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KMID : 0379120160440040377
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Korean Journal of Mycology
2016 Volume.44 No. 4 p.377 ~ p.381
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Flower Bud Chloranthy Disease Caused by Caeoma makinoi on Prunus mume
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Lee Seung-Yeol
Lee Yeon-Hee
Park Su-Jin
Lee Han-Dong
Lee Jae-Jin
Kang In-Kyu
Lee Hyang-Burm
Jung Hee-Young
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Abstract
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Abnormal chloranthy was observed on trees grown in an orchard in Uiseong, Gyeongbuk province, Korea in 2015. Flower buds showing chloranthy were covered with numerous orange-colored sori, which were confirmed to contain spermogonia and aeciospores by stereo microscopy and light microscopy. When observed using scanning electron microscope, the aeciospores were globose, ellipsoid, or ovoid, and measured 22.8~35.6 × 19.8~36.8 μm, with a verrucae wall ornamentation. To construct a phylogeny, the large and small subunit regions of rDNA were sequenced and compared with those of allied species by the maximum likelihood method. The isolated fungus species showed high similarities with (Teleomorph: ), which was previously isolated from in Japan. Therefore, we initially report this fungal agent parasitic on as in Korea and name the disease it causes as “flower bud chloranthy disease”.
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KEYWORD
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Caeoma makinoi, Flower bud chloranthy, Prunus mume, Rust disease
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