Pucciniastrum hydrangeae-petiolaris, a Newly Found Rust Fungus on Hydrangea petiolaris in Korea

Jae Sung Lee1   Young-Joon Choi1,*   Byoung-Ki Choi2   Bok-Nam Jung3   Ji-Hyun Park3   Hyeon-Dong Shin4,*   

1Department of Biology, Kunsan National University, Gunsan 54150, Korea
2Warm-Temperate and Subtropical Forest Research Center, National Institute of Forest Science, Seogwipo 63582, Korea
3Division of Forest Insect Pests and Diseases, National Institute of Forest Science, Seoul 02455, Korea
4Division of Environmental Science and Ecological Engineering, Korea University, Seoul 02841, Korea


Figures & Tables

Fig. 1. occurring on . A, symptoms appeared on the upper surface of affected leaves. B, uredinia formed on the lower surface of an affected leaf. C-E, close-up view of erumpent uredinia. F-H, urediniospores observed under a DIC microscope: Urediniospores focused on outline (F and G), urediniospores focused on ornamentation (H). I-N, uredinium (I and L), urediniospores (J and M), and wall ornamentation of urediniospores (K and N) observed under a scanning electron microscope (SEM).