Screening for resistance sources and inheritance studies of chilli veinal mottlevirus (ChiVMV) in Byadgi chilli (Capsicum annuum L.)

Authors

  • K C Megharaj UHS, BAGALKOT , University of Horticultural Sciences Bagalkote image/svg+xml Author
  • P S AJJAPPALAVARA Horticultural Research , Indian Institute of Horticultural Research image/svg+xml Author
  • T.B. Allolli University of Horticultural Sciences Bagalkote , University of Horticultural Sciences Bagalkote image/svg+xml Author
  • H.B. Patil Karnataka Folklore University, Haveri , Karnataka Folklore University, Haveri image/svg+xml Author
  • M. Abdul Kareem Society of Extension Education Gujarat , Society of Extension Education Gujarat image/svg+xml Author
  • Revanappa Horticultural Extension Education Unit, Yadgir - 585 201, India , Society of Extension Education Gujarat image/svg+xml Author
  • S Ratnakar Department of Crop improvement and Biotechnology, UHSB-Horticulture Research and Extension Center, Devihosur, Haveri - 581 110, India , Department of Biotechnology image/svg+xml Author
  • M H Tatagar , UHSB-College of Horticulture, Sirsi - 581 401, India , Association for Advancement of Entomology image/svg+xml Author
  • S Raghavendra Department of Biotechnology image/svg+xml Author

DOI:

https://doi.org/10.24154/jhs.v21i1.1936

Keywords:

Capsicum annuum, chilli veinal mottle virus, inheritance, resistance

Abstract

Forty-nine chilli genotypes were evaluated to assess their response to viral diseases under natural and controlled conditions during kharif 2015-16 and 2016-17. The results revealed that the lowest virus incidence was recorded in DCA-295 (16.36%), DCA-107 (17.36%) and DCA-154 (17.86%). During kharif 2016-17, virus identification using molecular detection and indicator plants confirmed the presence of only ChiVMV in kharif transplanted chilli. Screening through mechanical inoculation under controlled conditions revealed that DCA-295, DCA-154 and DCA-107 exhibited immune reactions and were used for inheritance studies. Genetic analysis of advanced F2 and backcross populations indicated that ChiVMV resistance in DCA-295 and DCA-154 was governed by a single recessive gene, whereas, resistance in DCA-107 was controlled by a single dominant gene. The cross Byadgi Dabbi × DCA-107 recorded the highest frequency of transgressive segregants for fruit width (11.97%), number of fruits/plant (12.67%) and yield/plant (8.45%). These resistance sources represent valuable donor parents for developing ChiVMV resistant Byadgi chilli cultivars, and further studies should focus on fine mapping of resistance loci and validation of robust molecular markers for marker assisted selection.

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Author Biographies

  • K C Megharaj, UHS, BAGALKOT, University of Horticultural Sciences Bagalkote

    UHS Bagalkot

  • P S AJJAPPALAVARA, Horticultural Research, Indian Institute of Horticultural Research

    2Horticultural Research and Extension Center, Haveri, Devihosur - 581 110, India

  • T.B. Allolli, University of Horticultural Sciences Bagalkote, University of Horticultural Sciences Bagalkote

    3University of Horticultural Sciences, Bagalkot-587104, Karnataka, India

  • M. Abdul Kareem, Society of Extension Education Gujarat, Society of Extension Education Gujarat

    5Horticulture Extension Education Unit, Yadgir - 585 201, India

  • Revanappa, Horticultural Extension Education Unit, Yadgir - 585 201, India, Society of Extension Education Gujarat

    5Department of Vegetable Science, Horticultural Extension Education Unit, Yadgir - 585 201, India

  • S Ratnakar, Department of Crop improvement and Biotechnology, UHSB-Horticulture Research and Extension Center, Devihosur, Haveri - 581 110, India, Department of Biotechnology

    Department of Crop improvement and Biotechnology, UHSB-Horticulture Research and Extension Center,
    Devihosur, Haveri - 581 110, India

  • M H Tatagar, , UHSB-College of Horticulture, Sirsi - 581 401, India, Association for Advancement of Entomology

    Department of Entomology, UHSB-College of Horticulture, Sirsi - 581 401, India

  • S Raghavendra, Department of Biotechnology

    Department of Biochemistry, UAHSS-College of Agriculture, Shivamogga - 577 204, India

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Published

30-06-2026

Data Availability Statement

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Section

Research Papers

How to Cite

Megharaj, K. C., AJJAPPALAVARA, P. S., Allolli, T., Patil, H., Abdul Kareem, M., Revanappa, Ratnakar, S., Tatagar, M. H., & Raghavendra, S. (2026). Screening for resistance sources and inheritance studies of chilli veinal mottlevirus (ChiVMV) in Byadgi chilli (Capsicum annuum L.). Journal of Horticultural Sciences, 21(1). https://doi.org/10.24154/jhs.v21i1.1936