Swirski-Mite

swirskii is most effective at temperatures between 20 and 32°C (68 and 90°F). It is not effective at temperatures below 18°C/64°F. Amblyseius swirskii is sensitive [...] species and eggs and larvae of whitefly . Crops Do not use in tomato. Mode of action Predatory mites pierce their prey with their sucking mouthparts and suck [...] Airobug Dosage The dosage of Swirski-Mite depends on climate, crop and pest density and should always be adjusted to the particular situation. Start introduction

Potato aphid

euphorbiae ) is of North American origin, but is these days distributed throughout the world. It is a highly polyphagous species with a preference for [...] production. Life cycle and appearance of Potato aphid Aphids have a complex life cycle, with both winged and wingless forms of adults and a great variety in [...] presence in the crop. The adult potato aphid is a large, slender aphid with long, green cornicles, long legs, and a long cauda. Adults are usually green, but

Dwarf bunt

General Tilletia controversa is a plant pathogen. It is a fungus known to cause the smut disease TCK smut in soft white and hard red winter wheats, as well [...] (smut spore) they contain, which is larger than a normal kernel. The bunt balls are grey-brown. They rupture at harvest and release black, powdery spores [...] reach a fraction of their normal height. Spikes are generally broader and the glumes opened wider, than in plants infected with Tilletia tritici and Tilletia

Yellow rose aphid

family Rosaceae and is a pest of strawberries and roses. Damage symptoms The yellow rose aphids usually live in young unfolded leaves. Nymphs and adults extract [...] leaves is reduced, affecting production. The yellow rose aphid is also a vector of several viruses attacking strawberries and roses. Life cycle and appearance [...] plant and disturb the balance of growth hormones. As a result, the plant’s growth is retarded giving rise to deformed leaves. Retarded growth and defoliation

Grey mould

cinerea ) is a commonly found fungus in many environments. It survives in plant parts like bulbs and crop residues or as sclerotia (drought- and cold-resistant [...] infected after abortion and then provide a large amount of inoculum Extra Silicon and/or Calcium nutrition hardens the cell walls and makes it harder for the [...] Botrytis cinerea ) is part of the foot rot complex, which causes rotting of the foot and may cause death of the plants. In cucumber and tomato the fungus

Green peach aphid

peach tree, is native, however it is now a pest with a world-wide distribution. The green peach aphid ( Myzus persicae subsp. persicae ) is a particularly [...] individuals have a brown-black head and thorax and a yellow-green to green or even reddish abdomen. They have a dark brown spot on the abdomen and several transverse [...] tips. Life cycle and appearance of green peach aphid Aphids have a complex life cycle, with both winged and wingless forms of adults and a great variety in

Silver-Y moth

sometimes with a black lateral line. The body has stiff hairs and is usually greenish with a light lateral line. Below the lateral line there is a dark dot on [...] eggs are a greyish white, suffused with a blue-grey in the middle and they have irregular surface ridging. The caterpillars have a small head that is grey-green [...] distinctive feature is the irregular white mark. The hindwings are brown with a broad, dark band along the margin. The body is light brown and hairy, the antennae

Pierce's disease of grapevine

(peaches and plums): In peach, the canopy of infected plants is compact and umbrella-like due to the shorter internodes. The foliage is denser and the leaves [...] the margin and is marked by a chlorotic band. In the beginning, only a few leaves per branch are showing symptoms, but later the growth stops and the plants [...] fastidiosa is a gram-negative bacterium which is limited to xylem tissue. It has many hosts, many of which show minor or no symptoms. More and more plant

Black bean aphid

Aphis fabae , is widespread in temperate regions, where it is a serious economic pest of beans. It is highly polyphagous, and attacks a wide range of other [...] plant. Nymphs and adults extract nutrients from the plant and disturb the balance of growth hormones. As a result, the plant’s growth is retarded giving [...] the leaves is reduced, affecting production. Life cycle and appearance of Black bean aphid Aphids have a complex life cycle, with both winged and wingless

Tobacco aphid

glossy. Winged individuals have a brown-black head and thorax and a reddish abdomen. There is a dark brown spot on the abdomen and several transverse black bands [...] Far East and is a key pest of tobacco crops in both the United States and South America. The tobacco aphid ( Myzus persicae subsp. nicotianae ) is also e [...] aphid Aphids have a complex life cycle, with both winged and wingless forms of adults and a great variety in colour. When reproduction is asexual, the young