• Swirski-Mite Plus

  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). A. swirskii is sensitive [...] 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 [...] Sachets in cardboard box. Carrier Bran. Downloads Predatory mites whitepaper Predatory Mites Poster Application Hang sachets in sheltered locations in the

• Black leg of seedlings

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

• 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

• Pierce's disease of grapevine

  and fruit set in peach does not occur in citrus, there is no difference between infected and healthy trees. Normal fruit abortion does not happen so total [...] depends on the plant species: in peach, bacteria are found in high numbers in the roots, whereas in plum, high numbers are found in leaves and fruits. The bacteria [...] Recently, it is becoming more problematic in olive. Damage symptoms Grapevines: Primary infection of leaves results in leaf scorch. Part of a green leaf

• Root and crown rot of strawberry

  areas in crown and root of strawberry. Plant development is slow, growth is retarded and rooting is poor. Transplants look weak and may die. It is hard [...] of strawberry Not much is known about the life cycle. The fungus produces ascospores and conidia, but their role in the epidemic has not yet been established [...] 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

• 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

• Charcoal rot

  crops in temperate regions it is therefore not a problem. How to prevent Charcoal rot Plant in fields with no history of the disease Use disease-free planting [...] General Macrophomina phaseolina is a common soil fungus in warmer regions, causing charcoal rot. It has a very wide range of host crops, many of which [...] but this is not considered a main source of infection. Optimum conditions for this fungus are temperatures above 32 °C and dry conditions. In field crops

• 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

• 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