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The first report of Curvularia senegalensis causing leaf and floral spots on Zinnia elegans in Sri Lanka

Authors:

K.M.C.S. Bandara,

University of Peradeniya, LK
About K.M.C.S.
Department of Botany
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H.S. Ferdinandez,

University of Sri Jayewardenepura, LK
About H.S.
Department of Botany
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D.S. Manamgoda,

University of Sri Jayewardenepura, LK
About D.S.
Department of Botany
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W.A.M. Daundasekera

University of Peradeniya, LK
About W.A.M.
Department of Botany
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Abstract

Nursery-grown Zinnias (Zinnia elegans) in Peradeniya, Central Province, Sri Lanka showed necrotic, reddish-brown, circular to irregular-shaped, 1-2 mm diameter spots scattered over the leaves and ray florets which developed a whitish center with time. At the advanced stage, the necrotic spots merged, and the whole leaf/flower was infected. The fungus associated with the disease was identified as Curvularia senegalensis based on morphological and molecular data. Inoculated leaves produced necrotic symptoms and subsequent pathogen recovery was confirmed through Koch’s postulates. This study provides the first report of Curvularia senegalensis causing leaf and floral spots on Z. elegans in Sri Lanka.
How to Cite: Bandara, K. M. C. S., Ferdinandez, H. S., Manamgoda, D. S., & Daundasekera, W. A. M. (2022). The first report of Curvularia senegalensis causing leaf and floral spots on Zinnia elegans in Sri Lanka. Ceylon Journal of Science, 51(1), 73–77. DOI: http://doi.org/10.4038/cjs.v51i1.7981
Published on 14 Mar 2022.
Peer Reviewed

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