Antracnosis del haba

symptoms Ascochyta pisi causes spots on leaves, stems and pods of peas. The spots on leaves and pods are round, on the stems they are more elongated. The [...] dark brown to red-brown border. The first infection is often on the primary leaves. The fungus is seed borne and thus also causes post- and pre-emergence [...] General Ascochyta pisi is a fungal plant pathogen that causes A scochyta blight on pea (leaf blight or pea blight) and lesions of stems, leaves, and pods

Oriental fruit moth

the full-grown larva and pupa. It is made of silken threads and particles of the objects on which it rests. The pupa is reddish-brown. The number of generations [...] molesta ) is an important pest of peach and nectarines; other fruit trees like apple, pear, almond and apricot are also attacked by this pest. It is native [...] countries. Damage symptoms Infested fruits have frass-filled holes on the surface. On peach, the larvae destroy buds in spring and disrupt the growth of

Apple scab

so the lesions remain smaller. Based on the research that has been done on the influence of climatic conditions on release of ascospores and risk of infection [...] which at first presents itself as lesions on blossoms, leaves, petioles and fruits and sometimes on twigs and bud scales. The lesions are olive-green. When [...] fallen leaves or in lesions on twigs. These unripe fruiting bodies, or pseudothecia ripen in winter and form ascospores. Depending on the temperature, these

Shore fly

vicinity of water. They feed on algae. Other shore fly species have diverse feeding habits but the larvae of most species feed on rotting material. Shore flies [...] feed on green algae. However, they can transmit plant diseases and can be a nuisance to greenhouse works by their sheer numbers. Frass deposited on leaves [...] bean-shaped. A first instar larva is translucent white. Second instar larvae are brownish, less translucent and their body is cylindrical. The larvae are found

Codling moth

moth ( Cydia pomonella ) is a notorious, worldwide pest of apple and also occasionally of pear, quince, peach and other fruits. It is very common in Europe [...] flesh, leaving behind brown frass. The entry point is then greatly enlarged as the tissue beneath is eaten away. Infested fruits usually ripen prematurely [...] ocellus on the hind part. The hindwings are brown. The eggs are about 1.3 x 1.0 mm, and whitish opalescent when laid. Later, the developing embryo is visible

Trial_and_Field_results_nematodes_in_fruit_orchards_EN_-_Koppert.pdf

autumn application on codling moth (Cydia pomonella) damage on apples, France - Independent trial (GDA84) Fruit damage % 2% 1,5% 1% -61% 0,5% 0 -80% End [...] in apple 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 [...] results are good. 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

Black tea thrips

stage which is light yellow with red eyes and short wing pads. The pupal stage is slightly larger, with longer wing pads and larger eyes. It is yellowish [...] Heliothrips haemorrhoidalis , is widely distributed in the tropics and subtropics; it also occurs in greenhouses of temperate areas, is highly polyphagous, and [...] thrips is parthenogenic, it reproduces without mating, and males are rare. The adults are poor fliers and tend to remain in the shaded areas on the plant

Moscas

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 well [...] Frass deposited on leaves or flowers in ornamental crops, lettuce, and herbs also causes cosmetic damage, and sometimes this can occur on such a scale that [...] 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

FAQ Nematodes

the nematode is in the host and the temperature is not too low is there a small chance that the nematodes can overwinter. However, this is never to the [...] finer than 0.3 mm. If there is any doubt, remove all filters. What pressure can be on the pump and the spray boom? The pressure on the nozzle may not exceed [...] will flush with the drain. (Pot) soil, on the other hand and if not too dry, is always good. Heavy clay soil is also not optimum for nematodes. In this

Escarabajos

species feed on growing tips and roots or chew and bore into stems, but in other species also feed on leaves. Adult beetles cause damage by feeding on fruits [...] that are easily recognizable on account of their hard wing covers (elytra). With more than 350,000 known species, Coleoptera is the largest of all insect [...] 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 a pupal