Research in Plant Disease 2007;13(3):223-227.
Published online December 30, 2007.
지의류 복합체에 의한 매실나무 지의류병
고영진, 김경희, 정인호, 임명택, 박현수, 이규산, 조경연, 허재선
Lichen Diseases on Prunus mume Caused by Colonization of Consortium of Several Crustose Lichens Including Parmotrema autrosinense
Young Jin Koh, Gyoung Hee Kim, In Ho Jeong, Myoung Taek Lim, Hyun Su Park, Gyu San Lee, Kyoung Youn Jo, Jae Seoun Hur
Lichen is a symbiotic association which lichen-forming fungi associate with green algae or cyanobacteria capable of producing food by photosynthesis. Lichen is one of the most widely distributed eukaryotic organisms on every kind of surface of soils, rocks and trees. Lichen-forming fungi commonly colonize on the surface of barks of dead or dying trees, which they use merely as a means of support without parasitizing. Lichen consortium of Parmotrema autrosinense and several crustose lichens heavily colonized on the surface of P. mume in Suncheon, Jeonnam province in Korea. The lichen consortium on the surface of P. mume gave the affected trees a dull gray appearance and suppressed their normal growths. Severely affected twigs or branches resulted in the death when the lichen thalli were not rubbed off the barks of P. mume. Twigs or branches of P. mume were recovered from blight syndrome when the lichen thalli were rubbed off. The recovered twigs or branches became healthy and clean when Tween(R) 20 or thiophanate-methyl paste were treated on the barks of P. mume. This is the first report of lichen diseases on P. mume caused by colonization of consortium of several crustose lichens including P. autrosinense.
Key Words: Lichen, Parmotrema autrosinense, Prunus mume
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