采用石蜡切片技术结合番红-固绿双染及番红-固绿-龙胆紫三染对受真菌侵染的仙客来的块茎内生真菌分布进行观察。结果表明,真菌主要分布在仙客来块茎的皮层和维管束中,其中维管束中真菌分布最多;真菌侵染块茎的主要途径是通过不定根的表皮进行侵染。 The distribution of endophytic fungi in tuber of cyclamen infected by fungi was observed by paraffin section technique combined with safranin-solid green double dye and safranin-solid green-gentian violet tri-dye. The results showed that the fungi were mainly distributed in the cortex and vascular bundles of cyclamen tubers, of which the most fungi were distributed in the vascular bundles. The main pathways of fungi infecting the tubers were infestation by adventitious epidermis.