• Swirski-Mite LD

  preventively or as soon as the first pest mites are detected in the crop. Use at least 4,000 sachets per ha and hang them evenly spaced in the crop. Release [...] sachets in sheltered locations in the crop, not exposed to direct sunlight Sachets already have an exit hole Hold sachets by the cardboard strip at the top [...] Amblyseius andersoni ). Storage time after receipt Apply as soon as possible after receipt. If necessary, the product can be stored for 1-2 days. Storage temperature

• Aphidius colemani

  colemani is available at Koppert as Aphipar . Aphidius colemani products Aphipar Expand all items How to use Aphidius colemani The parasitic wasp is available [...] spp. deposit an egg in an aphid in which four larval instars subsequently develop. Once larval development is complete the larva spins a cocoon inside [...] abdomen that is shorter than the wings, and is black with dark brown legs. A female has a more pointed abdomen that is as long as the wings, is equipped with

• Aphidoletes aphidimyza

  aphidimyza is most effective between 20 and 30°C (68 and 86°F), effectivity decreases significantly at higher temperatures. As gall-midges are active at night [...] Aphidoletes aphidimyza is used for the control of the following pests: Aphids Aphidoletes aphidimyza is available at Koppert as Aphidend . How to use [...] crop and aphid density and should always be adjusted to the particular situation. Start introduction as soon as the first aphids are detected in the crop

• Powdery mildew

  the development rate of the epidemic is fastest at 18-25 °C. High relative humidity (RH) promotes germination of spores but inhibits spore production, so [...] General Powdery mildew is a fungal disease that is caused by many different species of fungi such as Erysiphe, Podosphaera, Oïdium, Leveillula. Damage [...] Leveillula ) are all biotrophic fungi, meaning they feed on living plant cells and barely survive in the absence of a living crop. They survive as ascospores

• Atheta

  25°C/77°F. Handling Biological beneficials have a very short life expectancy and therefore need to be introduced into the crop as soon as possible after receipt [...] ensuring good distribution and fast population development. Total development time from egg to adult takes about three weeks at 25ºC. After that period the [...] the adult predatory beetle will be active for approx. three weeks. An adult female will lay 8 eggs per day during the first two weeks after maturing. Application

• Pollination checklist tomato

  level is at temperatures between 8 and 28 degrees Celsius. At temperatures between 28 and 32 degrees Celsius, their activity level gradually drops. At higher [...] released best at a relative humidity (RH) of between 50% and 80%. A relative humidity of more than 80%-85% will result in pollen not being released and the bumblebees [...] pollination , a bumblebee bites onto the flower and makes the flower vibrate. This is known as buzz pollination. The imprints of the bumblebee's jaw on the flower

• Treatment of bumblebee stings and allergies

  location, such as near the eyes. As soon as possible after being stung, the person should take an anti-inflammatory (such as aspirin or ibuprofen). Cold compresses [...] reaction, or an anaphylactic reaction. Because an allergic reaction involves antibodies formed during a previous exposure to an antigen, it is not possible to [...] prescription for an adrenaline auto-injector (such as an EpiPen or Jext) from your doctor. This can be carried with you and is used to inject epinephrine into the

• Spidex Vital lives up to its promises

  switched over to Spidex Vital at the start of February. ‘I have three crops a year,’ he tells us five weeks later. ‘As the old crop is always cleared away, I [...] mine. And as spider mites can cause real problems in this type of crop, an even better beneficial is always welcome. That was the reason for me to try [...] Together, they create an effective mix. You can see them soon after they have been released and they get right down to doing their job.’ A tense moment Sjaak

• Cabbage leafroller

  spectrana) is native to North-West Europe. It is a highly polyphagous species causing damage to field grown cabbage, apple, pear as well as maple, popular [...] species is an increasing problem, and it has caused problems in sweet pepper since the mid 1980’s. In protected soft fruit cultivation, plants such as strawberry [...] leads to an untidy roll of leaves with large feeding holes. Caterpillars can also bore into the plant: young caterpillars eat a path from an opening bud

• Diglyphus isaea

  from 0.25-3 per m 2 /release. Releases should be repeated at least 3 times at weekly intervals or until control is achieved. At low temperatures (<20°C/68°F) [...] Diglyphus isaea is used for the control of the following pests: Leaf miners The parasitic wasp Diglyphus isaea is available at Koppert as Miglyphus Diglyphus [...] density and should always be adjusted to the particular situation. Start introduction as soon as the first mines are visible in the crop. Introduction rates