Association of Spirea Stunt Phytoplasma with a Disease of <i>Spiraea</i> spp. in Minnesota

Fig. 2. PCR detection of spirea stunt phytoplasma in spireas using the primer pair SpPP-F/SpPP-R. Figure shows 505 bp amplicon obtained from Spirea japonica ‘Little Princess’ (lane 2), ‘Norman’ (lane 3), ‘Daphne’ (lane 4), ‘Little Elf’ (lane 5) and S. × bumalda ‘Anthony Waterer’ (lane 6). Lane 1: asymptomatic ‘Little Princess’ control, 100 bp DNA ladder at left.



Image from Plant Health Progress article:
Association of Spirea Stunt Phytoplasma with a Disease of Spiraea spp. in Minnesota