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Black spot disease of alstroemeria caused by Alternaria alstroemeriae in Japan
Authors:Naho Yamagishi  Junji Nishikawa  Youichi Oshima  Naoki Eguchi
Affiliation:1.Nagano Nanshin Agricultural Experiment Station,Nagano,Japan;2.Sakata Seed Co.,Kakegawa,Japan;3.Nagano Matsumoto Agricultural Support Center,Nagano,Japan;4.Nagano Agricultural Experiment Station,Nagano,Japan
Abstract:A black spot disease on cultivated alstroemeria was found in Nagano Prefecture, Japan, in January 2008. The causal fungus isolated from the diseased plants was morphologically identified as Alternaria alstroemeriae E.G. Simmons & C.F. Hill. An inoculation test with the isolated fungus demonstrated that the disease is caused by this species. This is the first report of black spot on alstroemeria (kokuhan-byo, in Japanese) caused by A. alstroemeriae in Japan.
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