae and deposit their eggs in the aphid colonies. After emerging [...] bottle directly on the soil or rockwool slabs or hang it in-between the plants Do not scatter the contents Once emerged, the adult gall-midges will leave

• Bacterial canker of tomato

  infect the new plants by entering through wounds and then growing into the vessels of the plant. Plant growth is inhibited and the plant wilts because the [...] deep-ploughing to stimulate the decay of crop residues Prevent plant diseases by optimizing plant potential and crop resilience. [...] either destroy the infected crop entirely or, if the crop is old, only the plants in the infected area, with a substantial buffer zone. Replanting can only

• Capyphor

  lupulina ) Mode of action The nematodes enter the pest and release symbiotic bacteria into the pest's body cavity. These bacteria convert the host tissue [...] reproduce inside the host. This kills the pest within a few hours to days after infection. Visual effect Infected pest insects in the root zone turn red to [...] control of larvae of weevils and other beetles in a wide range of crops. Pests Beetles ( Coleoptera ): Weevils ( Curculionidae ): Citrus root weevil ( Diaprepes

• Foot rot of cereals

  primarily affects the roots and lower stem of cereal plants, leading to rotting and ultimately compromising plant health and yield. Microdochium nivale thrives [...] environmental conditions and host plant physiology. Typically, the lifecycle begins with the release of spores from infected plant debris or soil. These spores [...] lower nodes. Long dark streaks may also appear at the stem base. On older plants, infection can produce a true foot rot, where the stem base becomes brown

• Long-tailed mealybug

  but these days it is widespread throughout the world. The range of host plants of Pseudococcus longispinus is less extensive than that of the citrus mealy [...] on the crop in various ways: Nymphs and females extract the sap from the plant, stunting growth and causing deformation and / or yellowing of leaves, sometimes [...] photosynthesis and therefore the yield. Flowers and fruit often drop off. Plant sap is rich in sugars, but low in proteins. In order to gain an adequate

• Glasshouse potato aphid

  substance, which leads to deformations in the growing tip of the plant. Precisely where the plant is pierced is unimportant. The piercing of the lower leaves [...] young aphids are born as developed nymphs. They immediately start to feed on plant sap and grow rapidly. When reproduction is sexual, the aphids lay eggs that [...] alternation of hosts, and the two types of life cycles occur on the same host plant. The aphid can overwinter not only in greenhouses, but also outdoors in sheltered