病害の部
Alternaria alternataによるルドベキア黒斑病（新称）およびアサガオ黒斑病（新称）
2010 年 2010 巻 57 号 p. 47-48
詳細
2010 年 2010 巻 57 号 p. 47-48
Leaf spot of coneflower (Rudbeckia spp.) and morning glory (Pharbitis nil) occurred in Ibaraki Prefecture in July and November 2007, respectively. Both causal agents were identified as Alternaria alternata. This is the first report on coneflower and morning glory in Japan.
