| 单词 | crown gall |
| 释义 | crown gall (once / 1969886 pages) n WORD FAMILY crown gall USAGE EXAMPLESDamaged vines may be susceptible to crown gall as well, a disease that can eat away at a vine’s nervous system. Washington Post(Aug 20, 2014) “The bacterium Agrobacterium tumefaciens is one of the most common culprits in plant tumors and is the cause of crown gall,” she said. New York Times(Jul 15, 2013) The key was a soil microbe called Agrobacterium tumefaciens, which can inject its own DNA into plants, causing a tumorlike growth called crown gall disease. New York Times(Jun 19, 2013) n a bacterial disease of plants (especially pome and stone fruits and grapes and roses) which forms excrescences on the stem near the ground Hypo|Hyper hairy root a phase of crown gall (especially in apples) during which there is abnormal development of fine fibrous roots plant disease a disease that affects plants |
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