Prevalence of pigeonpea sterility mosaic disease in northern parts of Karnataka

P. S.     SIRIL; GURUPAD B.   BALOL; P. R.  SAABALE; REVANAPPA S.  BIRADAR

P. S. SIRIL Department of Plant Pathology, University of Agricultural Sciences, Dharwad - 580 005 Karnataka, India
GURUPAD B. BALOL Department of Plant Pathology, University of Agricultural Sciences, Dharwad - 580 005 Karnataka, India
P. R. SAABALE DICAR -Indian Institute of Pulse Research Rgional Centre, University of Agricultural Sciences, Dharwad - 580 005 Karnataka, India
REVANAPPA S. BIRADAR ICAR -Indian Institute of Pulse Research Rgional Centre, University of Agricultural Sciences, Dharwad - 580 005 Karnataka, India

Keywords: Incidence, Pigeonpea, PPSMV, Sterility mosaic disease, Survey

Abstract

Pigeonpea is an important legume crop with high protein content and nutritional qualities. Sterility mosaicdisease (SMD) caused by Pigeonpea sterility mosaic virus (PPSMV) is one of the most serious diseases that affectspigeonpea and results in a significant yield loss. Infected plants could be easily identified from a far distance as they appeargreen, bushy with complete or partial sterility. A roving survey was carried out to assess the incidence of the PigeonpeaSterility Mosaic Disease in northern parts of Karnataka viz., Bagalkot, Belagavi, Dharwad and Vijayapur districts duringKharif 2021. Among the surveyed districts, severe incidence of SMD was observed in the districts, Bagalkot (25.58 %) andVijayapur (20.38 %), whereas moderate incidence was found in other districts, Belagavi (16.32 %) and Dharwad (6.27 %).The maximum disease incidence of 28.08 per cent was noted in the Jamkhandi taluk, followed by Hunugund taluk in theBagalkot district, with 27.74 per cent incidence. Practices like ratooning, perennially grown pigeonpea plants and growingof susceptible variety/cultivars plays crucial role in the high incidence of sterility mosaic disease