Cherry

Himalaya. The sweet cherry is regarded as the most important ancestor of today’s cultivated cherry and it is one of two cherry varieties most of the current [...] About The Prunus avium , usually referred to as wild cherry, sweet cherry, or gean, is a species of cherry and a flowering plant that belong to the rose [...] north in the Trondheimsfjord region of Norway and in the Caucasus and northern Iran. Cherries even grow in a small and isolated cluster in the western Himalaya

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

Oleander scale

resembles a miniature fried egg with a diameter of 2 mm. The newly hatched crawlers are roughly 0.3 mm long. They quickly attach themselves to the plant and [...] Scale infestation can be seen by the appearance of the scale armour on stems, leaves and fruits of hosts. Infestations on the leaves and stems may cause wilting [...] cycle and appearance of Oleander scale Adult oleander scales are a greyish, dirty white or yellowy colour, round in shape, with a scale whose apex is

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

Macadamia

genus of four species of trees. Three species of the genus are important for their fruit, the macadamia nut. The plant is native to Australia and is grown [...] grown commercially in a number of subtropical areas. Macadamia trees usually grow to a height of between 2-12 metres (or 7-40 feet). The macadamia trees have [...] About The macadamia plant (Macadamia integrifolia) belongs to the Proteaceae family, known for their richly flavoured edible seeds. The macadamia is a genus

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

Aphipar-M

develop inside the aphid, which converts into a leathery mummy. The adult parasitic wasp emerges through a hole at the rear of the mummy. The first mummies [...] persicae ). Mode of action Adult parasitic wasps emerge from the mummies and females lay their eggs into aphids . The next generation of parasitic wasps [...] mummies are noticed in the crop around 10-14 days after the first introduction. Visual effect Parasitized aphids turn into a brown mummy. Pack size 1,000; 5

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