【摘要】 对我国向日葵黑斑病的症状，病原菌的形态作了详细的描述，并回顾了病原菌鉴定及学名变动的历史。明确了我国向日葵黑斑病的学名为Ａｌｔｅｒｎａｒｉａｈｅｌｉａｎｔｈｉ（Ｈａｎｓｆｏｒｄ）Ｔｕｂａｋｉ＆Ｎｉｓｈｉｈａｒａ。同时对Ａ．ｈｅｌｉａｎｔｈｉ和它的相似种Ａ．ｌｅｕｃａｎｔｈｅｍｉ的形态做了比较研究和讨论更多还原

【Abstract】 This paper described full symptoms of Alternaria helianthi on sunflower, forms of the fungus and reviewed its history that the fungus was identified and the scientific name was changed. Its scientific name was Alternaria helianthi (Hansford) Tubaki & Nishihara. This paper also discussed and compared with their forms between A. helianthi and its closed species A. leucanthemi.更多还原