World's Best Scientists 2026 revealed!

D-Index & Metrics

Plant Science and Agronomy

D-Index
46
Citations
8208
World Ranking
2689
National Ranking
664

Donald Penner 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 Penner 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: 242 publications — 86th percentile

86% of scientists in this discipline score the same or lower.

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

Donald Penner 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 Penner 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.

Research.com Recognitions

  • 1995 - Fellow of the American Association for the Advancement of Science (AAAS)

Overview

What is he best known for?

The fields of study he is best known for:

  • Botany
  • Organic chemistry
  • Enzyme

His primary areas of investigation include Glyphosate, Agronomy, Horticulture, Bentazon and Botany. The study incorporates disciplines such as Glycine, Cirsium arvense, Calcium, Nuclear chemistry and Shoot in addition to Glyphosate. His Agronomy study frequently draws connections to adjacent fields such as Trimethylsulfonium.

His work in the fields of Horticulture, such as Squash, intersects with other areas such as Plant disease. His research in Bentazon intersects with topics in Imazapyr, Lambsquarters and Pulmonary surfactant. His Botany study integrates concerns from other disciplines, such as Ploidy, Chloroplast, Locus and Acetolactate synthase.

His most cited work include:

  • Adsorption, Mobility, and Microbial Degradation of Glyphosate in the Soil (352 citations)
  • Absorption, Action, and Translocation of Glyphosate (206 citations)
  • Rapid Inactivation of Glyphosate in the Soil (191 citations)

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

Agronomy, Horticulture, Botany, Glyphosate and Weed are his primary areas of study. His work on Lambsquarters, Zea mays, Weed control and Metolachlor as part of his general Agronomy study is frequently connected to Adjuvant, thereby bridging the divide between different branches of science. Donald Penner has researched Lambsquarters in several fields, including Setaria faberi and Abutilon.

The concepts of his Horticulture study are interwoven with issues in Metribuzin, Poa pratensis and Bentazon. He studied Botany and Chromosomal translocation that intersect with Absorption. His Glyphosate research is multidisciplinary, incorporating elements of Glycine and Nuclear chemistry.

He most often published in these fields:

  • Agronomy (38.74%)
  • Horticulture (27.03%)
  • Botany (18.47%)

What were the highlights of his more recent work (between 2002-2019)?

  • Agronomy (38.74%)
  • Glyphosate (13.96%)
  • Pesticide (7.21%)

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

Donald Penner spends much of his time researching Agronomy, Glyphosate, Pesticide, Horticulture and Environmental chemistry. Donald Penner connects Agronomy with Adjuvant in his research. Donald Penner combines subjects such as Chelation, Lolium rigidum, Manganese and Nuclear chemistry with his study of Glyphosate.

The Horticulture study combines topics in areas such as Sugar, Mutant cell and Botany. His biological study spans a wide range of topics, including Mode of action, Biochemistry and Metabolism. His Environmental chemistry study combines topics from a wide range of disciplines, such as Moisture, Soil pH, Field capacity and Adsorption desorption.

Between 2002 and 2019, his most popular works were:

  • POTENTIAL BASIS OF GLYPHOSATE RESISTANCE IN CALIFORNIA RIGID RYEGRASS (Lolium rigidum) (68 citations)
  • Glyphosate interaction with manganese in tank mixtures and its effect on glyphosate absorption and translocation (60 citations)
  • Adsorption, Desorption, and Degradation of Imidazolinones in Soil1 (56 citations)

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

  • Botany
  • Organic chemistry
  • Enzyme

Donald Penner mainly focuses on Agronomy, Glyphosate, Botany, Pesticide and Cultivar. His research on Agronomy frequently connects to adjacent areas such as Acetamide. His research integrates issues of Chelation, Lolium rigidum, Manganese and Nuclear chemistry in his study of Glyphosate.

In the field of Botany, his study on Desiccation and Setaria faberi overlaps with subjects such as Caprylic acid. His Pesticide research is multidisciplinary, relying on both Imazaquin, Moisture, Soil pH, Field capacity and Environmental chemistry. His Cultivar study incorporates themes from Stem rot and Sclerotinia.

Best Publications

  • Adsorption, Mobility, and Microbial Degradation of Glyphosate in the Soil

    Paul Sprankle;W. F. Meggitt;Donald Penner

  • Absorption, Action, and Translocation of Glyphosate

    Paul Sprankle;William F. Meggitt;Donald Penner

  • Statistical Tests for Hormesis and Effective Dosages in Herbicide Dose Response

    Oliver Schabenberger;Brent E. Tharp;James J. Kells;Donald Penner

  • Rapid Inactivation of Glyphosate in the Soil

    Paul Sprankle;W. F. Meggitt;Donald Penner

  • The basis for the hard-water antagonism of glyphosate activity

    Kurt D. Thelen;Evelyn P. Jackson;Donald Penner

  • Absorption, Translocation, and Activity of Fluazifop-Butyl as Influenced by Plant Growth Stage and Environment'

    James J. Kells;William F. Meggitt;Donald Penner

  • Absorption, translocation and metabolism of 14C -glyphosate in several weed species.

    C. L. Sandberg;W. F. Meggitt;Donald Penner

  • Effect of Soil pH on Imazaquin and Imazethapyr Adsorption to Soil and Phytotoxicity to Corn (Zea mays)

    K. A. Renner;W. F. Meggitt;D. Penner

  • Paraquat Resistance in Conyza

    E. Patrick Fuerst;Herbert Y. Nakatani;Alan D. Dodge;Donald Penner

  • In vitro conjugation of glutathione and other thiols with acetanilide herbicides and EPTC sulfoxide and the action of the herbicide antidote R-25788

    J. Robert C. Leavitt;Donald Penner

  • Interaction of glyphosate with postemergence soybean (Glycine max) herbicides

    Julie M. Lich;Karen A. Renner;Donald Penner

  • Biochemical mechanism and molecular basis for ALS-inhibiting herbicide resistance in sugarbeet (Beta vulgaris) somatic cell selections

    Terry R. Wright;Newell F. Bascomb;Stephen F. Sturner;Donald Penner

  • Herbicide Cross-Resistance in Triazine-Resistant Biotypes of Four Species'

    E. Patrick Fuerst;Charles J. Arntzen;Klaus Pfister;Donald Penner

  • Pinto bean (Phaseolus vulgaris) varietal tolerance to imazethapyr.

    Troy A. Bauer;Karen A. Renner;Donald Penner;James D. Kelly

  • Effect of Diluent Volume and Calcium on Glyphosate Phytotoxicity

    C. L. Sandberg;W. F. Meggitt;Donald Penner

  • Effect of Soil pH on Microbial Degradation, Adsorption, and Mobility of Metribuzin

    James S. Ladlie;William F. Meggitt;Donald Penner

  • POTENTIAL BASIS OF GLYPHOSATE RESISTANCE IN CALIFORNIA RIGID RYEGRASS (Lolium rigidum)

    Marulak Simarmata;John E. Kaufmann;Donald Penner

  • Glyphosate interaction with manganese in tank mixtures and its effect on glyphosate absorption and translocation

    Mark L. Bernards;Kurt D. Thelen;Donald Penner;Rajendra B. Muthukumaran

  • Adsorption, desorption, and degradation of imidazolinones in soil

    Tracy M. Aichele;Donald Penner

  • Physiological basis for nicosulfuron and primisulfuron selectivity in five plant species

    J. Boyd Carey;Donald Penner;James J. Kells

  • Increasing Postemergence Herbicide Efficacy and Rainfastness with Silicone Adjuvants

    Frank C. Roggenbuck;Loston Rowe;Donald Penner;Len Petroff

  • Response of Selected Weed Species to Postemergence Imazethapyr and Bentazon

    Troy A. Bauer;Karen A. Renner;Donald Penner

  • Cell selection and inheritance of imidazolinone resistance in sugarbeet (Beta vulgaris)

    T. R. Wright;D. Penner

Frequent Co-Authors

James J. Kells
James J. Kells Michigan State University
Karen A. Renner
Karen A. Renner Michigan State University
Kurt D. Thelen
Kurt D. Thelen Michigan State University
Donald L. Wyse
Donald L. Wyse University of Minnesota
Raymond Hammerschmidt
Raymond Hammerschmidt Michigan State University
James D. Kelly
James D. Kelly Michigan State University
Charles J. Arntzen
Charles J. Arntzen Arizona State University
Baruch Rubin
Baruch Rubin Hebrew University of Jerusalem

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