Database of Plant Diseases in Japan

Details of Welsh onion, Spring onion Alternaria leaf spot, Purple blotch
Host plant
  • Welsh onion, Spring onion
Disease nameAlternaria leaf spot, Purple blotch
Disease name (Japanese)
  • 黒斑病 [kokuhan-byo]
Pathogen/Cause
  • Alternaria porri (Ellis) Ciferri
Pathogen/Cause (synonym)
  • Macrosporium porri Ellis
References
  • 吉井 甫:病虫雑 16(8):466, 1929(昭4)
Related strains16 strains
Related hosts46 plants
External website
  • The information on this page is based on the Common Names of Plant Diseases in Japan compiled by the Phytopathological Society of Japan.
  • The microbial strains linked from this database have not necessarily been confirmed as pathogenic.
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