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The cocoa swollen shoot virus disease (CSSVD) caused by the Cacao swollen shoot virus (CSSV) has for many years been a major constraint to cocoa (Theobroma cacao) production in West Africa. The virus (CSSV) is a member of the Badnavirus (bacilliform DNA virus) genus and is semi-persistently transmitted through the feeding action of several mealybug species (Pseudococcidae, Homoptera). Its severest...
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