World's Best Scientists 2026 revealed!

D-Index & Metrics

Plant Science and Agronomy

D-Index
44
Citations
5646
World Ranking
3115
National Ranking
781

Donald R. Geiger 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 Donald R. Geiger 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: 92 publications — 19th percentile

19% of scientists in this discipline score the same or lower.

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

Donald R. Geiger 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 Donald R. Geiger 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: 44 D-Index — 55th percentile

55% 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:

  • Enzyme
  • Botany
  • Photosynthesis

Donald R. Geiger mainly investigates Botany, Photosynthesis, Phloem, Sucrose and Sugar beet. His research integrates issues of Carbon, Carbon cycle and Photosynthetic carbon metabolism in his study of Botany. Donald R. Geiger conducts interdisciplinary study in the fields of Photosynthesis and Chromosomal translocation through his research.

His Phloem study combines topics from a wide range of disciplines, such as Sugar, Glyphosate and Chromatography. His work focuses on many connections between Sucrose and other disciplines, such as Mannitol, that overlap with his field of interest in Fructose and Centrifugation. His Sugar beet study incorporates themes from Biochemistry and Animal science.

His most cited work include:

  • Diurnal Regulation of Photosynthetic Carbon Metabolism in C3 Plants (263 citations)
  • Identification, Purification, and Molecular Cloning of a Putative Plastidic Glucose Translocator (205 citations)
  • Structural and Physiological Changes in Sugar Beet Leaves during Sink to Source Conversion (129 citations)

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

Donald R. Geiger mostly deals with Botany, Sugar beet, Photosynthesis, Sucrose and Horticulture. Donald R. Geiger interconnects Carbon and Metabolism in the investigation of issues within Botany. Borrowing concepts from Chromosomal translocation, Donald R. Geiger weaves in ideas under Sugar beet.

Donald R. Geiger combines subjects such as Phaseolus, Agronomy and Starch with his study of Photosynthesis. His Sucrose research is multidisciplinary, incorporating perspectives in Fructose, Phloem and Mannitol. His research investigates the connection between Horticulture and topics such as Molar concentration that intersect with issues in Potassium.

He most often published in these fields:

  • Botany (43.62%)
  • Sugar beet (43.62%)
  • Photosynthesis (36.17%)

What were the highlights of his more recent work (between 1992-2016)?

  • Biochemistry (15.96%)
  • Photosynthesis (36.17%)
  • Botany (43.62%)

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

Donald R. Geiger spends much of his time researching Biochemistry, Photosynthesis, Botany, Ecology and Glyphosate. His work on Starch, Carbohydrate, Enzyme and Starch grain as part of general Biochemistry research is frequently linked to Glucose transporter, bridging the gap between disciplines. The various areas that Donald R. Geiger examines in his Starch study include photoperiodism and Sucrose.

The Photosynthesis study combines topics in areas such as Sugar and Pyruvate carboxylase. His Botany research integrates issues from Allometry and Sucrose synthase. His biological study spans a wide range of topics, including Sugar beet and Horticulture.

Between 1992 and 2016, his most popular works were:

  • Diurnal Regulation of Photosynthetic Carbon Metabolism in C3 Plants (263 citations)
  • Identification, Purification, and Molecular Cloning of a Putative Plastidic Glucose Translocator (205 citations)
  • Role of starch in carbon translocation and partitioning at the plant level (70 citations)

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

  • Enzyme
  • Botany
  • Metabolism

Donald R. Geiger mainly focuses on Biochemistry, Botany, Sucrose, Photosynthesis and Arabidopsis. His study in the field of Carbohydrate is also linked to topics like Glucose transporter. His studies in Carbohydrate integrate themes in fields like Isomaltose and Maltose.

The study incorporates disciplines such as Sucrose synthase and Sucrose synthase activity in addition to Botany. His Sucrose study combines topics in areas such as Dry matter and Horticulture. His Photosynthesis research is multidisciplinary, incorporating elements of Sugar, Carbon, Carbon cycle and Photosynthetic carbon metabolism.

Best Publications

  • Diurnal Regulation of Photosynthetic Carbon Metabolism in C3 Plants

    Donald R. Geiger;Jerome C. Servaites

  • Identification, Purification, and Molecular Cloning of a Putative Plastidic Glucose Translocator

    Andreas Weber;Jerome C. Servaites;Donald R. Geiger;Heike Kofler

  • Solute distribution in sugar beet leaves in relation to Phloem loading and translocation.

    Donald R. Geiger;Robert T. Giaquinta;Susan A. Sovonick;Robert J. Fellows

  • Diurnal Pattern of Translocation and Carbohydrate Metabolism in Source Leaves of Beta vulgaris L.

    Bernadette R. Fondy;Donald R. Geiger

  • Structural and Physiological Changes in Sugar Beet Leaves during Sink to Source Conversion

    Robert J. Fellows;Donald R. Geiger

  • Effects of translocation and assimilate demand on photosynthesis

    Donald R. Geiger

  • Uptake and Distribution of N-Phosphonomethylglycine in Sugar Beet Plants

    Judy A. Gougler;Donald R. Geiger

  • Evidence for active Phloem loading in the minor veins of sugar beet.

    Susan A. Sovonick;Donald R. Geiger;Robert J. Fellows

  • Self-limitation of herbicide mobility by phytotoxic action.

    Donald R. Geiger;Hank D. Bestman

  • Glyphosate Effects on Carbon Assimilation, Ribulose Bisphosphate Carboxylase Activity, and Metabolite Levels in Sugar Beet Leaves

    Jerome C. Servaites;Michelle A. Tucci;Donald R. Geiger

  • Role of starch in carbon translocation and partitioning at the plant level

    Donald R. Geiger;Jerome C. Servaites;Mark A. Fuchs

  • Role of Free Space in Translocation in Sugar Beet

    Donald R. Geiger;Susan A. Sovonick;Terri L. Shock;Robert J. Fellows

  • Carbon Allocation and Response to Stress

    Donald R. Geiger;Jerome C. Servaites

  • Sugar Selectivity and Other Characteristics of Phloem Loading in Beta vulgaris L.

    Bernadette R. Fondy;Donald R. Geiger

  • Control of Partitioning and Export of Carbon in Leaves of Higher-Plants

    Donald R. Geiger

  • Mechanism of Inhibition of Translocation by Localized Chilling

    Robert T. Giaquinta;Donald R. Geiger

  • Photosynthesis, Carbohydrate Metabolism, and Export in Beta vulgaris L. and Phaseolus vulgaris L. during Square and Sinusoidal Light Regimes

    Bernadette R. Fondy;Donald R. Geiger;Jerome C. Servaites

  • Effect of environmental factors on whole plant assimilate partitioning and associated gene expression

    Donald R. Geiger;Karen E. Koch;Wen-Jang Shieh

  • Glyphosate inhibits photosynthesis and allocation of carbon to starch in sugar beet leaves.

    Donald R. Geiger;Shelly W. Kapitan;Michelle A. Tucci

  • Growth, sucrose synthase, and invertase activities of developing Phaseolus vulgaris L. fruits

    Shi-Jean S. Sung;W.J. Sheih;D.R. Geiger;C.C. Black

  • Evaluation of Selected Parameters in a Sugar Beet Translocation System

    Donald R. Geiger;C. A. Swanson

Frequent Co-Authors

Andreas P. M. Weber
Andreas P. M. Weber Heinrich Heine University Düsseldorf
Ulf-Ingo Flügge
Ulf-Ingo Flügge University of Cologne
Karen E. Koch
Karen E. Koch University of Florida

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