• Leek moth

  inside the hollow leaves, forming white windows closed by the epidermis. When feeding takes place at the base of the hollow flower stalk, this can be broken [...] grey-brown with a typical white triangle in the middle of the posterior edge of the forewings. The hindwings are uniformly grey. The moth are active at night and [...] and rest during the day. Development time is temperature dependent. At 25°C, eggs hatch after 3-4 days. Larval development takes 2 weeks, pupal development

• Crop Protection

  beneficial nematodes and beneficial microorganisms act as natural enemies, controlling pests such as whiteflies, thrips , aphids , and caterpillars . These [...] reliable harvests. It is essential in agriculture and horticulture for achieving healthy, high-yielding crops. At Koppert, we provide biological crop protection [...] harmful fungi and soil-borne pathogens. Microbial products such as beneficial fungi and bacteria strengthen plant defenses, suppress diseases, and improve root

• Bacterial wilt, brown rot

  moisture is high, such as during rainy periods. When temperature is low, infection may remain latent until conditions are more favourable. This makes it more [...] Disinfect cutting knives and tools Control root rot nematodes as the wounds they make on roots help the bacteria to infect the crop Do not use cut potatoes [...] solanacearum is a plant pathogenic bacterium. It is a soil-borne disease and colonises the xylem, causing bacterial wilt and brown rot in a very wide range

• Optimal placement of bumblebee hives

  seasons, it is advisable to position the hives at a height of 20 – 60 cm above the ground on the south side of the path. This location ensures that the hives [...] sunlight, typically on the north side. If needed, the hives can be placed higher inside the crop, at a minimum height of 1.4 meters above the ground, particularly [...] Protection of the hive To maintain hive efficiency, it is crucial to shield the hives from adverse weather conditions, such as condensation and rainwater

• Strawberry aphid

  generations of females. The strawberry aphids overwinter as parthenogenetic forms. There is no sexual stage and no eggs are laid. Adult wingless females of Chaetosiphon [...] General The strawberry aphid, Chaetosiphon fragaefolii , has a cosmopolitan distribution and is the most important aphid pest of strawberries. It can cause [...] cause direct damage by feeding and transmits viruses. Damage symptoms Chaetosiphon fragaefolii is one of the most serious pests affecting strawberry plants

• Sciarid flies

  Indirect damage is caused by the larvae and adults transferring fungal diseases, such as Fusarium, Botrytis and Verticillium, from diseased to healthy plants [...] fungi. Because the larvae move very little, plant death is generally local. Young plants that are kept humid and well-watered are particularly at risk. Life [...] fly has a small head equipped with sucking mouth parts, but they hardly feed at all during their short life. The males are usually smaller than the females

• Flies

  hairs and tender roots as well as stem and leaf tissue and fruits. The lesions caused by feeding larvae provide invasion routes for various pathogenic fungi [...] retarded. Fly control videos Take a look at the video or go to our Youtube channel to see our fly control products in action. [...] Biological control of flies Flies are a common pest problem in greenhouse and field crops, where they disturb plant growth, spread diseases and affect crop hygiene

• Potato aphid

  from the plant and disturb the balance of growth hormones. As a result, the plant’s growth is retarded giving rise to deformed leaves or, if the infestation [...] grow on this honeydew, contaminating fruit and ornamental crops and rendering them unsuitable for market. At the same time, photosynthesis in the leaves [...] adults and a great variety in colour. When reproduction is asexual, the young aphids are born as developed nymphs. They immediately start to feed on plant

• Boisduval scale

  species of Diaspi s are very similar in their appearance and damage symptoms. Here, the Boisduval scale is described in more detail, as it is the most important [...] necrosis of tissue at the feeding site. In orchids, this scale tends to prefer the leaf midrib and the portion of the petiole that is covered by the sheath [...] important one. The Boisduval scale, Diaspis boisduvalii , occurs throughout the tropics, and in greenhouses in more temperate climates. It is very polyphagous

• Disclaimer

  Insofar as permitted by law, Koppert (including its associated companies, company officers, and employees) hereby excludes any liability for: any loss of [...] sites or the information contained thereon. Koppert reserves the exclusive right to amend the content or remove parts thereof at any time without the requirement [...] distribute it to other parties provided that this is done purely for information purposes. If you are given permission to publish an image, then the publication