Plant Disease

Appears as water soaked lesions first then it extends further to these elliptical spots. These unsightly cosmetic lesions make the carrots unmarketable..

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    Gray brown discoloration of vascular tissues and bacterial ooze in potato tuber infected by Ralstonia solanacearum race 3 biovar 2.

     Tuesday, February 9,  2010, St. Paul MN USA


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A History in the Making

 

Potato Zebra Chip Disease Associated with
  a New Psyllid-borne Bacterium

Candidatus liberibacter bacteria have been making headline news in the world of plant pathology. This month’s APSnet feature is a fascinating account of how “striped” potato chips triggered a concerted effort from numerous researchers, leading to important and far-reaching discoveries about this new pathogen group.

— APSnet Features Editor, Gary D. Franc


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