• Two-spotted spider mite

  spider mite populations in check. Especially predatory mites in sachets are a good preventative measure as the sachets enable a continuous supply of predatory [...] such webs in which the mites live. The webbing and spotting on the leaves affects the appearance of the crop. This is of particular concern in ornamental [...] smaller and more active than the females, with a body that is narrower and more pointed at the rear. Colour is very variable: from light yellow or orange to

• Aphelinus abdominalis

  The parasitic wasp is available in a bottle ( Aphilin ). Release mummies near infested plants, because Aphelinus abdominalis is not very mobile Spread [...] Males are slightly smaller and their abdomen is a slightly darker colour. A parasitized aphid hardens to become a leathery, black mummy. The adult wasp appears [...] Aphelinus abdominalis is a parasitic wasp for the biological control of various aphid species. The parasitic wasp Aphelinus abdominalis is used for the biological

• Damping-off

  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 [...] aphanidermatum mostly occurs in young plants and damage is more extensive in young crops. Damage symptoms Pythium affects roots, in particular those of seedlings [...] 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

• Fusarium spp.

  Fusarium spp. is a group of soil-borne fungi with many different species. Fusarium is widespread and can infect a range of host crops. Many species are [...] The rot is dark and wet at first. The lesions are irregular and sharp-edged. In cavities, pink sporulation becomes visible. Fusarium solani is a complex [...] of Fusarium spp. Fusarium is a group of soil-borne fungi with many different species. Fusarium is widespread and can infect a range of host crops. Many

• Aphids

  the progeny of a single female is genetically identical to the mother. In other words, they are clones. Because there is no genetic recombination, different [...] the life cycle is termed holocyclic (complete). In greenhouses, however, the alternation of host plant and egg-laying may not take place. In this case, r [...] can often clear large quantities of aphids in a short time. The best pest control is typically achieved through a combination of various natural enemies adjusted

• Swirski-Mite LD

  of whitefly . Crops Do not use in tomato. Mode of action Predatory mites multiply in the sachet and disperse into the crop over a period of several weeks [...] repeated after 5-6 weeks if the pest is not controlled. Consult a Koppert advisor or a recognized distributor of Koppert products for advice on the best strategy [...] swirskii is most effective at temperatures between 20 and 32°C (68 and 90°F). It is not effective at temperatures below 18°C/64°F. Amblyseius swirskii is sensitive

• Tomato

  Management (IPM) in tomato crops Integrated Pest Management (IPM) is of importance in tomato cultivation. Tomatoes are exceptionally susceptible to a range of [...] responsible agriculture. Bumblebee pollination not only plays a critical role in enhancing fruit set and yield in tomato crops, but also contributes to integrated [...] tomato plants. Mealybugs In some cases, mealybugs , and in particular the Obscure mealybug ( Pseudococcus viburni ) can be a problem in tomato. These small

• Aphipar

  material on rock wool slabs or in Diboxes Make sure the material remains dry and is not moved from its introduction site for at least a few days Dosage The dosage [...] converts into a leathery mummy. The adult parasitic wasp emerges through a hole at the rear of the mummy. The first mummies are noticed in the crop around [...] /release. Releases should be repeated at least 3 times. Consult a Koppert advisor or a recognized distributor of Koppert products for advice on the best

• Spidex Vital Go

  sheltered locations in the crop, not exposed to direct sunlight. In tomato only use Spidex Vital Go in hotspots Sachets already have an exit hole Hold sachets [...] situation. Release should be repeated biweekly if the pest is not controlled. Consult a Koppert advisor or a recognized distributor of Koppert products for advice [...] evansi . Mode of action Predatory mites multiply in the sachet and disperse into the crop over a period of a couple of weeks. Predatory mites use their piercing

• Amblyseius swirskii

  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 [...] Amblyseius swirskii is a species of predatory mite widely employed for biological pest control in agriculture. The predatory mite is an excellent biocontrol [...] (68 and 90°F). It is not effective at temperatures below 18°C/64°F. Amblyseius swirskii is sensitive to relative humidity below 60%. In tomato, use of Amblyseius