| 释义 |
exo·cor·tis
\ˌeksəˈkȯrd.ə̇s\ noun
(-es)
Etymology: International Scientific Vocabulary exo- + -cortis (irregular from cortex)
: a disease of oranges that is especially important in trees grafted on trifoliate stock, is characterized by peeling of the outer bark in narrow dry strips and by dwarfing of the tree, and is caused prob. by either a virus or a genetic factor |