Grey mould
es unfavourable for germination, the spores can survive a few days on the plant surface and still germinate when the RH increases, for example when cut [...] Botrytis cinerea ) need moisture (dew, rain, irrigation water) and nutrients for germination. Germination also happens at very high relative humidity (RH > [...] cold storage. Wounds can also provide the fungus with sufficient moisture, for example pruning wounds on the stems of cucumber and tomato. In general, grey