Gary E. Vallad

6.9k total citations · 2 hit papers
157 papers, 4.8k citations indexed

About

Gary E. Vallad is a scholar working on Plant Science, Cell Biology and Ecology, Evolution, Behavior and Systematics. According to data from OpenAlex, Gary E. Vallad has authored 157 papers receiving a total of 4.8k indexed citations (citations by other indexed papers that have themselves been cited), including 141 papers in Plant Science, 68 papers in Cell Biology and 11 papers in Ecology, Evolution, Behavior and Systematics. Recurrent topics in Gary E. Vallad's work include Plant Pathogens and Fungal Diseases (68 papers), Plant-Microbe Interactions and Immunity (66 papers) and Plant Pathogenic Bacteria Studies (66 papers). Gary E. Vallad is often cited by papers focused on Plant Pathogens and Fungal Diseases (68 papers), Plant-Microbe Interactions and Immunity (66 papers) and Plant Pathogenic Bacteria Studies (66 papers). Gary E. Vallad collaborates with scholars based in United States, Brazil and China. Gary E. Vallad's co-authors include Krishna V. Subbarao, Robert M. Goodman, Jeffrey B. Jones, Steven J. Klosterman, Zahi K. Atallah, Sujan Timilsina, Mathews L. Paret, Neha Potnis, Gerald V. Minsavage and Peter Abrahamian and has published in prestigious journals such as SHILAP Revista de lepidopterología, Environmental Science & Technology and PLoS ONE.

In The Last Decade

Gary E. Vallad

147 papers receiving 4.6k citations

Hit Papers

align trajectories

What are hit papers?

Hit papers significantly outperform the citation benchmark for their cohort. A paper qualifies if it has ≥500 total citations, achieves ≥1.5× the top-1% citation threshold for papers in the same subfield and year (this is the minimum needed to enter the top 1%, not the average within it), or reaches the top citation threshold in at least one of its specific research topics.

Diversity, Pathogenicity, and Management of Verticillium Species

2009 584 citations Gary E. Vallad et al. profile →
Systemic Acquired Resistance and Induced Systemic Resistance in Conventional Agriculture

2004 564 citations Gary E. Vallad et al. profile →

Peers — A (Enhanced Table)

Peers by citation overlap · career bar shows stage (early→late) cites · hero ref

Name	h						Papers	Cites
Gary E. Vallad United States	36	4.3k	1.4k	729	262	251	157	4.8k
Hans‐Josef Schroers Slovenia	32	2.8k 0.7×	2.6k 1.8×	865 1.2×	289 1.1×	89 0.4×	73	3.9k
Ronnie de Jonge Netherlands	29	4.7k 1.1×	1.2k 0.9×	1.3k 1.7×	309 1.2×	43 0.2×	55	5.3k
Marı́a M. López Spain	37	3.6k 0.9×	1.3k 1.0×	857 1.2×	318 1.2×	43 0.2×	177	4.3k
Youfu Zhao United States	35	3.1k 0.7×	727 0.5×	890 1.2×	219 0.8×	56 0.2×	111	3.8k
Eduardo S. G. Mizubuti Brazil	35	3.3k 0.8×	1.6k 1.1×	636 0.9×	173 0.7×	60 0.2×	156	3.7k
Steven V. Beer United States	41	6.4k 1.5×	1.4k 1.0×	1.4k 1.9×	318 1.2×	58 0.2×	133	7.2k
Gitta Coaker United States	45	7.3k 1.7×	859 0.6×	2.0k 2.8×	233 0.9×	62 0.2×	96	8.3k
Stéphane Genin France	45	7.0k 1.6×	726 0.5×	1.5k 2.1×	418 1.6×	67 0.3×	90	8.2k
Caitilyn Allen United States	43	4.6k 1.1×	623 0.4×	857 1.2×	270 1.0×	59 0.2×	123	5.3k
Thomas J. Bürr United States	27	2.2k 0.5×	775 0.5×	818 1.1×	117 0.4×	44 0.2×	97	2.6k

Countries citing papers authored by Gary E. Vallad

Since Specialization

Citations

This map shows the geographic impact of Gary E. Vallad'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 Gary E. Vallad with the expected number of citations based on a country's size and research output (numbers larger than one mean the country cites Gary E. Vallad more than expected).

Fields of papers citing papers by Gary E. Vallad

Since Specialization

Physical SciencesHealth SciencesLife SciencesSocial Sciences

This network shows the impact of papers produced by Gary E. Vallad. 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 Gary E. Vallad. The network helps show where Gary E. Vallad may publish in the future.

Co-authorship network of co-authors of Gary E. Vallad

This figure shows the co-authorship network connecting the top 25 collaborators of Gary E. Vallad. A scholar is included among the top collaborators of Gary E. Vallad 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 Gary E. Vallad. Gary E. Vallad is excluded from the visualization to improve readability, since they are connected to all nodes in the network.

All Works

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20 of 20 papers shown

Helmick, Ericka E., et al.. (2025). Development of a Tetraplex Reverse Transcription Digital PCR Assay for Three Carlaviruses and an Ilarvirus Infecting Hop and Viral Titer Quantification in Different Tissue Types. Plant Disease. 109(9). 1950–1958.

Timilsina, Sujan, Anuj Sharma, R Sivakumar, et al.. (2024). Xanthomonas as a Model System for Studying Pathogen Emergence and Evolution. Phytopathology. 114(7). 1433–1446. 4 indexed citations

Liao, Ying-Yu, Swadeshmukul Santra, Jason C. White, et al.. (2023). Potential of Novel Magnesium Nanomaterials to Manage Bacterial Spot Disease of Tomato in Greenhouse and Field Conditions. Plants. 12(9). 1832–1832. 4 indexed citations

Vallad, Gary E., et al.. (2023). Common Tomato High Tunnel Production Diseases in Florida. SHILAP Revista de lepidopterología. 2023(1). 2 indexed citations

Choudhary, Manoj, Gerald V. Minsavage, Erica M. Goss, et al.. (2023). Whole-Genome-Sequence-Based Classification of Xanthomonas euvesicatoria pv. eucalypti and Computational Analysis of the Type III Secretion System. Phytopathology. 114(1). 47–60. 1 indexed citations

Strayer-Scherer, Amanda, Sujan Timilsina, Ying-Yu Liao, et al.. (2022). Simulated Leaching of Foliar Applied Copper Bactericides on the Soil Microbiome Utilizing Various Beta Diversity Resemblance Measurements. Microbiology Spectrum. 10(3). e0148121–e0148121. 4 indexed citations

Guingab‐Cagmat, Joy, Gerald V. Minsavage, Gary E. Vallad, et al.. (2022). Strength in Numbers: Density-Dependent Volatile-Induced Antimicrobial Activity by Xanthomonas perforans. Phytopathology. 113(2). 160–169. 2 indexed citations

Vallad, Gary E., et al.. (2022). Identification of Genes in Xanthomonas euvesicatoria pv. rosa That Are Host Limiting in Tomato. Plants. 11(6). 796–796. 4 indexed citations

Liao, Ying-Yu, Yuxiong Huang, Manoj Choudhary, et al.. (2021). Magnesium Oxide Nanomaterial, an Alternative for Commercial Copper Bactericides: Field-Scale Tomato Bacterial Spot Disease Management and Total and Bioavailable Metal Accumulation in Soil. Environmental Science & Technology. 55(20). 13561–13570. 30 indexed citations

10.

Abrahamian, Peter, et al.. (2021). Epidemiology, diversity, and management of bacterial spot of tomato caused by Xanthomonas perforans. Applied Microbiology and Biotechnology. 105(16-17). 6143–6158. 15 indexed citations

11.

Timilsina, Sujan, Yanru Xing, Peter Abrahamian, et al.. (2021). Whole genome sequences reveal the Xanthomonas perforans population is shaped by the tomato production system. The ISME Journal. 16(2). 591–601. 7 indexed citations

12.

Sharma, Anuj, Sujan Timilsina, Peter Abrahamian, et al.. (2021). Need for speed: bacterial effector XopJ2 is associated with increased dispersal velocity of Xanthomonas perforans. Environmental Microbiology. 23(10). 5850–5865. 9 indexed citations

13.

Agehara, Shinsuke, et al.. (2020). Protected Culture for Vegetable and Small Fruit Crops: Types of Structures. SHILAP Revista de lepidopterología. 2020(5). 1 indexed citations

14.

Stockwell, Virginia O., et al.. (2020). Improved deferred antagonism technique for detecting antibiosis. Letters in Applied Microbiology. 71(4). 330–336. 6 indexed citations

15.

Dufault, Nicholas S., et al.. (2019). Management of Cucurbit Downy Mildew in Florida. SHILAP Revista de lepidopterología. 2019(4). 1 indexed citations

16.

Liao, Ying-Yu, Amanda Strayer-Scherer, Jason C. White, et al.. (2019). Particle-size dependent bactericidal activity of magnesium oxide against Xanthomonas perforans and bacterial spot of tomato. Scientific Reports. 9(1). 18530–18530. 34 indexed citations

17.

Abrahamian, Peter, Sujan Timilsina, Gerald V. Minsavage, et al.. (2019). Molecular Epidemiology ofXanthomonas perforansOutbreaks in Tomato Plants from Transplant to Field as Determined by Single-Nucleotide Polymorphism Analysis. Applied and Environmental Microbiology. 85(18). 18 indexed citations

18.

Dufault, Nicholas S., et al.. (2019). Fusarium Wilt (Fusarium oxysporum f. sp. niveum) of Watermelon. SHILAP Revista de lepidopterología. 2019(5). 4–4. 2 indexed citations

19.

Potnis, Neha, Sujan Timilsina, Gerald V. Minsavage, et al.. (2018). Genomic Inference of Recombination-Mediated Evolution in Xanthomonas euvesicatoria and X. perforans. Applied and Environmental Microbiology. 84(13). 32 indexed citations

20.

Kaur, Surinder, Gurpreet Singh Dhillon, Satinder Kaur Brar, et al.. (2012). Emerging phytopathogen Macrophomina phaseolina : biology, economic importance and current diagnostic trends. Critical Reviews in Microbiology. 38(2). 136–151. 152 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.

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