Gummy stem blight
Gummy stem blight | |
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A cucumber showing the later stages of gummy stem blight caused by the anamorph Phoma cucurbitacearum | |
Scientific Classification | |
Kingdom: | Fungi |
Phylum: | Ascomycota |
Class: | Dothideomycetes |
Subclass: | Pleosporomycetidae |
Order: | Pleosporales |
Family: | Incertae sedis |
Genus: | Didymella |
Species: | Didymella bryoniae |
Synonyms | |
Gummy stem blight Vine decline |
Gummy stem blight is a disease of Cucurbits cause by two members of the Pleosporales order; Didymella bryoniae and Phoma cucurbitacearum, fungal plant pathogens, which attack mature plants.[1]
Symptoms[edit | edit source]
Lower leaves turn yellow and a sunken brown canker appears at the base of the stem. Black dots develop in the cankered area. Disease may spread to other parts of the stem.[1]
Treatment[edit | edit source]
Lift and destroy badly affected plants.
If the plant is only partially affected; cut out the diseased area.
Chemical[edit | edit source]
Fungicidal sprays are no longer available for treating this disease.
Prevention[edit | edit source]
Sterilise greenhouse and equipment between crops.[1]
Examples[edit | edit source]
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- Error creating thumbnail: Unable to save thumbnail to destination