First report of celery stunt anthracnose caused by <Emphasis Type="Italic">Colletotrichum simmondsii</Emphasis> in Japan |
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| Authors: | Masashi Fujinaga Naho Yamagishi Hideki Ogiso Jun Takeuchi Jouji Moriwaki Toyozo Sato |
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| Institution: | (1) Nagano Vegetable and Ornamental Crops Experiment Station, So-ga, Tokoo, Shiojiri Nagano, 399-6461, Japan;(2) Tokyo Metropolitan Agricultural Forestry Research Center, 3-8-1 Fujimi-cho, Tachikawa Tokyo, 190-0013, Japan;(3) Horticultural Research Institute, Toyama Prefectural Agricultural, Forestry and Fisheries Research Center, Goromaru, Tonami 939-1327, Japan;(4) National Institute of Agrobiological Sciences, Tsukuba Ibaragi, 305-8602, Japan |
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| Abstract: | A new disease was found in Japan, on celery (Apium graveolens var. dulce) having severe chlorotic leaf spot, stunt, and dwarf with leaf curl. A spore suspension from the fungus isolated from affected
plants induced identical symptoms 14 days after plants were sprayed. Identification and molecular characterization showed
that the causal agent is Colletotrichum simmondsii. This report is the first of stunt anthracnose on celery caused by C. simmondsii. We propose the name “stunt anthracnose” for the new disease. Colletotrichum acutatum sensu lato, as reference pathogen of celery anthracnose, should be changed to C. fioriniae based on morphological and molecular characteristics. |
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