• Rhizoctonia solani

  the fungus, only the mycelium is important in this context. Thanatephorus cucumeris is a soil-inhabiting fungus, that is very persistent in the soil. It [...] before and after emergence. A typical symptom of root infection is that the taproot is reduced to a thread. Reddish-brown lesions occur on the root just [...] susceptible. Optimum temperature for infection is between 15 and 18 °C, but infection still occurs at 35 °C. Disease is most severe in a moderately wet soil. On

• Fusarium wilt

  General Fusarium is a group of soil-borne fungi with many different species. Fusarium is widespread and can infect a range of host crops. Many species [...] mycelium cells) or mycelium. Survival is also possible on seed, greenhouse structures, tools and machinery. Primary infection is either seed-borne or takes place [...] fruit rot, head blight in cereals and post-harvest decay. Fusarium oxysporum is the species causing vascular wilt. First the leaves turn yellow and wilt,

• Powdery mildew

  General Powdery mildew is a fungal disease that is caused by many different species of fungi such as Erysiphe, Podosphaera, Oïdium, Leveillula. Damage [...] fungus causing powdery mildew is extremely sensitive to water and ‘hides’ on the underside of the leaves. Therefore, this is where the colonies mostly occur [...] epidemic is fastest at 18-25 °C. High relative humidity (RH) promotes germination of spores but inhibits spore production, so the net effect of the RH is very

• Bacterial canker of tomato

  tubers. This discolouration is round, hence the name ring rot. Life cycle and appearance of Bacterial canker of tomato Clavibacter is seed-borne and tuber-borne [...] General Clavibacter is a quarantine organism in Europe, which means that strong efforts are used to prevent the bacterium from entering. When the occasional [...] occasional infection is found, strict measures are taken to eradicate the infection. In tomato, growers must either destroy the infected crop entirely or,

• Sportnem-T

  Spray the solution as soon as it is prepared and within a short timeframe. Do not store mixed suspensions Dosage Sportnem-T is typically applied at a rate of [...] of crane fly larvae, Noctuids, mole crickets and caterpillars in lawns. It is effective in a wide temperature range. Pests Larvae of crane flies (Tipulidae) [...] strategy for your situation. Environmental conditions Steinernema carpocapsae is active between 14-34°C/57-93°F but performs best at temperatures between

• Wireless Beehome

  Wireless Beehome system. Download manual Dosage The range of the transmitter is 100-150 meters. Storage time after receipt The battery of the Wireless Beehome

• Crazy roots, hairy roots, crown gall

  yet been defined. The assumption is that the bacteria survive in the soil, but it is possible that first infection is from the propagation material. Infection [...] Agrobacterium rhizogenes and Agrobacterium rubi, n ow the first part of the name is changed to Rhizobium. Rhizobium rhizogenes or Rhizobium radiobacter causes [...] tumours on underground plant parts and on the crown. Furthermore, infection is characterized by excessive root growth (crazy roots). In greenhouse vegetables

• Grey mould

  General Grey mould ( Botryotinia fuckeliana / Botrytis cinerea ) is a commonly found fungus in many environments. It survives in plant parts like bulbs [...] 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 [...] grows into the plant. Grey mould ( Botryotinia fuckeliana / Botrytis cinerea ) is a necrotrophic fungus, meaning that it excretes compounds that kill the plant

• Gummy stem blight

  General Mycosphaerella cucumis (Didymella bryoniae) is a fungal plant pathogen that causes gummy stem blight. Damage symptoms Mycosphaerella cucumis in [...] round and extending lesions may occur. In cucumber, the most important symptom is internal fruit rot, which can only be recognized from the outside by the small [...] ascospores and asexual conida simultaneously. The spores germinate when free water is present on the plant, at high relative humidity (RH) and on wounds. Leaves

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