黑粉菌属的聚类分析

本文对我国黑粉菌属(Ustilago)51个样本,选取33个形态学和生物学编码性状进行了类平均法的系统聚类分析。根据聚类分析结果,建议将我国黑粉菌属分为3个表观群(Phenons);茭白黑粉菌目前以放在黑粉菌属内为妥;还认为 Ustilago ocrearum 是 Ustilagokoenigiae 的变种;Ustilago kusanoi 是 Ustilago minima 的变种;Us(?)ilago aoenoe 和 Usti-lago nuda 是两个不同种。

CLUSTER ANALYSIS OF THE SPECIES OF THE GENUS USTILAGO

A hierarchical clustering analysis was tried with 51 species-specimen under the genus Ustilago hitherto collected and identified from China by many authors.The result was based on 33 morphological and biological coding characters as well as with group-average method.From the result of the cluster analysis,the 51 species-specimen under Ustilago were divided into 3 phenons.Ustilago esculenta P.Henn.was more reasonable to be kept under this genus,instead of a new one Yenia.Ustilago ocrearum was like to be a variant of Ustilago koenigiae,while Ustilago kusanoi was like to be a variant of Ustilago minima.