Jingfeng Zhang¹ , Luchao Bai²

1 Forest Pest Control and Quarantine Station of Xining, Xining, 810000, China
2 College of Agricultural and Animal Husbandry, Qinghai University, Xining, 810016, China
Author    Correspondence author
Molecular Pathogens, 2022, Vol. 13, No. 3   doi: 10.5376/mp.2022.13.0003
Received: 31 Mar., 2022    Accepted: 11 Apr., 2022    Published: 29 Apr., 2022

This article was first published in Molecular Plant Breeding in Chinese, and here was authorized to translate and publish the paper in English under the terms of Creative Commons Attribution License, which permits unrestricted use, distribution, and reproduction in any medium, provided the original work is properly cited.

Zhang J.F., and Bai L.C., Morphological and molecular phylogenetic identification of powdery mildew pathogen in Hylotelephium erythrostictum, Molecular Pathogens, 13(3): 1-5 (doi:10.5376/mp.2022.13.0003)

Hylotelephium erythrostictum has the advantages of high ornamental value, low maintenance price and strong adaptability. It is widely planted in various parks and flower beds in Xining city. In recent years, the plant was infected by powdery mildew, which seriously affected its growth and ornamental value. In order to identify the pathogen of powdery mildew of Hylotelephium erythrostictum, morphological and molecular biological identification of powdery mildew were carried out in this study. The phylogenetic tree constructed based on ITS gene fragment showed that the XNSF1 were clustered into one branch with S. bulbiferum infected by Erysiphe sedi (MK511841), a fungal strain collected from Korea. Therefore, through morphological observation and molecular systematology analysis, powdery mildew on H. erythrostictum were identified as E. sedi. To identify the species of powdery mildew parasitized on H. erythrostictum, and provide a theoretical basis for the study of disease occurrence and control methods.

Hylotelephium erythrostictum; Powdery mildew; ITS; Molecular phylogenetic