First Report of Root Rot Caused by Phytophthora acerina on Metasequoia glyptostroboides in China
Duan-chong Liu, Wen-xia Zhao, Jian-ping Xia, San-shan Cai, Wenxia Huai, Ru-bin Zhang, Bin Li
Published Online: Plant Disease, 8 Feb 2022
Metasequoia glyptostroboides Hu & W. C. Cheng (Taxodiaceae), commonly called the Chinese redwood or dawn redwood, is a well-known "living fossil" and rare relict plant species endemic to China, which has been successfully cultivated throughout the world (Ma 2007). In July to September 2020, trees of Chinese redwood which were more than thirty years-old, showed symptoms of decline and death associated with branch dieback, root and collar rot (Fig. 1) in Yangtze River shelter-forests of Jiangling County in Hubei Province, China (112°15′19″E, 30°11′56″N; 40m)...