First Report of Dragon Fruit (<i>Hylocereus undatus</i>) Anthracnose Caused by <i>Colletotrichum truncatum</i> in China

Abstract

Abstract Anthracnose disease was detected from dragon fruit ( Hylocereus undatus ) at a market of Y uanjiang C ounty, Y unnan P rovince, C hina. The results of pathogenicity test, morphology studies and sequence analyses based on ITS and β‐tubulin loci indicated that the disease was caused by C olletotrichum truncatum . The pathogen produced elliptic, yellow spots with chlorotic halos on the surface of the fruit, and the lesion become depressed gradually. Grey to black acervuli appeared on the lesion surface in concentric circles later. This is the first report of dragon fruit anthracnose caused by this pathogen in China.