• Grey mould

  the fruit. In potted plants, the cuttings die due to carry-over infection from infected parent plants. Life cycle and appearance of Grey mould Spores of [...] cucumber: remove dead leaves on the stem once, especially in the autumn, because from these leaves the stems are infected, possibly killing the entire plant maintain

• Cutworms

  cutting the stems of young plants. This is where their common name comes from. Cutworms are vey polyphagous and have a wide host range. Damage symptoms [...] phototaxic and feed mostly at night and hide in the ground during the day. Damage from these instars is usually observed as a cutting of young seedlings, often [...] takes place in the ground. Depending on the temperature, the development from egg to adult takes about 40-60 days.

• Silver-Y moth

  that inflicts much damage to agricultural crops, particularly brassicas, from August onward. The silver-Y moth ( Autographa gamma ) feeds on plants of [...] forewings of the silver-Y moth ( Autographa gamma ) have varied markings, from different shades of brown to grey, but the most distinctive feature is the [...] during the day as well as at night, often in large swarms. They fly rapidly from flower to flower, often resting with their wings folded roof-like above the

• Hemispherical scale

  smooth surface distinguish the species from most other soft scales. The size depends on the host plant and can vary from 2 to 4.5 mm. The young nymphs are white

• Bugs

  triangular region of the thorax between the wing bases. This distinguishes them from beetles , which have hard, leathery forewings that meet, but do not overlap [...] growing points with their piercing-sucking mouthparts and extracting nutrients from them, resulting in deformations and puncture holes. The most obvious damage

• May beetle

  Overview May beetles are beetles from the Scarabaeidae family, and are plant-eating species from the Melolonthinae subfamily. Although this subfamily contains [...] in visible water stress and ultimately ending in the death of the plant. From the third stage onwards, the impact of this pest increases. Damage symptoms

• Green peach aphid

  tomato, cucumber and many other greenhouse crops. The aphid may originate from Asia, where its winter-hardy host plant, the peach tree, is native, however [...] subsp. persicae ) is a particularly polyphagous aphid with summer host plants from more than 40 different families. Damage symptoms Of all the aphids , the [...] thus rightfully feared by many growers. Nymphs and adults extract nutrients from the plant and disturb the balance of growth hormones. As a result, the plant’s

• Strawberry aphid

  affecting strawberry plants. Direct damage is caused by the aphids sucking sap from the plant, which reduces the yield and quality of fruit. The leaves do not [...] these aphids disperse to other plants and fields. Winged aphids appear again from October to December.

• Chrysanthemum

  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

• Whitefly

  species of whitefly can be most easily distinguished from each other at the pupal stage. The adult emerges from the hardened cuticle of the pupa through a ch [...] infestation from spreading. Use physical barriers in greenhouses Install insect-proof screens on openings such as vents and doors to prevent whiteflies from entering [...] to the leaves and stunting of growth. They can also transmit plant viruses from one plant to another. Greenhouse whitefly Trialeurodes vaporariorum adult