• Gummy stem blight

  drops, tools and hands of workers. The ascospores are the main source of dispersal of disease upwards in the crop and the conidia for spread of the disease [...] bryoniae) is a fungal plant pathogen that causes gummy stem blight. Damage symptoms Mycosphaerella cucumis in cucumber causes brown lesions on the foot and higher [...] narrowing of the tip of the mature fruits. The symptoms on stems, leaves and inside the fruits may occur together or individually. Life cycle and appearance

• Feltiella acarisuga

  their crops and identifying the presence of eggs, larvae, pupae, and adults of Feltiella acarisuga , growers can gauge the effectiveness of this biocontrol [...] acarisuga is a good control agent. The adults are not predatory and only need water and sugar. Life cycle of Feltiella acarisuga Growers can distinguish [...] diameter of spider mite eggs and almost banana shaped. Larval Stage : The colour of the larva is usually orange but can vary according to the colour of prey

• Bacterial wilt, brown rot

  is a plant pathogenic bacterium. It is a soil-borne disease and colonises the xylem, causing bacterial wilt and brown rot in a very wide range of potential [...] wilts. Life cycle and appearance of Bacterial wilt, brown rot Ralstonia solanacearum is a quarantine organism in Europe and considered a bioterrorist organism [...] Damage symptoms In potato, field symptoms of Ralstonia solanacearum are wilting and yellowing of leaves and stunted plants. Inside, vascular browning is

• Pear rust mite

  quality and can downgrade a premium crop to processing grades. AI-generated visualization of Pear Rust Mite (Epitrimerus pyri). Damage symptoms of pear rust [...] populations cause negligible stress, heavy infestations under warm, dry weather favours population growth and can lead to severe fruit russeting and leaf bronzing [...] dry conditions (above 20°C and below 60% relative humidity) and spread to leaves and developing fruit, where their feeding causes the characteristic russeting

• Bacterial spot

  vesicatoria is a bacterium that causes bacterial leaf spot on peppers and tomatoes. Damage symptoms Xanthomonas vesicatoria in tomato causes small, water-soaked [...] volunteer plants and crop debris Avoid waste piles in the vicinity of the greenhouse or field Resistant cultivars of pepper are available and should be used [...] These spots may be surrounded by a halo. In pepper, the spots on the leaves are also round and small to start with and slightly raised from the leaf surface

• Outdoor crops pollination advice

  placement of bumblebees hives here. Coexistence of bumblebees and honeybees Bumblebees and honeybees can work together to enhance pollination. You can release [...] release both types of bees into the same crops. However, maintain a minimum distance of 100 meters between bumblebee and honeybee hives, keeping the honeybees [...] visible to both humans and bumblebees during the flowering period. You can achieve this by placing the hive on a crate or stack of stones. Additionally,

• Leek moth

  ca 10 mm with a brown head capsule and . a yellowish-white body. Pupation takes place in a 10-mm-long, cream-coloured, silk cocoon made of characteristic [...] Male and female moth are 8-9 mm long, with a wing span of 15-16 mm. Their general colour is grey-brown with a typical white triangle in the middle of the [...] countries and has been introduced to parts of Canada. The larvae of Acrolepiopsis assectella feed on cultivated Allium species, primarily leek and onion,

• Damping-off

  roots rot and very little of the root system survives. On the border between air and soil or substrate the plant turns brown. A typical symptom of a Pythium [...] stripping of the skin from the root cortex with a finger nail. Life cycle and appearance of Damping-off Pythium belongs to the Oomycetes, a separate group [...] considered a ‘weak pathogen’, meaning that it can usually only affect plants that are in a sub-optimal condition or suffer from stress, caused for example

• Box tree moth

  include webbing of the branches with frass and residues of moulting such as black head capsules of different sizes. Life cycle and appearance of Box tree moth [...] trees, but can also attack the bark of the trees, causing them to dry out and die. Damage on a box-tree most often starts in the lower part, where the oldest [...] end of pupation. There are two variants of adults. The most common one is mostly iridescent white with a dark brown band at the outer margin and a cha

• Glume blotch

  pycnidia and perithecia occur. Perithecia are also formed on dead glumes and stems. In case of severe infection , the heads of wheat become black and the kernels [...] ospora nodorum (Phaeosphaeria nodorum) is a fungal pathogen of wheat , barley and ryethat induces yield and quality losses. Damage symptoms Phaeosphaeria [...] nodorum causes glume blotch, which presents itself as brown, elongated lesions with a light halo on leaves, stems and glumes. In the centre of the lesions