• Predatory mites

  Resilient pest management: Predatory mites can build up a population in the crop and control pests for a long period of time. Reduced pesticide dependence: [...] crops, using a blower for dispersion is an available option. This approach proves particularly effective when a swift response is required due to a pest invading [...] mites in bottles The standard packaging for predatory mites includes a bottle with a convenient dosing cap, simplifying the process of distributing them

• Black rot of carrots

  radicina ) up to 8 years. Damage symptoms Black rot of carrots ( Alternaria radicina ) causes death of seedlings and dark brown lesions with a yellow halo [...] Alternaria occurs at temperatures from 2-4 °C up to 28-30 °C (optimum temperatures lie between 15 and 28 °C) and at a relative humidity (RH) of over 90% or when [...] during harvest (in potato and carrot). Post-harvest storage at 0-1 o C. A. brassicae and A. brassicicola : adjust the sowing date to avoid conditions conducive

• Amblydromalus limonicus

  and does not build up a population. How to use Amblydromalus limonicus The predatory mite Amblydromalus limonicus is available in a bottle ( Limonica ) [...] Amblydromalus limonicus is a species of predatory mite known for its role in biological pest control . Amblydromalus limonicus is a natural enemy of various [...] have eight legs, and are a whitish yellow colour. Adult mites have eight legs, are translucent white in colour, and have a flat, elongated body. They

• Yellow rose aphid

  aphid is also a vector of several viruses attacking strawberries and roses. Life cycle and appearance of Yellow rose aphid Aphids have a complex life cycle [...] yellow rose aphids have a brownish head; the body is bright yellow to yellow-green or green and rather shiny. Winged aphids have a bright green abdomen with [...] of Asia and South America. It attacks plants of the family Rosaceae and is a pest of strawberries and roses. Damage symptoms The yellow rose aphids usually

• Municipality Doetinchem: Entonem nematodes managing oak processionary caterpillar

  Koppert’s nematode product Entonem . A major advantage is that the bycatch of other caterpillars is much lower, which is a great benefit to biodiversity. In [...] level of infestation with the oak processionary caterpillar within the built-up area was so high that preventive management became necessary. ‘We think it [...] using nematodes at locations with significant contact options within the built-up area. For the optimal effect, we did it twice.’ Entonem an important link

• Aphidend

  repeated at weekly intervals until control is achieved. Consult a Koppert advisor or a recognized distributor of Koppert products for advice on the best [...] pupae. Presentation 100 ml; 500 ml bottle. Carrier Wood fiber. Application Open the bottle in the greenhouse Place the bottle directly on the soil or rockwool [...] optimal conditions for oviposition. Apply Aphidend in an environment with a high relative humidity (> 70%) to get the best results. Combined use High densities

• Onion thrips

  are inserted into the plant tissue with a saw-like ovipositor. Larvae are light to yellowish green in colour, with a large head and bright red eyes. The colour [...] General The onion thrips (Thrips tabaci) is distributed throughout the world. It is found outdoors on many plants and particularly damaging on onions,

• Natupol Excel

  plants, in such a way that the hive is exposed to the first daylight Wait for at least 15 minutes after positioning the hive before opening the hive entrance [...] per crop and depends on environmental conditions. Always consult a Koppert advisor or a recognized distributor of Koppert products for advice on the best [...] 15–25°C. Storage conditions Keep hives in a well ventilated environment, out of direct sunlight. Hygiene Never move a hive from one greenhouse to another Remove

• European corn borer

  The eggs are laid in a mass and overlap like tiles on a roof. The average number of eggs per egg mass is 30. The larvae are up to 25 mm long; body pale [...] brownish and dark spots with a pale centre at the base of the hairs. The head is brown to brownish black. The pupae are up to 2 cm long and light to dark [...] General The European corn borer ( Ostrinia nubilali s), is a severe pest of maize and has also been reported to attack apple, strawberries, peppers and

• Long-tailed mealybug

  instars which are at first kept beneath the body in a network of fine waxy threads. Over two or three weeks, a female produces 100-200 nymphs. In the summer [...] and sub-tropical regions, but these days it is widespread throughout the world. The range of host plants of Pseudococcus longispinus is less extensive than [...] species often inhabits concealed places such as auxiliary buds and prefers a warm, humid environment. Damage symptoms Mealybugs inflict damage on the crop