First Report of Carrot red leaf virus and Carrot mottle virus, Causal Agents of Carrot Motley Dwarf, in Carrot in Mauritius.

Carrot motley dwarf (CMD) affects carrot and other apiaceous plants by causing leaf yellowing or reddening as well as plant stunting and leads often to serious economic losses wherever these crops are grown (2). CMD has been reported from Australia, Europe, Japan, Israel, and North America and is known to result from a mixed infection by at least two viruses, the polerovirus, Carrot red leaf virus (CtRLV), and one of the umbraviruses, Carrot mottle virus (CMoV) or Carrot mottle mimic virus (CMoMV). The viruses are transmitted in a circulative persistent manner by aphid species (Cavariella spp.