Pierce's disease of grapevine

increases the risk of infection in cultivated crops. The spread from one host plant species to another is still under investigation and seems to depend on the location [...] General Xylella fastidiosa is a gram-negative bacterium which is limited to xylem tissue. It has many hosts, many of which show minor or no symptoms. More [...] Recently, it is becoming more problematic in olive. Damage symptoms Grapevines: Primary infection of leaves results in leaf scorch. Part of a green leaf

Broad mite

attack of broad mite ( Polyphagotarsonemus latus ), is the appearance of dark brown edges at the base of young leaves. In case of a mild infestation, one [...] family of tarsonemids ( Tarsonemidae ) display a greater diversity of feeding habits than any other mite family. There are species that feed on fungi, [...] caused by viruses. The typical pattern of damage consists of malformation and distortion of the above-ground growth of the plant. The mites show a preference

Tree specialist Wolterinck: Control of oak processionary caterpillar with Entonem

second spraying may be needed, either of nematodes or of nematodes plus Bacillus thuringiensis -based products. ‘That is effective around ten days in and if [...] Wolterinck BV in Beltrum, the Netherlands, is a specialist in tree care and weed control and works on behalf of local authorities and governmental bodies [...] the effect of Koppert’s nematode product Entonem on the oak processionary caterpillar . ‘We’ve been using nematodes for years. The product is our preferred

Protected vegetables

Emphasizing Sustainability One of the fundamental principles of IPM is its commitment to sustainability. By reducing the reliance on chemical pesticides, IPM [...] season, with a focus on early detection. Early identification of pests and diseases allows for timely intervention, reducing the risk of widespread infestations [...] Finder Benefits of IPM in vegetable cultivation Reduced chemical dependency: IPM reduces the need for chemical pesticides, minimizing the risk of harmful residues

Pea leaf miner

the harvest is affected. The size of a leaf tunnel depends on the stage of development of the leaf, the species of host plant and the species of leaf miner [...] mines appear on a leaf, a large ‘plate-mine’ may be formed. These are mostly located at the base of the leaf. Life cycle and appearance of Pea leaf miner [...] larvae remain hanging on the leaf and pupate there, sometimes on the upper surface but more commonly on the underside. The late third instar larva, that

Black vine weevil

damage is caused by the feeding of the larvae on the roots. After the roots have been destroyed the larvae move into corms, rhizomes and stem bases of plants [...] long. Outdoors there is a single generation each year. A population of black vine weevils consists entirely of females and reproduction is by parthenogenesis [...] within the stems of the plants. Both adult beetles and larvae are polyphagous and feed on a large number of plant species. High populations of larvae can destroy

Bean seed fly

flies lay eggs near the base of bean plants, and upon hatching, the larvae burrow into the soil and feed on the seeds and roots of young plants. Larvae mainly [...] bean seed fly larvae feed on seeds and can cause significant damage. Presence of larvae: Small, white maggots near the base of affected bean plants. These [...] larvae, on the other hand, are small white maggots that can be found near the base of affected bean plants. You can recognise if your crop is affected

Onion fly

be visible. But there are a few symptoms to watch out for. The wilting or yellowing of onion leaves is one of the most obvious signs of onion fly damage [...] the young leaves, necks of onion seedlings or in the soil close to the base of onion plants. The onion fly larvae that emerge from the eggs tunnel into the [...] antiqua ) infestations. Steinernema feltiae is a beneficial nematode species that is effective natural enemy of onion fly larvae. These nematodes are applied

Fit roots for plant health Technical bulletin 2020 EN

passively; there are still several theories for both mechanisms. But whatever theory applies, it is always beneficial if there is sufficient refreshment of the [...] energy balance Evaporation is by far the most effective cooling mechanism of the plant. That is why the functioning of the roots is directly related to the [...] right type of substrate/slabs supports the water balance of the plant to prevent water stress. Advanced computerized process control, based on sensors and

Treatment of bumblebee stings and allergies

medical treatment of allergic reactions is available from Koppert on request. For further information, contact an allergologist or a doctor of internal medicine [...] Treatment of bumblebee stings and allergies This information on bumblebee stings provides guidance for reducing the chance of being stung by a bumblebee [...] stinger, as is the case with honeybees and wasps. Drones cannot sting. The stinger is a weapon for defence. When a bee stings, some venom is injected into