Pear psylla

Feeding later in the season may affect the harvest of the next year by weakening or killing fruit buds. Pear psyllas excrete large amounts of honeydew. Sooty [...] They have white, longitudinal stripes on the back of the thorax. Their forewings are clear with dark veins. The eggs are oval, approximately 0.3 mm long [...] stripes and blackish markings on the head and body. Pear psyllas overwinter as adults, sheltering on the bark of pear trees. The adults become active in spring

Grower Koen - Embracing biological crop protection in agriculture

alongside Koppert in the development and application of biological crop protection.| The future Koen's vision of the future of agriculture is hopeful. He believes [...] with Koppert The use of biological crop protection presented challenges, but Koen embraced the change and emphasizes that the effectiveness of products is [...] a conscious choice. Inheriting the farm from his parents, Koen had the opportunity to continue the business. While the trend towards organic farming was

Fusarium wilt

inside the vessel system of the host plant and spreads upwards inside the plants. The other species are dispersed upwards on the outside of the plant. [...] Fusarium oxysporum is the species causing vascular wilt. First the leaves turn yellow and wilt, mostly on one side of the plant. Finally, the whole plant wilts [...] brown discolouration of the xylem vessels which can be seen when the stems are cut. In banana, whole plantations may die and the soil may not be suitable

Spidex Vital lives up to its promises

explain the added value of the new product to the market in very clear terms. Just like its predecessor more than fifty years ago, Spidex Vital has the full [...] spider mite control. It changes the rules of the game and is even more in control of spider mites . And the grower reaps the benefits.’ [...] they lay their eggs earlier, the population develops more rapidly.’ A sense of calm on the farm The increased effectiveness of Spidex Vital is a major advantage

Early blight

occur at the side of the stem. Life cycle and appearance of Early blight From the primary infection of leaves, Alternaria solani can spread to the flowers [...] spores surviving in the soil are the main source of infection. Especially wheat and barley reduce the number of surviving conidia in the soil. Use resistant [...] infection of the leaves. Survival can be several years, up to eight years for several Alternaria spp. Typically, Alternaria causes early blight of potato

Leopard moth

Damage symptoms The presence of the caterpillars is indicated by the accumulation of frass and wood particles that comes out of the entry holes. And later [...] a silken cocoon. In early summer the pupae wriggles out of the gallery to the surface of the branch and the adults emerge. [...] by withering of leaves and die-back of shoots. Infested branches may die and young trees can be killed completely. Trees up to 15 year of age are preferably

False codling moth

fruit and drops to the ground where it pupates in the top layer of the soil. The moths emerge after a couple of weeks. The life cycle varies between 5 weeks [...] and brown as the damage tissue decays. The mature larvae enlarge the hole to leave the fruit and pupate. Excreta can be found within the larvae tunnels [...] moth Eggs are laid singly on the surface of the fruit and resemble a saucer-shaped dome. After a few days the eggs hatch and the neonate larvae finds a suitable

Target pests of beneficial nematodes in Potato & Outdoor Vegetables

12-2022 Part of the IPM toolbox Nematodes have become a powerful part of IPM solution, to either partly substitute, and sometimes replace the use of conventional [...] solutions. More than 35 years of experience Koppert started producing nematodes in 1986. Many years of experience have gone into the selection, breeding and [...] and quality control of these nematodes. Each of the entomopathogenic nematodes produced by Koppert has been selected to target specific pest insects and

Pine processionary moth

but also during the following summer because of the persistence of allergenic hairs in the remains of winter nests The larvae of the Pine processionary [...] reducing the viability of oak trees. Life cycle and appearance of Pine processionary moth The female moth has a wingspan of 36-49 mm; the wingspan of the male [...] enlarge until the fourth instar when the definitive winter nest is built. In general, this is situated at the branch tips in the upper part of the crown. At

Trianum-G Tool: dose your Trianum-G efficient and equal at the beginning of the growing season