Pacific Pests and Pathogens Pacific Pests, Pathogens & Weeds - Mini Fact Sheet Edition

Cucumber gummy stem blight (201) Print Fact Sheet


Common Name

Cucumner gummy stem blight, cucubit gummy stem blight, gummy stem blight of cucurbits. See also Watermelon gummy stem blight (Fact Sheet no. 07).

Scientific Name

Stagonosporopsis cucurbitacearum; (previously, Didymella bryoniae). Also known by the asexual state, Phoma cucurbitacearum or Ascochyta cucumis. The later is commonly found on plants in the field producing minute oval spores in round black structures in the leaf called "pycnidia" that are just visible to the naked eye.

AUTHORS Grahame Jackson
Photos 2 Gerald Holmes, California Polytechnic State University at San Luis Obispo,

Produced with support from the Australian Centre for International Agricultural Research under project PC/2010/090: Strengthening integrated crop management research in the Pacific Islands in support of sustainable intensification of high-value crop production, implemented by the University of Queensland and the Secretariat of the Pacific Community.

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