Specificity of the LAMP assay for
detection. (A) Detection of Fusarium oxysporum by LAMP assay on the basis of 1.5% agarose gel electrophoresis. M indicates 100 bp DNA marker. (B) Visual inspection of LAMP reaction tubes. Positive reactions turned sky blue after the addition of HNB. 1: Fusarium oxysporum f. sp. ciceris, 2: Fusarium acuminatum, 3: Fusarium udum, 4: Fusarium solani, 5: Rhizoctonia bataticola, 6: Alternaria alternata and 7: Phytophthora cajani.