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First report of Fusarium oxysporum causing root rot in Ophiopogon bodinieri in China.

Lu, B. H. ; Wang, Z. ; Yi, G. J. ; Tan, G. W. ; Zeng, F. ; Hu, Z. Y. ; Yi, H. L. ; Xu, M. Y. ; Dita, M. A. ; Li, C. Y.

Plant Disease 2020 Vol 104 No. 4 pp. 1254-1255;

Abstract

Ophiopogon bodinieri is an important ornamental groundcover widely used in urban gardens in southern China. In September 2017, a disease occurred on approximately 20% of O. bodinieri in 9 ha in Guangzhou, Guangdong province, China. Symptoms included etiolation in the leaves, wilt, root rot, and necrotic vascular systems. The causal pathogen was isolated and identified as Fusarium oxysporum based on cultural, morphological, molecular and pathogenicity analyses. The sequences of ITS (accession no. MH752745.1), SSU (accession no. MH752591.1), and EF1α (accession no. MN026924) were deposited in GenBank. This is thought to be the first report of root rot disease of O. bodinieri caused by F. oxysporum in the world. This disease may pose a risk for urban landscapes in China.