• Casea

  mixed suspensions How to Use Beneficial Nematodes in Outdoor Crops: A Step-by-Step Guide Dosage Casea is typically applied against foliar pests at a rate

• Privacy

  create a link between the information collected by Google Analytics and the personal data provided by you. This information is included in a clear profile [...] again. Processing by third parties We sometimes use specialist service providers to process your data. These providers are selected by us carefully. Pursuant [...] n you provide is treated confidentially. Your personal data are processed by us for entering into and executing agreements for, among other things, commercial

• Grape downy mildew

  as a lysate, these compounds support plant protection by acting both on the plant surface and by activating the plant’s natural defense mechanisms. This [...] Grape downy mildew or grapevine downy mildew, caused by Plasmopara viticola , is one of the most important diseases in wine and table grape production [...] ‘oil spots’ on the upper surface of young, actively growing leaves, followed by downy white growth on the underside, are typical early symptoms. Because visible

• Powdery mildew

  first ventilate by only opening the windows on the lee side. Please note, this is not relevant for other diseases that are inhibited by reducing the RH [...] General Powdery mildew is a fungal disease that is caused by many different species of fungi such as Erysiphe, Podosphaera, Oïdium, Leveillula. Damage [...] mostly on the underside of the leaf, because the fungus infects the plant by entering through the stomata and there are more stomata on the underside of

• Crazy roots, hairy roots, crown gall

  dispersed by rain and wind and by humans and tools. Until now, no bacteria have been isolated from crazy roots. This disease seems to be caused by a change [...] underground plant parts and on the crown. Furthermore, infection is characterized by excessive root growth (crazy roots). In greenhouse vegetables, the roots overgrow [...] appearance of Crazy roots, hairy roots, crown gall The primary source of infection by Rhizobium rhizogenes has not yet been defined. The assumption is that the

• Gummy stem blight

  wounds and by the infected leaves through the petioles. Fruits are infected through the flowers. The newly produced ascospores are dispersed by air and the [...] symptom is internal fruit rot, which can only be recognized from the outside by the small narrowing of the tip of the mature fruits. The symptoms on stems [...] the conidiospores by water drops, tools and hands of workers. The ascospores are the main source of dispersal of disease upwards in the crop and the conidia

• Bacterial canker of tomato

  propagation material. It spreads to other seedlings by touching the plants in greenhouse crops and by water in field crops, for example through splashes [...] bacteria. The bacteria can also be dispersed by machinery, crates and tools. The bacteria infect the new plants by entering through wounds and then growing [...] other than that the disease is difficult to distinguish from wilting caused by other pathogens. On potato tubers, first discolouration of the vessel tissue

• Downy mildew of Cucurbits

  also stems and fruits. They cause lesions on the upper leaf surface, bordered by the veins, which are first yellow and then turn brown. On the underside of [...] and the germ tubes infect the plants either through the stomata or directly by penetrating the cuticula. For germination free water is required. For most [...] crop rotation with non-host crops Prevent a humid microclimate. Achieve this by lowering crop density, good aeration during propagation and maintaining a

• Black leg of seedlings

  that are in a sub-optimal condition or suffer from stress, caused for example by too much water, too high or low temperatures or sudden fluctuations in temperature [...] conditions, especially dehydration. Germination of the oospores is stimulated by exudates from roots of a susceptible host nearby. The oospores germinate and [...] or substrate. Oospores are dispersed when soil particles are moved around by humans or machinery. Pythium can survive very well in the soil or substrate

• Bacterial wilt, brown rot

  eyes also turn grey-brown. This disease can be distinguished from Clavibacter by the bacterial slime produced from wounds, which is not seen in Clavibacter [...] found soil-inhabitant in tropical and subtropical regions and is transferred by the introduction of propagation materials (seed potatoes, cuttings of ornamentals [...] infected plants to neighbouring plants. The bacteria can also be transported by irrigation water. Disease incidence is highest when soil moisture is high