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Phoma, or stem canker

Posted Apr 01 2009 12:37pm

      Phoma, or stem canker, is a fungal disease (Latin name  Leptosphaeria maculans )which can cause significant crop  losses in winter broccoli and other brassicas in epidemic years.

fungus-attacks-broccoli

fungus-attacks-broccoli

Initial infections are caused by fungal spores which infect the young
leaves of the recently emerged crop to form phoma leaf lesions.

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