Author:
Aidoo Owusu F.,Ablormeti Fred K.,Ninsin Kodwo D.,Antwi-Agyakwa Akua K.,Osei-Owusu Jonathan,Heve William K.,Dofuor Aboagye K.,Soto Yovanna L.,Edusei George,Osabutey Angelina F.,Sossah Frederick L.,Aryee Clement O.,Alabi Olufemi J.,Sétamou Mamoudou
Abstract
AbstractAs significant threats to global citrus production, Diaphorina citri (Kuwayama; Hemiptera: Psyllidae) and Trioza erytreae (Del Guercio; Hemiptera: Triozidae) have caused considerable losses to citrus trees globally. Diaphorina citri vectors “Candidatus Liberibacter asiaticus” and “Ca. L. americanus”, whereas T. erytreae transmits “Ca. L. africanus” and “Ca. L. asiaticus”, the pathogens responsible for citrus greening disease or Huanglongbing (HLB). Though HLB is a destructive disease of citrus wherever it occurs, information on the occurrence and geographical distribution of its vectors in Africa is limited. In recent surveys to determine if HLB vectors are present in Ghana, we observed eggs, nymphs, and adults of insects suspected to be D. citri and T. erytreae. Using morphological traits and DNA analyses, the identity of the suspected insects was confirmed to be D. citri and T. erytreae. Individuals of D. citri and T. erytreae were examined using qPCR for CLaf, CLam, and CLas, but none of them tested positive for any of the Liberibacter species. Herein we report, for the first time, the presence of D. citri and T. erytreae in Ghana (West Africa). We discuss the implications of this new threat to the citrus industry to formulate appropriate management strategies.
Publisher
Springer Science and Business Media LLC
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