Figure 3: Detection of positive colorimetric IC-RT-LAMP reaction using six visualizing methods (different dyes) (a) magnesium pyrophosphate-based method; (b) SYBR® Premix Ex TaqTM II-based method; (c) hydroxynaphthol blue (HNB)-based method; (d) GeneFinder™ based method; (e) SYBR Green I-based method; (f) ethidium bromide-based method. Left to right: tubes 1-5, PVY 16, PVY 28, PVY 45, PVY 78 and PVY 81, respectively; tube 6 negative sample.