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Occurrence - Thirty-eight coconut palms
displaying symptoms indicative of LY disease were sampled in April,
2005 at several locations in Nevis. Immature leaf tissues (leaf bases
adjacent to the apical meristem) and nondestructive (boring with a
bit and braces) samples were collected from disease and healthy
control coconut trees. The disease-associated phytoplasma was
reliably detected in immature tissues and trunk phloem at the onset
of foliar symptoms in palms by PCR. On the basis of the results
obtained from this study, it is clear that LY phytoplasma (16SrIV
group) was found in the samples collected from Nevis. To our
knowledge, this is the first report on lethal yellowing disease in
Nevis. Myrie, WA; Paulraj, L., Dollet, M, Wray, D, Been, BO and
McLaughlin, W (2006) First Report of Lethal Yellowing Disease of
Coconut Palms Caused by Phytoplasma on Nevis Island. Plant Dis.
90:834, 2006; published
on-line as DOI: 10.1094/PD-90-0834A.
Spread - Nevis, where the disease has affected coconut trees islandwide but there was a concentration in the Pinneys area
Currently active areas - Pinneys.
Suspected new outbreaks -
Other palm/plant hosts - Not reported
New hosts, new vectors, new strains or suspected loss of resistance
Research projects - .
Rehabilitation/replanting programmes
Economic importance/threat -
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