Tea spider mite

Infested leaves become reddish bronze and spider mite infested fields can be identified from a long distance as patches. Infestation results in reduced photosynthetic

Grape downy mildew

viticola can infect all green parts of the host plant with stomata, giving following symptoms: On young Leaves: yellow, translucent ‘oilspots’ with a choc [...] Plasmopara viticola is a plant pathogen causing downy mildew in grapes. P. viticola occurs in nearly all grape-growing regions worldwide. Damage symptoms [...] halo. On older leaves: small, angular, yellow to reddish-brown spots forming a mosaic-like pattern. Sporulation occurs on the lower leaf surface, appearing

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Dwarf bunt

General Tilletia controversa is a plant pathogen. It is a fungus known to cause the smut disease TCK smut in soft white and hard red winter wheats, as [...] basidiospores fuse in the middle with a basidiospore of the other mating type so that H-shaped structures are formed. These can germinate directly or form secondary [...] ensures a period of low soil temperatures. How to prevent Dwarf bunt Use resistant cultivars. However, the fungi may form new isolates that can break resistance

Crane flies

greyish-brown, and 2.5 cm long. After adults emerge, part of the pupal case can be found sticking out above the soil surface. Adult common crane flies emerge [...] turf and cereal fields. Exit holes of the burrows of the larvae might also be visible. Secondary damage may come from birds and rodents feeding on larvae

Vici Routz GR

Vici Routz GR Broadcast homogeneously to the plant’s root zone. Granules can also be applied by line or band application. Composition Phosphobacteria – Bacillus [...] When to use Vici Routz GR? Vici Routz GR is a natural product for soil application. It contains Phosphobacteria, soil probiotics and prebiotics which act

General Conditions Koppert

relates, in case of a shortcoming attributable to Koppert, other than as a result of exceeding a delivery term. This choice will be at Koppert’s discretion [...] parameters shall not be deemed shortcomings. 3.2 Article 6. Payment 6.1 All payments to be made to Koppert under these GC shall be made in full without [...] of the parties F as a result of which the compliance with and/or timely performance of the agreement can no longer, within reason, be expected by the Buyer

Bacterial spot

specks grow into brown spots that look like scab. These spots may be surrounded by a halo. In pepper, the spots on the leaves are also round and small [...] General Xanthomonas vesicatoria is a bacterium that causes bacterial leaf spot on peppers and tomatoes. Damage symptoms Xanthomonas vesicatoria in tomato [...] (underside of) leaf surfaces and may enlarge into dark brown lesions with a light brown centre. As with powdery mildew infection, pepper plants shed the

Black leg of seedlings

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 [...] 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 [...] of seedlings Pythium belongs to the Oomycetes, a separate group of microorganisms and is therefore not a real fungus. It survives as oospores, resting spores

Pierce's disease of grapevine

spreads over the leaf from the margin and is marked by a chlorotic band. In the beginning, only a few leaves per branch are showing symptoms, but later [...] transport of infected vectors or dormant plants. In citrus, the bacteria can be transferred in seed used for propagation. The bacteria are limited in many [...] General Xylella fastidiosa is a gram-negative bacterium which is limited to xylem tissue. It has many hosts, many of which show minor or no symptoms. More