Abstract
RED-RING disease of coconuts is caused by the nematode Rhadinaphelenchus cocophilus (Cobb 1919) Goodey 1960, which colonizes the stem in a ring 3–5 cm inside the periphery where the fibro-vascular strands are densest, and causes the formation of a distinctive red-orange band in this zone. Characteristic symptoms are yellowing and wilting of leaves.
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References
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GOBERDHAN, L. Possible Presence of a Phytotoxin in Red-ring Infected Trees. Nature 197, 619–620 (1963). https://doi.org/10.1038/197619b0
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DOI: https://doi.org/10.1038/197619b0
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