The symptoms of rust disease on Rubia cordifolia were investigated during the present study. The diseased symptoms were observed as yellowish-orange powdery mass on the lower surfaces of the leaves. The pathogen causing rust disease on Rubia cordifolia in India was identified as Thekopsora rubiae based on morphological characteristics and molecular analysis using the internal transcribed spacer region (ITS). This study was further explored to understand the taxonomic placement of this fungus from India. Based on available literature, this is the first report of Thekopsora rubiae on Rubia cordifolia in India

Common Madder, Pucciniales, Rust Fungi, Taxonomy, Thekopsora

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