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Observations on Coconut Palms Artificially Infected by the Nematode Rhadinaphelenchus cocophilus (Cobb, 1919) Goodey, 1960

Published online by Cambridge University Press:  18 November 2009

Lincoln Goberdhan
Lincoln Goberdhan
Affiliation:
Trinidad and Tobago Coconut Research Station, Eastern Main Road, Champs Fleurs, Trinidad, W.1.
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Extract

Studies on the symptomatology of red-ring disease were carried out by the author (Goberdhan; 1961) on thirty-two trees at La Forest Estate. It was hoped that from this study, methods for detecting the disease at an early stage would have been developed. If this were possible, then therapeutic treatment might be administered to combat the disease and so save a tree from destruction. From these field observations, it appeared unlikely that very early infection could be detected visually, since infection in the stem was found to be well advanced even when only one or more leaves showed signs of rich, gold, yellowing, typical of the disease. The initial time of infection could not be determined nor could the length of time elapsing between infection and the onset of symptons. It was therefore decided to artificially infect young, and apparently healthy palms, to estimate rate of spread of infection, the length of time from infection to appearance of symptoms, and the possible detection of very early infection.

Type
Research Papers
Information
Journal of Helminthology , Volume 38 , Issue 1-2 , June 1964 , pp. 25 - 30
Copyright
Copyright © Cambridge University Press 1964

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References

Goberdhan, L. C., 1901.—“Studies on the symptomatology of red-ring disease”. Ann. Report. T'dad and Tobago Coconut Research Ltd., “G”, 1–8.Google Scholar
Martyn, E. B., 1953.—“Red Ring Disease of Coconuts in Trinidad and Tobago”. Trop. Ag., 30, 1–3.Google Scholar
Nowell, William, 1923.—“Diseases of Crop Plants in the Lesser Antilles”. West Indian Committee. London. 43–53.Google Scholar