• Glume blotch

  is more efficient so the disease will spread faster Prevent plant diseases by optimizing plant potential and crop resilience. [...] transmission is also possible. The germ tubes can infect the leaves of the plants directly or through stomata. The lesions become visible after five to seven

• Early blight

  conducive to infection. In greenhouses: avoid high RH. Prevent plant diseases by optimizing plant potential and crop resilience. [...] rain. How to prevent Early blight Remove crop residues, weeds and volunteer plants. Use clean seed and propagation materials. Practice crop rotation, in particular

• Black bean aphid

  the transmission of plant viruses. Infestations start usually at the younger parts of the plant but can spread all over the plant. Nymphs and adults extract [...] extract nutrients from the plant and disturb the balance of growth hormones. As a result, the plant’s growth is retarded giving rise to deformed leaves [...] early enough in the season, the death of young plants. Retarded growth and defoliation reduce yield. Plant sap is rich in sugars, but has a low protein content

• Sciarid flies

  generally do little harm to healthy plants, sciarid flies are particularly problematic in cuttings and other young growing plant material. Damage symptoms The [...] diseased to healthy plants. Direct damage is the immediate result of larvae feeding on the roots. The larvae feed mainly on decaying plant material and on [...] pathogenic fungi. Because the larvae move very little, plant death is generally local. Young plants that are kept humid and well-watered are particularly

• Two-spotted spider mite

  squash and gourd Herbs Buxus Bedding plants Cress Conifer Green potted plants Tomato Strawberry Flowering potted plants Cucumber Raspberry Grapes Chrysanthemum [...] mite damage Larvae, nymphs and adults cause damage to the host plant by feeding on plant sap. They mainly occur on the underside of leaves where they pierce [...] reduced plant growth. As damage increases, whole leaves turn yellow, and as more cell sap is removed, the leaf, and eventually the whole plant, may die

• Greenhouse whitefly

  sap from the plant leaves and secreting honeydew. This can have the following consequences: If the population is very large, feeding on plant sap can affect [...] found in the top of the plant and on the underside of young leaves, where they deposit their eggs. When shaking infested plants, adults will first fly, [...] tropical and subtropical America, probably Brazil or Mexico. Hundreds of plant species from different families serve as suitable hosts for this whitefly

• Oleander aphid

  principal host plant, oleander. Damage symptoms The colonies of bright yellow aphids can easily be seen on the shoots of the host plants. The damage caused [...] called the milkweed aphid, is a common pest of several important ornamental plants in the families Apocynaceae and Asclepiadaceae. It is commonly found feeding [...] deformed. Repeated heavy infestation throughout the year can lead to stunted plant growth. Life cycle and appearance of Oleander aphid The oleander aphid is

• Mottled arum aphid

  greatly reduce plant vigour and kill the plant through sucking of plant sap. However, also at lower densities the aphids can damage plants because they produce [...] and also result in an unattractive plant with a much lower market value. Neomyzus circumflexus can also transmit plant viruses. Life cycle and appearance

• Cerall: 100% Biological Seed Treatment Against Fungal Diseases

  July 26, 2024

  Bacteria & Plant The beauty of the Pseudomonas chlororaphis MA342 bacteria is that they encourage interaction with the plant. They cause the plant to start [...] no fewer than 400 bacterial strains from the roots of wild and cultivated plants. They then screened these strains for their activity against the common [...] in turn also prevent the pathogens from successfully infecting the young plant. In addition to their ability to fight diseases, the bacteria in Cerall also

• False spider mites

  leaf blade. The damage often leads to premature ageing of the plant. In some crops, plants can become misshapen, presumably because the mites secrete a [...] Tenuipalpidae have a worldwide distribution and can be found on many cultivated plants. Several species have been reported, especially by growers of greenhouse [...] flat compared to other mites. Most species that cause damage to cultivated plants belong to the genera Brevipalpus and Tenuipalpus . The most common species