World's Best Scientists 2026 revealed!

D-Index & Metrics

Plant Science and Agronomy

D-Index
56
Citations
15752
World Ranking
1493
National Ranking
132

Harry Smith 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 Harry Smith 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: 165 publications — 65th percentile

65% of scientists in this discipline score the same or lower.

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

Harry Smith 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 Harry Smith 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: 56 D-Index — 77th percentile

77% 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
  • Gene

The scientist’s investigation covers issues in Phytochrome, Botany, Shade avoidance, Mutant and Wild type. His Phytochrome research is multidisciplinary, incorporating perspectives in Tree canopy, Competition, Photomorphogenesis, Adaptation and Phytochrome A. His study in Botany is interdisciplinary in nature, drawing from both Arabidopsis thaliana, Etiolation and Cell biology.

His research in Shade avoidance intersects with topics in Transgene, Ecology, Perception and Solanaceae. His Ecology research includes elements of Daylight and Photobiology. His studies deal with areas such as Evolutionary biology, Biological evolution, Phytochrome B and Plant Physiological Phenomena as well as Perception.

His most cited work include:

  • Phytochromes and light signal perception by plants—an emerging synthesis (1118 citations)
  • Light Quality, Photoperception, and Plant Strategy (1020 citations)
  • The shade avoidance syndrome: multiple responses mediated by multiple phytochromes (530 citations)

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

Phytochrome, Botany, Far-red, Shade avoidance and Etiolation are his primary areas of study. His Phytochrome research is multidisciplinary, relying on both Mutant, Hypocotyl, Photomorphogenesis, Cell biology and Phytochrome A. His Botany study combines topics from a wide range of disciplines, such as Arabidopsis thaliana, Biophysics, Arabidopsis and Horticulture.

His studies in Far-red integrate themes in fields like Enzyme assay, Phenylalanine ammonia-lyase activity, Optics, Plant physiology and Mode of action. As a part of the same scientific study, Harry Smith usually deals with the Shade avoidance, concentrating on Genetically modified crops and frequently concerns with Dwarfing. His research in Etiolation tackles topics such as Chlorophyll which are related to areas like Pisum and Chloroplast.

He most often published in these fields:

  • Phytochrome (65.29%)
  • Botany (52.07%)
  • Far-red (19.01%)

What were the highlights of his more recent work (between 1998-2013)?

  • Phytochrome (65.29%)
  • Botany (52.07%)
  • Molecular ecology (3.31%)

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

Harry Smith mostly deals with Phytochrome, Botany, Molecular ecology, Phytochrome A and Library science. His Phytochrome research integrates issues from Specific activity, Cotyledon, Shade avoidance, Cucurbita and Hypocotyl. The concepts of his Shade avoidance study are interwoven with issues in Far-red, Photomorphogenesis and Plant physiology.

His Plant cell research extends to the thematically linked field of Botany. His biological study spans a wide range of topics, including Biophysics, Etiolation and Seedling. His research investigates the connection with Evolutionary biology and areas like Biological evolution which intersect with concerns in Ecology.

Between 1998 and 2013, his most popular works were:

  • Phytochromes and light signal perception by plants—an emerging synthesis (1118 citations)
  • A road map for molecular ecology. (90 citations)
  • Physiological interactions of phytochromes A, B1 and B2 in the control of development in tomato. (75 citations)

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

  • Enzyme
  • Gene
  • Botany

His primary areas of study are Phytochrome, Ecology, Phytochrome A, Botany and Ecology. The various areas that Harry Smith examines in his Phytochrome study include Mutant and Shade avoidance. His work carried out in the field of Shade avoidance brings together such families of science as Biological evolution, Plant Physiological Phenomena, Perception and Photobiology.

His Phytochrome A research is multidisciplinary, incorporating elements of Biophysics, Phytochrome B, Carrier protein, Basic Helix-Loop-Helix Transcription Factors and Arabidopsis Proteins. He has researched Botany in several fields, including Far-red, Photomorphogenesis, Etiolation and Cell biology. His Ecology research includes elements of Evolutionary biology and MOLECULAR BIOLOGY METHODS.

Best Publications

  • Phytochromes and light signal perception by plants—an emerging synthesis

    Harry Smith

  • Light Quality, Photoperception, and Plant Strategy

    Harry Smith

  • The shade avoidance syndrome: multiple responses mediated by multiple phytochromes

    H. Smith;G. C. Whitelam

  • Physiological and Ecological Function within the Phytochrome Family

    Harry Smith

  • Phenotypic plasticity: linking molecular mechanisms with evolutionary outcomes

    Carl D. Schlichting;Harry Smith

  • A systematic relationship between phytochrome-controlled development and species habitat, for plants grown in simulated natural radiation.

    D. C. Morgan;H. Smith

  • Phytochrome, a family of photoreceptors with multiple physiological roles

    H. Smith;G. C. Whitelam

  • A Test of the Adaptive Plasticity Hypothesis Using Transgenic and Mutant Plants Disabled in Phytochrome-Mediated Elongation Responses to Neighbors

    Johanna Schmitt;Alex C. McCormac;Harry Smith

  • Sensing the light environment: the functions of the phytochrome family

    Harry Smith

  • Plants and the daylight spectrum.

    H. Smith

  • The function, action and adaptive significance of phytochrome in light-grown plants

    J. J. Casal;H. Smith

  • Genetic engineering of harvest index in tobacco through overexpression of a phytochrome gene

    Paul R.H. Robson;Alex C. McCormac;Anne S. Irvine;Harry Smith

  • Penetration of light into soil and its role in the control of seed germination

    D. Bliss;H. Smith

  • PHYTOCHROME CONTROL OF SEED GERMINATION IN THE TROPICAL RAIN FOREST PIONEER TREES CECROPIA OBTUSIFOLIA AND PIPER AURITUM AND ITS ECOLOGICAL SIGNIFICANCE

    C. Vázquez‐Yanes;H. Smith

  • Reflection signals and the perception by phytochrome of the proximity of neighbouring vegetation

    H. Smith;J. J. Casal;G. M. Jackson

  • Transgene-mediated auxin overproduction in Arabidopsis: hypocotyl elongation phenotype and interactions with the hy6-1 hypocotyl elongation and axr1 auxin-resistant mutants.

    Charles P. Romano;Paul R. H. Robson;Harry Smith;Mark Estelle

  • Retention of Phytochrome-Mediated Shade Avoidance Responses in Phytochrome-Deficient Mutants of Arabidopsis, Cucumber and Tomato

    Garry C. Whitelam;Harry Smith

  • Selected components of the shade-avoidance syndrome are displayed in a normal manner in mutants of Arabidopsis thaliana and Brassica rapa deficient in phytochrome B

    Paul R. H. Robson;Garry C. Whitelam;Harry Smith

  • Rapid photomodulation of stem extension in light-grownSinapis alba L. : Studies on kinetics, site of perception and photoreceptor.

    D. C. Morgan;T. O'Brien;H. Smith

  • Proximity signal and shade avoidance differences between early and late successional trees

    Ian R. Gilbert;Paul G. Jarvis;Harry Smith

  • Phytochrome and Photomorphogenesis in Plants

    Harry Smith

  • CONTROL OF DEVELOPMENT IN CHENOPODIUM ALBUM L. BY SHADELIGHT: THE EFFECT OF LIGHT QUANTITY (TOTAL FLUENCE RATE) AND LIGHT QUALITY (RED.FAR-RED RATIO)

    D. C. Morgan;Harry Smith

  • Photoresponses of transgenic Arabidopsis seedlings expressing introduced phytochrome B‐encoding cDNAs: evidence that phytochrome A and phytochrome B have distinct photoregulatory functions

    Alex C. McCormac;Doris Wagner;Margaret T. Boylan;Peter H. Quail

  • The perception of light quality

    Harry Smith

  • Antagonistic but Complementary Actions of Phytochromes A and B Allow Optimum Seedling De-Etiolation

    H. Smith;Yong Xu;P.H. | Quail

Frequent Co-Authors

Garry C. Whitelam
Garry C. Whitelam University of Leicester
Loren H. Rieseberg
Loren H. Rieseberg University of British Columbia
Jorge J. Casal
Jorge J. Casal University of Buenos Aires
Matthew E. Hudson
Matthew E. Hudson University of Illinois at Urbana-Champaign
Peter H. Quail
Peter H. Quail University of California, Berkeley
Paul G. Jarvis
Paul G. Jarvis University of Edinburgh
James L. Weller
James L. Weller University of Tasmania
David C. Fork
David C. Fork Carnegie Institution for Science
Maarten Koornneef
Maarten Koornneef Max Planck Institute for Plant Breeding Research
Richard M. Amasino
Richard M. Amasino University of Wisconsin–Madison

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