• Beneficial nematodes

  due to the bacterial infection. Feeding and reproduction: The nematodes feed on the multiplying bacteria and absorb the nutrients released by the bacterial [...] nourishment for the nematodes and supports their reproduction. As the bacterial population within the host insect continues to grow, so do the nematode [...] are essential for the nematode's parasitic strategy. The bacteria quickly multiply, causing septicemia (a lethal blood infection) in the host insect. Bacterial

• Geranium aphid

  malvae rogersii is a pest of strawberry that is widely distributed in northern and western Europe. Damage symptoms Wingless aphids may form large colonies [...] y along the petioles. In outdoor strawberries they reach their peak in June. Winged aphids are formed from May onwards and are responsible for spreading [...] moult they shed white skin, betraying their presence in the crop. Acyrthosiphon malvae rogersii is holocyclic (i.e. they mate in autumn and produce eggs

• Aphidoletes aphidimyza

  settings. The predatory gall midge Aphidoletes aphidimyza is used for the control of the following pests: Aphids Aphidoletes aphidimyza is available at [...] aphidimyza The predatory gall midge Aphidoletes aphidimyza is available in bottle ( Aphidend ). Open the bottle in the greenhouse Place the bottle directly [...] directly on the soil or rockwool slabs or hang it in-between the plants Do not scatter the contents Once emerged, the adult gall-midges will leave the bottle

• General Terms and Conditions of Sale - Koppert UK Ltd.

  means the person specified on the Order Form as the person who accepts a quotation from the Company for the sale of the Goods or whose order for the Goods [...] invoice the Customer for the price at any time after the Company has notified the Customer that the Goods are ready for collection or (as the case may [...] writing between the Customer and the Company. “CONTRACTS” means the contract for the purchase and sale of the Goods. “INSECTS” means the natural enemies

• Apple scab

  wind-dispersed to the fruit trees and will germinate if free water is available. They infect the plant by direct penetration of the cuticula and then grow [...] between the cuticula and the epidermis of the plant cells. This causes lesions, on which conidiophores, structures which carry conidia, are formed which [...] through the cuticula. The asexual conidia are released and repeat the cycle of infection of new plant parts and spore production. In autumn, the fungus

• Glume blotch

  humidity (RH). The optimum temperature for germination of the conidia is between 20 and 25 °C. The ascospores are responsible for wind dispersal of the fungus [...] leaves, but seed transmission is also possible. The germ tubes can infect the leaves of the plants directly or through stomata. The lesions become visible after [...] glumes. In the centre of the lesions, light-coloured translucent pycnidia (fruiting bodies) with new spores occur. The lesions may merge, turning the whole

• Damping-off

  bulbs. At first, the plants recover during the night, but later the plants wilt irreversibly. In potted plants the flower buds fall off. The side roots rot [...] of the root system survives. On the border between air and soil or substrate the plant turns brown. A typical symptom of a Pythium infection is the easy [...] ‘damping-off’, hence the name damping-off disease. In slightly older plants, the leaves lose their turgor or the leaf tips turn yellow, for example in flower

• Encarsia formosa

  natural enemy for farmers and gardeners aiming to reduce the reliance on chemical pesticides. Encarsia formosa is used for the control of the following pests: [...] Koppert products for advice on the best strategy for your situation. Best conditions for Encarsia formosa The parasitic wasp Encarsia formosa is most effective [...] inside the whitefly nymphs, which are then consumed from the inside out by the developing larvae. The larvae feed on the internal tissues of the host, leading

• La Hacienda Fresh increases crop profitability thanks to biological control

  on the quantity and quality of its fruits and the time in which they can be produced and harvested, the price of the fruit in the market and the production [...] also in the number of productive weeks and, therefore, in the profitability of the business. The implementation of a biological control program is one of [...] globally, with the United States, Canada and the United Kingdom being the main destinations for this important solanaceae. This context shows us the high value

• Potato aphid

  General The potato aphid ( Macrosiphum euphorbiae ) is of North American origin, but is these days distributed throughout the world. It is a highly polyphagous [...] 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 [...] quantities of sap to get sufficient protein. The excess sugar is secreted in the form of honeydew, making the crop and its fruit sticky. Black fungal moulds