Puccinian.
/pʌkˈsɪnɪə/, U.S. /pəkˈsɪniə/ 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.
Derivatives
ΚΠ
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).
<
n.1800