The genus of the family comprises the largest group of geminiviruses. Begomoviruses are transmitted by the whitefly complex () and infect dicotyledonous plants in tropical and subtropical regions. The list of begomoviruses is continuously increasing as a result of improvements in the methods for identification, especially from weed plants, which are considered a source of new viruses and reservoirs of economically important viruses but are often neglected during diversity studies.
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