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Disease incidence and molecular indexing of viruses infecting King chilli (Capsicum chinense Jacq) in North East India

  • Ng. Tombisana Meetei
  • Amit Kumar Singh
  • Brijesh Kumar Singh
  • Nirmal MandalEmail author
Research Article
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Abstract

A survey was conducted in King chilli growing areas of four Northeast states of India namely, Assam, Nagaland, Manipur and Meghalaya for virus disease incidence particularly Cucumber mosaic virus (CMV), Chilli veinal mottle virus (ChiVMV) and Chilli leaf curl virus (ChiLCV). The virus disease incidence based on symptomatology ranged from 15 to 65% with highest incidence recorded in Golaghat district of Assam and lowest in the Ukhrul district of Manipur. The polymerase chain reaction based detection using coat protein gene specific primers for the three viruses revealed the presence of CMV and ChiVMV in all the four states whereas ChiLCV was recorded only in one location from Assam. In two of the samples collected for CMV and ChiVMV, mixed infection of the two viruses was confirmed. Based on molecular method based detection, the incidence of CMV infection in King chilli among all the samples tested for the virus was 32.5% whereas it was 25.97% for ChiVMV.

Keywords

Cucumber mosaic virus King chilli Viruses Symptomatology Molecular detection 

Notes

Acknowledgements

Authors acknowledge the laboratory as well as library assistance from BCKV, West Bengal. We further are thankful to the reviewers and the editor of the article for their critical comments and suggestions on the manuscript.

Author contributions

N TM, AKS, and NM conceived the idea, surveyed the literature and designed the experiment. NTM performed the experiment and BKS helped and assisted in experimentation. All the authors contributed in writing the manuscript and accept the final version.

Compliance with ethical standards

Conflicts of interest

All the authors declared no conflicts of interest.

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Copyright information

© Indian Phytopathological Society 2019

Authors and Affiliations

  • Ng. Tombisana Meetei
    • 1
    • 2
  • Amit Kumar Singh
    • 1
    • 3
  • Brijesh Kumar Singh
    • 3
  • Nirmal Mandal
    • 1
    Email author
  1. 1.Department of Agricultural Biotechnology, Faculty of AgricultureBidhan Chandra Krishi ViswavidyalayaMohanpurIndia
  2. 2.College of Post Graduate StudiesCentral Agricultural University (Imphal)UmiamIndia
  3. 3.College of Horticulture and ForestryCentral Agricultural University (Imphal)PasighatIndia

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