Encarsia formosa

temperatures it may be better to switch to the use of Enermix or Ercal . Consult a Koppert advisor or a recognized distributor of Koppert products for advice on [...] 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 [...] exposed to direct sunlight The dosage of En-Strip or Enermix depends on climate, crop and whitefly density and should always be adjusted to the particular situation

Natutec Mini-Airbug

Artefeed and Entofood. Mode of action The innovative combination of the special fan of the Mini-Airbug and the revolving dosing pot ensures a uniform release [...] enemies. The airflow from the fan guarantees a uniform distribution of this material up to a distance of at least 2 metres from the Mini-Airbug. Product components [...] also available for use on trolleys and is then delivered with a converter Volume of dosing pot/drum 1.5 litres. Range 2-3 metres (depending on product/carrier

Diglyphus isaea

rates typically range 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) it might be better to use Minusa . Consult a Koppert advisor or a recognized distributor of Koppert products for advice on the best [...] at temperatures between 15°C and 25°C (59 and 77°F). Behaviour of the parasitic wasp Diglyphus isaea Diglyphus isaea is a parasitoid wasp renowned for

Buxus

eaking countries) or boxwood (in North America). Buxus are evergreen and slow-growing shrubs and small trees. They can grow up to 2–12 meters. The tree’s [...] tree’s leaves are usually small (some 1.5-5 cm long and 0.3-2.5 cm wide) and leathery and their shape is round to lanceolate.

Geranium aphid

Life cycle and appearance of Acyrthosiphon malvae rogersii Aphids have a complex life cycle, with both winged and wingless forms of adults and a great variety [...] autumn and produce eggs to overwinter) and monoecious (i.e. they do not change their host plant for overwintering). Wingless females are green or yellow [...] General Acyrthosiphon malvae rogersii is a pest of strawberry that is widely distributed in northern and western Europe. Damage symptoms Wingless aphids

Pierce's disease of grapevine

leaf scorch. Part of a green leaf suddenly dies and turns brown with adjacent tissue turning yellow or red. This desiccation spreads and the whole leaf may [...] marked by a chlorotic band. In the beginning, only a few leaves per branch are showing symptoms, but later the growth stops and the plants die, usually within [...] normal and look stunted. Twigs and branches die and the foliage becomes thinner, but the trees don’t die of the disease. Olives: Scorch symptoms and desiccation

Hemispherical scale

The hemispherical or helmet scale, Saissetia coffeae , occurs widely in tropical regions and in greenhouses throughout the world. It is a severe pest in coffee [...] female of S. coffeae has a hemispherical form with a smooth surface. The colour is usually dark to sometimes lighter brown or almost yellow, with many [...] rounded form and smooth surface distinguish the species from most other soft scales. The size depends on the host plant and can vary from 2 to 4.5 mm. The

Artificially lit crops pollination advice

allowed to fly between 10:00 a.m. and 2:00 p.m. (4 weeks before/after the shortest day), with an additional half-hour per week. For optimal pollination [...] for colonies during intense sunlight between 11:00 a.m. and 3:00 p.m., especially during autumn and early spring Ensure early daylight is not obstructed [...] the energy screen and daylight cycle, allowing the bees to fly only when there is sufficient daylight (e.g., between 10:00 a.m. and 3:00 p.m.). If the

Trianum effectively controls Pythium in cucumber

until 2019, there was a lot of damage and loss of production at the end of cultivation. Whole mats and whole rows had to be rejected, and the fungus would spread [...] it susceptible to Pythium. A very acceptable level Kees grows Rijk Zwaan’s variety Skyson RZ, which has a lot of vigour and is suited to exposure levels [...] has a slightly weaker root base than other varieties. ‘This is another reason why I’ll continue to use Trianum. A combination of this product and growing-based

Citrus mealybug

growth and causing deformation and / or yellowing of leaves, sometimes followed by defoliation. The overall effect is a reduction of photosynthesis and therefore [...] Planococcus citri are 2.5 - 4 mm long and 2 - 3 mm in breadth. Seen dorsally, they have an oval form; they are soft and covered with a fine waxy material [...] Planococcus citri ) has a world-wide distribution and many and diverse host plants. In temperate regions of the world this mealybug poses a problem in greenhouse