Cyclamen mite

become brown near the base. Life cycle and appearance of Cyclamen mite The life cycle of the cyclamen mite ( Phytonemus pallidus ) has the following stages: [...] deform and discolour with the leaves turning bronze, mainly along the midrib. Even a mild infestation can cause enormous damage, and with heavier infestations [...] ornamentals . Mites belonging to the family of tarsonemids ( Tarsonemidae ) display a greater diversity of feeding habits than any other mite family. There are

Southern European marshland pyralid

line on the forewing. The end of the remarkably long abdomen bends upward almost vertically, with the abdomen of males often being longer than that of females [...] caterpillars often stay in the lower strata of the crop, sometimes attacking the stem of the plant as well as the leaves. Late instar larvae burrow into soft [...] weeds. The secretive habit of the caterpillars of this species makes them very difficult to control with synthetic pesticides. Damage symptoms The caterpillars

Onion thrips

colour, with a large head and bright red eyes. The colour of the adult depends on the food source. Onion thrips (Thrips tabaci) usually pupate in the ground [...] eggs of the onion thrips (Thrips tabaci) are laid in leaves, flower petals and in the soft parts of stalks. They are inserted into the plant tissue with a [...] black dots of their excreta indicate their presence in the crop. The vigour of the plant is reduced by loss of chlorophyll. When infestations become serious

Chrysanthemum

About The chrysanthemum ( Chrysanthemum spp. ), also called mum or chrysanth, is a flowering plant that belongs to the genus Chrysanthemum of the family [...] family of Asteraceae. The plant is originally from Asia and northeastern Europe and the majority of the different species derive from East Asia. Especially [...] in China a wide range of varieties and cultivars has been developed for commercial propagation and production. The current, commercially cultivated c

Blueberry

s are flowering perennials with dark blue/purple coloured berries. The plant belongs to the section of Cyanococcus and the genus Vaccinium (cranberries [...] and they are a dark blue/purple colour when ripe. The berries are protected by a layer of powdery epicuticular wax, commonly known as the "bloom". Blueberries [...] meters (13 ft) in height. The berries are usually 5–16 millimeters (0.20–0.63 inch) in diameter and have a flared crown. The berries are greenish pale

Chrysopa-E

Avoid clusters of eggs Can be applied with Natutec Airobreez, Natutec Airbug or Natutec Airobug only when mixed with (other products) with carrier material [...] until control is achieved. Consult a Koppert advisor or a recognized distributor of Koppert products for advice on the best strategy for your situation. [...] like mealybugs , Echinothrips and butterfly and moth eggs. Mode of action Larvae of the lacewing attack their prey and suck their body fluids. Visual effect

Greenhouse whitefly

symptoms The larvae of whitefly need a lot of protein for growth, and thus consume a large quantity of plant sap. This contains a high proportion of sugar [...] found on the oldest leaves. The adult emerges from the pupa via a T-shaped fissure. The adult whiteflies can usually be found in the top of the plant and [...] and the excess is excreted as honeydew, with larger larvae expelling large quantities. The damage that whiteflies cause to a crop is the result of sucking

Tomato leafminer

place in the soil or on 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 [...] mine inside the leaf, stem or fruit. In the second to fourth instars they become greenish with a black band behind the head. The prepupae of the tomato leaf [...] cycle and appearance of Tomato leafminer The female moth of the tomato leaf miner ( Tuta absoluta ) lays about 260 eggs. The eggs of the tomato leaf miner

Tobacco aphid

also capable of dispersing through the crop by walking. The tobacco aphid tends to form denser colonies, closer to the top of the plant, than the peach potato [...] from the plant and disturb the balance of growth hormones. As a result, the plant’s growth is retarded giving rise to deformed leaves or, if the infestation [...] General The tobacco aphid ( Myzus persicae subsp. nicotianae ) probably evolved from the peach potato aphid in the Far East and is a key pest of tobacco

Pea

This popular vegetable is a round seed in the seed pod of the fruit, Pisum sativum . Pods of this plant develop from the ovary of a pea flower and carry numerous [...] numerous peas. The vegetable is a bright green colour, sometimes yellow or purple and widely grown as a cool season vegetable crop. Immature peas are consumed [...] consumed as a vegetable and often canned or frozen. Dry peas are shelled from matured pods.