• Potato aphid

  extract nutrients from the plant and disturb the balance of growth hormones. As a result, the plant’s growth is retarded giving rise to deformed leaves or [...] sugars, but has a low protein content. Aphids therefore need to extract large quantities of sap to get sufficient protein. The excess sugar is secreted in the [...] greenhouses reproduction also takes place by parthenogenesis, with unfertilized viviparous females continuing to produce new generations of females. Aphids

• Phytoseiulus persimilis

  sensory organs to register volatiles emitted by damaged plants. Phytoseiid mites have no eyes and therefore rely on volatiles released by damaged plants [...] smaller prey stages. The larvae do not eat. They develop quickly to protonymph and then start to feed on spider mites. The quantity of prey consumed depends [...] slightly smaller, flatter and more elongated, they are difficult to distinguish from the females. When moving, the mites stir their first pair of legs

• Horiver Disc

  substrate Remove the silicone cover paper from the top side of the trap Replace the traps when largely covered by insects and/or debris Dosage One Horiver [...] Pests Root aphids , fungus gnats . Mode of action Insect pests are attracted to the colour of the sticky trap and get caught in the glue. Presentation Polysterene [...] SDS Horiver Dry Delta Disc - FR Application Remove the silicone cover paper from one side of the trap Place trap around the stem of the plant with the sticky

• Beet armyworm

  a regular problem for horticulturalists due to its resistance to nearly all insecticides, and its ability to develop on wild vegetation during the summer [...] 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 [...] migrate to the top of the plant where they feed mainly on the growing tips. They produce large holes in the leaf, sometimes stripping the leaf down to the

• Buxatrap

  escape and are easy to detect, count and identify. Trapping males also aids in reducing the number of eggs laid by females as they fail to mate. Presentation [...] Cydalima perspectalis ). Crops Box trees Mode of action The Buxatrap needs to be used in combination with Pherodis pheromone dispensers. The dispensers [...] hanging string. Preparation For each Buxatrap two Pherodis dispensers need to be used Place the Pherodis pheromone dispensers in the canisters Assemble

• Amblyseius swirskii

  leaf veins to rest. Their colour can vary according to the prey eaten, and varies from almost lucent whitish to opaque white or yellow. Due to their size [...] in the crop, not exposed to direct sunlight Sachets already have an exit hole Hold sachets by the cardboard strip at the top, to avoid damaging the predatory [...] swirskii is sensitive to relative humidity below 60%. In tomato, use of Amblyseius swirskii is not recommended as it is hindered by the glandular hairs on

• Tobacco aphid

  crop by walking. 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 [...] extract nutrients from the plant and disturb the balance of growth hormones. As a result, the plant’s growth is retarded giving rise to deformed leaves or [...] sugars, but has a low protein content. Aphids therefore need to extract large quantities of sap to get sufficient protein. The excess sugar is secreted in the

• Codling moth

  and yellowish brown to dark brown, with several hook-tipped bristles at the tip. In Europe, the first generation adults appear from mid May onwards. Eggs [...] cavity just under the skin. The entry hole can be seen and is usually plugged by dry frass. The larva then burrows towards the core and eats a large proportion [...] Later, the developing embryo is visible as a red ring. The larvae are up to 20 mm long, initially whitish and later pale pinkish white, with a brown head

• Roots Growers positive about Mycotal against whitefly

  artificial lighting from week 2 to week 51 inclusive. The other section, fitted with SON-T and LED lamps, grows crops from week 34 to week 31 inclusive. [...] yet to find out how much of the effect can be attributed to Mycotal.’ Greater peace of mind Nevertheless, Sam is adamant that Mycotal has helped to combat [...] gets to work faster, and it is even more effective at killing off pests. Longer shelf life We were also able to increase the shelf life of Mycotal by adjusting

• Poultry Red Mite

  emerge from the eggs after 13–51 hours and moult within 24 hours of hatching to become an eight-legged protonymph; the mites do not feed prior to reaching [...] fowl, pigeons, and other caged birds worldwide. A parasite especially common to poultry breeding and egg production operations, it is directly responsible [...] organic farming because the environments provide more opportunities for the mite to evade chemical control measures. Damage symptoms Dermanyssus gallinae causes