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The Lethal Disease of Coconut in Ghana
ABSTRACT Lethal diseases (LD) of coconut caused by phytoplasmas have destroyed millions of palms globally and pose a serious threat to the coconut industry in Ghana. This study investigated the genetic basis of resistance/tolerance of coconut varieties and hybrids to LD. The study was also aimed at developing molecular markers for cultivar verification to be used for the sustainable breeding of high value varieties and hybrids. Using PCR diagnosis and monitoring of symptoms of LD over a three year period, the study determined that escapee palms of the West African Tall ecotype (WAT) found in LD-devastated fields die once infected and do not represent resistant/tolerant sub-populations. Six m...
Phytoplasmas: Plant Pathogenic Bacteria - I
Phytoplasma-associated diseases are a major limiting factor to quality and productivity of many ornamentals, horticultural and other economically important agriculture crops worldwide. Annual losses due to phytoplasma diseases in many crops vary, but under the pathogen favorable conditions they always lead to disastrous consequences to farming community. As there is no effective cure for phytoplasma diseases, the management options emphasize on their exclusion, minimizing their spread by insect vectors and propagation materials and on development of host plant resistance. The phytoplasma associated plant diseases have a history of more than 50 years. Phytoplasmas have undoubtedly infected pl...
The Yankey in London
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The Yankey in London
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The Yankey in London
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