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D-Index & Metrics

Discipline name D-Index World Ranking Current World Ranking National Ranking Current National Ranking Publications Citations
Plant Science and Agronomy 46 2689 2497 664 590 242 8208

Donald Penner publications per year

The chart shows the history of publications by Donald Penner between 1965 and 2024, highlighting the no. of papers published in each year and offering an overview of the publication velocity of this scholar. Donald Penner published across 60 years, from 1965 to 2024, averaging 4.2 papers a year. Output peaked at 14 publications in 1978. 1 of the 251 publications appeared in the last two years.

No. of publications
5 10
Bar chart. Horizontal axis: year, 1965 to 2024. Vertical axis: number of publications, 0 to 14. Peak 14 publications in 1978. 1965: 1 publication 1966: 2 publications 1967: 2 publications 1968: 3 publications 1969: 1 publication 1970: 4 publications 1971: 3 publications 1972: 7 publications 1973: 9 publications 1974: 5 publications 1975: 9 publications 1976: 10 publications 1977: 3 publications 1978: 14 publications 1979: 5 publications 1980: 8 publications 1981: 1 publication 1982: 8 publications 1983: 3 publications 1984: 3 publications 1985: 5 publications 1986: 7 publications 1987: 4 publications 1988: 4 publications 1989: 3 publications 1990: 4 publications 1991: 1 publication 1992: 6 publications 1993: 7 publications 1994: 3 publications 1995: 11 publications 1996: 5 publications 1997: 9 publications 1998: 11 publications 1999: 12 publications 2000: 6 publications 2001: 3 publications 2002: 2 publications 2003: 6 publications 2004: 1 publication 2005: 8 publications 2006: 6 publications 2007: 6 publications 2008: 3 publications 2009: 2 publications 2010: 1 publication 2011: 2 publications 2012: 1 publication 2013: 2 publications 2014: 1 publication 2015: 1 publication 2016: 1 publication 2017: 0 publications 2018: 2 publications 2019: 2 publications 2020: 0 publications 2021: 1 publication 2022: 0 publications 2023: 0 publications 2024: 1 publication
1965 2024

251 publications in total across all disciplines

View publications per year as a table
Donald Penner: publications per year, 1965 to 2024
Year Publications
1965 1
1966 2
1967 2
1968 3
1969 1
1970 4
1971 3
1972 7
1973 9
1974 5
1975 9
1976 10
1977 3
1978 14
1979 5
1980 8
1981 1
1982 8
1983 3
1984 3
1985 5
1986 7
1987 4
1988 4
1989 3
1990 4
1991 1
1992 6
1993 7
1994 3
1995 11
1996 5
1997 9
1998 11
1999 12
2000 6
2001 3
2002 2
2003 6
2004 1
2005 8
2006 6
2007 6
2008 3
2009 2
2010 1
2011 2
2012 1
2013 2
2014 1
2015 1
2016 1
2017 0
2018 2
2019 2
2020 0
2021 1
2022 0
2023 0
2024 1
Total 251
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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.

No. of scientists
50 100 150 200 250
Bar chart with 88 bars. Horizontal axis: publications, 36–40 to 467+. Vertical axis: number of scientists, 0 to 255. Most scientists, 255, have 111–115 publications. The last bar groups every scientist with 467 publications or more. The highlighted bar, 241–245 publications, is where this scientist sits. 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
36–40 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.

View publications distribution as a table
Number of Plant Science and Agronomy scientists by publication count, Research.com 2026 ranking edition. Based on 6,494 ranked scientists.
Publications Scientists This scientist
36–40 2
41–45 7
46–50 40
51–55 58
56–60 60
61–65 107
66–70 130
71–75 153
76–80 191
81–85 199
86–90 206
91–95 218
96–100 226
101–105 227
106–110 247
111–115 255
116–120 253
121–125 233
126–130 219
131–135 201
136–140 194
141–145 176
146–150 157
151–155 147
156–160 151
161–165 159
166–170 137
171–175 128
176–180 126
181–185 98
186–190 114
191–195 100
196–200 90
201–205 71
206–210 98
211–215 70
216–220 86
221–225 61
226–230 58
231–235 53
236–240 64
241–245 39 242
246–250 46
251–255 51
256–260 36
261–265 44
266–270 35
271–275 30
276–280 33
281–285 35
286–290 36
291–295 26
296–300 26
301–305 31
306–310 30
311–315 21
316–320 29
321–325 14
326–330 15
331–335 15
336–340 17
341–345 15
346–350 12
351–355 17
356–360 18
361–365 12
366–370 11
371–375 6
376–380 6
381–385 11
386–390 9
391–395 10
396–400 8
401–405 4
406–410 9
411–415 11
416–420 4
421–425 7
426–430 4
431–435 3
436–440 5
441–445 8
446–450 6
451–455 7
456–460 5
461–465 6
466 2
467+ 99
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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.

No. of scientists
50 100 150 200 250
Bar chart with 80 bars. Horizontal axis: D-Index, 30 to 109+. Vertical axis: number of scientists, 0 to 288. Most scientists, 288, have 34 D-Index. The last bar groups every scientist with 109 D-Index or more. The highlighted bar, 46 D-Index, is where this scientist sits. 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.

View D-Index distribution as a table
Number of Plant Science and Agronomy scientists by D-index, Research.com 2026 ranking edition. Based on 6,494 ranked scientists.
D-Index Scientists This scientist
30 200
31 236
32 253
33 283
34 288
35 240
36 246
37 243
38 247
39 229
40 232
41 230
42 228
43 219
44 193
45 164
46 158 46
47 143
48 131
49 127
50 122
51 122
52 110
53 102
54 98
55 79
56 85
57 88
58 91
59 62
60 61
61 59
62 54
63 61
64 59
65 58
66 41
67 49
68 39
69 32
70 40
71 47
72 38
73 28
74 29
75 28
76 22
77 21
78 25
79 26
80 19
81 16
82 12
83 16
84 14
85 11
86 17
87 13
88 10
89 12
90 18
91 16
92 16
93 17
94 12
95 8
96 9
97 9
98 11
99 12
100 5
101 8
102 4
103 11
104 5
105 9
106 7
107 4
108 8
109+ 99
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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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