• Leaf stripe

  graminea is monocyclic, which means there is only one disease cycle during the cropping season. The fungus is seed-borne and this systemic infection is the [...] General Pyrenophora graminea is a disease of Barley that causes significant yield losses. Damage symptoms Symptoms first occur on the first, second and [...] the seed before use Use resistant cultivars Delay sowing in spring barley until soil temperature is higher than 12-15 o C Prevent plant diseases by optimizing

• Pea blight, leaf and pod spot

  General Ascochyta pisi is a fungal plant pathogen that causes A scochyta blight on pea (leaf blight or pea blight) and lesions of stems, leaves, and pods [...] sunken and surrounded by a dark brown to red-brown border. The first infection is often on the primary leaves. The fungus is seed borne and thus also causes [...] ) causes foot rot in peas, whereas Ascochyta pisi does occur sometimes at the stem base but is not part of the foot rot syndrome in peas. Infected seeds

• Treatment of bumblebee stings and allergies

  have a stinger, as is the case with honeybees and wasps. Drones cannot sting. The stinger is a weapon for defence. When a bee stings, some venom is injected [...] 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 [...] If you had a level 1 or 2 reaction in particular, the chance is small. Reactions to bumblebee stings may differ in each case. These days it is possible to

• Amblyseius swirskii

  have eight legs, and are a whitish yellow colour. Adult mites have eight legs, are a translucent white in colour, and have a flat, elongated body. They [...] Amblyseius swirskii is a species of predatory mite widely employed for biological pest control in agriculture. The predatory mite is an excellent biocontrol [...] swirskii is not recommended as it is hindered by the glandular hairs on the stems and leaves and does not build up a population. Amblyseius swirskii in bottles

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• 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 [...] clean substrate in greenhouse crops Disinfect tools, machinery and irrigation water in greenhouses Prevent stress for the plants Ensure there is adequate soil [...] stem rot, leaf lesions, fruit rot, head blight in cereals and post-harvest decay. Fusarium oxysporum is the species causing vascular wilt. First the leaves

• Enermix

  000 pupae. Presentation Cardboard strips with 5 cards each, wrapped in plastic, in a cardboard box, each card holds 60 parasitized whitefly pupae, 30 E [...] control is achieved. Depending on the specific situation, it may be better to switch to the use of En-strip or Ercal. Consult a Koppert advisor or a recognized [...] 20°C/68°F. Eretmocerus eremicus is still active at temperatures above 30°C/86°F. Combined use Enermix is best to be used in combination with generalist predatory

• About Koppert

  Biocontrol is our Nature The answers to many of today’s agricultural and environmental challenges are already out there: in nature itself. At Koppert, [...] we explore, understand, and apply these natural solutions in partnership with nature. Using natural enemies to control pests, bumblebees for pollination

• Bacterial soft rot, bacterial stem rot

  found as secondary pathogen in plants that are infected by other pathogens. The bacteria that causes black leg in potato is a different subspecies. How to [...] carovora is very common, but does not often reach epidemic population densities. It can survive as epiphytic bacteria on various plants or in the soil in low [...] leaves, but can grow in senescent leaves and from there grow through the petiole to the main stem through the xylem vessels. High humidity is required for disease

• Brown root rot, corky root rot

  cultivation practices. However, this fungus is a poor competitor against a balanced microbial population in soil. How to prevent Brown root rot, corky root [...] lycopersici survives in the soil and in buried tomato roots as microsclerotia. The microsclerotia germinate and produce mycelium that in turn infect the roots [...] General Pyrenochaeta lycopersici is a fungal plant pathogen, infecting tomatoes and aubergine. It causes brown root rot and corky root rot. Damage symptoms