CORKY ROOT
|
Lettuce

SOURCE:
A. van Bruggen
DISEASE:
Corky root
HOST:
Lettuce
(Lactuca sativa)
Initial symptoms of disease are yellow lesions on taproot and main laterals. Greenish brown bands occur around roots. Root pith may become brown and hollow.
PATHOGEN:
Sphingomonas suberifaciens
PATHOGEN SYNONYM:
Rhizomonas suberifaciens