Grape downy mildew

overwinters as oospores in fallen, infected leaves. In mild climates, it can also survive as mycelium in grape buds and canes. In spring, oospores germinate [...] Plasmopara viticola is a plant pathogen causing downy mildew in grapes. P. viticola occurs in nearly all grape-growing regions worldwide. Damage symptons [...] y with weather. Rigorous management is essential in wet climates and during unusually wet seasons in typically dry areas. Most grape cultivars are highly

FAQ Nematodes

larvae, especially in the case of large insects. Do entomopathogenic nematodes only work as a soil application? In nature they live in soil and are therefore [...] substance the nematodes are packed in? In order for the nematodes to survive during transport and storage they need to be packed in a carrier material. This b [...] 1. Nematodes in general What are nematodes? Nematodes are microscopically small (0.6 to 1 mm), unsegmented worms that occur naturally in the soil throughout

Apple scab

overwinters in the form of unripe fruiting bodies in infected fallen leaves or in lesions on twigs. These unripe fruiting bodies, or pseudothecia ripen in winter [...] parts and spore production. In autumn, the fungus produces new pseudothecia in leaves that have already fallen off the trees. In response to the infection [...] the plants produce cork as a defence against further growth of the fungus. In cultivars that are more resistant, this happens faster so the lesions remain

Moscas

shore flies are mainly a problem in greenhouses. Their larvae live in the ground and prefer moist substrates that is rich in organic matter. Although they [...] are 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 [...] Diptera Moscas What are flies? There are several flies that are pests in agriculture, horticulture and mushroom cultivation. Species that can cause damage

Codling moth

overwinter and pupate in spring. Larvae still in the apples at harvest can often be found in cracks in apple boxes or other places in the store. [...] get through five stages in approximately 4 weeks. Fully grown larvae leave the fruits and spin cocoons under loose bark, cracks in trunks or supporting stalks [...] also occasionally of pear, quince, peach and other fruits. It is very common in Europe. Damage symptoms After invading the fruit, the larvae first form a

Trial_and_Field_results_nematodes_in_fruit_orchards_EN_-_Koppert.pdf

vegetables, among others. Using beneficial nematodes in apple Michel Loubejac is a fruit grower in Moissac in the Tarn-etGaronne, region of France. Here he grows [...] Effective results in reducing damage from lepidopteran pests in top and stone fruits Impact of Capirel autumn application on codling moth (Cydia pomonella) [...] (Anarsia lineatella) and oriental fruit moth damage (Cydia molesta) in peaches in Italy (Cerignola) - 2020 Independent trial Bud damage % April 8th 90

Black tea thrips

Heliothrips haemorrhoidalis , is widely distributed in the tropics and subtropics; it also occurs in greenhouses of temperate areas, is highly polyphagous [...] fliers and tend to remain in the shaded areas on the plant. The eggs are white and banana-shaped and are inserted singly in plant tissue by the females [...] red eyes. Larvae become yellowish after feeding. Mature larvae average 1 mm in length. Greenhouse thrips undergo two larval instars then moult to the prepupal

False spider mites

are a clear red colour and elliptical in shape. They are laid in a fold in the leaf or along the mid-vein, often in dense clusters of several hundreds. Damage [...] plant. In some crops, plants can become misshapen, presumably because the mites secrete a substance while feeding, that is poisonous to the plant. In places [...] spider mites Most false spider mites ( Tenuipalpidae ) are brick-red to yellow in colour. They have the same body shape as spider mites but are usually smaller

Antracnosis del haba

) causes foot rot in peas, whereas Ascochyta pisi does occur sometimes at the stem base but is not part of the foot rot syndrome in peas. Infected seeds [...] appearance of Pea blight, leaf and pod spot Ascochyta pisi hardly survives in the soil or on crop residues because of its poor saprophytic competitiveness [...] cultivo Damage symptoms How to prevent Pea blight, leaf and pod spot Grow peas in arid regions Use clean seed Use a minimum crop rotation of four years with

Oriental fruit moth

have frass-filled holes on the surface. On peach, the larvae destroy buds in spring and disrupt the growth of young shoots, causing them to wilt. Infested [...] wing span of 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 number of generations per year varies according to climatic conditions. In Europe, adults appear from March onwards. Eggs are laid singly on leaves and