Grey mould

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Botryotinia
Grey mould
Tomato Grey Mould Botrytis.jpg
Grey mould on tomato fruit
Scientific Classification
Kingdom: Fungi
Phylum: Ascomycota
Subphylum: Pezizomycotina
Class: Leotiomycetes
Order: Helotiales
Family: Sclerotiniaceae
Genus: Botryotinia
Species: Botrytis cinerea and Botrytis fabae

Grey mould or gray mold (Botrytis cinerea) is a fungal pathogen of plants with a wide variety of hosts. B. cinerea is also a cause of damping off in seedlings.

Identifying Features[edit]

Grey mould usually starts on a damaged area of stem. Other parts of the plant may then be infected - diseased flower stalks cause fruit drop.

Treatment[edit]

Cut out diseased areas and remove all rotting parts.

Prevention[edit]

Reduce humidity by adequate ventilation and avoid overcrowding. Remove decaying leaves and fruit. No systemic sprays are available.

Examples[edit]

References[edit]