Aphids

ornamental crops, e.g. begonia. Aphids life cycle Aphids damage Depending on the species, aphids can inflict various types of damage to a crop: Nymphs and [...] sustainability. Solutions for aphid control Learn more about What are aphids? Aphids form a single, very large group of insects: the super- family Aphidoidea [...] (PVY) is transmitted by aphids in tomato in this way, as is the cucumber mosaic virus (CMV) in cucumber. Aphid control videos Take a look at the video

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 [...] 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 [...] 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

Cotton aphid

for market. At the same time, photosynthesis in the leaves is reduced, affecting production. Life cycle and appearance of Cotton aphid Aphids have a complex [...] General The cotton aphid ( Aphis gossypii ) is an extremely polyphagous aphid found on more than 700 plant species. Crop plants attacked by this aphid include [...] protein content. Aphids therefore need to extract large quantities of sap to get sufficient protein. The excess sugar is secreted in the form of honeydew, making

Oleander aphid

bright yellow aphids can easily be seen on the shoots of the host plants. The damage caused by the aphid colonies is mainly aesthetic due to the large amounts [...] infestation throughout the year can lead to stunted plant growth. Life cycle and appearance of Oleander aphid The oleander aphid is an obligate parthenogenetic [...] rather than eggs and that the progeny are clones of the adult female. The nymphs feed in colonies on the shoots at the top of the plant. Nymphs progress through

Rose aphid

sooty moulds develop. Life cycle and appearance of Rose aphid Aphids have a complex life cycle, with both winged and wingless forms of adults and a great [...] females of the rose aphid are 1.7-3.6 mm long and green or deep pink to red-brown. The antennae and sometimes the head is dark in colour. The siphunculi [...] General The rose aphid, Macrosiphum rosae , is a serious and often abundant pest of roses. It is virtually cosmopolitan and widely spread in Europe. Damage

Potato aphid

for market. At the same time, photosynthesis in the leaves is reduced, affecting production. Life cycle and appearance of Potato aphid Aphids have a complex [...] characteristic of the potato aphid and is particularly visible in the nymphs. Immatures have a light dusting of whitish-grey wax. The aphids instantly fall [...] General The potato aphid ( Macrosiphum euphorbiae ) is of North American origin, but is these days distributed throughout the world. It is a highly polyphagous

Amazone Plants continues the path of organic cultivation

are at the top end of the market. Biological plant protection is an additional pillar that supports this position. ‘This type of plant protection is a godsend [...] strong population in the greenhouse crop and control of the thrips is maintained at the right level. The method works fine in this automated production system [...] according to Lex Scheffers, is very effective. The predatory soil mite and thrips predator Macro-Mite is also used to combat the eggs of the Duponchelia moth. Pheromone

Glasshouse potato aphid

deformations in the growing tip of the plant. Precisely where the plant is pierced is unimportant. The piercing of the lower leaves in the crop can cause [...] produced) lifecycles. There is no alternation of hosts, and the two types of life cycles occur on the same host plant. The aphid can overwinter not only in [...] followed by defoliation. Life cycle Glasshouse potato aphid Aphids have a complex life cycle, with both winged and wingless forms of adults and a great variety

Green peach aphid

malformations of the growing tips. Life cycle and appearance of green peach aphid Aphids have a complex life cycle, with both winged and wingless forms of adults [...] families. Damage symptoms Of all the aphids , the peach potato aphid ( Myzus persicae subsp. persicae ) is the most important vector of viral diseases. It can [...] a result, the plant’s growth is retarded giving rise to deformed leaves or, if the infestation occurs early enough in the season, the death of young plants

Woolly apple aphid

apple aphid In contrast to other aphids , the life cycle and survival from year to year of the woolly aphid depends entirely on wingless, parthenogenetic [...] females of the woolly aphid are 1.2-2.6 mm long, purplish brown and covered by masses of white, mealy wax. The siphunculi are pore-like and the cauda is small [...] General The woolly aphid, Eriosoma lanigerum , is a serious worldwide apple pest. It is probably of North American origin and has been distributed to other