Spidex Vital lives up to its promises

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.’ [...] explain the added value of the new product to the market in very clear terms. Just like its predecessor more than fifty years ago, Spidex Vital has the full [...] 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

Effective control with Chrysopa-E!

effectively and economically. Continuous R&D has resulted in a new product marketed under the name, Chrysopa-E , which uses the egg stage of the lacewing [...] Economical and better biocontrol of aphids, mealy bugs and Echinothrips Aphids and mealy bugs are difficult to control and an increasing problem in many crops [...] crops in which hotspots can grow explosively. By using an earlier phase of lacewing - the natural enemy of aphids, mealybugs and Echinothrips – growers

Amblyseius andersoni

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 veins. It [...] is also available in breeding sachets ( Anso-Mite Plus ). In this case the predatory mites multiply in the sachet and disperse into the crop over a period [...] 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

Amblyseius swirskii

often in the axil of veins. They are oval, white and are approximately 0.14 mm in diameter. The larvae have six legs, are the same colour as the eggs, [...] it is hindered by the glandular hairs on the stems and leaves and does not 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 gently before use Push the centre of the cap to open the dosage hole Sprinkle

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 [...] control plant pathogens, which are microorganisms that cause diseases in plants. The primary goal of biological control is to reduce the damage caused by these

Black bean aphid

presence in the crop. The black bean aphid is dark olive green to black with black bands across the back. The two cornicles (or siphunculi) are short and usually [...] through the transmission of plant viruses. Infestations start usually at the younger parts of the plant but can spread all over the plant. Nymphs and adults [...] from the plant and disturb the balance of growth hormones. As a result, the plant’s growth is retarded giving rise to deformed leaves or, if the infestation

Crazy roots, hairy roots, crown gall

of the plant resulting from the Rhizobium infection. Rhizobium rhizogenes puts a Ri-plasmid in the plant tissue and causes a genetic change in the plant [...] overgrow the substrate and in severe epidemics the drippers get clogged. In tomato, excessive vegetative growth occurs. Life cycle and appearance of Crazy roots [...] Adjust the work order in greenhouses to fit with the hygiene protocol Disinfect the nutrient solution in order to prevent biofilm growth inside the irrigation

Aphelinus abdominalis

examine it briefly with the tips of the antennae. She turns herself around, curls up the wing tips, and will try to pierce the aphid in the abdomen with her long [...] black mummy. The adult wasp appears through an irregularly serrated hole at the posterior end of the mummy, on which the aphid’s antennae and cornicles can [...] feeding while the larger individuals are parasitized. The control of the aphids is due to host feeding and parasitization in roughly equal measure. Life cycle

Western flower thrips

pupa, and finally the adult insect. The eggs of the western flower thrips (Frankliniella occidentalis) are laid in leaves, flower petals and in the soft [...] ) usually pupate in the ground, although pupae can also be found on leaves, in flowers or in other sheltered places. The prepupal and pupal instars can [...] Compared to the prepupa, the pupa has longer, more developed wing buds and longer antennae that are curved back over the head. The prepupal and pupal instars

Lesser Mealworm

its life in cracks and crevices, manure, litter, and under feed and water lines. The eggs are oblong, about 1.5 mm (0.06 inches) in length and creamy white [...] congregate in large numbers around feed and water stations and breed prolifically, with the following consequences: The birds eat them and can develop [...] General The darkling beetle, or lesser mealworm, Alphitobius diaperinus is one of the most abundant insects found on the floor of poultry houses. It has