• Horiver Rollertrap

  crop, except for the 30 cm width which needs to be placed 40 cm above the crop To assist with placement, insert a rod or other expedient through the center [...] allow the Rollertrap to spin freely while unrolling At the beginning and end of each run, cut the trap approximately 40 cm longer than the support structure [...] staples or clips. It may be necessary to secure the Rollertrap mid run to provide additional support. It is recommended to replace the Rollertrap after 10 months

• Beet armyworm

  a exigua) has become a regular problem for horticulturalists due to its resistance to nearly all insecticides, and its ability to develop on wild vegetation [...] of caterpillars, the damage can spread to the stems, and in the worst cases to the fruit. This often leads to the entire contents being consumed. In [...] exigua) is a small, nondescript moth, that hides during the day and is active only at night. The forewings are grey-brown suffused with a dark brown or

• Aphilin

  develops inside the aphid, which converts into a leathery mummy. The adult parasitic wasp emerges through a hole at the rear of the mummy. The first mummies [...] and at its introduction site for a few days Dosage The dosage of Aphilin depends on climate, crop and aphid density and should always be adjusted to the [...] 25-4 per m 2 /release. Releases should be repeated a number of times. Consult a Koppert advisor or a recognized distributor of Koppert products for advice

• Maximizing Bumblebee Pollination in Canadian Fruit Crops

  July 15, 2024

  foraging for pollen. Note: 5-7 days prior to a flower’s opening is a good delivery window to aim for. 2. Distance from Honeybees: Honeybees can destroy bumblebee [...] placed too close. At a minimum, this will divert their attention from pollination as they try to guard their colony from honeybees trying to steal their nectar [...] make sure to position Quads at a minimum off 100 meters away from honeybee hives. 3. Colony Spacing: Though bumblebees will forage and pollinate at temperatures

• Optimal placement of bumblebee hives

  can be taken to increase the productivity of bumblebees: To ensure successful communication between bumblebees and humans, it is crucial to position the [...] condition (Spring, summer) During these seasons, it is advisable to position the hives at a height of 20 – 60 cm above the ground on the south side of the [...] choose a spot where the hives receive early sunlight, typically on the north side. If needed, the hives can be placed higher inside the crop, at a minimum

• Southern European marshland pyralid

  caterpillars to inflict damage to the roots of crops cultivated in an ebb-and-flow irrigation system. The damage threshold varies considerably according to the [...] singly or in groups of 5 to 10 eggs, overlapping in a tile-like fashion on both the upper and lower surface of leaves close to the veins, or low on the [...] pyralid or European pepper moth (Duponchelia fovealis) is a polyphagous species feeding on a wide range of hosts from 38 plant families. They include

• Encarsia formosa

  control is achieved. At increasing temperatures it may be better to switch to the use of Enermix or Ercal . Consult a Koppert advisor or a recognized distributor [...] is approximately 0.6 mm long, with a head that is dark brown to black in colour, a dark brown to black thorax, and a yellow abdomen. The male is entirely [...] Encarsia formosa is available at Koppert as En-Strip . Encarsia formosa products En-Strip Enermix Expand all items How to use Encarsia formosa The parasitic

• Tobacco aphid

  The tobacco aphid tends to form denser colonies, closer to the top of the plant, than the peach potato aphid . It is not known to what extent tobacco aphids [...] Plant sap is rich in sugars, but has a low protein content. Aphids therefore need to extract large quantities of sap to get sufficient protein. The excess [...] matt, never glossy. Winged individuals have a brown-black head and thorax and a reddish abdomen. There is a dark brown spot on the abdomen and several

• Phytoseiulus persimilis

  are usually deposited close to, or in a spider mite colony. They are approximately twice the size of spider mite eggs and a transparent light pink when [...] m2/release. Releases should be repeated once or twice at weekly intervals. Consult a Koppert advisor or a recognized distributor of Koppert products for advice [...] be adjusted to the particular situation. Release should be repeated biweekly if the pest is not controlled. Consult a Koppert advisor or a recognized

• Tomato russet mite

  Australia and is a pest in tomatoes in all areas where they are grown. Other members of the plant family Solanaceae may be affected to a lesser extent. Damage [...] The first nymphal stage is a transparent white colour and about 0.1 mm long. They usually develop to the 2nd stage within a day. All life stages look very [...] lycopersici , also referred to as Vasates lycopersici, Vasates destructor and Phyllocoptes destructor in older publications) belongs to the family Eriophyidae