Aphidius ervi

recognized distributor of Koppert products for advice on the best strategy for your situation. Best conditions for use of Aphidius ervi The parasitic wasp [...] that plays a significant role in biological control of aphids . The natural enemy Aphidius ervi has been widely utilized in various agricultural regions [...] parasitic wasp Aphidius ervi is available in a bottle ( Ervipar ). Spread the material on rock wool slabs or in Diboxes Make sure the material remains dry

Treatment of bumblebee stings and allergies

Bumblebees are found in the natural environment in many countries. In addition, bumblebees and honeybees are used as pollinators in agricultural and ho [...] itching may last for hours or even days. In some cases, the local reaction may spread somewhat; in this case it usually takes longer for the symptoms to [...] to the site. In addition, a number of anti-itch ointments are available (e.g. containing diethyl-m-toluamide). In the rare case of a sting in the mouth or

Trichoderma harzianum

Biofungicide for crop protection Trichoderma harzianum T-22 is a species of beneficial fungus commonly used in agriculture and horticulture for its various [...] Competition for nutrients: Trichoderma harzianum competes for resources, such as space and nutrients, thereby reducing the availability of resources for pathogen [...] iron available for the plant to absorb. As a result, it provides a natural and environmentally friendly approach to disease management in agriculture and

Pepino mosaic virus

can be observed. In Europe, the Chilean strain (CH2) is dominant and present in 90% of the infections. If more strains are found in case of infection [...] different levels of aggressiveness in the plant and, as a consequence, in the severity of the symptoms and the damage they cause. For example, there are very aggressive [...] been in contact with infected crops. If one plant in a greenhouse contracts PepMV, the rest of the plants are sure to follow. PepMV can survive in plant

Grey mould

fungus in many environments. It survives in plant parts like bulbs and crop residues or as sclerotia (drought- and cold-resistant structures) in the soil [...] much vegetative growth, in order to maintain a microclimate which is not humid enough for grey mould Provide sufficient ventilation in greenhouse crops Remove [...] plants or plant parts in a closed plastic bag In tomato: prune with a knife and not by hand, to avoid rugged, irregular wound surfaces In cucumber: remove dead

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Fusarium wilt

be seen when the stems are cut. In banana, whole plantations may die and the soil may not be suitable for planting for many years to come. Life cycle and [...] water) Use clean substrate in greenhouse crops Disinfect tools, machinery and irrigation water in greenhouses Prevent stress for the plants Ensure there is [...] is similar to that of most Fusarium species. Fusarium overwinters for many years in the soil and on crop residues of infected plants as chlamydospores

Bacterial wilt, brown rot

35-37 °C, the optimum for Race 3 is 27 °C, which makes it more dangerous in temperate regions. It survives well in water and in many different soil types [...] quarantine organism in Europe and considered a bioterrorist organism in the United States. It is a commonly found soil-inhabitant in tropical and subtropical [...] xylem, causing bacterial wilt and brown rot in a very wide range of potential host plants. Damage symptoms In potato, field symptoms of Ralstonia solanacearum

Powdery mildew

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 [...] Ascospores have not been found yet for all powdery mildew fungi and especially in greenhouse crops they don’t play a role in the epidemics. Fungal spores germinate [...] explode when in contact with water for no more than a few hours. Powdery mildew spores, either ascospores or conidia, don’t need nutrients or water for germination

Root and crown rot of strawberry

New diseases in strawberry have been ascribed to Pestalotiopsis clavispora in the case of root and crown rot (of strawberry), first found in The Netherlands [...] ascospores and conidia, but their role in the epidemic has not yet been established. Pestalotiopsis clavispora is mostly found in plants that have been weakened [...] much or too little water), or that are damaged by for example handling or pests. Optimum temperature for Pestalotiopsis clavispora is 19-23 °C and high humidity