World's Best Scientists 2026 revealed!

D-Index & Metrics

Discipline name D-Index World Ranking Current World Ranking National Ranking Current National Ranking Publications Citations
Genetics 77 1747 1663 799 754 184 30267

Perry B. Cregan publications per year

The chart shows the history of publications by Perry B. Cregan between 1977 and 2023, highlighting the no. of papers published in each year and offering an overview of the publication velocity of this scholar. Perry B. Cregan published across 47 years, from 1977 to 2023, averaging 4.4 papers a year. Output peaked at 23 publications in 2015. 1 of the 206 publications appeared in the last two years.

No. of publications
5 10 15 20
Bar chart. Horizontal axis: year, 1977 to 2023. Vertical axis: number of publications, 0 to 23. Peak 23 publications in 2015. 1977: 1 publication 1978: 2 publications 1979: 0 publications 1980: 1 publication 1981: 1 publication 1982: 1 publication 1983: 0 publications 1984: 4 publications 1985: 1 publication 1986: 2 publications 1987: 3 publications 1988: 3 publications 1989: 4 publications 1990: 3 publications 1991: 2 publications 1992: 5 publications 1993: 1 publication 1994: 1 publication 1995: 3 publications 1996: 3 publications 1997: 7 publications 1998: 3 publications 1999: 5 publications 2000: 6 publications 2001: 5 publications 2002: 3 publications 2003: 8 publications 2004: 6 publications 2005: 2 publications 2006: 5 publications 2007: 8 publications 2008: 7 publications 2009: 6 publications 2010: 10 publications 2011: 2 publications 2012: 4 publications 2013: 6 publications 2014: 21 publications 2015: 23 publications 2016: 13 publications 2017: 8 publications 2018: 4 publications 2019: 1 publication 2020: 1 publication 2021: 0 publications 2022: 0 publications 2023: 1 publication
1977 2023

206 publications in total across all disciplines

View publications per year as a table
Perry B. Cregan: publications per year, 1977 to 2023
Year Publications
1977 1
1978 2
1979 0
1980 1
1981 1
1982 1
1983 0
1984 4
1985 1
1986 2
1987 3
1988 3
1989 4
1990 3
1991 2
1992 5
1993 1
1994 1
1995 3
1996 3
1997 7
1998 3
1999 5
2000 6
2001 5
2002 3
2003 8
2004 6
2005 2
2006 5
2007 8
2008 7
2009 6
2010 10
2011 2
2012 4
2013 6
2014 21
2015 23
2016 13
2017 8
2018 4
2019 1
2020 1
2021 0
2022 0
2023 1
Total 206
Download as CSV

Perry B. Cregan publication distribution in Genetics in 2026

The chart shows the distribution of publications by all Research.com ranked scientists in the field of Genetics in 2026. The highlighted bar marks where Perry B. Cregan sits on this spectrum.

No. of scientists
50 100 150 200
Bar chart with 67 bars. Horizontal axis: publications, 45–54 to 703+. Vertical axis: number of scientists, 0 to 217. Most scientists, 217, have 125–134 publications. The last bar groups every scientist with 703 publications or more. The highlighted bar, 175–184 publications, is where this scientist sits. 45–54 publications: 6 scientists 55–64 publications: 10 scientists 65–74 publications: 35 scientists 75–84 publications: 84 scientists 85–94 publications: 102 scientists 95–104 publications: 151 scientists 105–114 publications: 175 scientists 115–124 publications: 203 scientists 125–134 publications: 217 scientists 135–144 publications: 205 scientists 145–154 publications: 193 scientists 155–164 publications: 188 scientists 165–174 publications: 170 scientists 175–184 publications: 178 scientists 185–194 publications: 164 scientists 195–204 publications: 173 scientists 205–214 publications: 159 scientists 215–224 publications: 134 scientists 225–234 publications: 143 scientists 235–244 publications: 105 scientists 245–254 publications: 114 scientists 255–264 publications: 92 scientists 265–274 publications: 88 scientists 275–284 publications: 87 scientists 285–294 publications: 80 scientists 295–304 publications: 62 scientists 305–314 publications: 75 scientists 315–324 publications: 67 scientists 325–334 publications: 60 scientists 335–344 publications: 52 scientists 345–354 publications: 40 scientists 355–364 publications: 48 scientists 365–374 publications: 47 scientists 375–384 publications: 46 scientists 385–394 publications: 31 scientists 395–404 publications: 27 scientists 405–414 publications: 40 scientists 415–424 publications: 30 scientists 425–434 publications: 43 scientists 435–444 publications: 29 scientists 445–454 publications: 14 scientists 455–464 publications: 28 scientists 465–474 publications: 21 scientists 475–484 publications: 21 scientists 485–494 publications: 22 scientists 495–504 publications: 17 scientists 505–514 publications: 12 scientists 515–524 publications: 11 scientists 525–534 publications: 8 scientists 535–544 publications: 8 scientists 545–554 publications: 14 scientists 555–564 publications: 4 scientists 565–574 publications: 11 scientists 575–584 publications: 5 scientists 585–594 publications: 11 scientists 595–604 publications: 12 scientists 605–614 publications: 7 scientists 615–624 publications: 6 scientists 625–634 publications: 10 scientists 635–644 publications: 9 scientists 645–654 publications: 10 scientists 655–664 publications: 6 scientists 665–674 publications: 6 scientists 675–684 publications: 6 scientists 685–694 publications: 4 scientists 695–702 publications: 6 scientists 703+ publications: 100 scientists
45–54 publications 703+

This scientist: 184 publications — 44th percentile

44% of scientists in this discipline score the same or lower.

The last bar groups every scientist with 703 publications or more.

View publications distribution as a table
Number of Genetics scientists by publication count, Research.com 2026 ranking edition. Based on 4,342 ranked scientists.
Publications Scientists This scientist
45–54 6
55–64 10
65–74 35
75–84 84
85–94 102
95–104 151
105–114 175
115–124 203
125–134 217
135–144 205
145–154 193
155–164 188
165–174 170
175–184 178 184
185–194 164
195–204 173
205–214 159
215–224 134
225–234 143
235–244 105
245–254 114
255–264 92
265–274 88
275–284 87
285–294 80
295–304 62
305–314 75
315–324 67
325–334 60
335–344 52
345–354 40
355–364 48
365–374 47
375–384 46
385–394 31
395–404 27
405–414 40
415–424 30
425–434 43
435–444 29
445–454 14
455–464 28
465–474 21
475–484 21
485–494 22
495–504 17
505–514 12
515–524 11
525–534 8
535–544 8
545–554 14
555–564 4
565–574 11
575–584 5
585–594 11
595–604 12
605–614 7
615–624 6
625–634 10
635–644 9
645–654 10
655–664 6
665–674 6
675–684 6
685–694 4
695–702 6
703+ 100
Download as CSV

Perry B. Cregan D-index placement in Genetics in 2026

The chart shows the D-index (discipline H-index) distribution of Genetics scientists ranked by Research.com in 2026. The highlighted bar marks where Perry B. Cregan sits on this spectrum.

No. of scientists
50 100 150
Bar chart with 61 bars. Horizontal axis: D-Index, 40–41 to 160+. Vertical axis: number of scientists, 0 to 191. Most scientists, 191, have 62–63 D-Index. The last bar groups every scientist with 160 D-Index or more. The highlighted bar, 76–77 D-Index, is where this scientist sits. 40–41 D-Index: 24 scientists 42–43 D-Index: 52 scientists 44–45 D-Index: 84 scientists 46–47 D-Index: 112 scientists 48–49 D-Index: 118 scientists 50–51 D-Index: 141 scientists 52–53 D-Index: 143 scientists 54–55 D-Index: 145 scientists 56–57 D-Index: 179 scientists 58–59 D-Index: 162 scientists 60–61 D-Index: 175 scientists 62–63 D-Index: 191 scientists 64–65 D-Index: 172 scientists 66–67 D-Index: 184 scientists 68–69 D-Index: 164 scientists 70–71 D-Index: 158 scientists 72–73 D-Index: 150 scientists 74–75 D-Index: 136 scientists 76–77 D-Index: 127 scientists 78–79 D-Index: 127 scientists 80–81 D-Index: 111 scientists 82–83 D-Index: 110 scientists 84–85 D-Index: 110 scientists 86–87 D-Index: 84 scientists 88–89 D-Index: 102 scientists 90–91 D-Index: 66 scientists 92–93 D-Index: 72 scientists 94–95 D-Index: 70 scientists 96–97 D-Index: 54 scientists 98–99 D-Index: 60 scientists 100–101 D-Index: 49 scientists 102–103 D-Index: 55 scientists 104–105 D-Index: 45 scientists 106–107 D-Index: 42 scientists 108–109 D-Index: 28 scientists 110–111 D-Index: 39 scientists 112–113 D-Index: 25 scientists 114–115 D-Index: 31 scientists 116–117 D-Index: 29 scientists 118–119 D-Index: 34 scientists 120–121 D-Index: 29 scientists 122–123 D-Index: 29 scientists 124–125 D-Index: 18 scientists 126–127 D-Index: 27 scientists 128–129 D-Index: 22 scientists 130–131 D-Index: 16 scientists 132–133 D-Index: 11 scientists 134–135 D-Index: 17 scientists 136–137 D-Index: 12 scientists 138–139 D-Index: 21 scientists 140–141 D-Index: 4 scientists 142–143 D-Index: 9 scientists 144–145 D-Index: 14 scientists 146–147 D-Index: 6 scientists 148–149 D-Index: 10 scientists 150–151 D-Index: 7 scientists 152–153 D-Index: 9 scientists 154–155 D-Index: 8 scientists 156–157 D-Index: 8 scientists 158–159 D-Index: 9 scientists 160+ D-Index: 96 scientists
40–41 D-Index 160+

This scientist: 77 D-Index — 60th percentile

60% of scientists in this discipline score the same or lower.

The last bar groups every scientist with 160 D-Index or more.

View D-Index distribution as a table
Number of Genetics scientists by D-index, Research.com 2026 ranking edition. Based on 4,342 ranked scientists.
D-Index Scientists This scientist
40–41 24
42–43 52
44–45 84
46–47 112
48–49 118
50–51 141
52–53 143
54–55 145
56–57 179
58–59 162
60–61 175
62–63 191
64–65 172
66–67 184
68–69 164
70–71 158
72–73 150
74–75 136
76–77 127 77
78–79 127
80–81 111
82–83 110
84–85 110
86–87 84
88–89 102
90–91 66
92–93 72
94–95 70
96–97 54
98–99 60
100–101 49
102–103 55
104–105 45
106–107 42
108–109 28
110–111 39
112–113 25
114–115 31
116–117 29
118–119 34
120–121 29
122–123 29
124–125 18
126–127 27
128–129 22
130–131 16
132–133 11
134–135 17
136–137 12
138–139 21
140–141 4
142–143 9
144–145 14
146–147 6
148–149 10
150–151 7
152–153 9
154–155 8
156–157 8
158–159 9
160+ 96
Download as CSV

Research.com Recognitions

  • 1998 - Fellow of the American Society of Agronomy (ASA)
  • 1998 - Fellow of the Crop Science Society of America (CSSA)

Overview

Perry B. Cregan is affiliated with the United States Department of Agriculture in the United States. Their research primarily falls within the field of Agricultural and Biological Sciences, with a focus on Plant Science. Their work includes studies in soybean genetics and cultivation, legume nitrogen-fixing symbiosis, and nematode management and characterization.

They have contributed papers to the journal Agronomy and have collaborated with several co-authors throughout their research career. Frequent co-authors include Jeneen Fields, Arnold M. Saxton, Caula A. Beyl, Dean A. Kopsell, and David L. Hyten.

One of their recent publications is titled "Seed Protein and Oil QTL in a Prominent Glycine max Genetic Pedigree: Enhancing Stability for Marker Assisted Selection," published in 2023 in Agronomy.

  • Soybean genetics and cultivation
  • Legume Nitrogen Fixing Symbiosis
  • Nematode management and characterization studies

  • Jeneen Fields
  • Arnold M. Saxton
  • Caula A. Beyl
  • Dean A. Kopsell
  • David L. Hyten

  • Agronomy

Cregan has received recognition as a Fellow of the American Society of Agronomy (ASA) in 1998 and as a Fellow of the Crop Science Society of America (CSSA) in the same year.

Best Publications

  • Genome sequence of the palaeopolyploid soybean

    Jeremy Schmutz;Steven B. Cannon;Jessica Schlueter;Jessica Schlueter;Jianxin Ma

  • A reference genome for common bean and genome-wide analysis of dual domestications

    Jeremy Schmutz;Phillip E McClean;Sujan Mamidi;G Albert Wu

  • An Integrated Genetic Linkage Map of the Soybean Genome

    P.B. Cregan;T. Jarvik;A.L. Bush;R.C. Shoemaker

  • A new integrated genetic linkage map of the soybean.

    Q.J. Song;L.F. Marek;R.C. Shoemaker;K.G. Lark

  • Length polymorphisms of simple sequence repeat DNA in soybean.

    Mahinur S. Akkaya;Arvind A. Bhagwat;Perry B. Cregan

  • Impacts of genetic bottlenecks on soybean genome diversity.

    David L. Hyten;Qijian Song;Qijian Song;Youlin Zhu;Youlin Zhu;Ik Young Choi

  • Development and mapping of microsatellite (SSR) markers in wheat.

    Q. J. Song;Q. J. Song;J. R. Shi;S. Singh;E. W. Fickus

  • Development and evaluation of SoySNP50K, a high-density genotyping array for soybean.

    Qijian Song;David L. Hyten;Gaofeng Jia;Charles V. Quigley

  • DNA markers for Fusarium head blight resistance QTLs in two wheat populations

    J. A. Anderson;R. W. Stack;S. Liu;B. L. Waldron

  • Single-Nucleotide Polymorphisms in Soybean

    Y. L. Zhu;Y. L. Zhu;Q. J. Song;Q. J. Song;D. L. Hyten;C. P. Van Tassell

  • A genome-wide association study of seed protein and oil content in soybean.

    Eun-Young Hwang;Qijian Song;Gaofeng Jia;James E Specht

  • The use of microsatellite DNA markers for soybean genotype identification

    J. Rongwen;M. S. Akkaya;A. A. Bhagwat;U. Lavi

  • Genetics of Soybean Agronomic Traits: I. Comparison of Three Related Recombinant Inbred Populations

    J. H. Orf;K. Chase;T. Jarvik;L. M. Mansur

  • Genetic Mapping of Agronomic Traits Using Recombinant Inbred Lines of Soybean

    L. M. Mansur;J. H. Orf;K. Chase;T. Jarvik

  • Integration of Simple Sequence Repeat DNA Markers into a Soybean Linkage Map

    Mahinur S. Akkaya;Randy C. Shoemaker;James E. Specht;Arvind A. Bhagwat

  • The Seed Protein, Oil, and Yield QTL on Soybean Linkage Group I

    J. Chung;H. L. Babka;G. L. Graef;P. E. Staswick

  • A soybean transcript map: gene distribution, haplotype and single-nucleotide polymorphism analysis.

    Ik Young Choi;David L. Hyten;Lakshmi K. Matukumalli;Qijian Song

  • Genome organization in dicots: genome duplication in Arabidopsis and synteny between soybean and Arabidopsis.

    David Grant;Perry Cregan;Randy C. Shoemaker

  • Automated sizing of fluorescent-labeled simple sequence repeat (SSR) markers to assay genetic variation in soybean

    N. Diwan;P. B. Cregan

  • Impacts of genetic bottlenecks on soybeangenome diversity

    D. L. Hyten;Qijian Song;Youlin Zhu;Ik-Young Choi

Frequent Co-Authors

Qijian Song
Qijian Song Agricultural Research Service
David L. Hyten
David L. Hyten University of Nebraska–Lincoln
James E. Specht
James E. Specht University of Nebraska–Lincoln
Randy C. Shoemaker
Randy C. Shoemaker Agricultural Research Service
Randall L. Nelson
Randall L. Nelson University of Illinois at Urbana-Champaign
Henry T. Nguyen
Henry T. Nguyen University of Missouri
Dechun Wang
Dechun Wang Michigan State University
J. Grover Shannon
J. Grover Shannon University of Missouri
Michael J. Sadowsky
Michael J. Sadowsky University of Minnesota
Phillip N. Miklas
Phillip N. Miklas Agricultural Research Service

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:

Related Online Degrees & Career Pathways

Interested in building a career related to genetics? The field of genetics intersects with many other in-demand areas in healthcare and science. For those considering a flexible education path, a variety of online degree programs can help you gain relevant skills from home.

Nurses looking to expand their qualifications can explore online msn fnp programs, which prepare graduates for advanced practice roles. If cost is a concern, several affordable nursing programs enable you to start or continue your journey with lower financial barriers.

For nurses seeking the highest clinical expertise, the cheapest dnp online programs offer a pathway to leadership in healthcare, which may include roles in genomic nursing and research. Registered nurses looking to move forward quickly can consider rn to bsn online cheap and fast programs that build on existing skills and open doors to genetics-related careers.

With these accessible learning opportunities, you can tailor your education to your interests—whether that means specializing in genetics, advancing your nursing career, or exploring interdisciplinary roles in modern healthcare.

Best Scientists Citing Perry B. Cregan

Trending Scientists

Recently Published Articles