Apple scab

petioles and fruits and sometimes on twigs and bud scales. The lesions are olive-green. When spores are produced, the lesions become grey and fluffy. The lesions [...] through the cuticula. The asexual conidia are released and repeat the cycle of infection of new plant parts and spore production. In autumn, the fungus [...] wind-dispersed to the fruit trees and will germinate if free water is available. They infect the plant by direct penetration of the cuticula and then grow between

Antracnosis del haba

border. The first infection is often on the primary leaves. The fungus is seed borne and thus also causes post- and pre-emergence damping off and dwarfing [...] . Conidia and other fungal structures are transmitted on the outside of the seed coat and cause primary infection. The conidia germinate and infect through [...] of peas. The spots on leaves and pods are round, on the stems they are more elongated. The lesions are light brown, sunken and surrounded by a dark brown

Trial_and_Field_results_nematodes_in_fruit_orchards_EN_-_Koppert.pdf

halfway and the bucket with the nematodes is injected into the preparation. And finally, we complete the volume of water to correspond with the quantity [...] agriculture and Capirel nematodes helped a lot to control and reduce the pest pressure,’ Michel states. ‘It had a positive effect in the spring and there was [...] to reduce the pest pressure for the following spring. Easy application and good results ‘For the preparation, I leave the nematodes at room temperature

Shore fly

Shore fly The life cycle of the shore fly ( Scatella tenuicosta ) has the following stages: egg, three larval instars, a pupa and the adult fly. The eggs are [...] plant diseases and can be a nuisance to greenhouse works by their sheer numbers. Frass deposited on leaves or flowers in ornamental crops, lettuce and herbs [...] cylindrical. The larvae are found in the top layer of damp soil, where they also pupate. The adult shore fly is black, about 4 to 5 mm long, and stout with

Moscas

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 substrates [...] indirectly. The type of damage depends on the species of the flies. Direct damage is the immediate result of larvae feeding on root hairs and tender roots as [...] para el control de moscas Más información The adult form of the onion fly Delia antiqua What are flies? There are several flies that are pests in agriculture

FAQ Nematodes

temperatures and certainly not outside a host. Only if the nematode is in the host and the temperature is not too low is there a small chance that the nematodes [...] on the pump and the spray boom? The pressure on the nozzle may not exceed 20 bar (190 psi), with conventional large volume nozzles. Why should the soil [...] are in the certification process. Please contact the local Koppert subsidiary for more info. 4. Packaging and formulation What is the substance the nematodes

Escarabajos

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 [...] contribute to the control of aphids. Beetles undergo a complete metamorphosis, that is, the larvae do not resemble the adult at all, and must pass through [...] damage Both 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

Black tea thrips

males are rare. The adults are poor fliers and tend to remain in the shaded areas on the plant. The eggs are white and banana-shaped and are inserted singly [...] symptoms The black tea thrips feeds primarily on the foliage of ornamental plants. It attacks the lower surface first and, as feeding progresses and the population [...] eyes. It is yellowish and then darkens with age. The antennae are bent backward over the head in the pupal stage. The prepupal and pupal stages do not feed

Oriental fruit moth

to north-west China, and spread from Japan to Australia, central Europe, the east coast of the USA and Brazil at the beginning of the twentieth century. [...] 10-16 mm, and is dark-grey. When at rest, the wings are held in a roof-like position over the body, and the antennae are bent backwards over the wings. Eggs [...] above the anal opening. The cocoon is a protective covering for the full-grown larva and pupa. It is made of silken threads and particles of the objects

Codling moth

invading the fruit, the larvae first form a small cavity just under the skin. The entry hole can be seen and is usually plugged by dry frass. The larva then [...] burrows towards the core and eats a large proportion of the flesh, leaving behind brown frass. The entry point is then greatly enlarged as the tissue beneath [...] with ash-grey and a large, metallic, bronzy black ocellus on the hind part. The hindwings are brown. The eggs are about 1.3 x 1.0 mm, and whitish opalescent