Broad mite

brown stripes forming a fine network on the leaves. In case of a more serious infestation, this network becomes so dense that there is no more green tissue [...] latus) are not a serious problem, as they are unable to overwinter. Mites belonging to the family of tarsonemids ( Tarsonemidae ) display a greater diversity [...] feeding habits than any other mite family. There are species that feed on fungi, algae, plants, as well as insect and mite predators and parasites. Those

Orchid

in many different arrangements. Some only have a single flower, but most plants have a racemose inflorescence, which can consist of many flowers. The majority [...] majority of orchids which are commercially sold is tropical or subtropical. There are varieties however that grow in colder climates. [...] About The orchid is part of an extremely large and diverse of flowering plants, the Orchidaceae or the orchid family . The plant’s flower are usually colourful

European red mite

General As the name implies, the European red mite, Panonychus ulmi , is mainly a pest of fruit trees (apple, pear, plum and cherry). However, it can attack [...] attack a large scale of other woody plants and is occasionally a problem on roses and other ornamentals of the family Rosaceae grown in greenhouses. It [...] when these coalesce the leaves loose colour; this is often referred to as bronzing. When infestation is heavy, leaves can drop. Life cycle and appearance

Aphidius colemani

wings, and is black with dark brown legs. A female has a more pointed abdomen that is as long as the wings, is equipped with an ovipositor, and is black, with [...] an aphid is parasitized in a younger stage there will be no reproduction. A male wasp has slightly longer antennae, a rounded abdomen that is shorter than [...] development is complete the larva spins a cocoon inside the aphid cuticle, causing it to swell. The cuticle turns from a hard, leathery brown to a golden yellow

FAQ Nematodes

temperatures and certainly not outside a host. Only if the nematode is in the host and the temperature is not too low is there a small chance that the nematodes [...] move. Dispersion is not possible without a water film. How long after application should the substrate remain moist? As long as the soil is not dry, the nematodes [...] carrier material allows a good solubility and a long shelf life for a living product. Is the carrier material harmful to humans? No, it is biodegradable and

Municipality Doetinchem: Entonem nematodes managing oak processionary caterpillar

Koppert’s nematode product Entonem . A major advantage is that the bycatch of other caterpillars is much lower, which is a great benefit to biodiversity. In [...] Van Rijswijk is confident that the use of nematodes helps to reduce the level of infestation. ‘By using Entonem and extracting the nests as a curative measure [...] the oak processionary caterpillar. As already stated, the use of nematodes is an important part of this. Entonem is without doubt an important link in

Thrips

This species is a major pest of onions and other allium crops Chilli trips ( Scirtothrips dorsalis ): This is a polyphagous species and is a pest in berries [...] larval instars, a pre-pupa and a pupal instar, and finally the adult insect. The eggs are kidney-shaped and have a white or yellow shell. Before a female deposits [...] occidentalis ): This is a polyphagous species that feeds on a wide range of crops, including fruits, vegetables, and ornamental plants. It is one of the most

Nutari

When density of the target pest is low and there is no alternative food available in the crop Nutari can be provided as alternative food source for predatory [...] carrier material may cause leaf damage, so make sure the material is distributed as a thin, even layer Dosage The dosage of Nutari depends on climate, crop [...] predatory mites . This will ensure a standing army of predatory mites in the crop, keeping the target pest on a low level. Pack size 30 gram (2 million);

Downy mildew of Cucurbits

germination free water is required. For most downy mildews, the optimum temperature is around 15 o C and the closer the temperature is to this, the shorter [...] after a while new spore-bearing structures are protruding from the stomata. Because there are more stomata on the underside of the leaf, this is where [...] General Pseudoperonospora cubensis is a plant pathogen causing downy mildew on cucurbit crops like cucumber, cantaloupe, pumpkin, watermelon and squash

Bedding plants

annual, biennial or tender perennial plants used in gardens and parks. There is a wide range of plants especially produced to demonstrate coloured flowers [...] nigella, godetia, eschscholzia Tender annual or perennial plants are planted in a protected environment in late winter: begonia, chrysanthemum, arguranthemum [...] cosmos, nicotiana, fuchsia Hardy biennial plants or perennial plants that serve as perennial; antirrhinum, polyanthus, daisy, foxglove, various dianthus and