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Grey mould

Biological control of grey mould

Did you spot grey mould in your ornamentals, fruit crops or vegetable crops? This disease affects a wide range of plants all over the world and is caused by the necrotrophic fungus Botrytis cinerea. Are you ready to take action against this disease with biological control?

What damage can grey mould cause?

  • Typical symptoms of grey mould are lesions covered by grey sporulation
  • In berries, most damage is observed post-harvest. See technical sheet Prestop® 4B or combi pack
  • In tomatoes, grey mould affects mainly stems and leaves. In some cases, fruits can also be damaged
  • In ornamentals, grey mould symptoms can be observed on flowers, leaves and stems

How to prevent grey mould?

For biological control of grey mould, you can rely on the biological fungicide Prestop®. In berries, you can opt for Prestop® 4B with the Flying Doctors® Hive.

What are the characteristics of grey mould?

  • In most cases, airborne spores from the grey mould cause the infection.
  • Spores enter the plant through a wound or senescent tissue.
  • The disease develops and spreads rapidly under humid cloudy conditions and when temperatures are below 20°C.
  • Grey mould also develops at refrigerated temperatures causing post-harvest damages.



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