• 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

• Damping-off

  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

• Black rot of carrots

  petals and stems. These spots can be distinguished by the dark and brown concentric rings that are caused by sporulation. Species may differ in specific symptoms [...] Infection is both direct and through wounds and stomata. Spores are dispersed by wind and in some species through the splash of rain. How to prevent Black [...] conducive to infection. In greenhouses: avoid high RH. Prevent plant diseases by optimizing plant potential and crop resilience.

• Natutec biocontrol application devices

  biocontrol products that can be applied using Natutec technology. Endorsed by Koppert Natutec is a product brand of Koppert. We specialize in the production

• Cottony soft rot

  above-ground plant parts. In greenhouses, usually only mycelium is produced by the germinating sclerotia. The fungus grows quite rapidly inside the plant [...] source of infection for the next crop. The dispersal to neighbouring plants is by mycelial growth. How to prevent Cottony soft rot Practice dry cultivation/be [...] plants in a closed plastic bag Remove crop residues Prevent plant diseases by optimizing plant potential and crop resilience.

• 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

• Tarnished plant bug

  subclasses Rosidae and Asteridae . Producers can help prevent infestations by eliminating weed hosts (butterweed, goldenrod, fleabane, etc.) nearby, cultivating

• Corn rootworm

  Asteraceae, Fabaceae and Cucurbitaceae. Damage symptoms Damage is caused by both larval and adult feeding, although it is the former that causes the most

• Fall Armyworm

  possible for fall armyworms to spread over large areas rapidly. Adults fly by night, and are attracted to lights, especially those with a strong ultra-violet