• Shallot aphid

  adults and a great variety in colour. In greenhouses, reproduction takes place by parthenogenesis, with unfertilized viviparous females continuing to produce

• Rose aphid

  adults and a great variety in colour. In greenhouses, reproduction takes place by parthenogenesis, with unfertilized viviparous females continuing to produce [...] up on roses in spring and summer; sometimes shoots are completely covered by aphids. In summer, winged aphids spread the infestation to other rose plants [...] present on rose bushes throughout autumn until their development is hampered by cold weather. In heated greenhouses they can be present year-round.

• Geranium aphid

  adults and a great variety in colour. In greenhouses, reproduction takes place by parthenogenesis, with unfertilized viviparous females continuing to produce

• Long-tailed mealybug

  growth and causing deformation and / or yellowing of leaves, sometimes followed by defoliation. The overall effect is a reduction of photosynthesis and therefore [...] appearance of long-tailed mealybug The long-tailed mealy bug is easily recognized by the long, posterior tail filaments, which are at least the length of the body

• Blueberry aphid

  adults and a great variety in colour. In greenhouses, reproduction takes place by parthenogenesis, with unfertilized viviparous females continuing to produce

• Tomato russet mite

  Solanaceae may be affected to a lesser extent. Damage symptoms Damage is caused by the mites sucking out the contents of plant cells. Affected leaves are slightly

• Wheat bunt

  bunt, stinking smut, karnal bunt of wheat. Damage symptoms Plantsinfected by Tilletia tritici and Tilletia laevis are hard to distinguish from infected [...] still above 15°C at the critical first 11 days reduces the risk of infection by Triticum tritici and Triticum laevis . Since Triticum controversa mostly attacks [...] leaf stage, this is less effective for this fungus Prevent plant diseases by optimizing plant potential and crop resilience.

• Black root rot of cucurbits

  whereas at 10 °C the lesions are light-brown. The lesions can be enclosed by pseudostromata: dark coloured tissue that looks like black stripes. The disease [...] soil, but little else is known about the life cycle. The fungus is dispersed by water, air and soil particles. How to prevent Black root rot of cucurbits [...] annually Disinfect nutrient solution and irrigation water Prevent plant diseases by optimizing plant potential and crop resilience.

• Buckthorn-potato aphid

  gerbera and worldwide distribution. Damage symptoms Direct damage, caused by sucking of sap is rarely seen. Sometimes, large populations build up on potatoes [...] adults and a great variety in colour. In greenhouses, reproduction takes place by parthenogenesis, with unfertilized viviparous females continuing to produce

• Black tea thrips

  The eggs are white and banana-shaped and are inserted singly in plant tissue by the females. The early larval stage is whitish with red eyes. Larvae become