The lethal disease of coconut in Ghana : developing markers and pathogen quantification techniques for the breeding of resistant or tolerant varieties
Yankey, Egya Ndede (2012) The lethal disease of coconut in Ghana : developing markers and pathogen quantification techniques for the breeding of resistant or tolerant varieties. PhD thesis, University of Nottingham.
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 monthly observations of symptoms and PCR diagnosis showed that LD-infection and symptom development occurred all year round.
Actions (Archive Staff Only)