• Geranium aphid

  white skin, betraying their presence in the crop. Acyrthosiphon malvae rogersii is holocyclic (i.e. they mate in autumn and produce eggs to overwinter) [...] General Acyrthosiphon malvae rogersii is a pest of strawberry that is widely distributed in northern and western Europe. Damage symptoms Wingless aphids [...] young strawberry foliage, particularly along the petioles. In outdoor strawberries they reach their peak in June. Winged aphids are formed from May onwards

• Effective spider mite control with predatory mites

  human health. Koppert is the pioneer in the development of predatory mite solutions, starting in 1967 with the production of the predatory mite Phytoseiulus [...] Spider mites are among the most destructive pests in horticulture, damaging crops rapidly and thriving in hot, dry conditions. Their resistance to chemical [...] impact on crops Tetranychus urticae ( Two-spotted spider mite ) is the most common species in greenhouse and open-field crops. These pests pierce plant cells

• Downy mildew of Cucurbits

  around 15 o C and the closer the temperature is to this, the shorter the leaf wetness period that is required. Inside the plant, the pathogens produce haustoria [...] brown. On the underside of the leave fluffy growth appears which is first white and later turns grey-brown. This is actually the sporulation of the pathogens [...] through the stomata or directly by penetrating the cuticula. For germination free water is required. For most downy mildews, the optimum temperature is around

• Spidex Vital Plus

  multiply in the sachet and disperse into the crop over a period of several weeks. They pierce the prey with their sucking mouthparts and suck out the contents [...] Carrier Wood-chips. Application Hang sachets in and around spider mite hotspots, in sheltered locations in the crop, not exposed to direct sunlight Sachets [...] already have an exit hole Hold sachets by the cardboard strip at the top, to avoid damaging the predatory mites Dosage The dosage of Spidex Vital Plus depends

• Ulti-Mite: Revolutionising biocontrol with innovative predatory mite sachets

  systems. Since 2016, the Ulti-Mite version of Amblyseius swirskii has been on the market. Nowadays the Ulti-Mite sachet is also available for our predatory [...] prospects The water-resistant foil used for Ulti-Mite opens up new possibilities in outdoor crop protection , such as citrus cultivation. The innovative [...] significant advancement in the packaging of predatory mites , designed to enhance biological pest control across a wide range of crops. In 2016, we introduced

• Pollination under artificial lights

  December 18, 2018

  manager. ‘We have looked at all the features on the hive and give advice on how to enhance the work of our bumblebees in poor (day)light conditions. We hope [...] drop, growers in the higher latitudes of the Northern Hemisphere are paying special attention to their growing lights. High time to focus on the effects this [...] as sharing regular news online and in the mainstream media, is one of Koppert Biological Systems’ core values. The manual which features research results

• Bumblebee pollination

  prolonging the overall pollination Best availability in the market Natupol colonies are available throughout the year and have a short delivery time. The int [...] guarantees maximum pollination . The Natupol system is the result of over 35 years of accumulated expertise coupled to the latest technology – our best bumblebees [...] last longer. The hive design developed over the years helps bumblebees to save 20% of the energy usually spent on cooling and heating the hive. High quality

• Natupol Booster

  After the pollination cycle, once there is no life in the bumblebee colonies, the ‘Beehome’ system should be closed. Remove the plastic liner and the sugar [...] can be placed 4-7 days before the crop starts flowering Distribute the Natupol Boosters evenly throughout the plot. The best position is on a horizontal [...] calm down Open the ventilation openings in the top of the hive during warm weather Remove the white cap before opening the hive Pollination performance and

• Blackcurrant aphid

  spinal stripe. The distal third of the siphunculi is slightly swollen. In spring, the blackcurrant aphid lives on the underside of the young leaves of [...] variety in colour. In greenhouses, reproduction takes place by parthenogenesis, with unfertilized viviparous females continuing to produce new generations [...] each moult they shed white skin, betraying their presence in the crop. Wingless females of the blackcurrant aphid are 1.3-2.6 mm long and pale greenish

• Cottony soft rot

  base and the roots, whereas the ascospores infect the above-ground plant parts. In greenhouses, usually only mycelium is produced by the germinating sclerotia [...] sclerotia. The fungus grows quite rapidly inside the plant and kills the host cells. On the infected plant tissue white, fluffy mycelium occurs with new dark [...] cottony soft rot. In the mycelium, big, dark sclerotia are formed. They can easily be seen with the naked eye and look like rat droppings. The symptoms may