World's Best Scientists 2026 revealed!

D-Index & Metrics

Genetics

D-Index
60
Citations
21161
World Ranking
3113
National Ranking
1359

R. W. Allard publication distribution in Genetics in 2026

The chart shows the distribution of publications by all Research.com ranked scientists in the field of Genetics in 2026. The highlighted bar marks where R. W. Allard sits on this spectrum.

45–54 publications: 6 scientists 55–64 publications: 10 scientists 65–74 publications: 35 scientists 75–84 publications: 84 scientists 85–94 publications: 102 scientists 95–104 publications: 151 scientists 105–114 publications: 175 scientists 115–124 publications: 203 scientists 125–134 publications: 217 scientists 135–144 publications: 205 scientists 145–154 publications: 193 scientists 155–164 publications: 188 scientists 165–174 publications: 170 scientists 175–184 publications: 178 scientists 185–194 publications: 164 scientists 195–204 publications: 173 scientists 205–214 publications: 159 scientists 215–224 publications: 134 scientists 225–234 publications: 143 scientists 235–244 publications: 105 scientists 245–254 publications: 114 scientists 255–264 publications: 92 scientists 265–274 publications: 88 scientists 275–284 publications: 87 scientists 285–294 publications: 80 scientists 295–304 publications: 62 scientists 305–314 publications: 75 scientists 315–324 publications: 67 scientists 325–334 publications: 60 scientists 335–344 publications: 52 scientists 345–354 publications: 40 scientists 355–364 publications: 48 scientists 365–374 publications: 47 scientists 375–384 publications: 46 scientists 385–394 publications: 31 scientists 395–404 publications: 27 scientists 405–414 publications: 40 scientists 415–424 publications: 30 scientists 425–434 publications: 43 scientists 435–444 publications: 29 scientists 445–454 publications: 14 scientists 455–464 publications: 28 scientists 465–474 publications: 21 scientists 475–484 publications: 21 scientists 485–494 publications: 22 scientists 495–504 publications: 17 scientists 505–514 publications: 12 scientists 515–524 publications: 11 scientists 525–534 publications: 8 scientists 535–544 publications: 8 scientists 545–554 publications: 14 scientists 555–564 publications: 4 scientists 565–574 publications: 11 scientists 575–584 publications: 5 scientists 585–594 publications: 11 scientists 595–604 publications: 12 scientists 605–614 publications: 7 scientists 615–624 publications: 6 scientists 625–634 publications: 10 scientists 635–644 publications: 9 scientists 645–654 publications: 10 scientists 655–664 publications: 6 scientists 665–674 publications: 6 scientists 675–684 publications: 6 scientists 685–694 publications: 4 scientists 695–702 publications: 6 scientists 703+ publications: 100 scientists
45 publications 703+

This scientist: 123 publications — 17th percentile

17% of scientists in this discipline score the same or lower.

The last bar groups every scientist with 703 publications or more.

R. W. Allard D-index placement in Genetics in 2026

The chart shows the D-index (discipline H-index) distribution of Genetics scientists ranked by Research.com in 2026. The highlighted bar marks where R. W. Allard sits on this spectrum.

40–41 D-Index: 24 scientists 42–43 D-Index: 52 scientists 44–45 D-Index: 84 scientists 46–47 D-Index: 112 scientists 48–49 D-Index: 118 scientists 50–51 D-Index: 141 scientists 52–53 D-Index: 143 scientists 54–55 D-Index: 145 scientists 56–57 D-Index: 179 scientists 58–59 D-Index: 162 scientists 60–61 D-Index: 175 scientists 62–63 D-Index: 191 scientists 64–65 D-Index: 172 scientists 66–67 D-Index: 184 scientists 68–69 D-Index: 164 scientists 70–71 D-Index: 158 scientists 72–73 D-Index: 150 scientists 74–75 D-Index: 136 scientists 76–77 D-Index: 127 scientists 78–79 D-Index: 127 scientists 80–81 D-Index: 111 scientists 82–83 D-Index: 110 scientists 84–85 D-Index: 110 scientists 86–87 D-Index: 84 scientists 88–89 D-Index: 102 scientists 90–91 D-Index: 66 scientists 92–93 D-Index: 72 scientists 94–95 D-Index: 70 scientists 96–97 D-Index: 54 scientists 98–99 D-Index: 60 scientists 100–101 D-Index: 49 scientists 102–103 D-Index: 55 scientists 104–105 D-Index: 45 scientists 106–107 D-Index: 42 scientists 108–109 D-Index: 28 scientists 110–111 D-Index: 39 scientists 112–113 D-Index: 25 scientists 114–115 D-Index: 31 scientists 116–117 D-Index: 29 scientists 118–119 D-Index: 34 scientists 120–121 D-Index: 29 scientists 122–123 D-Index: 29 scientists 124–125 D-Index: 18 scientists 126–127 D-Index: 27 scientists 128–129 D-Index: 22 scientists 130–131 D-Index: 16 scientists 132–133 D-Index: 11 scientists 134–135 D-Index: 17 scientists 136–137 D-Index: 12 scientists 138–139 D-Index: 21 scientists 140–141 D-Index: 4 scientists 142–143 D-Index: 9 scientists 144–145 D-Index: 14 scientists 146–147 D-Index: 6 scientists 148–149 D-Index: 10 scientists 150–151 D-Index: 7 scientists 152–153 D-Index: 9 scientists 154–155 D-Index: 8 scientists 156–157 D-Index: 8 scientists 158–159 D-Index: 9 scientists 160+ D-Index: 96 scientists
40 D-Index 160+

This scientist: 60 D-Index — 29th percentile

29% of scientists in this discipline score the same or lower.

The last bar groups every scientist with 160 D-Index or more.

Research.com Recognitions

  • 1973 - Member of the National Academy of Sciences
  • 1966 - Fellow of the American Society of Agronomy (ASA)
  • 1965 - Fellow of the American Association for the Advancement of Science (AAAS)
  • 1964 - Crop Science Research Award, American Society of Agronomy
  • 1960 - Fellow of John Simon Guggenheim Memorial Foundation
  • 1954 - Fellow of John Simon Guggenheim Memorial Foundation

Overview

R. W. Allard was affiliated with the University of California, Davis in the United States. Their research primarily focused on various aspects of medicine, with specific attention to clinical psychology, virology, infectious diseases, molecular biology, and health.

Allard's work covered a range of main topics that included:

  • COVID-19 and Mental Health
  • Poxvirus research and outbreaks
  • Bacillus and Francisella bacterial research
  • Rabies epidemiology and control
  • SARS-CoV-2 and COVID-19 Research
  • Viral gastroenteritis research and epidemiology
  • Vaccine Coverage and Hesitancy

Among the recent papers authored by Allard were:

  • Breakthrough cases of mpox: One-dose vaccination is associated with milder clinical manifestations, 2024, Journal of Infection and Public Health
  • Prevalence, risk factors and clinical presentations of post-COVID-19 condition: a follow-up study of reported COVID-19 infections in Montreal, Canada, 2023, bioRxiv (Cold Spring Harbor Laboratory)

Their frequent coauthors included:

  • Geneviève Cadieux
  • Pascale Leclerc
  • Geneviève Bergeron
  • Sarah-Amélie Mercure
  • Yohann Pilon

Allard published regularly in several academic venues such as:

  • bioRxiv (Cold Spring Harbor Laboratory)
  • Journal of Infection and Public Health
  • JAMA Network Open
  • Canada Communicable Disease Report
  • Relevé des maladies transmissibles au Canada

Over the course of their career, Allard had been recognized by various academic societies. They were named a Member of the National Academy of Sciences in 1973. Additional honors included fellowships with the American Association for the Advancement of Science (AAAS) in 1965, the American Society of Agronomy (ASA) in 1966, and the John Simon Guggenheim Memorial Foundation twice, in 1954 and 1960. They also received the Crop Science Research Award from the American Society of Agronomy in 1964.

Best Publications

  • Ribosomal DNA spacer-length polymorphisms in barley: mendelian inheritance, chromosomal location, and population dynamics.

    M A Saghai-Maroof;K M Soliman;R A Jorgensen;R W Allard

  • Extraordinarily polymorphic microsatellite DNA in barley: species diversity, chromosomal locations, and population dynamics

    M A Saghai Maroof;R M Biyashev;G P Yang;Q Zhang

  • Chloroplast DNA polymorphisms in lodgepole and jack pines and their hybrids.

    D B Wagner;G R Furnier;M A Saghai-Maroof;S M Williams

  • The Genetics of Inbreeding Populations

    R.W. Allard;S.K. Jain;P.L. Workman

  • Microgeographical Variation in Allozyme Frequencies in Avena barbata

    J. L. Hamrick;R. W. Allard

  • Genetic Changes Associated with the Evolution of Adaptedness in Cultivated Plants and Their Wild Progenitors

    R. W. Allard

  • Estimation of the mating system in open-pollinated maize populations using isozyme polymorphisms.

    A. H. D. Brown;R. W. Allard

  • Patterns of Genetic Differentiation in the Slender Wild Oat Species Avena barbata

    M. T. Clegg;R. W. Allard

  • Evidence for Coadaptation in Avena barbata

    R. W. Allard;G. R. Babbel;M. T. Clegg;A. L. Kahler

  • A multilocus estimator of mating system parameters in plant populations

    D. V. Shaw;A. L. Kahler;R. W. Allard

  • Estimation of life cycle components of selection in an experimental plant population.

    M. T. Clegg;A. L. Kahler;R. W. Allard

  • Spatial autocorrelation analysis of the distribution of genotypes within populations of lodgepole pine.

    B K Epperson;R W Allard

  • Is the Gene the Unit of Selection? Evidence from Two Experimental Plant Populations

    M. T. Clegg;R. W. Allard;A. L. Kahler

  • The Detection and Measurement of the Effects of Individual Genes Involved in the Inheritance of a Quantitative Character in Wheat.

    Conrad Wehrhahn;R. W. Allard

  • POPULATION STUDIES IN PREDOMINANTLY SELF-POLLINATED SPECIES. VI. GENETIC VARIABILITY BETWEEN AND WITHIN NATURAL POPULATIONS OF WILD OATS FROM DIFFERING HABITATS IN CALIFORNIA

    A. G. Imam;R. W. Allard

  • Genetic basis of the evolution of adaptedness in plants

    R. W. Allard

  • Paternal inheritance of chloroplast DNA in Douglas-fir

    David B. Neale;Nicholas C. Wheeler;Robert W. Allard

  • Associations between isozyme phenotypes and environment in the slender wild oat (Avena barbata) in Israel.

    A. L. Kahler;R. W. Allard;M. Krzakowa;M. Krzakowa;C. F. Wehrhahn;C. F. Wehrhahn

  • Estimation of outcrossing rates in Duglas-fir using isozyme markers.

    D. V. Shaw;R. W. Allard

  • POPULATION STUDIES IN PREDOMINANTLY SELF-POLLINATED SPECIES, I. EVIDENCE FOR HETEROZYGOTE ADVANTAGE IN A CLOSED POPULATION OF BARLEY.

    S. K. Jain;R. W. Allard

Frequent Co-Authors

M. A. Saghai Maroof
M. A. Saghai Maroof Virginia Tech
Michael T. Clegg
Michael T. Clegg University of California, Irvine
Stephen B. Goodwin
Stephen B. Goodwin Purdue University West Lafayette
Bruce S. Weir
Bruce S. Weir University of Washington
Richard A. Jorgensen
Richard A. Jorgensen University of Arizona
David B. Neale
David B. Neale University of California, Davis
Scott M. Williams
Scott M. Williams Case Western Reserve University
Curtis Strobeck
Curtis Strobeck University of Alberta

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Related Online Degrees & Career Pathways

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