Boisduval scale

Diaspi s are very similar in their appearance and damage symptoms. Here, the Boisduval scale is described in more detail, as it is the most important one [...] occurs throughout the tropics, and in greenhouses in more temperate climates. It is very polyphagous and can be a pest of orchids, palms, pineapples, [...] 2 mm in diameter and circular or oval. The cast skins of the nymph form a light yellow spot near the centre of the scale called the exuvium. Adult females

Artificially lit crops pollination advice

bees to fly only when there is sufficient daylight (e.g., between 10:00 a.m. and 3:00 p.m.). If the energy screen remains closed for a full day, it's better [...] Placement advice in artificially lit crops For best results, consider the following placement advice in greenhouses with artificial lighting: In regions with [...] light sources can cause confusion in their orientation. To prevent bumblebees from flying aimlessly in the crop, it is advised to turn off grow lights well

Praon volucre

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 abundant [...] all items How to use Praon volucre The parasitic wasp Praon volucre is available in a bottle ( Aphiscout ) Peel off the outer layer of the label starting [...] parasitic wasp Praon volucre At a temperature of 22°C Praon volucre females can lay 500 eggs in Macrosiphum euphorbiae over a period of 18 days. Fifty percent

Bedding plants

perennial plants used in gardens and parks. There is a wide range of plants especially produced to demonstrate coloured flowers in spring and summer. They [...] eschscholzia Tender annual or perennial plants are planted in a protected environment in late winter: begonia, chrysanthemum, arguranthemum, lobelia, [...] They are easily divided in four different categories: Hardy annual plants which are planted directly into the soil already early in the season: sunflower

Pea blight, leaf and pod spot

General Ascochyta pisi is a fungal plant pathogen that causes A scochyta blight on pea (leaf blight or pea blight) and lesions of stems, leaves, and pods [...] sunken and surrounded by a dark brown to red-brown border. The first infection is often on the primary leaves. The fungus is seed borne and thus also causes [...] ) causes foot rot in peas, whereas Ascochyta pisi does occur sometimes at the stem base but is not part of the foot rot syndrome in peas. Infected seeds

Stratiolaelaps scimitus (Hypoaspis miles)

protonymph and deutonymph, and adult. Stratiolaelaps scimitus is a large mite with a body length of up to 1 mm. The body is pale with a clearly visible brown dorsal [...] Stratiolaelaps scimitus is also known under the scientific name Hypoaspis miles . It is a soil-dwelling predatory mite occurring naturally in several parts of [...] s scimitus is 15°C/59°F. How to use Stratiolaelaps scimitus The predatory mite Stratiolaelaps scimitus ( Hypoaspis miles) is available in a cylinder (

Municipality Doetinchem: Entonem nematodes managing oak processionary caterpillar

‘We think it is important to maintain the biodiversity in the centre, and public opinion is quite sensitive to spraying here. We worked in consultation [...] decided that in spring we would start using Koppert’s nematode product Entonem . A major advantage is that the bycatch of other caterpillars is much lower [...] There are many oak trees in the forests and plantations around Doetinchem. Marc van Rijswijk is the spokesman for Buha, the implementing organization for

Minusa

size 500 adults. Presentation 100 ml bottle. Carrier None. Application Release parasitic wasps between the leaves of the crop in the morning or in the evening [...] wasps develop inside the leaf miner pupa. The adult wasp will emerge from the pupa. Visual effect It is not possible to see on the outside if the leaf [...] until control is achieved. At higher temperatures (>25°C/77°F) and/or higher infestation rates it might be better to use Miglyphus . Consult a Koppert advisor

Aphipar

converts into a leathery mummy. The adult parasitic wasp emerges through a hole at the rear of the mummy. The first mummies are noticed in the crop around [...] material on rock wool slabs or in Diboxes Make sure the material remains dry and is not moved from its introduction site for at least a few days Dosage The dosage [...] /release. Releases should be repeated at least 3 times. Consult a Koppert advisor or a recognized distributor of Koppert products for advice on the best

Aphidoletes aphidimyza

aphidimyza is available in bottle ( Aphidend ). Open the bottle in the greenhouse Place the bottle directly on the soil or rockwool slabs or hang it in-between [...] for aphid control Aphidoletes aphidimyza is a species of predatory gall midge known for its effectiveness in biological pest control , specifically targeting [...] aphids . This beneficial insect is widely employed in integrated pest management (IPM) programs to suppress aphid populations in various agricultural and h