• Thrips

  Several species of thrips are a major problem in greenhouse horticulture. The Western flower thrips ( Frankliniella occidentalis ) is the most damaging species [...] Thysanoptera, a name that literally means ‘fringed wings’, and refers to the eyelash-like fringe of hairs along both edges of the thin wings. There are more [...] presence in the crop. At a later stage, the empty cells become desiccated and the adjacent cells turn brown. The vigour of the plant is also reduced by loss

• Chrysopa-E

  conditions Chrysoperla carnea is effective in a wide temperature range including low temperatures (average > 12°C/54°F). It is most effective at 20-28°C (68-82°F) [...] range from 10-100 eggs per m 2 /release. Releases should be made preventively or in infested areas and repeated at weekly intervals until control is achieved [...] achieved. Consult a Koppert advisor or a recognized distributor of Koppert products for advice on the best strategy for your situation. Environmental conditions

• Natutec Mini-Airbug

  revolving dosing pot ensures a uniform release of carrier material containing natural enemies. The airflow from the fan guarantees a uniform distribution of [...] dosing pot and mixing pot The Mini-Airbug is also available for use on trolleys and is then delivered with a converter Volume of dosing pot/drum 1.5 litres [...] of this material up to a distance of at least 2 metres from the Mini-Airbug. Product components The Mini-Airbug consists of the following components: Blowing

• Impatiens thrips

  mostly been able to spread as a consequence of the trade in foliage plants. Impatiens thrips (Echinothrips americanus) has a wide range of hosts. In addition [...] This species of thrips is relatively large. Both males and females are dark brown to black in colour with orange pigmentation between the segments, and the [...] the plant is reduced by loss of chlorophyll. When infestations become serious the leaves themselves can shrivel. Echinothrips americanus is often found

• Cottony soft rot

  as cottony soft root, is a plant pathogenic fungus. It has a very wide range of host plants. Damage symptoms The first symptoms of a cottony soft root ( [...] temperatures between 4 and 26 °C with an optimum between 13 and 15 °C. Germination and infection mostly take place at high soil water content over a prolonged [...] seeds and tubers, thereby creating a source of infection for the next crop. The dispersal to neighbouring plants is by mycelial growth. How to prevent

• Rice

  the most popular staple food for a large part of the world population, especially in Asia. Rice is a monocotyledon and is usually cultivated as an annual [...] About Rice is actually the seed of two particular species of grass: Oryza sativa (Asian rice) or Oryza glaberrima (African rice). Rice is a serial grain [...] be grown as a perennial and can produce a ratoon crop for as long as 30 years. The edible seeds of the plant (caryopsis) are usually between 5-12 mm (0

• Faba bean

  are all different names for the Vicia faba , a flowering plant and species belonging to the vetch and pea family Fabaceae . The name ‘broad bean’ is commonly [...] consumption. The Vicia faba grows some 0.5–1.8 m tall and is a firm plant with sturdy stems of a square cross-section. The broad beans are broad, leather [...] leather like pods. They are green and usually mature to a blackish-brown with a densely downy skin. Nowadays, modern varieties specifically cultivated for food

• Disclaimer

  information contained on www.Koppert.com is without obligation and does not constitute a legally-binding offer to enter into a contract. Liability Whilst this website [...] download a part of the website onto your hard disc or distribute it to other parties provided that this is done purely for information purposes. If you are [...] include references (for example, by means of a hyperlink, banner, or button) to other sites concerned with a specific aspect of this website. This does not

• Mealybugs and scales

  of the plant, some species extract their nourishment from roots, whilst others are gall-formers. A few species can also transmit harmful viruses. Mealybugs [...] ornamental crops, the mere presence of mealybugs is sufficient to render the product unfit for sale. A very small population can thus cause considerable [...] fruit quality and overall yield. Effective control of mealybugs and scales is essential to maintain healthy and marketable crops. Biological control of

• Beetles

  species, Coleoptera is the largest of all insect orders and displays an enormous variety of form, size and habit. A number of species are a serious pest in [...] stored products. There are many useful beetles as well. For instance, ladybirds contribute to the control of aphids . Beetles undergo a complete metamorphosis [...] metamorphosis, that is, the larvae do not resemble the adult at all, and must pass through a pupal instar before reaching the adult stage. Larvae have biting