• Apple scab

  s this increases to 12-28 hours of leaf wetness for successful infection. Conidia also need water for germination. How to prevent Apple scab Use resistant [...] population as well as macro-organisms like earth worms are not harmed by for example application of compounds against stem canker, since they help in

• Phytophthora blight

  temperatures between 15 and 23 °C and higher water content than is optimal for crop growth. Phytophthora overwinters in roots, infected tubers and bulbs [...] either by germinating sporangia or by zoospores produced in the sporangia. For germination on above-ground plant parts, leaf wetness is required. Dispersal [...] the water content of the soil or substrate is higher than normal or optimal for crop growth. How to prevent Phytophthora blight Apply hygiene measures, like

• Bacterial canker of tomato

  Solaneceaous crops can be planted for five years. On other fields on the same farm, no seed potatoes can be grown for one year after infection. Damage symptoms [...] seedlings by touching the plants in greenhouse crops and by water in field crops, for example through splashes of rain or irrigation. Both in greenhouses and in

• Downy mildew of Cucurbits

  the stomata or directly by penetrating the cuticula. For germination free water is required. For most downy mildews, the optimum temperature is around

• Bacterial soft rot, bacterial stem rot

  carotovora or Pectobacterium carovora infects plants through fresh wounds, for example pruning wounds. It cannot infect healthy green leaves, but can grow [...] petiole to the main stem through the xylem vessels. High humidity is required for disease development. Erwinia carotovora subsp. carotovora or Pectobacterium

• Early blight

  infection of the leaves. Survival can be several years, up to eight years for several Alternaria spp. Typically, Alternaria causes early blight of potato [...] Alternaria solani can spread to the flowers (especially dangerous in crops for seed production) and to the crown. Sporulation of Alternaria occurs at te

• Wheat bunt

  Soil moisture between field capacity and permanent wilting point is best for infection. How to prevent Wheat bunt Use resistant cultivars. However, the [...] Triticum controversa mostly attacks the 2-3 leaf stage, this is less effective for this fungus Prevent plant diseases by optimizing plant potential and crop

• Black root rot of cucurbits

  Phomopsis sclerotioides forms sclerotia which can survive adverse conditions for years in the soil, but little else is known about the life cycle. The fungus [...] air and soil particles. How to prevent Black root rot of cucurbits Test for the presence of Phomopsis sclerotioides with molecular tools before planting

• Limonica: breakthrough in large-scale production of a complex predatory mite

  October 6, 2025

  Limonica on a large scale.” The importance of patents for innovation and reliability Tom Groot, responsible for the patent process, emphasizes why Koppert has [...] patents. “The patent is not only legal protection, but also a key requirement for innovation. Without the exclusive right, we would not have been able to follow

• Transforming crop protection: the rise of predatory mites

  September 8, 2025

  A passion for insects – and a new beginning in Almeria After studying biology in Granada with a focus on entomology, José moved to Almeria for family reasons [...] and Orius . It was a turning point. “For the first time, predatory mites offered a working, scalable solution for growers - and it triggered a real shift [...] greenhouse agriculture and a new world of crop pests. It was the perfect setting for someone eager to apply scientific curiosity to real-world agricultural challenges