• Capyphor

  January 1, 1970

  15-20°C/59-68°F) Stir well and leave the contents to soak for five minutes Stir again and pour the contents of the bucket into the half-filled spray tank (except [...] ) Mode of action The nematodes enter the pest and release symbiotic bacteria into the pest's body cavity. These bacteria convert the host tissue into a [...] develop, and reproduce inside the host. This kills the pest within a few hours to days after infection. Visual effect Infected pest insects in the root zone

• Optimal placement of bumblebee hives

  January 1, 1970

  as condensation and rainwater. Regular hive maintenance and checks are recommended to ensure the well-being of the bumblebee colony and prevent potential [...] advisable to position the hives at a height of 20 – 60 cm above the ground on the south side of the path. This location ensures that the hives receive adequate [...] throughout the day. In case of insufficient shade, additional measures should be taken, especially in autumn when the Wireless Beehome System is closed. In times

• Spidex Vital lives up to its promises

  January 1, 1970

  Spidex Vital has the full potential to develop into a game changer in spider mite control. It changes the rules of the game and is even more in control of spider [...] experiences in using the new product are positive. ‘I’ve known Phytoseiulus my whole life,’ the cucumber grower begins. On his three-hectare farm in Pijnacker [...] work on tackling spider mites and hot-spots, the beneficials search more effectively and as they lay their eggs earlier, the population develops more rapidly

• Bacterial canker of tomato

  January 1, 1970

  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 [...] measures are taken to eradicate the infection. In tomato, growers must either destroy the infected crop entirely or, if the crop is old, only the plants [...] expansion of the wilt upwards. Cutting the stem at the foot shows whitish ooze with bacteria in the case of C lavibacter infection, but other than that the disease

• Phytoseiulus persimilis

  January 1, 1970

  spider mites. The quantity of prey consumed depends on the predator and prey populations, the sex and age of the predator, and the temperature and relative [...] deutonymph and adult, except for the resting period in the larval and nymphal stages. On plants, the oval eggs are usually deposited close to, or in a spider [...] During the protonymphal, deutonymphal and adult stages the mites feed almost continuously. Protonymphs and deutonymphs are similar to the adults in appearance

• Amblyseius andersoni

  January 1, 1970

  Adults are about 0.5 mm in size. Predatory mites are usually found on the lower surface of the leaves, often in the corner of the main vein and lateral [...] deutonymph, and adult. Eggs are laid on the underside of leaves, often in the axil of veins. They are oval, white and are approximately 0.14 mm in diameter [...] diameter. The larvae have six legs, are the same colour as the eggs, and are only slightly larger. The larvae of Amblyseius andersoni are facultative feeders

• Green peach aphid

  January 1, 1970

  honeydew, contaminating fruit and ornamental crops and rendering them unsuitable for market. At the same time, photosynthesis in the leaves is reduced, affecting [...] dark brown spot on the abdomen and several transverse black bands across the body. Nymphs that develop into winged adults are often pink or red in colour. [...] different viruses and is thus rightfully feared by many growers. Nymphs and adults extract nutrients from the plant and disturb the balance of growth hormones

• Beetles

  January 1, 1970

  before reaching the adult stage. Larvae have biting mouthparts and mostly feed on the same food as the adults. The pupae do not make a cocoon and will already [...] orders and displays an enormous variety of form, size and habit. A number of species are a serious pest in crops or stored products. There are many useful [...] larvae and adults of beetles can cause damage to crops. The larvae of some species feed on growing tips and roots or chew and bore into stems, but in other

• Transeius montdorensis

  January 1, 1970

  leaves. They are oval, white and have a diameter of approximately 0.14 mm. The larvae have six legs, are the same colour as the eggs, and are only slightly [...] available in breeding sachets ( Montdo-Mite Plus, Montdo Ulti-Mite). In this case the predatory mites multiply in the sachet and disperse into the crop over [...] elongated body. They are roughly 0.4 mm in length. Males are smaller than females. The mites are very mobile and actively search for food on the underside of leaves

• Flies

  January 1, 1970

  flies ) and Ephydridae (shore flies). The larvae of these insects generally live on rotting plant material and are mostly found in the soil. The spotted wing [...] soft fruits in Europe and North America. Sciarid flies and shore flies are mainly a problem in greenhouses. Their larvae live in the ground and prefer moist [...] Beneficial nematodes and predatory mites target fly larvae in the soil, while traps and attractants reduce adult populations and support monitoring. With