• Producing Koppert’s ‘little heroes’ – nematodes for pest control

  September 5, 2019

  parameters follow the normal pattern. Each nematode species has its own specific medium in which it develops best. A solution of the medium is made in a flask [...] market! How does it work? After application the nematodes search for their prey. Once they have found a host insect, they penetrate through its natural body [...] work in so many crops, grown either indoor or outdoor. High-tech production It all starts in the microbiology laboratories at Koppert headquarters in the

• Root rot of carrot

  black. The spots appear to be sharply defined, but under a magnifying glass it appears that the infected area radiates into the healthy tissue. The spots [...] carotae has delicate, simple morphological features hence is not easy to place it at the generic level. Årsvoll was the first to identify and describe the fungus

• Black rot of carrots

  General The only known stage in all Alternaria species is the asexual stage. Conidia and mycelium overwinter in the soil and on crop residues and cause primary infection of the leaves. Survival can be

• Pepino mosaic virus

  ion, where: A mild virus strain occupies the plant It prevents infection by more severe strains It reduces symptom severity and economic damage How V10 [...] significant viral diseases in greenhouse tomato production worldwide. Due to its rapid spread and impact on fruit quality, effective prevention and management [...] PepMV is a highly contagious plant virus that primarily affects tomato crops. It spreads easily through mechanical contact, making greenhouse environments

• Early blight

  General The only known stage in all Alternaria species is the asexual stage. Conidia and mycelium overwinter in the soil and on crop residues and cause primary infection of the leaves. Survival can be

• Damping-off

  General Pythium is considered a ‘weak pathogen’, meaning that it can usually only affect plants that are in a sub-optimal condition or suffer from stress [...] Oomycetes, a separate group of microorganisms and is therefore not a real fungus. It survives as oospores, resting spores which are resistant to unfavourable

• Southern blight

  rolfsii) . It is an important plant pathogen that inhabits the soil, and is responsible for root and stem rot, wilting and damping-off of seedlings. It has a [...] followed by periods of drought predominate. It was first observed in tomato crops in Florida in 1892, and it has been regularly reported as causing rotting [...] the production of vigorous mycelium. When the mycelium is young it is white; later it darkens. There are many sclerotia. They are round and their diameter

• Grey mould

  fuckeliana / Botrytis cinerea ) is a commonly found fungus in many environments. It survives in plant parts like bulbs and crop residues or as sclerotia (drought- [...] Botryotinia fuckeliana / Botrytis cinerea ) is a necrotrophic fungus, meaning that it excretes compounds that kill the plant cells and then uses the content of [...] inoculum Extra Silicon and/or Calcium nutrition hardens the cell walls and makes it harder for the fungi to enter the leaves Prevent plant diseases by optimizing

• Cactus mealybug

  succulents. It was first described in England but its origin is not clear. It is now found on many greenhouse-grown succulents around the world as it was probably

• Horse-chestnut leaf miner

  Albania and Macedonia. It was first observed attacking ornamental horse-chestnut trees in Macedonia in the 1970s, from where it spread to most of Europe