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本文通过对美国进境大豆病害分离,共得到36个菌株,并对其中5株链格孢菌进行了形态学和分子生物学鉴定(其中2株),确认了它们分别是细极链格孢(Alternaria tenuissima(Kunze)Wiltshire)、樱桃链格孢(Alternaria cerasiPotebnia)、苘麻链格孢(Alternaria abutilonis(Speg.)Schwarze)、百日菊链格孢(Al-ternaria zinniaeH.Pape)、落葵链格孢(Alternaria basellaeT.Y.Zhang)。本研究证实了美国大豆中链格孢菌的多样性,不仅充实了正在构建的大豆病害数据库和菌种资源库,也可为港口的植物检疫工作提供借鉴。
In this paper, 36 strains were isolated from the soybean diseases in the United States, and 5 strains of Alternaria were identified by morphology and molecular biology (including 2 strains), which confirmed that they were Alternaria alternata Alternaria tenuissima (Kunze) Wiltshire, Alternaria cerasi Potebnia, Alternaria abutilonis (Speg.) Schwarze, Al-ternaria zinniae HP.ape, Alternaria basellae T.Y. Zhang. This study confirms the diversity of Alternaria solani in the United States, which not only enriches the soybean disease database and strain database under construction, but also provides reference for phytosanitary work in the port.