Aphelinus abdominalis

25-4 per m 2 /release. Releases should be repeated a number of times. Consult a Koppert advisor or a recognized distributor of Koppert products for advice [...] antennae. Females have a black thorax and yellow abdomen. Males are slightly smaller and their abdomen is a slightly darker colour. A parasitized aphid hardens [...] control with the parasitic wasp Aphelinus abdominalis Aphelinus abdominalis is a parasitic wasp for the biological control of various aphid species. The parasitic

Foot rot of cereals

Foot rot of cereals Microdochium nivale , a fungal pathogen responsible for causing foot rot in cereals, has a lifecycle showing complex interactions with [...] pathogen Microdochium nivale (formerly known as Monographella nivalis ), is a significant concern for cereal crop growers worldwide. This disease primarily [...] in seedling death and poor establishment. Surviving seedlings may develop a brown lesion around soil level. This can develop into foot and root rot. S

Fly pollination

flies show a stable emergence rate in combination with a high rate of activity in the crop. Natupol Fly is packed in a cardboard tube with a plastic lid [...] pollinators and are used in a wide range of seed crops. These flies are often applied in tents or other small isolation units with a few plants or when the [...] flies Lucilia sericata is a generalist when it comes to choosing plants for pollination . These adaptable insects can pollinate a wide range of plants, making

Grey mould

area, new spores are formed within a few days. Under circumstances unfavourable for germination, the spores can survive a few days on the plant surface and [...] greenhouse crops Remove diseased plants or plant parts in a closed plastic bag In tomato: prune with a knife and not by hand, to avoid rugged, irregular wound [...] General Grey mould ( Botryotinia fuckeliana / Botrytis cinerea ) is a commonly found fungus in many environments. It survives in plant parts like bulbs

Bacterial wilt, brown rot

solanacearum 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 [...] Ralstonia solanacearum is a quarantine organism in Europe and considered a bioterrorist organism in the United States. It is a commonly found soil-inhabitant [...] incidence with up to 250% Quarantine measures are in place, including a five-year ban on using a field for potato cropping after infection of potatoes from that

Damping-off

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

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 [...] spikelets, showing the bunt (smut spore) they contain, which is larger than a normal kernel. The bunt balls are grey-brown. They rupture at harvest and release [...] fish, hence the common name stinking bunt. Additionally, plants only reach a fraction of their normal height. Spikes are generally broader and the glumes

Vidi Funda

substrate Applications could be repeated for certain crops Consult a Koppert advisor or a recognised distributor of Koppert products for advice on the best [...] uniformly throughout the growth substrate. This can be done on farm or by a supplier of growth substrates Once incorporated into the growth substrate, [...] containing Vidi Funda may develop fungal growth. Under aerobic conditions this is a sign that the substrate biology is active and becoming more resilient The fungus

Angular leaf spot

t. When conditions are humid, a viscous bacterial exudate forms on the underside of the leaf. This exudate changes to a white film when it dries. Lesions [...] types of vascular tissue of the crown can be infected, creating a look similar to that of a Phytophthora fragariae infection. Life cycle and appearance of [...] General Xanthomonas fragariae is a leaf spot disease found in strawberry. Damage symptoms Xanthomonas fragariae initially causes small, water-soaked lesions

Cottony soft rot

cottony soft root, is a plant pathogenic fungus. It has a very wide range of host plants. Damage symptoms The first symptoms of a cottony soft root ( S [...] Germination and infection mostly take place at high soil water content over a prolonged period of time. The sclerotia germinate directly and form mycelium [...] dark sclerotia. The fungus also infects seeds and tubers, thereby creating a source of infection for the next crop. The dispersal to neighbouring plants