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Specifically, it causes beet vascular necrosis and blackleg of potato and other vegetables (hence the name carotovora – "carrot-eater"), as well as slime flux on many different tree species. [2] Currently, there are four described subspecies of P. carotovorum ( carotovorum , brasiliense , odoriferum , and actinidiae ).
A table beet infected with Pectobacterium carotovorum subsp. betavasculorum.Note the rings of black vascular tissue colonized by the rotting bacteria. Beet vascular necrosis and rot is a soft rot disease caused by the bacterium Pectobacterium carotovorum subsp. betavasculorum, which has also been known as Pectobacterium betavasculorum and Erwinia carotovora subsp. betavasculorum. [1]
The bacteria, Erwinia carotovora or Pectobacterium carotovorum, is gram-negative, anaerobic, rod-shaped and named after the carrot it was first isolated from. Found mostly in tropical, warm regions of the world.
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E. carotovora subsp. carotovora = Pectobacterium carotovorum subsp. carotovorum E. carotovora subsp. atroseptica = Pectobacterium carotovorum subsp. atrosepticum. Carrot bacterial gall Rhizobacter dauci: Carrot bacteriosis Xanthomonas campestris pv. carotae: Crown gall Agrobacterium tumefaciens: Hairy root Agrobacterium rhizogenes: Scab ...
A well-known member of this genus is the species E. amylovora, which causes fire blight on apples, pears, and other Rosaceae crops; E. tracheiphila, though, causes bacterial wilt of cucurbits. Other familiar species, such as E. carotovora (another major cause of plant diseases), are more distantly related to the fire blight bacterium, and have ...
Blackleg of Potato complete plant wilt in field. These plants can sometimes be lost in the canopy. Blackleg is a plant disease of potato caused by pectolytic bacteria that can result in stunting, wilting, chlorosis of leaves, necrosis of several tissues, a decline in yield, and at times the death of the potato plant.
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