| 单词 | watermark disease | 
| 释义 | > as lemmaswatermark disease   watermark disease  n. a disease of willow trees caused by obstruction of xylem vessels by the bacterium  Brenneria salicis, producing dieback in the crown and stains in the wood, esp. in the cricket-bat willow,  Salix alba var. caerulea. ΘΚΠ the world > plants > disease or injury > 			[noun]		 > type of disease > bacterial diseases root gall1830 soft rot1886 heart rot1891 crown gall1894 bacteriosis1899 watermark disease1924 1924    W. R. Day in  Oxf. Forestry Mem. III. 		(title)	  				The watermark disease of the cricket-bat willow. 1976    Eastern Evening News 		(Norwich)	 9 Dec. 15/4  				This was to cut the cost of services for an inspector on ‘watermark disease’ of willow trees. 2002    M. Sanderson Hist. Univ. E. Anglia xii. 370  				John Turner devised a genetically engineered strain of willow resistant to ‘watermark’ disease. < as lemmas  | 
	
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