Tomato leaf mould
Tomato Leaf Mould
a tomato leaf showing signs of mould
Scientific Classification
Kingdom: Fungi
Phylum: Ascomycota
Class: Dothideomycetes
Subclass: Dothideomycetidae
Order: Capnodiales
Family: Mycosphaerellaceae
Genus: Mycovellosiella
Species: Mycovellosiella fulva
Cladosporium fulvum Cooke, (1878)

Fulvia fulva (Cooke) Cif., (1954)

Passalora fulva (Cooke) U. Braun & Crous, (2003)

Tomato leaf mould (Mycovellosiella fulva) is a fungal plant pathogen.

Identifying FeaturesEdit

It usually becomes apparent on the lowest tomato leaves from early or midsummer.[1] Purplish brown mould patches appear on the underside of the foliage - the upper surface bears yellowish patches. Lower leaves are attacked first.


Remove some of the lower leaves. Disinfect entire greenhouse. If the problem isn't tackled, tomato yields are lower and the fungus can overwinter in the greenhouse and persist the following year.[1]


Spray infected plants with mancozeb.


Ventilate the greenhouse, especially at night. Avoid splashing plants when watering



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