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Alternaria dianthi : ウィキペディア英語版 | Alternaria dianthi
''Alternaria dianthi'', sometimes known as carnation blight, is a fungal pathogen of the ''Dianthus'' genus.〔Bickerton, J. M., 1943: Alternaria blight of Carnations caused by ''Alternaria dianthi Stevens and Hall''. ''Nature''.〕 ''Alternaria dianthi'' infections begin as small circular or ovular spots on leaves and stems, which can be red, purple, brown, yellow or gray.〔Seung-Hun Yu, Hi-Wan Kang, Hyang-Burm Lee, and Hong-Gi Kim. 1989. Occurrence of Alternaria dianthi on Carnation in Korea. ''Korean Journal of Mycology''. Chungnam National University, Taejon, Korea. Volume 17, Number 4, pp229-232.〕 This pathogen has been found in carnation and other ''Dianthus'' cultures worldwide, including in India,〔Sharma, B. P. 1994. Diseases on carnation: their management. ''Indian Horticulture'', 38(4).〕 the United States,〔 New Zealand,〔Robinson, J. A. (1957). Control of Carnation diseases in New Zealand. ''New Zealand Plants and Gardens'', 2(5), 212-218.〕 the Canary Islands,〔Rodríguez Rodríguez, Juan M. 1980. Ataques de ''Alternaria Dianthi Stevens y Hall'', en cultivos de clavel standard (of ''Alternaria Dianthi Stevens and Hall'', in standard carnation cultivations ). ''Xoba: Revista de Agricultura'', Canary Islands, Spain. Volume 3, Number 4, pp190-194.〕 and Egypt.〔Hilal, A. A., Kamel, B. K. M. 1990. Alternaria blight and rust diseases of carnation and their control. ''Agricultural Research Review'' Vol. 68 No. 3 pp. 543-554〕 Fourteen gene sequences of ''Alternaria dianthi'' have been published as of April 11, 2014〔Alternaria dianthi. Nucleotide database search. National Center for Biotechnology Information. Accessed 11 April 2014.〕 ==Symptoms== ''Alternaria dianthi'' can infect healthy plants, and favors humid, warm environments.〔 The multicolored circular spots can grow to infect entire plants, resulting in wilting or death.〔 These spots tend to be smaller than one centimeter, but can be larger, especially around stems.〔 The cankers formed by ''A. dianthi'' spread through the stomata of leaf cells, and generally lead to yellowing, wilting, and death of the leaves of infected plants.〔Nelson, P. E. 1960. A recent review of carnation diseases. ''Florist's Review.''〕
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