| 释义 |
blue stain
blue stain n (Forestry) forestry a bluish discoloration of sapwood caused by growth of fungi blue stain
blue stain[′blü ‚stān] (plant pathology) A bluish stain of the sapwood of many trees that is caused by several fungi, especially of the genera Fusarium, Ceratostomella, and Penicillium. blue stainA dark stain in the sapwood of some species of trees, usually caused by a fungus; it does not weaken the wood; also called sap stain. |