Cress

Cress, at time also named garden cress to distinguish it from similar plants, is an edible herb and its cultivation around the world is growing fast. Garden [...] Garden cress is genetically related to watercress and mustard. Garden cress is in some regions also known as mustard and cress, garden pepper cress, pepperwort [...] biennial herb and belongs to the family of Brassicaceae . This plant originates in southern Europe and western Asia and has been domesticated elsewhere. Cress

Cottony cushion scale

countries of the world. It is also periodically discovered in greenhouses in temperate regions, but is not generally a pest in these situations. Damage [...] purchasi , is considered to have originated in Australia. It was accidentally introduced to California in about 1868 and devastated the citrus industry [...] industry there until a natural enemy from Australia was introduced in 1888. This was the first ever example of successful classical biological control. The cottony

Potato

refer to the plant itself or its edible tuber. The plant is an herbaceous perennial and came to Europe from Latin America in the second half of the 16th [...] world’s food supply and many people’s diet. In terms of volume, potato is the fourth-largest food crop in the world, after maize, wheat and rice. Potato [...] Potato plants grow up to some 60 cm tall. Its leaves die after flowering, fruiting and the development of the potatoes. The plant’s flowers vary from white

Apple

apple tree belongs to the rose family and is now cultivated for its fruit all over the world. It is the most common cultivated species of the genus Malus .

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 [...] Diaspis boisduvalii , occurs throughout the tropics, and in greenhouses in more temperate climates. It is very polyphagous and can be a pest of orchids, palms [...] saliva injected while feeding causes necrosis of tissue at the feeding site. In orchids, this scale tends to prefer the leaf midrib and the portion of the

Pine processionary moth

provenances. In general, the integument is darker in colder areas and varies from dull bluish-grey to black. Pupation takes place in the soil in an oval, [...] are clearly visible. Defoliation damage is extremely serious in young reforested areas where it may lead to death of trees, directly or as a consequence of [...] beetles or other wood-boring insects. In mature forests, trees are rarely killed but significant losses occur in volume growth. Defoliation damage and

Mushroom

Agaricus bisporus , is considered safe for most people to eat because it is grown in controlled, sterilized environments. Several varieties of A. bisporus [...] fruiting body of a fungus, typically produced above ground on soil or on its food source. Edible mushrooms are the fleshy and edible fruit bodies of several [...] poisonous effects on humans and desirable taste and aroma. Most mushrooms sold in supermarkets have been commercially grown on mushroom farms. The most popular

Buckthorn-potato aphid

cosmopolitan distribution and is a major pest of potatoes, where it also transmits viruses. It also attacks a large number of other crops, for instance sweet [...] cycle, with both winged and wingless forms of adults and a great variety in colour. In greenhouses, reproduction takes place by parthenogenesis, with unfertilized [...] produced parthenogenetically. They are usually found in the lower parts of the plants and are not very mobile. In autumn, winged males and females are produced

Greenhouse whitefly

retarded. In full sunlight, leaves can wilt and fall. Such leaf damage can in turn influence the development of fruit and lead to a reduction in yield. The [...] makes it sticky. Dirt adheres to the fruit, and the growth of sooty moulds ( Cladosporium spp .) is encouraged, making it unsuitable for sale. In serious [...] vaporariorum ) is one of the major pests of vegetable and ornamental crops in greenhouses throughout the world. The greenhouse whitefly ( Trialeurodes

Mottled arum aphid

cosmopolitan distribution and a wide host range. In temperate climates it is primarily a pest in greenhouses where it attacks many ornamentals , including chr [...] areas of mould covering the leaves can reduce photosynthesis and also result in an unattractive plant with a much lower market value. Neomyzus circumflexus [...] adulthood. With each moult they shed white skin, betraying their presence in the crop. Reproduction of the mottled arum aphid is entirely by parthenogenesis