| 单词 | nectria | 
| 释义 | Nectrian. Mycology.   A genus of ascomycete fungi (family  Hypocreaceae) mostly having brightly-coloured (red or yellow) fruiting bodies and including a number of plant pathogens, esp.  N. galligena, which causes apple canker; (also  nectria) a fungus of this genus. ΚΠ 1866    J. Lindley  & T. Moore Treasury Bot. II. 780/2  				Nectria, a genus of ascomycetous Fungi closely allied to Sphæria, and comprising all the species which have naked bright-coloured perithecia. 1883    Amer. Naturalist 17 873  				Of Pyrenomycetes there are of the principal genera as follows:..Nectria 16 [species]. 1918    W. H. Rankin Man. Tree Dis. xxv. 230 		(caption)	  				Cross and longitudinal sections through a Nectria canker on maple. 1937    H. Gwynne-Vaughan  & B. F. Barnes Struct. & Devel. Fungi 		(ed. 2)	 247  				In Nectria..the usually red or yellow perithecia are produced on a fleshy stroma of the same colour. 1977    J. L. Harper Population Biol. Plants xii. 399  				Three primary causes of death could be recognised among aspen populations: the fungi Hypoxylon and Nectria and insect borers. 1982    Jrnl. Appl. Ecol. 19 605  				Delicious was the cultivar most susceptible to innoculation of Nectria spores. 1990    Plants & Gardens Autumn 14/1  				S. scalaris seems rather sensitive to drought and frequently suffers dieback and infection with coral spot fungus (Nectria spp). This is a new entry (OED Third Edition, September 2003; most recently modified version published online March 2022). <  | 
	
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