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Definition of Crown gall
1. Noun. A bacterial disease of plants (especially pome and stone fruits and grapes and roses) which forms excrescences on the stem near the ground.
Definition of Crown gall
1. Noun. A disease of plants caused by infection of soil bacteria of the genus ''Agrobacterium '' ¹
¹ Source: wiktionary.com
Medical Definition of Crown gall
1. Gall or tumour, found in many dicotyledonous plants, caused by the bacterium Agrobacterium tumefaciens. This entry appears with permission from the Dictionary of Cell and Molecular Biology (11 Mar 2008)