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 [...] name suggests, grey mould’s ( Botryotinia fuckeliana / Botrytis cinerea ) most common symptoms are grey-brown lesions. The lesions occur on leaves, stems [...] the cuttings die due to carry-over infection from infected parent plants. Life cycle and appearance of Grey mould Spores of grey mould ( Botryotinia fuckeliana