Swirski-Mite

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 [...] should always be adjusted to the particular situation. Start introduction as soon as the first pest mites are detected in the crop. Introduction rates typically [...] per m2/release. Releases should be repeated if necessary. Consult a Koppert advisor or a recognized distributor of Koppert products for advice on the best

Spidex

should always be adjusted to the particular situation. Start introduction as soon as the first pest mites are detected in the crop. Introduction rates typically [...] Releases should be repeated once or twice at weekly intervals. Consult a Koppert advisor or a recognized distributor of Koppert products for advice on the best [...] persimilis is most effective at temperatures between 13 and 27°C (55 and 81°F) and not effective above 30°C/86°F. Phytoseiulus persimilis is sensitive to

Spinach

oleracea ) is an edible flowering plant of the Amarantha family that originates in Asia. It is consumed as vegetable and is rich in iron. It is grown as a vegetable [...] vegetable worldwide and growths to a height of about 30 cm. It is eaten fresh, steamed or boiled and has a high nutritional value.

Charcoal rot

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 [...] Severely infected plants collapse and die. When the crown is cut, internal symptoms can be seen, such as discolouration of vascular and cortex tissue (outer [...] crop residues as microsclerotia. In corn stalks, survival of up to 1.5 years has been reported. The density of the microsclerotia in the soil is directly related

Aphidius ervi

appearance of Aphidius ervi Aphidius ervi is a very dark aphid parasitoid. The waist is entirely black, without striping. As it can develop in large aphid species [...] control with the parasitic wasp Aphidius ervi Aphidius ervi is a parasitic wasp species that plays a significant role in biological control of aphids . The [...] Aphidius ervi is available in a bottle ( Ervipar ). Spread the material on rock wool slabs or in Diboxes Make sure the material remains dry and is not moved

Root rot of carrot

weeds or alternate hosts and transfer to annual crops. As far as is known, Daucus carota (carrot) is the only host plant of the fungus. How to prevent root [...] have been identified as the most prevalent black spot pathogens in Northwest Europe. Damage symptoms Rhexocercosporidium carotae is a slow-growing fungus [...] the field, the disease is difficult to distinguish from both Cercospora and Alternaria dauci . Cercospora prefers younger leaves. A. dauci starts mainly

Eggplant

in South Africa and Southeast Asia it is known as brinjal. The eggplant is a member of the genus Solanum and is thus related to the tomato and potato. [...] Solanum melongena ) is a specific species of nightshade and is widely produced for its tasty fruit. In North America and Australia the fruit is called eggplant [...] Botanically speaking however, the eggplant is classified as a berry. The fruit contains many small and soft seeds. These seeds taste rather bitter, because

Broccoli

looks a bit like a tree and branches out from a single thick, edible stalk. Broccoli (both the head and the stalk) can be cooked and eaten as a vegetable [...] About Broccoli is a tasty, green plant. When it comes to botanical classification, the broccoli plant is categorized as part of the Italica cultivar group [...] Broccoli looks a lot like cauliflower, which belongs to a different cultivar group of the same species. The plant has a large, flowering head that is usually

Amblyseius swirskii

of Amblyseius 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 [...] Amblyseius swirskii is a species of predatory mite widely employed for biological pest control in agriculture. The predatory mite is an excellent biocontrol [...] organisms such as spider mites and tarsonemid mites. They can also feed on pollen, which is useful for instance in sweet pepper crops as the predatory mite

Greenhouse whitefly

whitefly need a lot of protein for growth, and thus consume a large quantity of plant sap. This contains a high proportion of sugar, and the excess is excreted [...] es: If the population is very large, feeding on plant sap can affect the physiology of the plant, as a result of which growth is retarded. In full sunlight [...] excreted as honeydew, with larger larvae expelling large quantities. The damage that whiteflies cause to a crop is the result of sucking out the sap from the