World's Best Scientists 2026 revealed!
VIEW LIST
John C. Steffens

D-Index & Metrics

Discipline name D-Index World Ranking Current World Ranking National Ranking Current National Ranking Publications Citations
Plant Science and Agronomy 34 5282 4947 1283 1148 65 6264

John C. Steffens publications per year

The chart shows the history of publications by John C. Steffens between 1981 and 2017, highlighting the no. of papers published in each year and offering an overview of the publication velocity of this scholar. John C. Steffens published across 37 years, from 1981 to 2017, averaging 2.2 papers a year. Output peaked at 7 publications in 1993. 1 of the 81 publications appeared in the last two years.

No. of publications
2 4 6
Bar chart. Horizontal axis: year, 1981 to 2017. Vertical axis: number of publications, 0 to 7. Peak 7 publications in 1993. 1981: 3 publications 1982: 4 publications 1983: 2 publications 1984: 0 publications 1985: 0 publications 1986: 2 publications 1987: 1 publication 1988: 1 publication 1989: 4 publications 1990: 6 publications 1991: 6 publications 1992: 5 publications 1993: 7 publications 1994: 6 publications 1995: 4 publications 1996: 2 publications 1997: 4 publications 1998: 2 publications 1999: 2 publications 2000: 6 publications 2001: 0 publications 2002: 1 publication 2003: 2 publications 2004: 3 publications 2005: 2 publications 2006: 1 publication 2007: 0 publications 2008: 0 publications 2009: 1 publication 2010: 0 publications 2011: 2 publications 2012: 1 publication 2013: 0 publications 2014: 0 publications 2015: 0 publications 2016: 0 publications 2017: 1 publication
1981 2017

81 publications in total across all disciplines

View publications per year as a table
John C. Steffens: publications per year, 1981 to 2017
Year Publications
1981 3
1982 4
1983 2
1984 0
1985 0
1986 2
1987 1
1988 1
1989 4
1990 6
1991 6
1992 5
1993 7
1994 6
1995 4
1996 2
1997 4
1998 2
1999 2
2000 6
2001 0
2002 1
2003 2
2004 3
2005 2
2006 1
2007 0
2008 0
2009 1
2010 0
2011 2
2012 1
2013 0
2014 0
2015 0
2016 0
2017 1
Total 81
Download as CSV

John C. Steffens 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 John C. Steffens 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, 61–65 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: 65 publications — 4th percentile

4% 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 65
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
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
Download as CSV

John C. Steffens 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 John C. Steffens 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, 34 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: 34 D-Index — 19th percentile

19% 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 34
35 240
36 246
37 243
38 247
39 229
40 232
41 230
42 228
43 219
44 193
45 164
46 158
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
Download as CSV

Best Publications

  • Overexpression of polyphenol oxidase in transgenic tomato plants results in enhanced bacterial disease resistance.

    Li Li;John C. Steffens

  • The Heavy Metal-Binding Peptides of Plants

    Unknown

  • Antisense downregulation of polyphenol oxidase results in enhanced disease susceptibility.

    Unknown

  • Characterization of the level, target sites and inheritance of cytosine methylation in tomato nuclear DNA.

    Ramon Messeguer;Martin W. Ganal;John C. Steffens;Steven D. Tanksley

  • Tomato Polyphenol Oxidase (Differential Response of the Polyphenol Oxidase F Promoter to Injuries and Wound Signals)

    Unknown

  • Systemic wound induction of potato (Solanum tuberosum) polyphenol oxidase

    Unknown

  • Antisense expression of polyphenol oxidase genes inhibits enzymatic browning in potato tubers

    C.W.B. Bachem;G.J. Speckmann;P.C.G. van der Linde;F.T.M. Verheggen

  • Organisation of the tomato polyphenol oxidase gene family

    Sally M. Newman;Nancy T. Eannetta;Haifeng Yu;James P. Prince

  • Suppression of polyphenol oxidases increases stress tolerance in tomato

    Unknown

  • Differential Expression and Turnover of the Tomato Polyphenol Oxidase Gene Family during Vegetative and Reproductive Development.

    Unknown

  • cDNA cloning and expression of potato polyphenol oxidase.

    Unknown

  • Dehydrocostus lactone is exuded from sunflower roots and stimulates germination of the root parasite Orobanche cumana.

    Unknown

  • Aphid deterrence by glucose esters in glandular trichome exudate of the wild tomato,Lycopersicon pennellii

    Joseph C. Goffreda;Martha A. Mutschler;Dirk A. Avé;Ward M. Tingey

  • Bio-fermentation of modified flavonoids: an example of in vivo diversification of secondary metabolites.

    Michael G Willits;Ma{ "ıté Giovanni;Rogerio T N Prata;Catherine M Kramer

  • Import, Targeting, and Processing of a Plant Polyphenol Oxidase

    Unknown

  • Purification and Characterization of Polyphenol Oxidase from Glandular Trichomes of Solanum berthaultii

    Unknown

  • Genetic Control and Evolution of Sesquiterpene Biosynthesis in Lycopersicon esculentum and L. hirsutum

    Rutger S. van der Hoeven;Antonio J. Monforte;David Breeden;Steven D. Tanksley

  • Cloning and regiospecificity studies of two flavonoid glucosyltransferases from Allium cepa.

    Catherine M. Kramer;Rogerio T.N. Prata;Michael G. Willits;Vincenzo De Luca

  • Sucrose esters of carboxylic acids in glandular trichomes ofSolanum berthaultii deter settling and probing by green peach aphid.

    Jonathan J. Neal;Ward M. Tingey;John C. Steffens

  • Utilization of the genetic resources of wild species to create a nontransgenic high flavonoid tomato.

    Michael G. Willits;Catherine M. Kramer;Rogerio T. N. Prata;Vincenzo De Luca

Frequent Co-Authors

Ward M. Tingey
Ward M. Tingey Cornell University
Martha A. Mutschler
Martha A. Mutschler Cornell University
Steven D. Tanksley
Steven D. Tanksley Cornell University
Li Li
Li Li Cornell University
Baruch Rubin
Baruch Rubin Hebrew University of Jerusalem
Jaacov Katan
Jaacov Katan Hebrew University of Jerusalem
Martin W. Ganal
Martin W. Ganal TraitGenetics GmbH
Yigal Cohen
Yigal Cohen Bar-Ilan University
Antonio J. Monforte
Antonio J. Monforte Instituto de Biologia Molecular e Celular
Deborah P. Delmer
Deborah P. Delmer University of California, Davis

External Links

Personal website of John C. Steffens

If you think any of the details on this page are incorrect, let us know.

Report an issue

We appreciate your kind effort to assist us to improve this page, it would be helpful providing us with as much detail as possible in the text box below:

Best Scientists Citing John C. Steffens

Martha A. Mutschler

Martha A. Mutschler

Cornell University

Publications: 20

Eran Pichersky

Eran Pichersky

University of Michigan–Ann Arbor

Publications: 18

A. Daniel Jones

A. Daniel Jones

Michigan State University

Publications: 18

Mónica Fernández-Aparicio

Mónica Fernández-Aparicio

Spanish National Research Council

Publications: 12

Robert C. Schuurink

Robert C. Schuurink

University of Amsterdam

Publications: 12

Juan M. Ruiz

Juan M. Ruiz

University of Granada

Publications: 11

Luis Romero

Luis Romero

University of Granada

Publications: 11

George J. Wagner

George J. Wagner

University of Kentucky

Publications: 11

C. Peter Constabel

C. Peter Constabel

University of Victoria

Publications: 11

Ward M. Tingey

Ward M. Tingey

Cornell University

Publications: 10

Philippe Delavault

Philippe Delavault

University of Nantes

Publications: 10

Craig F. Morris

Craig F. Morris

United States Department of Agriculture

Publications: 10

James J. Giovannoni

James J. Giovannoni

Boyce Thompson Institute

Publications: 9

Maria das Graças Cardoso

Maria das Graças Cardoso

Federal University of Lavras

Publications: 9

Clint Chapple

Clint Chapple

Purdue University West Lafayette

Publications: 8

Otmar Spring

Otmar Spring

University of Hohenheim

Publications: 8

Related Plant Science and Agronomy Rankings & Guides

2027 Best 6 Month Certificate Programs That Pay Well

2027 Best 6 Month Certificate Programs That Pay Well
2027 Best College Majors to Pursue: Salary & Job Growth Data

2027 Best College Majors to Pursue: Salary & Job Growth Data
2027 Best Certification Programs for Careers That Pay Well

2027 Best Certification Programs for Careers That Pay Well
2027 Easiest College Majors & Their Career Paths

2027 Easiest College Majors & Their Career Paths
2027 Best Careers for Introverts

2027 Best Careers for Introverts
2027 Online Philosophy Degree Programs Costs: Tuition & Fees

2027 Online Philosophy Degree Programs Costs: Tuition & Fees
2027 Colleges Offering 6-Week Online Courses

2027 Colleges Offering 6-Week Online Courses
2027 Best Accelerated Online Associate Degree Programs

2027 Best Accelerated Online Associate Degree Programs
2027 Competency-Based Degrees and Programs

2027 Competency-Based Degrees and Programs
2027 Best Degrees for Remote Work

2027 Best Degrees for Remote Work
2027 Quick-to-Learn Trade Jobs That Pay Well

2027 Quick-to-Learn Trade Jobs That Pay Well
2027 Best Open Enrollment Colleges Online

2027 Best Open Enrollment Colleges Online
2027 Most In-Demand Education Careers

2027 Most In-Demand Education Careers
2027 Best Part-Time Ph.D. Programs

2027 Best Part-Time Ph.D. Programs
2027 Best Online Degrees for Moms

2027 Best Online Degrees for Moms
2027 Best 6 Month Online Master's Degree Programs

2027 Best 6 Month Online Master's Degree Programs
2027 What Can You Do With a General Studies Degree?

2027 What Can You Do With a General Studies Degree?
2027 Best Online Colleges for Military Spouses & Dependents

2027 Best Online Colleges for Military Spouses & Dependents
2027 Best Accredited Online Bachelor's Degree Programs

2027 Best Accredited Online Bachelor's Degree Programs
2027 Best Careers You Can Have with an Associate of Arts Degree

2027 Best Careers You Can Have with an Associate of Arts Degree
2027 Best Degrees to Get: Popular Majors That Guarantee High Salary

2027 Best Degrees to Get: Popular Majors That Guarantee High Salary

Recently Published Articles

2027 State Licensing Differences for Medical Billing & Coding Degree Graduates

2027 State Licensing Differences for Medical Billing & Coding Degree Graduates
2027 Online Neurodiagnostic Technology Degree Programs With No Personal Statement or Admissions Essay Required

2027 Online Neurodiagnostic Technology Degree Programs With No Personal Statement or Admissions Essay Required
2027 Healthcare Administration Degree Guide: Costs, Requirements & Job Opportunities

2027 Healthcare Administration Degree Guide: Costs, Requirements & Job Opportunities
2027 Is Exercise Science a Hard Major? What Students Should Know

2027 Is Exercise Science a Hard Major? What Students Should Know
2027 Online Computer Science Doctorate Programs with Specializations: Concentrations, Tracks, and Career Paths

2027 Online Computer Science Doctorate Programs with Specializations: Concentrations, Tracks, and Career Paths
2027 How to Become a Caregiver: Certification Requirements in Florida

2027 How to Become a Caregiver: Certification Requirements in Florida
2027 Self-Paced Online Music Education Degree Master's Programs

2027 Self-Paced Online Music Education Degree Master's Programs
2027 Fastest Online Journalism Degree Programs You Can Finish in Under 2 Years

2027 Fastest Online Journalism Degree Programs You Can Finish in Under 2 Years
2027 Best Online MBA for STEM-Focused Careers

2027 Best Online MBA for STEM-Focused Careers
2027 How Fast Can You Get a Science Degree Online?

2027 How Fast Can You Get a Science Degree Online?
2027 How to Become a Nurse Practitioner in Delaware

2027 How to Become a Nurse Practitioner in Delaware
2027 Oregon Nursing License Requirements

2027 Oregon Nursing License Requirements
2027 Can You Get Into a Nutrition Program with a Low GPA? Admission Chances & Workarounds

2027 Can You Get Into a Nutrition Program with a Low GPA? Admission Chances & Workarounds
2027 Best Nursing Schools in Virginia – Accredited ADN, BSN, MSN Programs

2027 Best Nursing Schools in Virginia – Accredited ADN, BSN, MSN Programs
2027 What Prerequisites Do You Need for a Criminal Justice Degree? Entry Requirements, Credits & Eligibility Rules

2027 What Prerequisites Do You Need for a Criminal Justice Degree? Entry Requirements, Credits & Eligibility Rules
2027 Is Walden University's Online Bachelor of Social Work (BSW) Worth It? What Students Should Know

2027 Is Walden University's Online Bachelor of Social Work (BSW) Worth It? What Students Should Know
2027 Cheapest Accelerated Aviation Management Degree Programs Online

2027 Cheapest Accelerated Aviation Management Degree Programs Online
2027 Education vs. Higher Education Leadership Degree: Explaining the Difference

2027 Education vs. Higher Education Leadership Degree: Explaining the Difference
2027 Different Types of Management Degrees and Their Salaries

2027 Different Types of Management Degrees and Their Salaries
2027 Communication Degree Completion Time Report: How Long Students Actually Take to Graduate

2027 Communication Degree Completion Time Report: How Long Students Actually Take to Graduate
2027 Self-Paced Online Cybersecurity Degree Master's Programs

2027 Self-Paced Online Cybersecurity Degree Master's Programs