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Stevia leaf spot is present in stevia production fields in Chiang Mai, Thailand. The disease was characterized by distinct lesions with angular chlorotic halos that result in defoliation. Based on morphological characters and sequence analysis of the rDNA internal transcribed spacers (ITS1‐5.8S‐ITS2 = ITS), rDNA 28S subunit (LSU) and RNA polymerase II second largest subunit (RPB2) genes, the pathogen...
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