This map shows the geographic impact of A. Varma's research. It shows the number of citations coming from papers published by authors working in each country. You can also color the map by specialization and compare the number of citations received by A. Varma with the expected number of citations based on a country's size and research output (numbers larger than one mean the country cites A. Varma more than expected).
This network shows the impact of papers produced by A. Varma. Nodes represent research fields, and links connect fields that are likely to share authors. Colored nodes show fields that tend to cite the papers produced by A. Varma. The network helps show where A. Varma may publish in the future.
Co-authorship network of co-authors of A. Varma
This figure shows the co-authorship network connecting the top 25 collaborators of A. Varma.
A scholar is included among the top collaborators of A. Varma based on the total number of
citations received by their joint publications. Widths of edges
represent the number of papers authors have co-authored together.
Node borders
signify the number of papers an author published with A. Varma. A. Varma is excluded from
the visualization to improve readability, since they are connected to all nodes in the network.
Sharma, Jyoti, et al.. (2005). Natural spread of Papaya ringspot virus to new areas: occurrence in Coimbatore, Tamil Nadu. Indian Phytopathology. 58(2). 245–249.10 indexed citations
7.
Dasgupta, Indranil, et al.. (2005). Characterization of new strains in rice tungro Viruses. Indian Phytopathology. 58(3). 308–313.1 indexed citations
Bhat, Alangar Ishwara, et al.. (2001). Partial characterization of an isometric virus causing sunflower necrosis disease. Indian Phytopathology. 54(2). 246–250.15 indexed citations
10.
Jain, R. K., et al.. (2000). Peanut stripe potyvirus: prevalence, detection and serological relationships. Indian Phytopathology. 53(1). 14–18.3 indexed citations
11.
More, T. A., et al.. (1999). Back inoculation technique for screening resistance to cucumber green mottle mosaic virus (CGMMV) in melons (Cucumis spp.). Indian Journal of Horticulture. 56(2). 159–162.
12.
Bhat, Alangar Ishwara, A. Varma, & Ritu Jain. (1999). Comparison of three serological assays for the detection of potyviruses.. Indian Phytopathology. 52(4). 362–365.1 indexed citations
13.
Varma, A., et al.. (1999). Alarming epidemic of rice tungro disease in North-West India. Indian Phytopathology. 52(1). 71–74.5 indexed citations
14.
Roy, Gourgopal, Ritu Jain, & A. Varma. (1998). Comparative host range and serological studies of papaya ringspot potyvirus isolates. Indian Phytopathology. 52(1). 14–17.14 indexed citations
15.
Rao, G. P., Ritu Jain, & A. Varma. (1998). IDENTIFICATION OF SUGARCANE MOSAIC AND MAIZE DWARF MOSAIC POTYVIRUSES INFECTING POACEOUS CROPS IN INDIA. Indian Phytopathology. 51(1). 10–16.10 indexed citations
16.
Varma, A., et al.. (1993). Properties of cucumber green mottle mosaic virus isolated from water of river Jamuna. Indian Phytopathology. 46(2). 118–122.20 indexed citations
17.
More, T. A., et al.. (1993). Breeding and development of cucumber green mottle mosaic virus (CGMMV) resistant lines in melon (Cucumis melo L.).. 44–46.5 indexed citations
Varma, A., et al.. (1989). Use of mulches for the management of mosaic disease in muskmelon.. Indian Phytopathology. 42(2). 227–235.1 indexed citations
Rankless uses publication and citation data sourced from OpenAlex, an open and comprehensive
bibliographic database. While OpenAlex provides broad and valuable coverage of the global
research landscape, it—like all bibliographic datasets—has inherent limitations. These include
incomplete records, variations in author disambiguation, differences in journal indexing, and
delays in data updates. As a result, some metrics and network relationships displayed in
Rankless may not fully capture the entirety of a scholar's output or impact.