Abstract
Loquat, commonly known as Eriobotrya japonica, is a major subtropical fruit from the Rosaceae family that is native to China but also found in most of Europe and Asia, including India. Apple stem grooving virus (ASGV) infecting loquat was detected using leaf samples collected from Himachal Pradesh (India) through DAC-ELISA followed by RT-PCR assays targeting coat protein (CP), movement protein (MP) and replicase (Rep) regions of ASGV genome. Sequencing of RT-PCR amplicons and sequence analyses revealed that CP, MP and Rep sequences of ASGV loquat Indian isolate of the current study shared a maximum of 98-100% nucleotide sequence identities with the corresponding sequences of available ASGV Indian isolates [LN559078, HE978837, MZ127820, MN912568]. Phylogenetic tree based on each sequenced gene confirmed the genetic diversity of ASGV. To the best of our knowledge, and based on review of the literature, this is the first report of ASGV infection in loquat from India.
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