• Downy mildew of Cucurbits

  living plant cells. The pathogens continue to grow inside the leaves and after a while new spore-bearing structures are protruding from the stomata. Because

• Encarsia formosa

  adjusted to the particular situation. Start introduction preventively soon after planting of the crop. Introduction rates typically range from 1-10 per m [...] conditions for Encarsia formosa The parasitic wasp Encarsia formosa is most effective at temperatures between 20°C and 25°C (68 and 77°F). At a 24 hours average [...] Encarsia formosa Encarsia formosa is a parasitic wasp renowned for its effectiveness in controlling whitefly populations, particularly the greenhouse whitefly

• Phytoseiulus persimilis

  persimilis Phytoseiulus persimilis is most effective at temperatures between 13 and 27°C (55 and 81°F) and not effective above 30°C/86°F. Phytoseiulus persimilis [...] by predation. Phytoseiulus persimilis is highly specific and is only effective against spider mites that produce a large amount of webbing. It can move [...] web with ease. This has the advantage that an outbreak is quickly and effectively dealt with, but the disadvantage is that it disappears rapidly in the

• Powdery mildew

  dropping leaves that are not infected yet. It depends on the cultivar how soon after infection this happens. In apple, pear, outdoor grown rose and other Rosaceae [...] promotes germination of spores but inhibits spore production, so the net effect of the RH is very small. Wind and draught in greenhouses promote disease

• Bacterial soft rot, bacterial stem rot

  Stem rot is first noticed when plants wilt at the time of first harvest or after that. The pith disintegrates and the stem becomes hollow. Because of the

• Praon volucre

  adjusted to the particular situation. Start introduction preventively soon after planting of the crop. Introduction rates typically range from 0.75-1.5 parasitic [...] strategy for your situation. Best conditions for Praon volucre Aphiscout is effective at temperatures between 16°C/61°F and 30°C/86°F. Behaviour of the parasitic

• Aphelinus abdominalis

  adjusted to the particular situation. Start introduction preventively soon after planting of the crop. Introduction rates typically range from 0.25-4 per [...] use of Aphelinus abdominalis The parasitic wasp Aphelinus abdominalis is effective between 15 and 35°C (59 and 95°F). Behaviour of the parasitic wasp Aphelinus

• Click beetles

  the larvae pupate in the soil in summer. The adults appear about 4 weeks after pupation, but usually remain in the soil until the following spring.

• Isonet T for Tuta absoluta

  April 10, 2019

  strings (see crop picture below) at an application rate of 800-1000/ha. After installation of Isonet T the glasshouse becomes saturated with the pheromone [...] unable to find females for mating, and hence reproduction of the pest effectively does not occur. As such this generally provides excellent control of Tuta

• Trianum-P improves open field pepper production in Portugal

  results obtained with Trianum make Koppert's biological fungicide a safe and effective alternative to pesticides in vegetable crops for the processing industry [...] for the processing industry in Portugal is exported to other countries after undergoing different processes such as freezing or cooking. The main vegetable