Abstract
AbstractZinnia peruviana (Asteraceae) is an annual flowering plant cultivated in various gardens of Mysore, the south of Karnataka state, India. During 2021, phytoplasma‐like symptoms such as virescence and phyllody were observed on Zinnia in Mysore local gardens. A total of 10 symptomatic and five asymptomatic samples were collected, and the DNA was amplified by PCR using primers specific to 16S RNA and secA genes. The nucleotide sequence analysis showed that the 16S RNA and SecA gene sequences were most similar to those of ‘Ca. P. aurantifolia’, with identities greater than 99%. The phytoplasma sequence from this study shared a common clade with ‘Ca. P. aurantifolia’ when phylogenetic analysis was done. Similarly, the reference sequences for the 16S rRNA and SecA region confirmed the identity of the phytoplasma associated with the leaves of Zinnia. This is the new host record for ‘Ca. P. aurantifolia’ (16SrII‐D) phytoplasma associated with Z. peruviana from India.
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