SEMINAR: Viral disease epidemics in cassava in sub Saharan Africa - Understanding the whitefly and cassava bagomovirus
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Viral disease epidemics in cassava in sub Saharan Africa - Understanding the whitefly and cassava bagomovirus : A seminar by two visiting scholars funded by the Bill and Melinda Gates Foundation - Joseph Ndgunguru and Peter Sseruwagi from the Mikocheni Agricultural Research Institute in Dar es Salam. |
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In this seminar, two highly esteemed researchers Dr Joseph Ndunguru and Dr Peter Sseruwagi from the Mikocheni Agricultural Research Institute, Tanzania will describe their work on the Cassava mosaic begomoviruses and whitefly which cause and carry the destructive cassava mosaic disease (CMD), costing Africa an estimated USD1.9-2.7 billion annually.
Dr Ndunguru will report on the discovery of two novel DNAs, designated DNA-II and DNA-III, that contribute to the etiology of CMD and are widespread in cassava (Manihot esculenta Crantz).
These findings have implications for the control of CMD, geminiviruses generally, and the origin and evolution of geminivirus sequences.
Dr Peter Sseruwagi will discuss the whitefly B. Tabaci which is the major vector of cassava mosaic begomoviruses (CMBs) and cassava brown streak viruses (CBSVs); the causative agents of cassava mosaic disease (CMD) and cassava brown streak disease (CBSD), respectively.
African governments have initiated programs to monitor the spread of CMD and CBSD and enforce mitigation measures. However, limited research has been conducted to establish the role of the B. tabaci species associated with the two diseases.
His presentation will discuss the impact of whitefly and whitefly-transmitted virus (WTV) problems in smallholder cassava farmer crops in SSA, and efforts and opportunities for their mitigation.
Go to www.ioa.uwa.edu.au/events/register to RSVP.
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