• Loose smut of barley

  and compensated for Use resistant cultivars Perform field checks for infected seed and prevent the use of seeds from infected fields for further cropping [...] cropping Prevent plant diseases by optimizing plant potential and crop resilience. [...] the seed germinates, the mycelium of the fungus grows upwards inside the plant into the growing tip and the seed primordia. It only becomes visible after

• Phytophthora blight

  germinating sporangia or by zoospores produced in the sporangia. For germination on above-ground plant parts, leaf wetness is required. Dispersal is by wind and [...] circulation Disinfect recirculating nutrient solutions Prevent plant diseases by optimizing plant potential and crop resilience. [...] temperatures between 15 and 23 °C and higher water content than is optimal for crop growth. Phytophthora overwinters in roots, infected tubers and bulbs

• Spider mites and other mites

  production. Solutions for mite control Learn more about What are mites? Plant mites are a diverse group of small arthropods that feed on plant sap. They are found [...] with the naked eye but have eight legs. For these plant mites a magnifying glass is needed to detect them. Plant mites are often found in colonies on the [...] in severe cases, leaf drop or death of the plant. Damage symptoms are important for early detection of plant-feeding mites and effective management, as

• Wheat bunt

  attacks the 2-3 leaf stage, this is less effective for this fungus Prevent plant diseases by optimizing plant potential and crop resilience. [...] Tilletia laevis are hard to distinguish from infected plants before head emergence, although affected plants may be slightly stunted. Infected (bunted) heads [...] before emergence and the fungi grow inside the plants to the growing tip. The fungi grow between the plant cells and eventually inside the kernels. When

• Black root rot of cucurbits

  prevent Black root rot of cucurbits Test for the presence of Phomopsis sclerotioides with molecular tools before planting Use resistant rootstock of Cucurbita [...] annually Disinfect nutrient solution and irrigation water Prevent plant diseases by optimizing plant potential and crop resilience. [...] General Phomopsis sclerotioides is a plant pathogen infecting cucurbits, causing black root rot of cucurbits. Damage symptoms Phomopsis sclerotioides causes

• Fly pollination

  generalist when it comes to choosing plants for pollination . These adaptable insects can pollinate a wide range of plants, making them valuable in diverse [...] grains and ornamental plants for seed production. These flies are often applied in tents or other small isolation units with a few plants or when the amount [...] is a method of plant reproduction facilitated by various species of flies . Unlike bees, which are equipped with specialized structures for collecting and

• Leaf stripe

  splits at the end which makes it look shredded. This is typical for this disease. Infected plants may be stunted and heads may be distorted and failing to emerge [...] temperature during seedling emergence is critical for infection. Soil temperatures below 12 °C are most conducive for this disease and infection does not occur [...] barley until soil temperature is higher than 12-15 o C Prevent plant diseases by optimizing plant potential and crop resilience.

• Pierce's disease of grapevine

  tyloses block the vessels, causing the plants to wilt. Transport to different plant parts depends on the plant species: in peach, bacteria are found in [...] one host plant species to another is still under investigation and seems to depend on the location of the bacteria in the infected plants. For example, [...] numbers are found in leaves and fruits. The bacteria are transferred from plant to plant by all kinds of xylem-feeding insects. Well known, but certainly not

• Aphelinus abdominalis

  recognized distributor of Koppert products for advice on the best strategy for your situation. Best conditions for use of Aphelinus abdominalis The parasitic [...] s is a parasitic wasp for the biological control of various aphid species. The parasitic wasp Aphelinus abdominalis is used for the biological control [...] abdomen with her long ovipositor. The ovipositor will remain inserted for several minutes for egg deposition. Host feeding plays an important role in reducing

• Glume blotch

  (RH). The optimum temperature for germination of the conidia is between 20 and 25 °C. The ascospores are responsible for wind dispersal of the fungus over [...] is more efficient so the disease will spread faster Prevent plant diseases by optimizing plant potential and crop resilience. [...] above freezing when water is available. Conidia require a minimum of 5 °C for germination. Primary infection is mostly by ascospores or conidia on the oldest