View source for Pectobacterium carotovorum

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[[File:Pectobacterium_carotovorum_IPM5368312.jpg|250px|thumb|''Pectobacterium carotovorum'' causing bacterial soft rot on cabbage (click on image to enlarge it)<br/>Author(s): Paul Bachi, University of Kentucky Research and Education Center<br/>Source: [http://www.ipmimages.org/browse/detail.cfm?imgnum=5368312 IPM Images]]]
<font color="#800000">'''''Pectobacterium carotovorum'''''</font> (Jones 1901) Waldee 1945<br/>
The bacterium causes important soft rot diseases on many plants ('''bacterial soft rot''') and has a worldwide distribution. Crops affected are, among others, potatoes, carrots, as well as vegetables like onions, ''Brassica'' crops or tomatoes. ''P. carotovorum'' is the type species of the genus ''Pectobacterium''.

Members of this genus produce pectolytic enzymes which distinguish them from the genus ''Erwinia''. These break down the structural substance pectin in the cell walls, leading to cell death and decay of the tissue. The bacterium is Gram-negative, rod-shaped and motile with a size of 1½-2 x 0.5-0.7 µm. Soft rot diseases develop fast, usually within 2-3 days after inoculation. The symptoms are water-soaked lesions and rapid maceration of the plant tissue. Effective bactericides are currently not available and control through resistant varieties is the common approach.
{{VN
|de=Bakteriennaßfäule des Gemüses
|en=bacterial soft rot
|es=podredumbre blanda bacteriana
|fr=pourriture molle de l'endive<br/>pourriture bactérienne des racines de l'artichaut
}}
The strains classified previously as ''Erwinia carotovora'' subsp. ''atroseptica'' which cause potato backleg and tuber soft rot have been assigned to the related species ''[[Pectobacterium atrosepticum]]''. Two subspecies of ''P. carotovorum'' also infects potatoes:<br />
''Pectobacterium carotovorum'' subsp. ''carotovorum''<br />
''Pectobacterium carotovorum'' subsp. ''brasiliense''.


'''Synonyms:'''<br/>
''Erwinia carotovora''

For details see the respective page in [[wikipedia:Pectobacterium carotovorum|Wikipedia]].

<gallery widths=200px caption="Other images of Pectobacterium carotovorum (IPM Images - click to enlarge)">
File:Pectobacterium_carotovorum_IPM5362289.jpg|symptoms on onion
File:Pectobacterium_carotovorum_IPM5361478.jpg|symptoms on onion
File:Pectobacterium_carotovorum_IPM5426860.jpg|causing black leg symptoms on tobacco
</gallery>

[[Category:Pectobacterium (genus)]]