• Diglyphus isaea

  more) next to it. In general, the wasp selects late second and third instar larvae to parasitize. An egg has an elongated shape, measuring 0.3 x 0.1 mm, and [...] adjusted to the particular situation. Start introduction as soon as the first mines are visible in the crop. Introduction rates typically range from 0.25-3 [...] internal tissues. As they develop, the larvae consume the leafminer from within, leading to its death. This feeding behavior is highly effective in reducing

• Sciarid flies

  minute (0.1 to 0.25 mm) and yellowish white in colour. They are laid on the ground surface close to plant roots. The larvae can grow to 5 to 12 mm in length [...] constitute the family of Sciaridae. The species that cause most damage to crops belong to the genera Bradysia and Lycoriella . Lycoriella species are mainly [...] transferring fungal diseases, such as Fusarium, Botrytis and Verticillium, from diseased to healthy plants. Direct damage is the immediate result of larvae feeding

• Long-tailed mealybug

  Over two or three weeks, a female produces 100-200 nymphs. In the summer, the life cycle takes about six weeks to complete and in the winter about 12 weeks [...] inflict damage on the crop in various ways: Nymphs and females extract the sap from the plant, stunting growth and causing deformation and / or yellowing of [...] often drop off. Plant sap is rich in sugars, but low in proteins. In order to gain an adequate intake of protein, mealybugs must therefore ingest large

• Cabbage leafroller

  leafroller (Clepsis spectrana) is native to North-West Europe. It is a highly polyphagous species causing damage to field grown cabbage, apple, pear as well [...] growth 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 [...] opening bud to the growing tip, while older caterpillars eat a hole in the shoot and hollow it out, causing the shoot or growing point to wilt and die. Life

• V10

  against PepMV US1. Crops Protected tomato crops. Mode of action Following inoculation with V10, asymptomatic PepMV isolates VC1 and VX1 become established [...] crop cycle Timing Apply V10 to newly planted tomato crops, preferably as soon as possible and before the first flowers start to open at the latest. Storage [...] V10 can be used to protect tomato plants against damaging symptoms of virulent strains of Pepino mosaic virus . Diseases Pepino mosaic virus (PepMV EU

• Trial results onion fly and bean seed fly

  reduction compared to untreated control) against onion fly (Delia antiqua) damage The Netherlands - Independent Trial (Vertify), 2020 100 Efficacy (%) 75 [...] compared to untreated control) against bean seed fly Vertify, Aarle Rixtel, The Netherlands, 2022 Capirel efficacy (% damage reduction compared to untreated [...] seed fly, Frank decided to use Capirel. Integrated pest management, including the use of beneficial nematodes like Capirel, is key to controlling bean seed

• Shallot aphid

  of the shallot aphid are 1.1-2.2 mm long and shiny brownish green to dirty yellow. Their legs and antennae are pale, apart from the ends of the antennae [...] place by parthenogenesis, with unfertilized viviparous females continuing to produce new generations of females. Aphids moult four times before reaching [...] are short an swollen towards the apex. The shallot aphid does not alternate to another host plant for overwintering and there is no sexual stage in the life

• Vidi Parva

  Parva increases root length, leading to better uptake of nutrients. Crops All crops. Mode of action Vidi Parva contains 1% tryptophan, an essential amino acid [...] root hairs. Pack size 1, 5 and 20 litre containers (country specific). Presentation Liquid, brown, slight herbal scent. Content 1% tryptophan and other [...] by drench/drip to prevent leaching Make sure Vidi Parva does not remain in the irrigation system overnight Use disinfectants regularly to keep the irrigation

• Praon volucre

  adjusted to the particular situation. Start introduction preventively soon after planting of the crop. Introduction rates typically range from 0.75-1.5 parasitic [...] volucre on Macrosiphum euphorbiae from oviposition to adult emergence is 13 days. At 16°C, the developmental time slows down to 26 days. Life cycle and appearance [...] Praon volucre Praon volucre is a parasitic wasp that belongs to the family Braconidae and to the subfamily Aphidiinae . Praon volucre is one of the most

• Ervibank

  dripper to the tussock for continuous supply of water and nutrients, arrange proper drainage for any excess water Move the dripper from tussock to rock wool [...] wool when roots start to grow Best results are obtained when the banker plants hang above the crop To prevent the crop from honeydew contamination, secreted [...] es up to approximately 30°C/86°F. Side Effects Aphids on banker plants are extremely susceptible to insecticides. Remove the banker plants from the greenhouse