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Cotton leaf curl disease publications

DISCOVERIES (ISSN 2359-7232), 2020, April-June issue


Khan A, Khan D, Akbar F. Bibliometric analysis of publications on research into cotton leaf curl disease. Discoveries 2020, 8(2): e109. DOI: 10.15190/d.2020.6

Submitted: May 11, 2020; First Revision: May 22, 2020; Second Revision: May 23, 2020; Accepted: May 25, 2020; Published: June 07, 2020; 

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Bibliometric analysis of publications on research into cotton leaf curl disease

Ayyaz Khan *, Darya Khan, Fazal Akbar

Center for Biotechnology and Microbiology, University of Swat, KP, Pakistan

*Corresponding author: Ayyaz Khan, Centre for Biotechnology and Microbiology, University of Swat, Swat-19200, Pakistan; E-mail: ayyazkhan28@gmail.com


Cotton leaf curl disease (CLCuD), caused by viruses of the family Geminiviridae (genus Begomovirus), is of great concern for cotton production worldwide. The aim of the study was to characterize and quantify the worldwide scientific output of CLCuD research using bibliometric analysis. PubMed, Google Scholar and Scopus search engines were used to extract available data from 1901 to July 2017. A total of 854 CLCuD-related published documents were identified. Most of the documents were published in the form of original research articles (644, 75.4 %) and English was the main language of publication (807, 94 %). The results demonstrate that the study of CLCuD exhibits an overall increasing trend from 1991 to 2017, with the highest number of articles published in 2013.  The top 10 countries in terms of absolute research output  (number of publications) on this subject were Pakistan (217; 25.40%), India (161; 18.85%), the United States of America  (USA; 122; 14.85%), China (85; 9.95%), United Kingdom (57; 6.67%), Sudan (31; 3.62%), Israel (14; 1.63%), Spain (13; 1.52%), Australia (11; 1.28%), Saudi Arabia (9; 1.05%) and Iran (9; 1.05%). Pakistan’s most important collaborator was United States of America, followed by China. Noteworthy, not one of the papers listed here was the result of scientific collaboration between India and Pakistan. The total number of citations for all the publications was 3174, with an average of 3.71 citations per publication. The h-index for all extracted data related to CLCuD was 91. The top h-index was achieved by Pakistan (54) followed by the United Kingdom (43), the USA (41) and India (39). The National Institute for Biotechnology and Genetic Engineering (NIBGE), Faisalabad, ranked the first in the top 10 list of the most productive institutes. 
This bibliometric analysis highlights the leading role of Pakistan, India and the USA in research on CLCuD and points out that the initiation of a collaboration between Pakistan and India may have a significant impact on the research output and progress.

Access full text of the manuscript here: 


1. Mansoor S et al. A whitefly-transmitted geminivirus associated with cotton leaf curl disease in Pakistan. Pakistan Journal of Botany, 1993; 105-107.

2. Farquharson C. A report of the mycologist. A manual report of agricultural department of Nigeria. Cotton growth in Gezira environment. W Haffer. and Sons Ltd. Cambridge UK, 1912; 106.

3. Bailey. M. Leaf curl disease of cotton in the Sudan. Emp Cot Gr Rev, 1934; 11:280-288.

4. Hussain T, Ali M. Review of cotton diseases of Pakistan. Pak Cottons, 1975; 18:71-86.

5. Harrison B et al. Detection and relationships of cotton leaf curl virus and allied whitefly‐transmitted geminiviruses occurring in Pakistan. Annals of Applied Biology, 1997. 130(1): 61-75.

6. Ahmad. S. et al. Effect of cotton leaf-curl virus on the yield-components and fibre properties of cotton genotypes under varying plant spacing and nitrogen fertilizer. Science Technology and Development (Pakistan), 2008.

7. Briddon. R et al. Identification of DNA components required for induction of cotton leaf curl disease. Virology, 2001; 285(2): 234-243.

8. Idris A et al. Cotton leaf curl Gezira virus-satellite DNAs represent a divergent, geographically isolated Nile Basin lineage: predictive identification of a satDNA REP-binding motif. Virus Research, 2005; 109(1): 19-32.

9. Mansoor S et al. Cotton leaf curl disease is associated with multiple monopartite begomoviruses supported by single DNA β. Archives of virology, 2003; 148(10): 1969-1986.

10. Sattar MN et al. Cotton leaf curl disease–an emerging threat to cotton production worldwide. Journal of General Virology, 2013; 94(4): 695-710.

11. Saleem H et al. Diversity, mutation and recombination analysis of cotton leaf curl geminiviruses. PLoS One, 2016; 11(3): e0151161.

12. Qazi J et al. Contribution of the satellite encoded gene βC1 to cotton leaf curl disease symptoms. Virus Research, 2007; 128(1-2): 135-139.

13. Zyoud Sa’ed H. Dengue research: a bibliometric analysis of worldwide and Arab publications during 1872–2015. Virology Journal, 2016; 13(1): 78.

14. Vera-Polania F et al. Bibliometric assessment of scientific production of literature on chikungunya. Journal of infection and public health, 2015; 8(4): 386-388.

15. Cruz-Calderón S et al. A bibliometric analysis of global Ebola research. Travel medicine and infectious disease, 2015; 13(2): 202-204.

16. Ramos JM, González-Alcaide G, Bolaños-Pizarro M. Bibliometric analysis of leishmaniasis research in Medline (1945-2010). Parasites & Vectors, 2013; 6(1): 55.

17. Patiño-Barbosa AM et al. Bibliometric assessment of the scientific production of literature regarding Mayaro. Journal of Infection and Public Health, 2016; 9(4): 532-534.

18. Mansoor S et al. Identification of a novel circular single-stranded DNA associated with cotton leaf curl disease in Pakistan. Virology, 1999; 259(1): 190-199.

19. Zhou X et al. Four DNA-A variants among Pakistani isolates of cotton leaf curl virus and their affinities to DNA-A of geminivirus isolates from okra. Journal of General Virology, 1998; 79(4): 915-923.

20. Briddon RW, Markham PG. Cotton leaf curl virus disease. Virus Research, 2000; 71(1-2): 151-159.

21. Briddon RW. Cotton leaf curl disease, a multicomponent begomovirus complex. Molecular Plant Pathology, 2003; 4(6): 427-434.

22. Sanz AI et al. Genetic variability of natural populations of cotton leaf curl geminivirus, a single-stranded DNA virus. Journal of molecular evolution, 1999; 49(5): 672-681.

23. Asad S, et al. Transgenic tobacco expressing geminiviral RNAs are resistant to the serious viral pathogen causing cotton leaf curl disease. Archives of Virology, 2003; 148(12): 2341-2352.

24. Briddon RW et al. Clones of cotton leaf curl geminivirus induce symptoms atypical of cotton leaf curl disease. Virus Genes, 2000; 20(1): 19-26.

25. Briddon RW et al. Diversity of DNA β, a satellite molecule associated with some monopartite begomoviruses. Virology, 2003; 312(1): 106-121.

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