• Wheat bunt

  The glumes are opened either on some or on all spikelets, showing the bunt (smut spore) they contain, which is larger than a normal kernel. The bunt balls [...] bunt. Life cycle and appearance of Wheat bunt Tilletia tritici and Tilletia laevis survive as teliospores in the soil or on seed. These teliospores germinate [...] distinguished. The filiform basidiospores fuse in the middle with a basidiospore of the other mating type so that H-shaped structures are formed. These

• Southern blight

  conditions for the development of the pathogen are temperatures between 25 and 30 ºC, relative humidity of over 90%, and a soil pH of under 7. The ideal pH range [...] responsible for root and stem rot, wilting and damping-off of seedlings. It has a wide range of hosts, around 500 botanical species, including dicotyledons [...] aqueous lesions on the stem. As the damage progresses, it causes darkening and rotting of the stem, resulting in the destruction of the cortex and the

• Miglyphus

  young leaf miner larvae by using them as a food source. This is known as host feeding. Visual effect The presence of Diglyphus isaea in the crop is signalled [...] parasitic wasps between the leaves of the crop in the morning or in the evening Dosage The dosage of Miglyphus depends on climate, crop and leaf miner density [...] Pests Leaf miners ( Lyriomyza spp.). Mode of action Adult female parasitic wasps of Diglyphus isaea kill second and third instar leaf miner larvae in the

• Glasshouse potato aphid

  marked by a number of darker bands, and their length exceeds that of the body. The legs are also long, there are two distinctive dark green spots on the abdomen [...] abdomen at the base of the cornicles. Alate (winged) females are yellow-green, with a brown head, a dark thorax and a dark abdomen that has pale to dark [...] glasshouse potato aphid ( Aulacorthum solani) is a native European species of aphids , seriously affecting crops of sweet pepper in particular. These aphids further

• Spider mites and other mites

  laid on the underside of leaves or on other parts of the plant. The number of eggs laid by a single female can vary, and they can hatch within a few days [...] are mites? Plant mites are a diverse group of small arthropods that feed on plant sap. They are found in a wide variety of habitats, from forests and [...] Biological control of spider mites and other mites uses a range of natural enemies that target different developmental stages of the pest: Predatory mites

• Flies

  and indirectly. The type of damage depends on the species of the flies. Direct damage is the immediate result of larvae feeding on root hairs and tender roots [...] particularly small flies of the families Sciaridae (sciarid flies) and Ephydridae (shore flies). The larvae of these insects generally live on rotting plant material [...] has recently developed into a major pest on soft fruits in Europe and North America. Sciarid flies and shore flies are mainly a problem in greenhouses. Their

• Spical

  Push the centre of the cap to open the dosage hole Sprinkle material on leaves Make sure the material remains on the leaves for at least a few hours after [...] times at weekly intervals. Consult a Koppert advisor or a recognized distributor of Koppert products for advice on the best strategy for your situation [...] Crops Do not use in tomato. Mode of action Predatory mites use their piercing mouthparts to extract the contents of their prey. Pack size 25,000; 125

• Cotton bollworm

  appearance of Cotton bollworm Eggs are deposited individually on young shoots near buds, flowers, fruits or on leaves. They are almost spherical with a flattened [...] 19 mm in length and have a wingspan of about 40 mm. The grey-green males are smaller. The forewings are edged with a line of black spots, and the hindwings [...] sub-tropics of all continents except for North America. Larvae of the cotton bollworm ( Helicoverpa armigera ) are highly polyphagous, feeding on crops such

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• Experience Centre

  from 9:00 AM to 5:00 PM. A tour takes an average of 1,5 hours and is suitable for groups of up to 15 visitors. In the case of bigger groups, the programme [...] horticulture. Take a look inside a bumblebee hive and see these tireless workers do what they do best. Did you know that the vision of bumblebees differs [...] through the fascinating world of sustainable cultivation. Follow our R&D and production process and discover the importance of miniscule organisms such as