• Mirical

  they extract the contents of their prey, leaving the empty skin behind in its original form. Pack size 500 adults and nymphs. Presentation 100 ml bottle [...] clean, dry rock wool slabs, in Diboxes or on leaves. Make sure the material is not disturbed for at least a few hours Introduce in clusters of at least 50

• Bacterial wilt, brown rot

  vascular stem tissue is coloured brown and when the stem is cut, bacterial slime oozes from the wound. This is the way to distinguish it from Verticillium [...] General Ralstonia solanacearum is a plant pathogenic bacterium. It is a soil-borne disease and colonises the xylem, causing bacterial wilt and brown rot [...] rot Ralstonia solanacearum is a quarantine organism in Europe and considered a bioterrorist organism in the United States. It is a commonly found soil-inhabitant

• 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 [...] belongs to the Oomycetes, a separate group of microorganisms and is therefore not a real fungus. It survives as oospores, resting spores which are resistant to [...] irrigation water. Pythium aphanidermatum mostly occurs in young plants and damage is more extensive in young crops. Damage symptoms Pythium affects roots, in

• False codling moth

  Thaumatotibia leucotreta ) is native to sub-Saharan Africa and is found in all citrus production areas in Southern Africa. It also occurs on some of the [...] a leucotreta . The reason for this pest’s high pest status is its quarantine status and is not due to the economic losses. Damage and symptoms Larval [...] the fruit. Once the final instar (fifth) is ready to pupate, it exist the fruit and drops to the ground where it pupates in the top layer of the soil. The

• Bacterial soft rot, bacterial stem rot

  subsp. carotovora has recently been renamed Pectobacterium carotovora . It is one of the pectolytic bacteria causing extensive bacterial rots (bacterial [...] carotovora or Pectobacterium carovora is very common, but does not often reach epidemic population densities. It can survive as epiphytic bacteria on various [...] Pectobacterium carovora causes bacterial stem rot as well as soft rot. Stem rot is first noticed when plants wilt at the time of first harvest or after that

• Botrytis

  mould ( Botryotinia fuckeliana / Botrytis cinerea ) is a commonly found fungus in many environments. It survives in plant parts like bulbs and crop residues [...] Grey mould ( Botryotinia fuckeliana / Botrytis cinerea ) is a necrotrophic fungus, meaning that it excretes compounds that kill the plant cells and then uses [...] storage. In lettuce, grey mould ( Botryotinia fuckeliana / Botrytis cinerea ) is part of the foot rot complex, which causes rotting of the foot and may cause

• 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 [...] temperature occur between species, but in general the risk of Alternaria infection is larger under quite warm and humid conditions. Infection may take place within [...] rapidly as two to three days later and sporulation within five days. Infection is both direct and through wounds and stomata. Spores are dispersed by wind and

• Spinach

  oleracea ) is an edible flowering plant of the Amarantha family that originates in Asia. It is consumed as vegetable and is rich in iron. It is grown as [...] height of about 30 cm. It is eaten fresh, steamed or boiled and has a high nutritional value. Recommended for you How Koppert Kenya is Empowering Small-holder

• Diglyphus isaea

  Diglyphus isaea is a small parasitic wasp belonging to the family Eulophidae within the order Hymenoptera . It is widely recognized for its role as a biological [...] Larval stage: When the parasitic wasp larva hatches, it remains beside its host, punctures it and sucks it empty from the outside, as a result of which the leaf [...] made by the larva from its faeces. This is probably done to prevent the leaf collapsing should it dry out. At first, the pupa is green with red eyes su

• Beneficial microorganisms

  bacterium Bacillus thuringiensis . Beneficial microorganisms for pest control How it works Infection and colonization: Beneficial microorganisms start by infecting [...] succumbs to the fungal infection, the fungus continues to grow. Eventually, it produces more spores, which can be released into the environment to infect