Amazone Plants continues the path of organic cultivation

plants. In the end, everything more or less turned out fine – the plants in 12 cm pots were sold in 14 cm pots in the summer, and the plants in 14 cm pots [...] spring and in the autumn. Wim van der Meer explains, ‘Koppert is involved in a trial in which we are investigating whether Chrysopa eggs are effective at [...] therefore occur in the greenhouse that only become noticeable once the plants are in the hall. Fantastic results with Swirski-LD The main pests are the Western

Buckthorn-potato aphid

and winged forms are produced parthenogenetically. They are usually found in the lower parts of the plants and are not very mobile. In autumn, winged males [...] presence in the crop. Wingless females of the buckthorn- potato aphid are 1.1-2.4 mm long and bright pale green to yellowish green. The antenna are relatively [...] cycle, with both winged and wingless forms of adults and a great variety in colour. In greenhouses, reproduction takes place by parthenogenesis, with unfertilized

Japanese beetle

build up and spread steadily in the US. In Europe, Popillia japonica was for the first time reported in northern Italy in 2014 where official control actions [...] The adults are gregarious, usually beginning to feed on foliage at the top of a plant and working downwards. The larvae are most abundant in well-kept lawns [...] assume a typical C-shaped position in the soil. Newly-hatched grubs are about 1.5 mm long and translucent white. There are three instars. First and second

Potato/tomato psyllid

and causes ‘zebra chip’ in potatoes Indirect damage causes the most harm, since the consequences are wide-ranging and there are no ‘solutions’ or ‘cures’ [...] caused. Psyllids spread purple-top disease in potatoes and permanent yellowing disease in tomatoes, both of which are very harmful to the affected crops. Lifecycle [...] nymphs when feeding, is known as ‘psyllid yellows’, which results in delayed growth, weakness in the new leaves, chlorosis/reddening or purple colouration of

Codling moth

overwinter and pupate in spring. Larvae still in the apples at harvest can often be found in cracks in apple boxes or other places in the store. [...] metallic, bronzy black ocellus on the hind part. The hindwings are brown. The eggs are about 1.3 x 1.0 mm, and whitish opalescent when laid. Later, the [...] several hook-tipped bristles at the tip. In Europe, the first generation adults appear from mid May onwards. Eggs are laid singly on leaves or developing fruitlets

Broad mite

and cyclamen are also affected. Outside in temperate climates, broad mites (Polyphagotarsonemus latus) are not a serious problem, as they are unable to [...] General The broad mite (Polyphagotarsonemus latus) occurs in the tropics and in greenhouses in temperate regions. The broad mite (Polyphagotarsonemus latus) [...] elongated, oval eggs are firmly attached to the surface and are rather large (about 0.07 mm) compared with the subsequent, active stages. They are transparent and

Lyprauta

Keroplatidae) have been associated with root damage in potted orchids, especially in greenhouses in the Netherlands. Dutch farmers call these larvae potworms [...] which are small earthworms of the family Enchytraeidae. Damage symptoms The symptoms are superficial damage on roots. Especially the root tips are affected [...] body. The head is brown or reddish. The pupae are white to yellow and embedded in a dense web. Adult flies are long and slender and have a dark brown head

Northern Corn Rootworm

barberi beetles are between 5–6 mm long and uniformly pale green or yellowish green in colour. They appear in late July and remain in corn fields until [...] Diabrotica sp.) are a devastating pest of cultivated corn in North America, with losses and management expenditures totaling over 1 billion dollars. In Eastern [...] eggs in the soil at the base of corn plants in late summer/early fall and each can lay up to 300 eggs. Northern corn rootworm eggs remain dormant in the

Fall Armyworm

their eggs in clusters of 150-200 and can lay up to 2000 eggs in a lifetime. Eggs are white, pinkish or light green and spherical, and are usually laid [...] hailstorm damage in appearance). Life cycle of the Fall Armyworm Adult moths are 20 to 25 mm long and have a wingspan of 32-38 mm. They are nocturnal and [...] disperse in a radius of about 500 km (300 miles) before oviposition, which is sufficient for them to move from seasonally dry habitats to wet habitats in Central

Orius insidiosus

utilized in integrated pest management (IPM) strategies in various agricultural and horticultural crops worldwide. Both adults and nymphs are voracious [...] insidiosus is available in bottles ( Thripor-I ) Shake bottle gently before use Spread material on clean rock wool slabs, leaves and/or in application boxes [...] boxes ( Dibox ) Apply in groups of at least 50 insects in order to establish a population and encourage mating Make sure the material remains undisturbed at