World's Best Scientists 2026 revealed!

D-Index & Metrics

Plant Science and Agronomy

D-Index
46
Citations
6321
World Ranking
2755
National Ranking
211

Rob R. Walker 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 Rob R. Walker 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: 132 publications — 48th percentile

48% of scientists in this discipline score the same or lower.

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

Rob R. Walker 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 Rob R. Walker 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: 46 D-Index — 60th percentile

60% 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
  • Enzyme
  • Horticulture

Rob R. Walker spends much of his time researching Horticulture, Salinity, Chloride, Shoot and Botany. Rob R. Walker studies Horticulture, focusing on Rootstock in particular. His Rootstock research incorporates themes from Yield and Pruning.

His research integrates issues of Photosynthesis, Sodium and Turgor pressure in his study of Chloride. Rob R. Walker mostly deals with Transpiration in his studies of Botany. His research investigates the connection with Transpiration and areas like Xylem which intersect with concerns in Trifoliate orange.

His most cited work include:

  • Citrus and salinity (245 citations)
  • Evapotranspiration components from energy balance, sapflow and microlysimetry techniques for an irrigated vineyard in inland Australia (134 citations)
  • An Analysis of Photosynthetic Response to Salt Treatment in Vitis vinifera (110 citations)

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

Horticulture, Rootstock, Salinity, Botany and Agronomy are his primary areas of study. His Horticulture research incorporates elements of Photosynthesis, Sodium, Irrigation and Chloride. His work carried out in the field of Rootstock brings together such families of science as Wine, Transpiration, Potassium, Shoot and Soil salinity.

His work on Saline water as part of general Salinity study is frequently connected to Mathematics and Sodium adsorption ratio, therefore bridging the gap between diverse disciplines of science and establishing a new relationship between them. The various areas that Rob R. Walker examines in his Botany study include Invertase and Sucrose. His Agronomy research incorporates themes from Vineyard and Vine.

He most often published in these fields:

  • Horticulture (69.12%)
  • Rootstock (52.94%)
  • Salinity (32.35%)

What were the highlights of his more recent work (between 2016-2021)?

  • Horticulture (69.12%)
  • Rootstock (52.94%)
  • Chloride (22.79%)

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

His primary areas of study are Horticulture, Rootstock, Chloride, Salt and Sodium. Rob R. Walker works mostly in the field of Horticulture, limiting it down to concerns involving Wine and, occasionally, Saline water. His Rootstock study combines topics in areas such as Quantitative trait locus, Cultivar and Allele.

In his research on the topic of Chloride, Abiotic component is strongly related with Salinity. His studies deal with areas such as Abscisic acid, Botany and Transpiration as well as Sodium. Rob R. Walker combines subjects such as Composition, Anthocyanin and Irrigation with his study of Yield.

Between 2016 and 2021, his most popular works were:

  • Functional differences in transport properties of natural HKT1;1 variants influence shoot Na+ exclusion in grapevine rootstocks. (31 citations)
  • Fast Phenomics in Vineyards: Development of GRover, the Grapevine Rover, and LiDAR for Assessing Grapevine Traits in the Field. (11 citations)
  • Effect of water deficits and season on berry development and composition of Cabernet Sauvignon (Vitis vinifera L.) grown in a hot climate (11 citations)

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

  • Botany
  • Enzyme
  • Horticulture

The scientist’s investigation covers issues in Shoot, Deficit irrigation, Locus, Allele and Quantitative trait locus. His Shoot study is concerned with the larger field of Botany. The study of Botany is intertwined with the study of Chloride in a number of ways.

Salinity, Abscisic acid, Transpiration, Sodium and Stomatal conductance are fields of study that overlap with his Deficit irrigation research. His Locus study frequently links to other fields, such as Gene expression. His Allele research is multidisciplinary, relying on both Rootstock, Hybrid, Transmembrane domain and Candidate gene.

Best Publications

  • Citrus and salinity

    R Storey;R.R Walker

  • Evapotranspiration components from energy balance, sapflow and microlysimetry techniques for an irrigated vineyard in inland Australia

    I.A.M. Yunusa;R.R. Walker;P. Lu

  • Rootstock effects on salt tolerance of irrigated field-grown grapevines (Vitis vinifera L. cv. Sultana).: 1. Yield and vigour inter-relationships

    Rob R. Walker;Deidre H. Blackmore;Peter R. Clingeleffer;Ray L. Correll

  • An Analysis of Photosynthetic Response to Salt Treatment in Vitis vinifera

    RR Walker;E Torokfalvy;NS Scott;PE Kriedemann

  • Characterisation of a salt-stimulated ATPase activity associated with vacuoles isolated from storage roots of red beet ( Beta vulgaris L.)

    Robert R. Walker;Roger A. Leigh

  • ATPase and acid phosphatase activities associated with vacuoles isolated from storage roots of red beet (Beta vulgaris L.)

    Roger A. Leigh;Robert R. Walker

  • Potassium in the Grape (Vitis vinifera L.) Berry: Transport and Function.

    Suzy Y. Rogiers;Zelmari A. Coetzee;Rob R. Walker;Alain Deloire;Alain Deloire;Alain Deloire

  • Sodium Exclusion and Potassium-Sodium Selectivity in Salt-Treated Trifoliate Orange (Poncirus trifoliata) and Cleopatra Mandarin (Citrus reticulata) Plants

    RR Walker

  • Effects of salinity on ionic content, water relations and gas exchange parameters in some citrus scion—Rootstock combinations

    M.H. Behboudian;E. Törökfalvy;R.R. Walker

  • Uptake and distribution of chloride, sodium and potassium ions in salt-treated citrus plants

    AM Grieve;RR Walker

  • Rootstock effects on salt tolerance of irrigated field-grown grapevines (Vitis vinifera L. cv. Sultana): 2. Ion concentrations in leaves and juice

    Rob R. Walker;Deidre H. Blackmore;Peter R. Clingeleffer;Ray L. Correll

  • Effects of water stress and salinity on photosynthesis of pistachio

    M.H. Behboudian;R.R. Walker;E. Törökfalvy

  • Effect of Salinity Level on Uptake and Distribution of Chloride, Sodium and Potassium Ions in Citrus Plants

    RR Walker;TJ Douglas

  • Regulation of canopy conductance and transpiration and their modelling in irrigated grapevines

    Ping Lu;Isa A. M. Yunusa;Rob R. Walker;Warren J. Müller

  • Shiraz berry size in relation to seed number and implications for juice and wine composition

    Rob R. Walker;Deidre H. Blackmore;Peter R. Clingeleffer;George H. Kerridge

  • Photosynthetic responses of the Citrus varieties Rangpur lime and Etrog citron to salt treatment

    RR Walker;E Torokfalvy;Wjs Downton

  • Mg2+-Dependent, cation-stimulated inorganic pyrophosphatase associated with vacuoles isolated from storage roots of red beet (Beta vulgaris L.)

    Robert R. Walker;Roger A. Leigh

  • Shoot chloride exclusion and salt tolerance in grapevine is associated with differential ion transporter expression in roots

    Sam W Henderson;Ute Baumann;Deidre H Blackmore;Amanda R Walker

  • Impact of Kaolin particle film and water deficit on wine grape water use efficiency and plant water relations.

    D. Michael Glenn;Nicola Cooley;Rob Walker;Peter Clingeleffer

  • Anatomy, Ultrastructure and Assimilate Concentrations of Roots of Citrus Genotypes Differing in Ability for Salt Exclusion

    R. R. Walker;M. Sedgley;M. A. Blesing;T. J. Douglas

  • Yield-salinity relationships of different grapevine (Vitis vinifera L.) scion-rootstock combinations

    Xike Zhang;Xike Zhang;Rob R. Walker;Rob R. Walker;Rob M. Stevens;Rob M. Stevens;Lynda D. Prior

  • Water Relations and Ion Concentrations of Leaves on Salt-stressed Citrus Plants

    RR Walker;E Torokfalvy;AM Grieve;LD Prior

  • Effect of salinity and Ramsey rootstock on ion concentrations and carbon dioxide assimilation in leaves of drip-irrigated, field-grown grapevines (Vitis vinifera L. cv. Sultana)

    Rob R. Walker;Deidre H. Blackmore;Peter R. Clingeleffer;Francesco Iacono

  • Rootstock and salinity effects on rates of berry maturation, ion accumulation and colour development in Shiraz grapes.

    Rob R. Walker;Paul E. Read;Paul E. Read;Deidre H. Blackmore

  • Impact of rootstock on yield and ion concentrations in petioles, juice and wine of Shiraz and Chardonnay in different viticultural environments with different irrigation water salinity

    Rob R. Walker;Deidre H. Blackmore;Peter R. Clingeleffer

Frequent Co-Authors

Matthew Gilliham
Matthew Gilliham University of Adelaide
Stephen D. Tyerman
Stephen D. Tyerman University of Adelaide
Roger A. Leigh
Roger A. Leigh University of Cambridge
Brian Loveys
Brian Loveys Commonwealth Scientific and Industrial Research Organisation
Mark R. Thomas
Mark R. Thomas Commonwealth Scientific and Industrial Research Organisation
Caixian Tang
Caixian Tang La Trobe University
Lynda D. Prior
Lynda D. Prior University of Tasmania
Anthony G. Condon
Anthony G. Condon Commonwealth Scientific and Industrial Research Organisation
Mark Tester
Mark Tester King Abdullah University of Science and Technology
Elizabeth A. Winzeler
Elizabeth A. Winzeler University of California, San Diego

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