• Consumers

  and diseases in a natural and sustainable way. In this way, we hope to make an active contribution to a sustainable society, with safe food in sufficient [...] predatory mites , ladybugs, and parasitic wasps are released to combat harmful insects, in the same way as they do in the wild. Koppert supplies various species [...] natural pollination? Vegetables such as tomatoes and sweet peppers are often propagated in greenhouses. By the time a delicious little tomato reaches your

• Glasshouse potato aphid

  appearance. Antennae are marked by a number of darker bands, and their length exceeds that of the body. The legs are also long, there are two distinctive dark [...] leaf margins. The immediate effects of piercing by the aphids are visible in lower leaves in the form of yellow patches. Heavy yellowing may even be followed [...] aphid manifests both anholocyclic (no eggs are laid) and holocyclic (winter eggs are produced) lifecycles. There is no alternation of hosts, and the two types

• Leaf miners

  species in this family, only eleven are truly polyphagous. The species that cause most damage all belong to the genus Liriomyza and are very common in temperate [...] into the leaves of plants, creating ‘mines’. There are many species of leaf miner affecting various crops in temperate parts of the world. Under natural [...] cosmetic damage. In (sub)tropical areas this can lead to burning in fruit such as tomato and melon. Loss of leaves also reduces yield. In full-grown plants

• Working at Koppert

  family company in which cooperation and respect for people and the environment is important. The company is developing fast, so we are keen to draw people [...] people who will play a role in its further growth. There is much room for personal input from colleagues. At Koppert we work together. Koppert employees [...] training company in many fields. To develop your career within the company, Koppert has developed an internal career policy. New vacancies are preferably filled

• Cottony cushion scale

  to have originated in Australia. It was accidentally introduced to California in about 1868 and devastated the citrus industry there until a natural enemy [...] world. It is also periodically discovered in greenhouses in temperate regions, but is not generally a pest in these situations. Damage symptoms Cottony [...] The 'females' are actually hermaphrodites with fertilization occurring between the eggs and the sperm of the same individual. Males are occasionally produced

• Beneficial microorganisms

  What are beneficial microorganisms? Beneficial microorganisms, also known as beneficial microbes, are microorganisms that provide positive effects to their [...] bacteria and viruses that naturally occur in environments such as soil, water, and air. These microorganisms are harnessed for pest control through applications [...] they are introduced to target pests, providing an eco-friendly alternative to chemical pesticides. Well-known examples of beneficial microbes are the fungi

• About Koppert

  environmental challenges are already out there: in nature itself. At Koppert, we explore, understand, and apply these natural solutions in partnership with nature

• Southern blight

  was first observed in tomato crops in Florida in 1892, and it has been regularly reported as causing rotting to the root and stem in tomato plants. Significant [...] observed. The fruiting bodies are asexual and there are no spores, forming dark brown or black sclerotia which are rounded, irregular, or compact. The sclerotia [...] structure resulting in longevity of more than five years in the soil, in a dry environment. Both the sclerotia and the mycelium are a source of inoculum

• Soybean

  inch) and contains two or four seeds that measure 5-11 mm in diameter. Soybean seeds vary greatly in size and the hull can be black or brown, but also blue [...] planting soybean plants, there is considerably more protein produced per acre than when planting other crops. Major producers of soybeans are Argentina, Brazil [...] and the United States. Soybeans are now an important global crop can be used as food crop, but also provide oil and are a major source of protein.

• Maize

  ears, which are fruit, producing kernels. These kernels are often incorrectly referred to as seeds. Maize kernels often serve as starch in cooking practices [...] maize was domesticated by the indigenous communities in Mexico and it still plays a main role in the preparation of Mexican food dishes. The leafy stalk [...] over the world. When it comes to numbers and volumes; there is more maize produced every year (in terms of weight) than of any other grain.