Early blight

during harvest (in potato and carrot). Post-harvest storage at 0-1 o C. A. brassicae and A. brassicicola : adjust the sowing date to avoid conditions conducive [...] occur on leaves. Those spots then turn into dark brown angular lesions with a yellow halo restricted by leaf veins. Lesions can easily rupture. Other symptoms [...] 2-4 °C up to 28-30 °C (optimum temperatures lie between 15 and 28 °C) and at a relative humidity (RH) of over 90% or when the leaves are wet. Small differences

Swirski-Mite

per m2/release. Releases should be repeated if necessary. Consult a Koppert advisor or a recognized distributor of Koppert products for advice on the best [...] Diboxes Make sure the material remains on the introduction site for at least a few hours after introduction Can also be applied with Natutec Airobreez , Natutec

Natutec Airobug

revolving dosage pots ensures a uniform release of carrier material containing natural enemies. The airflow from the fan guarantees a uniform distribution of [...] of this material up to a distance of at least 10 metres from the Airobug. Product components The Airobug is available for mono-rail or pipe-rail and consists [...] mixing pots Batteries (24V) with charger The Airobug for mono-rail includes a lift to attach the blowing device onto the rail Volume of dosing pot/drum 3

Crazy roots, hairy roots, crown gall

seems to be caused by a change in the hormonal system of the plant resulting from the Rhizobium infection. Rhizobium rhizogenes puts a Ri-plasmid in the plant [...] tissue and causes a genetic change in the plant. How to prevent Crazy roots, hairy roots, crown gall Use clean propagation material Use a strict hygiene protocol

Quad

per crop and depends on environmental conditions. Always consult a Koppert advisor or a recognized distributor of Koppert products for advice on the best [...] One hive containing 4 separate extra large colonies of bumblebees including a queen, workers, brood and sugar water. Downloads Directions for use Application [...] Position the Quad hives evenly througout the plot. The best position is on a horizontal platform just above the ground Wait at least for half an hour after

Thripex-Plus

be repeated after 4 weeks if the pest is not controlled. Consult a Koppert advisor or a recognized distributor of Koppert products for advice on the best [...] action Predatory mites multiply in the sachet and disperse into the crop over a period of several weeks. They pierce the prey with their sucking mouthparts

Natutec Mini-Airbug

revolving dosing pot ensures a uniform release of carrier material containing natural enemies. The airflow from the fan guarantees a uniform distribution of [...] of this material up to a distance of at least 2 metres from the Mini-Airbug. Product components The Mini-Airbug consists of the following components: Blowing [...] Mini-Airbug is also available for use on trolleys and is then delivered with a converter Volume of dosing pot/drum 1.5 litres. Range 2-3 metres (depending

Bacterial canker of tomato

disinfect tools and greenhouse structures Use a crop rotation in field crops of at least two years and alternate with a non-host crop Apply deep-ploughing to stimulate [...] General Clavibacter is a quarantine organism in Europe, which means that strong efforts are used to prevent the bacterium from entering. When the occasional [...] entirely or, if the crop is old, only the plants in the infected area, with a substantial buffer zone. Replanting can only take place after thorough disinfection

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Phytophthora blight

and white fluffy fungal growth on the leaves. The centre is grey-brown with a light-green edge. On the stem, elongated brown lesions occur, usually circling [...] blueish lesions appear, that can be seen through the skin. The Great Famine was a period of mass starvation caused by this disease which ravaged potato crops [...] the plant surface and new sporangiophores (structures containing sporangia, a type of spores) with sporangia are formed that protrude through the stomata