• Damping-off

  January 1, 1970

  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 [...] aphanidermatum mostly occurs in young plants and damage is more extensive in young crops. Damage symptoms Pythium affects roots, in particular those of seedlings [...] substrate the plant turns brown. A typical symptom of a Pythium infection is the easy stripping of the skin from the root cortex with a finger nail. Life cycle

• Oleander aphid

  January 1, 1970

  , sometimes also called the milkweed aphid, is a common pest of several important ornamental plants in the families Apocynaceae and Asclepiadaceae. It [...] is cosmopolitan, and can be found in tropical to warm temperate regions throughout the world. It probably originated in the Mediterranean region, the origin [...] sticky honeydew produced and the resulting black sooty mould that grows on the honeydew. Growing tips can be deformed. Repeated heavy infestation throughout

• Pierce's disease of grapevine

  January 1, 1970

  depends on the plant species: in peach, bacteria are found in high numbers in the roots, whereas in plum, high numbers are found in leaves and fruits. The bacteria [...] die. This happens faster in younger vines than in older ones and faster in susceptible cultivars (within 2-3 years) than in more tolerant cultivars, which [...] and fruit set in peach does not occur in citrus, there is no difference between infected and healthy trees. Normal fruit abortion does not happen so total

• Powdery mildew

  January 1, 1970

  especially in greenhouse crops they don’t play a role in the epidemics. Fungal spores germinate on the leaf surface and the germ tubes grow and branch [...] colonies mostly occur in these crops. In covered roses, the colonies appear first and foremost on the upper side of the leaves. In most crops, the white [...] mildew. Only in pepper, infection (by Leveillula taurica ) is through the stomata and the fungus grows inside the leaf. Later, the conidiophores in this case

• Biological Pest Control

  January 1, 1970

  infestations in a greenhouse. Augmentative biological control can provide rapid results and is particularly useful when natural enemies are insufficient in the [...] populations in check. This approach not only reduces the environmental impact but also minimizes the risk of pesticide resistance, making it a sustainable [...] products, the demand for biological pest control methods is likely to grow, making it a forward-looking choice for agriculture and pest management. Learn more

• Southern blight

  January 1, 1970

  can germinate in two forms, hyphal or eruptive, causing infection in the plants. The sclerotia can survive in the soil for a minimum of a year. The telemorphic [...] or compact. The sclerotia have a resistance structure resulting in longevity of more than five years in the soil, in a dry environment. Both the sclerotia [...] 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

• Horiver Wetstick

  January 1, 1970

  max. 30 cm above the crop and adjust height when plants are growing Do not place traps in-between the plants as parasitic wasps will then also be trapped [...] Best before date. Storage temperature 0-32°C/32-104°F. Storage conditions In a cool, dry place. [...] Insect pests are attracted to the colour of the sticky trap and get caught in the glue. Presentation Polysterene cards coated with wet sticky glue. Available

• Cottony cushion scale

  January 1, 1970

  discovered in greenhouses in temperate regions, but is not generally a pest in these situations. Damage symptoms Cottony cushion scale is a particular [...] have originated in Australia. It was accidentally introduced to California in about 1868 and devastated the citrus industry there until a natural enemy from [...] from the body. On reaching maturity, the ‘female’ produces a white, fluted, wax ovisac with a series of uniform ridges running lengthwise over the surface

• Western flower thrips

  January 1, 1970

  occidentalis) are laid in leaves, flower petals and in the soft parts of stalks. They are inserted into the plant tissue with a saw-like ovipositor. Larvae [...] (Frankliniella occidentalis) usually pupate in the ground, although pupae can also be found on leaves, in flowers or in other sheltered places. The prepupal and [...] most damaging thrips species in many greenhouse crops. The western flower thrips (Frankliniella occidentalis) can be found on a wide variety of plants, including

• Millet

  January 1, 1970

  conditions. Millets has incredibly rich composition of nutrients. Millets play a role in preventing and curing several health issues. The most commonly cultivated [...] crop and has been cultivated from pre-historic period. Millets are important in semiarid tropics of Asia. Most of the millets are of short duration taking