• Mealybugs and scales

  honeydew. The concealed habit and the protective covering of these insects mean that they are very well protected against natural enemies and also against synthetic [...] which, as well as the white, waxy secretion of the mealybugs, reduces the ornamental value of the affected plants. Fruit and flowers are also fouled, rendering [...] is mainly the great quantity of honey-dew that causes the damage because of the sooty mould that grows on it. Ants are also attracted by the honeydew.

• Grapevine powdery mildew

  early berry development. As the season concludes, the fungus forms chasmothecia to ensure its survival through the winter. Given the polycyclic nature, preventive [...] Symptoms of grapevine powdery mildew vary according to the phenological growth stage and the severity of the infection. Early signs manifest as chlorotic (pale [...] growth and poor fruit set. During berry development, the pathogen colonizes the epidermis, causing the skin to lose elasticity. This frequently leads to berry

• Grower Koen - Embracing biological crop protection in agriculture

  a conscious choice. Inheriting the farm from his parents, Koen had the opportunity to continue the business. While the trend towards organic farming was [...] organic farming marks the path to the future. "You grow into it a bit," notes Koen. With the growing availability of knowledge and the number of biological [...] with Koppert The use of biological crop protection presented challenges, but Koen embraced the change and emphasizes that the effectiveness of products

• Pollination checklist outdoor

  it in the shadow of the crop. Ensure that the underside of the hive is kept dry. Keep the hive entrance visible for humans and bumblebees during the flowering [...] around the area to be pollinated. Protect the hive against strong winds. Position the hive in a sheltered spot, or weigh down the hive. Position the hive [...] and may also have long-term effects. Discuss the matter with your advisor. Consult the list of side effects, on paper or via the Internet . This list states

• Koppert One

  you can: Apply nematodes when they are most effective Reduce the risk of unsuccessful applications Improve pest control results in the field Make confident [...] confident decisions. With integrated solutions like Timing Expert, the Side Effects App, and the Digital Assistant, Koppert One turns complex information into [...] profitable results. Go to web app Apply nematodes at the right moment with Timing Expert Timing can make or break the success of biological control. With Timing

• Integrated Pest Management

  control measures are employed, using the least harmful methods first. Evaluation Post-implementation, IPM requires evaluating the effectiveness of control [...] that allows gas exchange between the root zone and the air above. Least toxic chemicals When the non-chemical tools are not fully capable to keep pest or [...] tools to manage pests effectively. This approach is not just about eliminating pests; it's about achieving a balance in the ecosystem. The principles of IPM

• Aphidius ervi

  advice on the best strategy for your situation. Best conditions for use of Aphidius ervi The parasitic wasp Aphidius ervi is most effective between 20 [...] that makes it an effective biological control agent against aphid pests. Once the female wasp has laid her eggs inside an aphid, the emerging larvae begin [...] is used for the control of the following pests: Potato aphid ( Macrosiphum euphorbiae ) Glasshouse potato aphid ( Aulacorthum solani ) The parasitic wasp

• Palm trees

  mite ( Raoiella indica ), the palm seed beetle ( Caryobruchus gleditsiae ) and the red palm weevil ( Rhynchophorus ferrugineus ) are common pests in a variety [...] and acaules are commonly known as palm trees. About 2600 species of Arecaceae are known, growing in tropical and subtropical climates. The red palm mite

• Verticillium wilt

  species mostly cause wilting of plants. The wilting starts at the lower leaves. These leaves are pale-green, then orange-yellow. In the beginning the plant [...] wind-dispersed to new hosts. In the senescent tissue, the resting mycelium or the microsclerotia are formed. The spread of the fungus by mycelium growth is limited [...] um species are non-specific plant pathogens. Many species are saprophytes, V erticillium albo-atrum and Verticillium dahlia e are the most important plant

• Root rot of carrot

  foliage. The infection starts with small black spots over the entire surface of the carrot. These spots gradually change into larger dark brown to black lesions [...] lesions of various shapes. The lesions can merge and eventually cover the entire surface of the carrot. The affected areas are firm, shallow, and clearly [...] develop on the surface. Initially, the disease forms circular to irregular spots on the leaves that vary in colour from grey to almost black. The spots appear