Fig. 4

Detection of CWB-infected cassava from field-collected samples. (A) LAMP assay detecting cassava gene encoding Actin. (B) LAMP assay (with primer set 2) detecting phytoplasma 16S rDNA. (C) Nested PCR detecting 16S rDNA. M: 1 kb DNA ladder; (−): No DNA template; Lane H1, H2: healthy cassava; W1, W2, W3: CWB-infected cassava