Privacy Statement

about the scope and purpose of such collection and processing of your data, please read the privacy statements of the providers whose services and/or content [...] computer and the banner will no longer appear as long as the cookie is active. After the end of the cookie’s service life or if you delete the cookie, the [...] each visitor, as well as a timeline that shows which pages the visitor has viewed and what the visitor has done on the page. By collecting this information

Koppert Foundation

agriculture and improvement of the health and availability of food and nutrition for those who need it most. Scope Koppert Foundation focuses on three domains: [...] established the Koppert Foundation on their 50 th anniversary in 2017. This Foundation aims to contribute to sustainable solutions for horticulture and agriculture [...] can find more information in English and Dutch on www.koppertfoundation.org . Do you need help with explanation and/or application? Please contact your

Onion thrips

prepupa, pupa, and finally the adult insect. The eggs of the onion thrips (Thrips tabaci) are laid in leaves, flower petals and in the soft parts of stalks [...] more developed wing buds and longer antennae that are curved back over the head. The prepupal and pupal instars do not feed and only move if disturbed. Damage [...] to plants by piercing the cells of the surface tissues and sucking out their contents, causing the surrounding tissue to die. The resulting silver-grey

Additives

Southern European marshland pyralid

Damage symptoms The caterpillars often stay in the lower strata of the crop, sometimes attacking the stem of the plant as well as the leaves. Late instar [...] plants, such as roses and gerbera, aquatic plants, vegetable crops such as celery, pepper and lettuce, and weeds. The secretive habit of the caterpillars of [...] of crowns and possibly stem collapse. The holes bored into the stem can facilitate infection by the fungus Botrytis cinerea. In gerbera, the flower buds

Disclaimer

hardware and software, viruses and other problems, and/or loss of time due to the use of this website. loss due to certain information on the website being [...] mean that Koppert is tied to, or the owner of, these other sites, and is therefore no responsible for these sites or the information contained thereon [...] data and other data may be stored in the form of cookies. Koppert reserves the right to store this data and to use it in its statistical data and on other

Broad mite

their eggs mainly on the underside of the leaf or on the fruit surface. The elongated, oval eggs are firmly attached to the surface and are rather large (about [...] 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 [...] tissue, like the growing tips, young leaves and flower buds. The mechanism causing the deformation is not yet fully understood, possibly the mites, whilst

Phytophthora blight

zoospores. The pathogen grows into the stem and on the plant surface and new sporangiophores (structures containing sporangia, a type of spores) with sporangia [...] from the root to the foot, but direct infection of the foot also occurs. Exudates leaking from growing root tips promote germination and attract the zoospores [...] is by wind and rain causes the pathogen to be returned to the soil from infected plants. Dispersal in the soil happens via water, since the zoospores can

Tomato russet mite

(torpedo-shaped), soft and segmented. The body appears to be divided into two parts: the head with the mouthparts, and the rest of the body. All mobile stages [...] they may snap. The fruit can also be affected, and when this happens in tomatoes, the skin becomes coarse and turns reddish brown and the fruit itself is [...] growth is most rapid and affected leaves dry out quickly. The damage is first seen on the lower part of the plant and moves upwards as the mites ascend. Life

Neoseiulus californicus

colour. In many cases the colour of the food ingested shines through the skin and shows up as an X-shaped marking on the back. If the food supply has been absent [...] persimilis in the complete absence of food, remaining in the crop to await the arrival of new prey. Life cycle of Neoseiulus californicus The developmental [...] al stages are the same as for other members of the Phytoseiidae family: egg, larva, proto- and deutonymph, and adult males and females. Adult mites are