sentences:  These strains are the "Beet severe curly top virus" (BSCTV) and "Beet mild curly top virus" (BMCTV).So far, the methods of transmission for all three strains seem to be the same.In order to understand the movement of the MBCTV inside its hosts, experiments have been conducted using PCR analysis which allow for the detection and quantification of MBCTV particles inside leafhoppers.