Grape downy mildew

Plasmopara viticola is a plant pathogen causing downy mildew in grapes. P. viticola occurs in nearly all grape-growing regions worldwide. Damage symptons [...] 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 [...] pressure varies significantly with weather. Rigorous management is essential in wet climates and during unusually wet seasons in typically dry areas. Most grape

FAQ Nematodes

stored in a ventilated refrigerator until the expiry date. For long storage, it is recommended to avoid stacking up the packs in order to maintain a good [...] reach their host. Once in contact with a host, they try to penetrate it through a body opening. In the host, the nematodes release a bacterium that can kill [...] carrier material allows a good solubility and a long shelf life for a living product. Is the carrier material harmful to humans? No, it is biodegradable and

Trial_and_Field_results_nematodes_in_fruit_orchards_EN_-_Koppert.pdf

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 the treatment [...] Michel explains. ‘It’s easy to dilute in this way.’ Michel says it is easy to apply if the ground is already wet. He waits until it rains. ‘I then apply [...] formulation is 100% biodegradable. It’s a natural, living solution with a long shelf life in the fridge,’ Michel concludes. ‘Yes, I would recommend it to anyone

Black tea thrips

Heliothrips haemorrhoidalis , is widely distributed in the tropics and subtropics; it also occurs in greenhouses of temperate areas, is highly polyphagous, and [...] greenhouse thrips is parthenogenic, it reproduces without mating, and males are rare. The adults are poor fliers and tend to remain in the shaded areas [...] areas on the plant. The eggs are white and banana-shaped and are inserted singly in plant tissue by the females. The early larval stage is whitish with red

Oriental fruit moth

The cocoon is a protective covering for the full-grown larva and pupa. It is made of silken threads and particles of the objects on which it rests. The [...] full-grown larva has a length of approximately 12 mm, and is pink to almost red. The head and the anal plate are brown. They have a black anal fork (anal [...] weeks and pupate in a white cocoon spun on the surface of the host plant or under bark. The adults emerge after 1-2 weeks. There are up to five generations

Apple scab

infection of new plant parts and spore production. In autumn, the fungus produces new pseudothecia in leaves that have already fallen off the trees. In response [...] mechanism is to produce corky rings around the lesions to prevent further invasion of tissue by the fungus. Late fruit infection only results in small dark [...] 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

Moscas

moist substrates that is rich in organic matter. Although they cause little direct damage to plants, they are often a problem due to their large number. [...] species Fly control videos Take a look at the video or go to our Youtube channel to see our fly control products in action. How to get rid of flies The latest [...] pest on soft 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

Codling 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. Damage [...] developing embryo is visible as a red ring. The larvae are up to 20 mm long, initially whitish and later pale pinkish white, with a brown head and a pale anal [...] 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.

Antracnosis del haba

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 [...] sunken and surrounded by a dark brown to red-brown border. The first infection is often on the primary leaves. The fungus is seed borne and thus also causes [...] ) 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

False spider mites

showing a net-like pattern. The eggs 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 [...] of the plant. In some crops, plants can become misshapen, presumably because the mites secrete a substance while feeding, that is poisonous to the plant [...] mites because their body is rather flat compared to other mites. Most species that cause damage to cultivated plants belong to the genera Brevipalpus and