• Oak processionary moth

  adults have grey forewings with white and darker grey markings and a wingspan of ca. 30 mm. The adults emerge and fly between the end of July and mid September [...] which can be actively released in the air when the larvae are disturbed. After moulting, the previous stage's hairs remain on the exuvia, but can become [...] to both human and animal health because they shed poisonous hairs, which can result in severe allergic reactions, amongst other health problems (see above)

• Two-spotted spider mite control in hardy nursery stock grown in polytunnels

  July 20, 2021

  TSSM-susceptible crop is overlooked, and it makes Spidex Vital ® application far more efficient.” Spidex Boost provides a solution for TSSM control in tall [...] protection of tall open canopies we like to use the Spidex Boost® sachets, which can be attached from the plant’s petiole using the sachet’s hook. Once in position [...] and supported by a sound pest monitoring system. For more information on how to implement a successful biological control programme against spider mites

• Tobacco whitefly

  leaf all different developmental stages can be found together. When shaking infested plants, adults will first fly, then return to the underside of the leaves [...] and secreting honeydew. This can have the following consequences: If the population is very large, feeding on plant sap can affect the physiology of the [...] result of which growth is retarded. In full sunlight, leaves can wilt and fall. Such leaf damage can in turn influence the development of fruit and lead to a

• Two-spotted spider mite

  mite”. The spots can vary in both form and size. The red eyes can be seen in all stages. Recognize two-spotted spider mite Spider mites can be identified [...] as 30% damage of the leaf surface can lead to loss of the crop. The nymphs and adults also produce webs, and plants can get completely covered with such [...] infested area. Damage: Spider mites can cause damage to leaves by piercing the plant cells and sucking out the contents. This can result in yellowing, speckling

• Cottony soft rot

  water-soaked lesions at the stem base. The plant above it wilts and rots. White, fluffy fungal mycelium grows on the lesions, giving this disease its name [...] name cottony soft rot. In the mycelium, big, dark sclerotia are formed. They can easily be seen with the naked eye and look like rat droppings. The symptoms [...] inside the plant and kills the host cells. On the infected plant tissue white, fluffy mycelium occurs with new dark sclerotia. The fungus also infects

• Foot rot of cereals

  damping off. This can result in seedling death and poor establishment. Surviving seedlings may develop a brown lesion around soil level. This can develop into [...] symptoms become less visible. At harvest, ear blight can result in shrivelled grains with a chalky white or pink appearance, although this is not always the [...] into foot and root rot. Symptomless infections can also occur. Foot rot becomes obvious from late stem extension onwards. It results in dark-brown staining

• Caterpillars

  monitor pest activity and reduce flying populations. With Koppert’s biological solutions for caterpillars, professional growers can protect their crops effectively [...] the butterfly species that are active during the day can be strikingly colourful while moth flying at night are usually inconspicuously brownish are greyish [...] damage Caterpillars can cause serious economic damage. Most species feed on leaves and young shoots, and their enormous feeding capacity can rapidly decimate

• Bacterial canker of tomato

  potatoes or other Solaneceaous crops can be planted for five years. On other fields on the same farm, no seed potatoes can be grown for one year after infection [...] blocked. The bacterium can survive some time in crop residues like volunteer tubers and potato crop residues. Infected tubers can infect healthy tubers [...] the plants in the infected area, with a substantial buffer zone. Replanting can only take place after thorough disinfection has been proven to the authorities

• Crucial information on pollination at high temperatures

  August 10, 2020

  are you clear on how hot climate conditions impact on both the pollinator and the plant, and the interactions between them? Koppert’s White Paper on Plan [...] that can affect yield and quality. Management of temperature, humidity, and radiation is therefore essential for both plant and pollinator. The White Paper [...] Huvermann, Product Manager Pollination at Koppert Biological Systems. The White Paper written on this subject in collaboration with horticultural consultant

• World Food Day 2020

  October 16, 2020

  food with dwindling resources. The enduring topical question we face: "How can we achieve food security for a growing global population while trying to [...] diseases such as Pythium, Fusarium and Rhizoctonia, and pests such as white fly. Trianum is a product based on the fungus Trichoderma harzianum T22 that [...] achieved in a biological way, both microbiologically and macrobiologically, can really contribute to solving the problems we face in agriculture and horticulture