• Whitefly

  January 1, 1970

  comparable in outline. Whitefly can be found in many different environments, but they are particularly common in greenhouse settings and in agricultural [...] insects that are typically about 1-2 mm in length. They have a distinctive, triangular shape and hold their wings in a vertical position over their body when [...] actively engaged for several hours in seeking a suitable place on the leaf where they can feed. Once they have found such a spot, they remain there throughout

• Caterpillar control with nematodes

  January 1, 1970

  effective against a variety of caterpillars . It also shows that while nematodes move most efficiently in a liquid layer, a dry leaf surface does not stop the [...] l, organic or zero residue growing methods in a wide range of crops; fruits, vegetables and ornamental crops. 5 reasons to use nematodes Effective control [...] caterpillar which dies within a few days. When applied correctly, beneficial nematodes significantly reduce pest pressure, resulting in a healthier crop and higher

• European red mite

  January 1, 1970

  generations in one year. The European red mite overwinters in the egg stage; the “winter eggs” are laid in the wooden parts of the host plants in autumn. [...] is mainly a pest of fruit trees (apple, pear, plum and cherry). However, it can attack a large scale of other woody plants and is occasionally a problem [...] Rosaceae grown in greenhouses. It originates from Europe (as can be seen from the common name, European red mite) but is now distributed in all important

• Spidex Boost

  January 1, 1970

  Sachets in cardboard box Carrier Wood-chips. Application Hang sachets in sheltered locations in the crop, not exposed to direct sunlight Sachets do not have [...] damaging the predatory mites In contrast to other Koppert products containing mites in sachets, Spidex Boost does not contain a rearing system which produces [...] the first spider mites are detected in the crop. Use at least 4,000 sachets per ha and hang them evenly spaced in the crop. Release should be repeated

• Shore fly

  January 1, 1970

  fliers and can move throughout a greenhouse readily, they generally remain close to breeding sites. They breed in algae growing on soil, pots, benches, and [...] live in and just beneath the algal crust growing on top of the soil/medium, where they feed on algae, bacteria, yeasts and other microorganisms. In 3–6 [...] flies of the genus Scatella are a common greenhouse pest found throughout the United States, Canada and northern Mexico. In Europe and Asia, the species Scatella

• Manual Growing lights

  January 1, 1970

  spectrum for foraging, but do not see in the red light spectrum. Conversely, humans do see in the red light spectrum but also in the green and blue light [...] during the winter months. Keep in mind that growing lights produce a lot of heat, and can therefore influence the local climate in the greenhouse. This can lead [...] vision. 3 In winter time, when (UV)light levels are already low, growing lights (SON-T) are often used. These lights spread a lot of light in the yellow/red

• Sciarid flies

  January 1, 1970

  to plant roots. The larvae can grow to 5 to 12 mm in length and 0.5 to 1.5 mm in diameter. They are legless and have a conspicuous black head. The head [...] commonly in greenhouses throughout the world. Although they generally do little harm to healthy plants, sciarid flies are particularly problematic in cuttings [...] areas in dark places, with a lot of organic material. They occur the whole year round. The eggs are minute (0.1 to 0.25 mm) and yellowish white in colour

• Amblyseius swirskii

  January 1, 1970

  build up a population. Amblyseius swirskii in bottles The predatory mite Amblyseius swirskii is available in a bottle ( Swirski-Mite ). Turn and shake the bottle [...] swirskii do not need to feed. The nymphs are larger than the larvae, have eight legs, and are a whitish yellow colour. Adult mites have eight legs, are a translucent [...] translucent white in colour, and have a flat, elongated body. They are roughly 0.4 mm in length. Males are smaller than females. The mites are very mobile

• Trial_and_Field_results_nematodes_in_fruit_orchards_EN_-_Koppert.pdf

  January 1, 1970

  Michel Loubejac is a fruit grower in Moissac in the Tarn-etGaronne, region of France. Here he grows organic apples on 5 hectares used for baby compotes [...] There is only a little damage but it’s not excessive,’ he confirms. ‘We do it every year to avoid pest invasion so it is fully included in the treatment [...] users and the formulation is 100% biodegradable. It’s a natural, living solution with a long shelf life in the fridge,’ Michel concludes. ‘Yes, I would recommend

• Black leg of seedlings

  January 1, 1970

  General Pythium is considered a ‘weak pathogen’, meaning that it can usually only affect plants that are in a sub-optimal condition or suffer from stress [...] Pythium affects roots, in particular those of seedlings. Infected plants lag in growth. Seedlings fall over (‘ damping-off ’). In slightly older plants [...] substrate the plant turns brown. A typical symptom of a Pythium infection is the easy stripping of the skin from the root cortex with a finger nail. Life cycle