• Phytophthora blight

  wind and rain causes the pathogen to be returned to the soil from infected plants. Dispersal in the soil happens via water, since the zoospores can readily [...] flagellae which enable them to move through water. Infection is usually from the root to the foot, but direct infection of the foot also occurs. Exudates [...] tips promote germination and attract the zoospores. The pathogen grows into the stem and on the plant surface and new sporangiophores (structures containing

• Bactosan

  and add to 10 traps per application. Regularly check the bait solution and frequently remove the trapped flies from the Bactosan trap. Change the lure at [...] of fruit flies . The trap is baited with an fruit fly attractant to lure both male and female pest. Flies enter the trap through the inverted funnel. Once [...] flies . The trap is used in combination with species-specific Pherodis pheromone and fruit fly attractant to catch both males and females. When to use Bactosan

• Black leg of seedlings

  enable the spores to move through water. The zoospores are chemically drawn to the growing roots of young plants and move towards them through the soil water [...] later the plants wilt irreversibly. In potted plants the flower buds fall off. The side roots rot and very little of the root system survives. On the border [...] content of the substrate below 70% and ensure good drainage Disinfect recirculating nutrient solutions Increase the distance to the main substrate at the start

• Bacterial canker of tomato

  in the field, spraying may also spread the bacteria. The bacteria can also be dispersed by machinery, crates and tools. The bacteria infect the new plants [...] efforts are used to prevent the bacterium from entering. When the occasional infection is found, strict measures are taken to eradicate the infection. In [...] brown centre. In potato, the disease usually only occurs in the second half of the season. The first symptoms are wilting of the lower leaves and subsequent

• Damping-off

  enable the spores to move through water. The zoospores are chemically drawn to the growing roots of young plants and move towards them through the soil water [...] bulbs. At first, the plants recover during the night, but later the plants wilt irreversibly. In potted plants the flower buds fall off. The side roots rot [...] of the substrate below 70% and ensure good drainage Disinfect recirculating nutrient solutions. Increase the distance to the main substrate at the start

• Glasshouse potato aphid

  deformations in the growing tip of the plant. Precisely where the plant is pierced is unimportant. The piercing of the lower leaves in the crop can cause [...] length exceeds that of the body. The legs are also long, there are two distinctive dark green spots on the abdomen at the base of the cornicles. Alate (winged) [...] When the glasshouse potato aphid (Aulacorthum solani) pierces the leaves or the fruit of sweet pepper it secretes a toxic substance, which leads to deformations

• Koppert is investing in smarter scouting

  May 29, 2019

  Koppert ‘The dashboard also provides detailed analyses of the situation in the greenhouse and shows the severity of the infestation, enabling growers to act [...] progresses. Act quickly Thanks to this, growers only need to use a smartphone to scan the Horiver sticky traps in their greenhouses. The scout-app can identify [...] innovation that will change the world of scouting. The scout-app will automatically analyse Horiver sticky traps, enabling growers to scout more efficient and

• Apple scab

  Apple scab is one of the most economically important fungal diseases of apple worldwide. Caused by the fungus Venturia inaequalis , the disease infects leaves [...] Venturia inaequalis primarily survives the winter in infected fallen leaves on the orchard floor. Within these leaves, the fungus forms pseudothecia, which produce [...] scab-resistant cultivars when possible Prune to ensure good air circulation through the canopy, which decreases the duration of leaf wetness and reduces secondary

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• Predatory insects

  alternative to chemical pesticides. This reduces the environmental impact associated with the use of synthetic chemicals, safeguarding the overall ecosystem [...] populations, gall midges contribute to the overall health of plants and help maintain a balanced ecosystem without the need for chemical pesticides. Koppert [...] at a high rate. The larvae are highly mobile and actively seek out aphid colonies, helping to keep their populations in check. Next to aphids, lacewings