Entonem keeps young orchids free from fungus gnats

young plants in a fine mist. This is followed by a second fine mist to rinse off nematodes that are on the leaves. A while later, I collect a few drops of [...] interim, the crop is treated with a bacterial preparation. Internal cultivation adviser Jan Mulder explains, ‘It is essential that we do something to combat [...] operate a zero-tolerance policy. To make it possible for them to start with a clean plant, we maximize our use of biological plant protection, with a strong

Spider mites and other mites

other parts of the plant. The number of eggs laid by a single female can vary, and they can hatch within a few days to a couple of weeks, again depending on [...] overview of the life cycle of plant mites: Egg: The life cycle begins with the female mite laying eggs. The eggs are usually spherical and laid on the underside [...] check. How to prevent mites Keeping your greenhouse crop free of plant mite infestations requires a combination of proactive measures. One key step is to maintain

European red mite

ulmi , is mainly a pest of fruit trees (apple, pear, plum and cherry). However, it can attack a large scale of other woody plants and is occasionally a problem [...] spots on the leaves and when these coalesce the leaves loose colour; this is often referred to as bronzing. When infestation is heavy, leaves can drop. [...] webbing. The eggs are about 0.15 mm in diameter, dark red, and oval with small ridges running top to bottom, with a thin stalk on top. They look a bit like

Mycotal FAQ

thrips control What is Mycotal What is Mycotal? Mycotal is a natural insecticide. It contains a so called entomopathogenic fungus, a fungus that disables [...] at a temperature between 2°C and 6°C. The expiry date of the product can be found on the packaging. How to apply Mycotal? Mycotal is applied as a foliar [...] disables and kills insects. The product is packed in a cardboard box which contains a bag of blastospores of the unique fungus, Akanthomyces muscarius Ve6. Against

Tomato leafminer

the surface of a leaf, in a curled leaf or in a mine. If they leave the mines they build silk cocoons on the leaflets or in the soil. When pupation occurs [...] leaf miner (Tuta absoluta), a major pest of field- and greenhouse-grown tomatoes, belongs to the family of Gelechiidae . It is oligophagous, feeding mainly [...] female moth of the tomato leaf miner ( Tuta absoluta ) lays about 260 eggs. The eggs of the tomato leaf miner ( Tuta absoluta ) are cylindrical. Their colour

Pollination checklist Growing lights

hours to return to their hive 15:00 Do not keep a hive closed for longer than one day unless additional pollen is fed to the bees. Bumblebee pollination [...] allow the bumblebees to fly when there is enough daylight present. Wireless BeeHome system (WBH) can be controlled either by using a timer or by connecting [...] at higher than 28 °C temperatures you can place them lower in the greenhouse. 13:00 Vertical placement will have a negative effect on the development

Aphidend

should be repeated at weekly intervals until control is achieved. Consult a Koppert advisor or a recognized distributor of Koppert products for advice [...] midges emerge from the pupae and deposit their eggs in the aphid colonies. After emerging from the eggs the larvae consume the aphids . Visual effect Aphids [...] it is crucial to keep the night temperature above 12°C/61°F, to ensure optimal conditions for oviposition. Apply Aphidend in an environment with a high

Damping-off

substrate the plant turns brown. A typical symptom of a Pythium infection is the easy stripping of the skin from the root cortex with a finger nail. Life cycle [...] General Pythium is considered a ‘weak pathogen’, meaning that it can usually only affect plants that are in a sub-optimal condition or suffer from stress [...] Damping-off Pythium belongs to the Oomycetes, a separate group of microorganisms and is therefore not a real fungus. It survives as oospores, resting spores

Large blackberry aphid

Amphorophora rubi , is very similar to the large raspberry aphid Amphorophora idaei . As both aphid species are host specific the host plant is the simplest method [...] of Large blackberry aphid Aphids have a complex life cycle, with both winged and wingless forms of adults and a great variety in colour. In greenhouses [...] with long antennae, legs and siphunculi. The cauda is short and triangular. The aphids overwinter as eggs on blackberry plants. After emerging in spring,

Tree specialist Wolterinck: Control of oak processionary caterpillar with Entonem

urban areas.’ Wolterinck BV sprays the nematodes when the caterpillar egg casings begin to emerge. A second spraying may be needed, either of nematodes [...] advocate Wolterinck BV is a staunch advocate of Entonem against the oak processionary caterpillar. Ivo de Groot continues, ‘The product has a guaranteed firm [...] Wolterinck BV in Beltrum, the Netherlands, is a specialist in tree care and weed control and works on behalf of local authorities and governmental bodies