Abstract
During 2018 summer season (April–May), several young (1–3-year-old) arecanut seedlings exhibited yellowing, drying, drooping and wilting symptoms in farmer’s gardens located in Dakshina Kannada district of Karnataka, India. The longitudinal section of the infected seedlings showed extensive decaying of fibrous roots which extended up to the collar region and ultimately resulted in the death of young seedlings. A series of cultural, morphological, molecular characterization using multi-gene phylogeny and pathogenicity assays with Koch’s postulates confirmed the association of Fusarium falciforme (FSSC 3 + 4) as the causal organism of arecanut root decay disease. To the best of our knowledge, the present study confirms the first report of root decay disease caused by F. falciforme in arecanut.
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Acknowledgements
The authors are thankful to the Director, Indian Council of Agricultural Research—Central Plantation Crops Research Institute, Kasaragod, for providing the funding to carry out the research activities. The senior author is thankful to the farmers who allowed destructive sampling of infected seedlings.
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Pandian, R.T.P., Thube, S.H., Merin, B. et al. First record of Fusarium falciforme (FSSC 3 + 4) a relevant human pathogen causing root decay of arecanut, Areca catechu L. J Plant Dis Prot 129, 695–699 (2022). https://doi.org/10.1007/s41348-022-00581-z
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DOI: https://doi.org/10.1007/s41348-022-00581-z