| 单词 | puccinia | 
| 释义 | Puccinian. Mycology.   A large genus of parasitic basidiomycete fungi of the order  Uredinales, many of which have several hosts and include some serious agricultural and horticultural pests (rusts); (also  puccinia) a fungus of this genus, esp. black stem rust of cereals,  Puccinia graminis, which passes its winter stage on the leaves of barberry. ΘΚΠ the world > plants > particular plants > plants perceived as weeds or harmful plants > poisonous or harmful plants > harmful or parasitic fungi > 			[noun]		 > causing disease in plants > Puccinia Puccinia1800 hollyhock fungus1883 hollyhock disease1898 hollyhock rust1899 1800    J. Hull Elements Bot. II. 294  				Puccinia... Heads conglomerate, cylindrical..closely adhering to the matrix by their tails. 1841    Penny Cycl. XIX. 109/2  				Puccinia, a genus of Fungi well known to farmers under the name of mildew. 1875    A. W. Bennett  & W. T. T. Dyer tr.  J. von Sachs Text-bk. Bot. 247  				This term [sc. Æcidium] is now only used to designate a particular form of fruit in the cycle of development of Puccinia. 1910    G. Massee Dis. Cultiv. Plants & Trees 11  				It was assumed that ‘leaf-rust’ was also the cause of cucumber ‘leaf-blotch,’ due in reality to a totally different fungus (Cercosporis melonis), which is quite as incapable of infesting plum leaves as Puccinia is of infesting cucumber leaves. 1954    Science 15 Oct. 584/2  				Puccinia has a long developmental history and in it there are many evolutionary lines. 2003    Dayton 		(Ohio)	 Daily News 		(Nexis)	 4 Sept.  z1  				It's known as rust to most of us, though pathologists' proper name for the fungus is puccinia. DerivativesΚΠ 1874    M. C. Cooke Fungi 201  				The Æcidium which from the same disc produces the puccinoid resting spores. This entry has been updated (OED Third Edition, September 2007; most recently modified version published online March 2022). < | 
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