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International Journal of Current Microbiology and Applied Sciences (IJCMAS)
IJCMAS is now DOI (CrossRef) registered Research Journal. The DOIs are assigned to all published IJCMAS Articles.
Index Copernicus ICI Journals Master List 2019 - IJCMAS--ICV 2019: 96.39 For more details click here
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National Academy of Agricultural Sciences (NAAS)
NAAS Score: *5.38 (2020)
[Effective from January 1, 2020]
For more details click here

ICV 2019: 96.39
Index Copernicus ICI Journals Master List 2019 - IJCMAS--ICV 2019: 96.39
For more details click here

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Original Research Articles

PRINT ISSN : 2319-7692
Online ISSN : 2319-7706
Issues : 12 per year
Publisher : Excellent Publishers
Email : editorijcmas@gmail.com / submit@ijcmas.com
Editor-in-chief: Dr.M.Prakash
Index Copernicus ICV 2018: 95.39
NAAS RATING 2020: 5.38

Int.J.Curr.Microbiol.App.Sci.2021.10(9): 68-78
DOI: https://doi.org/10.20546/ijcmas.2021.1009.008


Incidence of Citrus Tristeza Virus and its Vector Toxoptera citricida in Different Parts of Assam and Nagaland, India
Maongkar T. Changkiri1*, Pulin Patgiri1, Palash Deb Nath2,Rokozeno1 and Otto S. Awomi3
1Department of Entomology, 2Department of Plant Pathology, Assam Agricultural University, Jorhat - 785013, Assam, India
3Department of Entomology, School of Agricultural Science and Rural Development, Nagaland University, Medziphema Campus, Medziphema - 797106, Nagaland, India
*Corresponding author
Abstract:

A field survey was conducted in 2018 to study the incidence of citrus tristeza virus (CTV) and its aphid vectors, in different citrus growing regions of the states of Assam and Nagaland, India. Leaf samples of Assam lemon (Citrus limon) and Khasi mandarin (Citrus reticulata) were collected from four districts of Assam (Jorhat, Tinsukia, Sivasagar and Golaghat) and two districts of Nagaland (Mokokchung and Wokha). Citrus leaf samples were collected from a total of 190 citrus plants and were used for detection of CTV infection through Double Antibody Sandwich-Enzyme linked Immuno-Sorbent Assay (DAS-ELISA). According to the results, 75 per cent CTV disease incidence was detected in surveyed areas of Assam and 24.55 per cent CTV disease incidence was detected in surveyed areas of Nagaland. District wise, the highest CTV disease incidence (96.67 %) was detected in Tinsukia district of Assam and the lowest (21.43 %) was detected in Mokokchung district of Nagaland. Aphid samples were also collected during the survey and the presence of the vector Toxoptera citricida, in all the locations was determined.


Keywords: Survey, CTV, DAS-ELISA, Toxoptera citricida, Disease incidence, Assam, Nagaland
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How to cite this article:

Maongkar T. Changkiri, Pulin Patgiri, Palash Deb Nath, Rokozeno and Otto S. Awomi. 2021. Incidence of Citrus Tristeza Virus and its Vector Toxoptera citricida in Different Parts of Assam and Nagaland, India.Int.J.Curr.Microbiol.App.Sci. 10(9): 68-78. doi: https://doi.org/10.20546/ijcmas.2021.1009.008