First report of Leveillula taurica causing powdery mildew on Tropaeolum majus in Taiwan

Garden nasturtium ( Tropaeolum majus ), belonging to the family Tropaeolaceae, is a widely used ornamental plant. In April 2020, a powdery mildew was observed on garden nasturtium in central Taiwan. Symptoms included angular chlorotic lesions which later became brown and necrotic on both leaf surfac...

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Bibliographic Details
Published in:Journal of general plant pathology : JGPP 2021-07, Vol.87 (4), p.264-268
Main Authors: Xiao, Yi-Ting, Ariyawansa, Hiran A., Wang, Chao-Jen, Huang, Tung-Chin, Shen, Yuan-Min
Format: Article
Language:English
Subjects:
Agriculture
Airborne microorganisms
Biomedical and Life Sciences
Disease Note
Fungi
Gardens & gardening
Leveillula taurica
Life Sciences
Microbiology
Morphology
Ornamental plants
Plant Pathology
Powdery mildew
Tropaeolum majus
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Summary:Garden nasturtium ( Tropaeolum majus ), belonging to the family Tropaeolaceae, is a widely used ornamental plant. In April 2020, a powdery mildew was observed on garden nasturtium in central Taiwan. Symptoms included angular chlorotic lesions which later became brown and necrotic on both leaf surfaces . The fungus was identified as Leveillula taurica s. str. based on the morphology and the molecular analysis of ITS sequence. The powdery mildew was found on both T. majus and sweet pepper in the meantime. This is the first report of L. taurica causing powdery mildew on T. majus in Taiwan.
ISSN:1345-2630
1610-739X
DOI:10.1007/s10327-021-01001-0