World's Best Scientists 2026 revealed!

D-Index & Metrics

Plant Science and Agronomy

D-Index
59
Citations
12126
World Ranking
1278
National Ranking
51

John M. Clarke publication distribution in Plant Science and Agronomy in 2026

The chart shows the distribution of publications by all Research.com ranked scientists in the field of Plant Science and Agronomy in 2026. The highlighted bar marks where John M. Clarke sits on this spectrum.

36–40 publications: 2 scientists 41–45 publications: 7 scientists 46–50 publications: 40 scientists 51–55 publications: 58 scientists 56–60 publications: 60 scientists 61–65 publications: 107 scientists 66–70 publications: 130 scientists 71–75 publications: 153 scientists 76–80 publications: 191 scientists 81–85 publications: 199 scientists 86–90 publications: 206 scientists 91–95 publications: 218 scientists 96–100 publications: 226 scientists 101–105 publications: 227 scientists 106–110 publications: 247 scientists 111–115 publications: 255 scientists 116–120 publications: 253 scientists 121–125 publications: 233 scientists 126–130 publications: 219 scientists 131–135 publications: 201 scientists 136–140 publications: 194 scientists 141–145 publications: 176 scientists 146–150 publications: 157 scientists 151–155 publications: 147 scientists 156–160 publications: 151 scientists 161–165 publications: 159 scientists 166–170 publications: 137 scientists 171–175 publications: 128 scientists 176–180 publications: 126 scientists 181–185 publications: 98 scientists 186–190 publications: 114 scientists 191–195 publications: 100 scientists 196–200 publications: 90 scientists 201–205 publications: 71 scientists 206–210 publications: 98 scientists 211–215 publications: 70 scientists 216–220 publications: 86 scientists 221–225 publications: 61 scientists 226–230 publications: 58 scientists 231–235 publications: 53 scientists 236–240 publications: 64 scientists 241–245 publications: 39 scientists 246–250 publications: 46 scientists 251–255 publications: 51 scientists 256–260 publications: 36 scientists 261–265 publications: 44 scientists 266–270 publications: 35 scientists 271–275 publications: 30 scientists 276–280 publications: 33 scientists 281–285 publications: 35 scientists 286–290 publications: 36 scientists 291–295 publications: 26 scientists 296–300 publications: 26 scientists 301–305 publications: 31 scientists 306–310 publications: 30 scientists 311–315 publications: 21 scientists 316–320 publications: 29 scientists 321–325 publications: 14 scientists 326–330 publications: 15 scientists 331–335 publications: 15 scientists 336–340 publications: 17 scientists 341–345 publications: 15 scientists 346–350 publications: 12 scientists 351–355 publications: 17 scientists 356–360 publications: 18 scientists 361–365 publications: 12 scientists 366–370 publications: 11 scientists 371–375 publications: 6 scientists 376–380 publications: 6 scientists 381–385 publications: 11 scientists 386–390 publications: 9 scientists 391–395 publications: 10 scientists 396–400 publications: 8 scientists 401–405 publications: 4 scientists 406–410 publications: 9 scientists 411–415 publications: 11 scientists 416–420 publications: 4 scientists 421–425 publications: 7 scientists 426–430 publications: 4 scientists 431–435 publications: 3 scientists 436–440 publications: 5 scientists 441–445 publications: 8 scientists 446–450 publications: 6 scientists 451–455 publications: 7 scientists 456–460 publications: 5 scientists 461–465 publications: 6 scientists 466 publications: 2 scientists 467+ publications: 99 scientists
36 publications 467+

This scientist: 267 publications — 89th percentile

89% of scientists in this discipline score the same or lower.

The last bar groups every scientist with 467 publications or more.

John M. Clarke D-index placement in Plant Science and Agronomy in 2026

The chart shows the D-index (discipline H-index) distribution of Plant Science and Agronomy scientists ranked by Research.com in 2026. The highlighted bar marks where John M. Clarke sits on this spectrum.

30 D-Index: 200 scientists 31 D-Index: 236 scientists 32 D-Index: 253 scientists 33 D-Index: 283 scientists 34 D-Index: 288 scientists 35 D-Index: 240 scientists 36 D-Index: 246 scientists 37 D-Index: 243 scientists 38 D-Index: 247 scientists 39 D-Index: 229 scientists 40 D-Index: 232 scientists 41 D-Index: 230 scientists 42 D-Index: 228 scientists 43 D-Index: 219 scientists 44 D-Index: 193 scientists 45 D-Index: 164 scientists 46 D-Index: 158 scientists 47 D-Index: 143 scientists 48 D-Index: 131 scientists 49 D-Index: 127 scientists 50 D-Index: 122 scientists 51 D-Index: 122 scientists 52 D-Index: 110 scientists 53 D-Index: 102 scientists 54 D-Index: 98 scientists 55 D-Index: 79 scientists 56 D-Index: 85 scientists 57 D-Index: 88 scientists 58 D-Index: 91 scientists 59 D-Index: 62 scientists 60 D-Index: 61 scientists 61 D-Index: 59 scientists 62 D-Index: 54 scientists 63 D-Index: 61 scientists 64 D-Index: 59 scientists 65 D-Index: 58 scientists 66 D-Index: 41 scientists 67 D-Index: 49 scientists 68 D-Index: 39 scientists 69 D-Index: 32 scientists 70 D-Index: 40 scientists 71 D-Index: 47 scientists 72 D-Index: 38 scientists 73 D-Index: 28 scientists 74 D-Index: 29 scientists 75 D-Index: 28 scientists 76 D-Index: 22 scientists 77 D-Index: 21 scientists 78 D-Index: 25 scientists 79 D-Index: 26 scientists 80 D-Index: 19 scientists 81 D-Index: 16 scientists 82 D-Index: 12 scientists 83 D-Index: 16 scientists 84 D-Index: 14 scientists 85 D-Index: 11 scientists 86 D-Index: 17 scientists 87 D-Index: 13 scientists 88 D-Index: 10 scientists 89 D-Index: 12 scientists 90 D-Index: 18 scientists 91 D-Index: 16 scientists 92 D-Index: 16 scientists 93 D-Index: 17 scientists 94 D-Index: 12 scientists 95 D-Index: 8 scientists 96 D-Index: 9 scientists 97 D-Index: 9 scientists 98 D-Index: 11 scientists 99 D-Index: 12 scientists 100 D-Index: 5 scientists 101 D-Index: 8 scientists 102 D-Index: 4 scientists 103 D-Index: 11 scientists 104 D-Index: 5 scientists 105 D-Index: 9 scientists 106 D-Index: 7 scientists 107 D-Index: 4 scientists 108 D-Index: 8 scientists 109+ D-Index: 99 scientists
30 D-Index 109+

This scientist: 59 D-Index — 81st percentile

81% of scientists in this discipline score the same or lower.

The last bar groups every scientist with 109 D-Index or more.

Overview

What is he best known for?

The fields of study he is best known for:

  • Botany
  • Agronomy
  • Gene

John M. Clarke mainly focuses on Agronomy, Cultivar, Quantitative trait locus, Plant breeding and Genetics. His research on Agronomy often connects related areas such as Chromosomal translocation. His Cultivar research is classified as research in Botany.

His study in Botany is interdisciplinary in nature, drawing from both Food science, Gluten, Yield and Genotype. His research in Quantitative trait locus focuses on subjects like Gene mapping, which are connected to Genetic marker. His Plant breeding research incorporates themes from Embryo rescue, Ploidy, Genetic variation and Crop.

His most cited work include:

  • Metals and micronutrients – food safety issues (711 citations)
  • Selection and breeding of plant cultivars to minimize cadmium accumulation. (333 citations)
  • Evaluation of methods for quantification of drought tolerance in wheat (224 citations)

What are the main themes of his work throughout his whole career to date?

John M. Clarke mainly investigates Agronomy, Cultivar, Poaceae, Botany and Grain yield. John M. Clarke frequently studies issues relating to Plant disease resistance and Agronomy. John M. Clarke has included themes like Loose smut, Common wheat, Common bunt, Triticale and Gluten in his Cultivar study.

His Common wheat study combines topics from a wide range of disciplines, such as Quantitative trait locus and Gene mapping. His research integrates issues of Field experiment, New Variety and Pyrenophora in his study of Poaceae. He has researched Botany in several fields, including Genotype and Horticulture.

He most often published in these fields:

  • Agronomy (67.62%)
  • Cultivar (53.33%)
  • Poaceae (23.33%)

What were the highlights of his more recent work (between 2011-2021)?

  • Agronomy (67.62%)
  • Cultivar (53.33%)
  • Grain yield (16.67%)

In recent papers he was focusing on the following fields of study:

John M. Clarke focuses on Agronomy, Cultivar, Grain yield, Production area and Quantitative trait locus. His Agronomy research incorporates elements of Common bunt and Fusarium. In his articles, John M. Clarke combines various disciplines, including Cultivar and Abiotic component.

His Grain yield research focuses on Yield and how it connects with Maturity. His work deals with themes such as Plant disease resistance and Germplasm, which intersect with Quantitative trait locus. His Genetics research is multidisciplinary, incorporating elements of Genetic diversity and Plant breeding.

Between 2011 and 2021, his most popular works were:

  • Durum wheat genome highlights past domestication signatures and future improvement targets (180 citations)
  • Application of molecular markers to wheat breeding in Canada (85 citations)
  • A consensus framework map of durum wheat (Triticum durum Desf.) suitable for linkage disequilibrium analysis and genome-wide association mapping (53 citations)

In his most recent research, the most cited papers focused on:

  • Botany
  • Gene
  • Agronomy

John M. Clarke spends much of his time researching Quantitative trait locus, Agronomy, Genetics, Cultivar and Germplasm. The various areas that he examines in his Agronomy study include Sprouting, Fusarium, Moisture stress, Abiotic stress and Doubled haploidy. His work on Locus, Association mapping, Microsatellite and Linkage disequilibrium as part of general Genetics study is frequently linked to Diversity Arrays Technology, bridging the gap between disciplines.

He is involved in the study of Cultivar that focuses on Stem rust in particular. His work carried out in the field of Stem rust brings together such families of science as Plant disease resistance, Common bunt and Glutenin. The concepts of his Germplasm study are interwoven with issues in Gene pool and Mycotoxin, Head blight.

Best Publications

  • Metals and micronutrients – food safety issues

    M.J McLaughlin;D.R Parker;J.M Clarke

  • Durum wheat genome highlights past domestication signatures and future improvement targets

    Marco Maccaferri;Marco Maccaferri;Neil S. Harris;Sven O. Twardziok;Raj K. Pasam

  • Selection and breeding of plant cultivars to minimize cadmium accumulation.

    C.A. Grant;J.M. Clarke;S. Duguid;R.L. Chaney

  • Evaluation of methods for quantification of drought tolerance in wheat

    John M. Clarke;Ronald M. DePauw;T. Fred Townley-Smith

  • Identification of QTL and association of a phytoene synthase gene with endosperm colour in durum wheat

    C. J. Pozniak;R. E. Knox;F. R. Clarke;J. M. Clarke

  • NITROGEN AND PHOSPHORUS UPTAKE, TRANSLOCATION, AND UTILIZATION EFFICIENCY OF WHEAT IN RELATION TO ENVIRONMENT AND CULTIVAR YIELD AND PROTEIN LEVELS

    J. M. Clarke;C. A. Campbell;H. W. Cutforth;R. M. DePAUW

  • EXCISED-LEAF WATER RETENTION CAPABILITY AS AN INDICATOR OF DROUGHT RESISTANCE OF Triticum GENOTYPES

    John M. Clarke;Thomas N. McCAIG

  • Identification of RAPD markers linked to a gene governing cadmium uptake in durum wheat

    Greg A. Penner;Leslie J. Bezte;Dave Leisle;John Clarke

  • Growth Analysis of Spring Wheat Cultivars of Varying Drought Resistance1

    John M. Clarke;Fred Townley-Smith;Thomas N. McCaig;David G. Green

  • Application of molecular markers to wheat breeding in Canada

    Harpinder S. Randhawa;Muhammad Asif;Curtis Pozniak;John M. Clarke

  • Evaluation of Techniques for Screening for Drought Resistance in Wheat1

    John M. Clarke;Thomas N. McCaig

  • Zinc effects on cadmium accumulation and partitioning in near-isogenic lines of durum wheat that differ in grain cadmium concentration.

    Jonathan J. Hart;Jonathan J. Hart;Ross M. Welch;Wendell A. Norvell;John M. Clarke

  • Effect of cadmium on growth and the uptake of cadmium and other elements by durum wheat

    Unknown

  • Strongfield durum wheat

    J. M. Clarke;T. N. McCaig;R. M. DePauw;R. E. Knox

  • Mapping of FHB resistance QTLs in tetraploid wheat

    Daryl J. SomersD.J. Somers;George FedakG. Fedak;John ClarkeJ. Clarke;Wenguang CaoW. Cao

  • A Systematic Review of Durum Wheat: Enhancing Production Systems by Exploring Genotype, Environment, and Management (G × E × M) Synergies.

    Brian L. Beres;Elham Rahmani;John M. Clarke;Patricio Grassini

  • Relationships between dough strength, polymeric protein quantity and composition for diverse durum wheat genotypes

    N.M. Edwards;M.C. Gianibelli;T.N. McCaig;J.M. Clarke

  • Dicamba and growth condition effects on doubled haploid production in durum wheat crossed with maize

    R. E. Knox;J. M. Clarke;R. M. DePauw

  • Inheritance of Cadmium Concentration in Five Durum Wheat Crosses

    J. M. Clarke;D. Leisle;G. L. Kopytko

  • Effect of Fusarium Head Blight on Semolina Milling and Pasta‐Making Quality of Durum Wheat

    Unknown

  • Allelic reduction and genetic shift in the Canadian hard red spring wheat germplasm released from 1845 to 2004

    Yong-Bi Fu;Gregory W. Peterson;Ken W. Richards;Daryl Somers

  • Targeted mapping of Cdu1, a major locus regulating grain cadmium concentration in durum wheat (Triticum turgidum L. var durum)

    K. Wiebe;N. S. Harris;J. D. Faris;J. M. Clarke

  • Relationship between glutenin subunit composition and gluten strength measurements in durum wheat

    Mike J Sissons;Nancy P Ames;Ray A Hare;John M Clarke

  • Chromosomal location of the cadmium uptake gene (Cdu1) in durum wheat.

    R E Knox;C J Pozniak;C J Pozniak;C J Pozniak;F R Clarke;F R Clarke;F R Clarke;J M Clarke;J M Clarke;J M Clarke

  • Effect of Environment and Genotype on Durum Wheat Gluten Strength and Pasta Viscoelasticity

    N. P. Ames;J. M. Clarke;B. A. Marchylo;J. E. Dexter

  • Concentration of cadmium and other elements in the grain of near-isogenic durum lines

    J. M. Clarke;W. A. Norvell;F. R. Clarke;W. T. Buckley

Frequent Co-Authors

R. M. DePauw
R. M. DePauw Agriculture and Agriculture-Food Canada
Asheesh K. Singh
Asheesh K. Singh Iowa State University
Daryl J. Somers
Daryl J. Somers Agriculture and Agriculture-Food Canada
Marco Maccaferri
Marco Maccaferri University of Bologna
C. A. Campbell
C. A. Campbell Agriculture and Agriculture-Food Canada
Karim Ammar
Karim Ammar International Maize and Wheat Improvement Center
Roberto Tuberosa
Roberto Tuberosa University of Bologna
Gregory J. Taylor
Gregory J. Taylor University of Alberta
Yantai Gan
Yantai Gan Agriculture and Agriculture-Food Canada
Andrew G. Sharpe
Andrew G. Sharpe University of Saskatchewan

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