• Consumers

  make an active contribution to a sustainable society, with safe food in sufficient quantities to feed a rapidly growing population. Producing our natural [...] therefore sells its products exclusively to professional growers and farmers. In order to provide you with the best possible service as a consumer, we have [...] protection is very simple: natural enemies such as predatory mites , ladybugs, and parasitic wasps are released to combat harmful insects, in the same way

• Adpro Shootin

  Shootin work? Adpro Shootin gives an improved and prolonged action of (biological and natural) insecticides, acaricides and fungicides except those with high [...] reaction such as Bordeaux mixture. Application of Adpro Shootin Shake the bottle gently before use Mix Adpro Shootin: 0.2-0.3ml per litre of spray solution [...] package at ambient room temperature. Shelf-life Adpro Shootin is stable for a period of 24 months from the manufacturing date.

• Black leg of seedlings

  for example by too much water, too high or low temperatures or sudden fluctuations in temperature. Pythium ultimum mostly occurs at low soil or water temperatures [...] fall over (‘ damping-off ’). In slightly older plants, the leaves lose their turgor or the leaf tips turn yellow, for example in flower bulbs. At first, the [...] Black leg of seedlings Pythium belongs to the Oomycetes, a separate group of microorganisms and is therefore not a real fungus. It survives as oospores,

• Fusarium wilt

  place as infection of the roots at the root tip or in small wounds, for example where lateral roots branch off from the tap root. How to prevent Fusarium [...] cycle, is similar to that of most Fusarium species. Fusarium overwinters for many years in the soil and on crop residues of infected plants as chlamydospores [...] Fusarium is a group of soil-borne fungi with many different species. Fusarium is widespread and can infect a range of host crops. Many species are considered

• Pierce's disease of grapevine

  the low number of bacteria in peach leaves slows down the spread both within this crop as well as from this crop to other crops. How to prevent Pierce's [...] Use hot water treatment of dormant cuttings (20 minutes at 50 °C or 180 minutes at 45 °C) Prune diseased branches or whole trees to remove inoculum sources [...] plant species are discovered as hosts. Xylella fastidiosa is best known in grapevine, stone fruit (peach and plum) and citrus, where it causes diseases such

• Damping-off

  for example by too much water, too high or low temperatures or sudden fluctuations in temperature. Pythium aphanidermatum mostly occurs at higher temperatures [...] damping-off disease. In slightly older plants, the leaves lose their turgor or the leaf tips turn yellow, for example in flower bulbs. At first, the plants [...] the Oomycetes, a separate group of microorganisms and is therefore not a real fungus. It survives as oospores, resting spores which are resistant to u

• Bacterial canker of tomato

  crop of the affected field and potatoes from other fields on the farm, are labelled as ‘suspect’ that year. On the infected field no potatoes or other [...] merge. The leaves wilt and curl upwards, often starting at one side of the plant. They turn brown but don’t fall off. On stems and shoots light stripes form [...] half of the season. The first symptoms are wilting of the lower leaves and subsequent expansion of the wilt upwards. Cutting the stem at the foot shows

• Phytophthora blight

  sp. infestans) is also known as Phytophthora blight, tomato blight, early / late blight tomato, potato blight and late / early blight of potato. Damage [...] They thrive at soil temperatures between 15 and 23 °C and higher water content than is optimal for crop growth. Phytophthora overwinters in roots, infected [...] infected tubers and bulbs or in the soil in different stages: as oospores (sexual overwintering spores), sporangia (special structures which can either germinate

• Privacy Statement

  form on the website or contact us directly at privacy(at)koppert.com . Address: Koppert Postbus 155 2650 AD Berkel en Rodenrijs Nederland Tel.: +31 (0) [...] shows all the personal data collected for each visitor, as well as a timeline that shows which pages the visitor has viewed and what the visitor has done [...] computer and the banner will no longer appear as long as the cookie is active. After the end of the cookie’s service life or if you delete the cookie, the

• Root and crown rot of strawberry

  Netherlands, and Pestalotiopsis longisetula in the case of leaf spots, such as leaf spot of strawberry and fruit rot reported mainly from Brazil. The genus is [...] to prevent Root and crown rot of strawberry Avoid stress: Take runner tips at the right stage to avoid stress and make plants less susceptible Avoid extreme [...] New diseases in strawberry have been ascribed to Pestalotiopsis clavispora in the case of root and crown rot (of strawberry), first found in The Netherlands