• Spidex Vital lives up to its promises

  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

  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

• Green peach aphid

  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

• Phytoseiulus persimilis

  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

• Fall Armyworm

  symptoms The developing larvae eat different parts of the host plant, depending on the crop, the stage of crop development, and the age of the larvae. On [...] pinkish or light green and spherical, and are usually laid on the underside of the leaves. The larvae ( caterpillars ) are 30-40 mm long. They have six instars [...] surface of the last segment. Pupae are reddish brown and measure 13 to 17 mm in length. The eggs hatch after 3-5 days. Over the next 2 to 3 weeks, the larvae

• Amblyseius andersoni

  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

• Flies

  Sciarid flies and shore flies are mainly a problem in greenhouses. Their larvae live in the ground and prefer moist substrates that is rich in organic matter [...] mostly found in the soil. The spotted wing drosophila , Drosophila suzukii , has recently developed into a major pest on soft fruits in Europe and North America [...] Beneficial nematodes and predatory mites target fly larvae in the soil, while traps and attractants reduce adult populations and support monitoring. With

• Beetles

  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

• Plant Disease Management

  preventing the disease from spreading further. Crop rotation Crop rotation is a fundamental strategy, which means avoiding planting the same crop in the same [...] disease cycles and reduces the buildup of pathogens in the soil. Disease-resistant varieties Another vital aspect of prevention is the use of disease-resistant [...] plant pathogens, which are microorganisms that cause diseases in plants. The primary goal of biological control is to reduce the damage caused by these

• Pollination

  n is the transfer of pollen from the anthers of the flower to the stigma of the flower. If the pollen is transferred from anther to stigma on the same [...] comes to the production of vegetables, fruit and seed. Well pollinated crops result in considerably higher yields and improve the quality and shelf-life [...] ion. Cross pollination, is the transfer of pollen from the anther of one flower to the stigma of another flower on the same plant or on another plant.