云南竹子上的黑痣菌属的两个新种OA
Two new species of Phyllachora on bamboo leaves in Yunnan Province,Southwest China
竹子是禾本科的一大类群.黑痣菌属真菌在竹子上较为常见,然而,竹生黑痣菌物种多样性目前仍缺乏深入研究.本研究通过形态学和分子系统学相结合的方法,报道了采自竹子上的 2 个黑痣菌新种,它们是生于龙竹Dendrocalamus giganteus的龙竹生黑痣Phyllachora dendrocalamicola和生于毛金竹的Phyllostachys nigra var.henonis的毛金竹生黑痣菌Phyllachora phyllostachydicola.龙竹生黑痣菌 P.dendrocalamicola 具椭圆形子囊孢子,大小 13-18×5-8 μm.毛金竹生 P.phyllostachydicola具长卵形子囊孢子,上端圆,下端尖,大小 19-26×7-10 μm.
Bamboos belong to the subfamily Bambusoideae,representing a large group within the family Poaceae.Fungi of the genus Phyllachora are commonly found on bamboos;however,the species diversity of bamboo-inhabiting Phyllachora remains poorly understood.In the present study,two new species of Phyllachora collected from bamboos are described and illustrated using a combination of morphological and molecular phylogenetic approaches.These are Phyllachora dendrocalamicola on Dendrocalamus giganteus,and P.phyllostachydicola on Phyllostachys nigra var.henonis.P.dendrocalamicola possesses ellipsoidal ascospores,measuring 13-18×5-8 μm.P.phyllostachydicola has long-ovate ascospores,rounded at the apex and acute at the base,measuring 19-26×7-10 μm.
李晓玲;郑锦玲;李紫云;赵苑伶;李成云
云南农业职业技术学院,云南 昆明 650212云南农业职业技术学院,云南 昆明 650212云南农业职业技术学院,云南 昆明 650212云南农业职业技术学院,云南 昆明 650212云南农业大学植物保护学院,云南 昆明 650201
分类学竹生黑痣菌专性活体营养寄主专化性
taxonomybambusicolous Phyllachoraobligate biotrophyhost specificity
《菌物学报》 2026 (5)
60-67,8
This work was supported by the Scientific Research Project of Yunnan Provincial Department of Education(2026J1567).
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