• Citrus mealybug

  an adequate intake of protein, mealybugs must therefore ingest large quantities of sap, getting rid of the excess sugars in the form of honeydew. Charac [...] can thus cause considerable economic damage. Life cycle and appearance of Citrus mealybug Adult females of Planococcus citri are 2.5 - 4 mm long and 2 - [...] hed from other mealy bugs by their possession of 18 pairs of relatively short wax rods round the edge of the body, and two slightly longer ‘tail filaments’

• Natupol Excel

  Natupol Excel is developed for crops with a high amount of flowers per m² (35-60 flowers) per week, and for crops grown under artificial light or in warmer [...] as cherry tomatoes and snack tomatoes, (straw)berries. Mode of action After introduction of the hive, worker bumblebees start pollinating the flowers while [...] on environmental conditions and the amount and quality of pollen. Presentation One large colony of bumblebees including a queen, workers, brood and sugar

• Pierce's disease of grapevine

  in olive. Damage symptoms Grapevines: Primary infection of leaves results in leaf scorch. Part of a green leaf suddenly dies and turns brown with adjacent [...] occur on the underside of the leaves. These lesions start out in a light-brown colour, turning to dark-brown or necrosis. Fruits of infected trees are much [...] foliage becomes thinner, but the trees don’t die of the disease. Olives: Scorch symptoms and desiccation of twigs and small branches occur on infected leaves

• Vidi Fol (Fortafol)

  required amount of water Add the correct amount of Vidi Fol to the water Mix thoroughly Fill the tank with the remaining amount of water The pH of the solution [...] crop. Crops All crops. Mode of action Fulvic acids improve permeability the of cell membranes, leading to better transport of nutrients. This results in [...] systems: Dissolve the required amount of Vidi Fol in the appropriate amount of water for the device that is used The pH of the solution should be between 5

• Predatory insects

  Mirical-N ), a species of predatory bug, is particularly skilled in controlling whitefly and caterpillars but also contributes to the control of spider mites , [...] lacewings also contribute to the control of mealybugs , thrips and caterpillars . Koppert offers Chrysopa , Chrysopa-E , featuring the species Chrysoperla carnea [...] Ladybirds are known to be highly efficient predators, capable of consuming a significant number of aphids in a short period. Aphidalia , featuring the ladybird

• Spidex Vital lives up to its promises

  earlier, the population develops more rapidly.’ A sense of calm on the farm The increased effectiveness of Spidex Vital is a major advantage for Sjaak van Dijk [...] problems in cucumbers. The ability of Spidex Vital to tackle spider mites and hot-spots effectively brings a sense of calm to the farm.’ He states that [...] game changer in spider mite control. It changes the rules of the game and is even more in control of spider mites . And the grower reaps the benefits.’

• Bumblebee pollination

  growers economically but also contribute to the preservation of biodiversity and the overall health of ecosystems Why are bumblebees good pollinators? Bumblebees [...] as they visit a high number of flowers per minute and transfer more pollen to the stigma than other pollinators. Benefits of bumblebees are: Bumblebees [...] guarantees maximum pollination . The Natupol system is the result of over 35 years of accumulated expertise coupled to the latest technology – our best

• Encarsia formosa

  reliance on chemical pesticides. Life cycle and appearance of Encarsia formosa The development of E. formosa consists of six stages: the egg, three larval [...] pupa remains transparent to brown in colour. The pupa of E. formosa is unique among the species of Encarsia , in that it is formed immediately beneath and [...] it may be better to switch to the use of Enermix or Ercal . Consult a Koppert advisor or a recognized distributor of Koppert products for advice on the best

• Aphidius colemani

  colemani is widely used in the biological control of aphids . Aphidius colemani is used for the control of the following pests: Cotton aphid ( Aphis gossypii [...] or a recognized distributor of Koppert products for advice on the best strategy for your situation. Best conditions for use of Aphidius colemani The parasitic [...] aphids , even when they are at low density. The behaviour of the female during egg-laying is typical of the Aphidiidae. First the host is examined by drumming

• Trial results onion fly and bean seed fly

  Since 1986, many years of experience have gone into the selection, production and quality control of our beneficial nematodes. Each of the nematodes produced [...] biological control of many pests. Meet Frank Keijzer, the owner of a 57-hectare organic arable farm and is growing a wide variety of crops, including onions [...] discovering the first larvae of the bean seed fly, Frank decided to use Capirel. Integrated pest management, including the use of beneficial nematodes like