World's Best Scientists 2026 revealed!
VIEW LIST
Alison J. Popay

Alison J. Popay

AgResearch
New Zealand

D-Index & Metrics

Discipline name D-Index World Ranking Current World Ranking National Ranking Current National Ranking Publications Citations
Plant Science and Agronomy 31 6235 5835 67 61 115 3395

Alison J. Popay publications per year

The chart shows the history of publications by Alison J. Popay between 1990 and 2026, highlighting the no. of papers published in each year and offering an overview of the publication velocity of this scholar. Alison J. Popay published across 37 years, from 1990 to 2026, averaging 3.4 papers a year. Output peaked at 13 publications in 2021. 7 of the 125 publications appeared in the last two years.

No. of publications
5 10
Bar chart. Horizontal axis: year, 1990 to 2026. Vertical axis: number of publications, 0 to 13. Peak 13 publications in 2021. 1990: 1 publication 1991: 2 publications 1992: 0 publications 1993: 1 publication 1994: 1 publication 1995: 2 publications 1996: 0 publications 1997: 3 publications 1998: 0 publications 1999: 1 publication 2000: 1 publication 2001: 3 publications 2002: 1 publication 2003: 3 publications 2004: 2 publications 2005: 4 publications 2006: 5 publications 2007: 7 publications 2008: 2 publications 2009: 6 publications 2010: 0 publications 2011: 5 publications 2012: 5 publications 2013: 3 publications 2014: 3 publications 2015: 3 publications 2016: 6 publications 2017: 5 publications 2018: 8 publications 2019: 1 publication 2020: 9 publications 2021: 13 publications 2022: 1 publication 2023: 5 publications 2024: 6 publications 2025: 6 publications 2026: 1 publication
1990 2026

125 publications in total across all disciplines

View publications per year as a table
Alison J. Popay: publications per year, 1990 to 2026
Year Publications
1990 1
1991 2
1992 0
1993 1
1994 1
1995 2
1996 0
1997 3
1998 0
1999 1
2000 1
2001 3
2002 1
2003 3
2004 2
2005 4
2006 5
2007 7
2008 2
2009 6
2010 0
2011 5
2012 5
2013 3
2014 3
2015 3
2016 6
2017 5
2018 8
2019 1
2020 9
2021 13
2022 1
2023 5
2024 6
2025 6
2026 1
Total 125
Download as CSV

Alison J. Popay 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 Alison J. Popay 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, 111–115 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: 115 publications — 36th percentile

36% 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
111–115 255 115
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

Alison J. Popay 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 Alison J. Popay 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, 31 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: 31 D-Index — 7th percentile

7% 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 31
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
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

  • A symbiosis expressed non‐ribosomal peptide synthetase from a mutualistic fungal endophyte of perennial ryegrass confers protection to the symbiotum from insect herbivory

    Aiko Tanaka;Brian A. Tapper;Alison Popay;Emily J. Parker

  • The exploitation of epichloae endophytes for agricultural benefit

    Linda J. Johnson;Anouck C. M. de Bonth;Lyn R. Briggs;John R. Caradus

  • New Zealand pest management: current and future challenges

    Stephen Goldson;G. W. Bourdôt;E. G. Brockerhoff;A. E. Byrom

  • Biotic Responses in Endophytic Grasses

    Alison J. Popay;Stacy A. Bonos

  • A review of the Neotyphodium lolii / Lolium perenne symbiosis and its associated effects on animal and plant health, with particular emphasis on ryegrass staggers.

    ME di Menna;SC Finch;AJ Popay;BL Smith

  • Occurrence and impact of pasture mealybug (Balanococcus poae) and root aphid (Aploneura lentisci) on ryegrass (Lolium spp.) with and without infection by Neotyphodium fungal endophytes

    C. G. L. Pennell;A. J. Popay;O. J‐P. Ball;D. E. Hume

  • Impact of novel endophytes in perennial ryegrass on herbage production and insect pests from pastures under dairy cow grazing in northern New Zealand

    E. R. Thom;A. J. Popay;C. D. Waugh;E. M. K. Minneé

  • Quantifying the economic cost of invertebrate pests to New Zealand’s pastoral industry

    Colin M. Ferguson;Barbara I. P. Barratt;Nigel Bell;Stephen L. Goldson

  • Resistance to Argentine stem weevil in perennial ryegrass infected with endophytes producing different alkaloids

    Unknown

  • Argentine stem weevil adults are affected by meadow fescue endophyte and its loline alkaloids

    J.G. Jensen;A.J. Popay;B.A. Tapper

  • Evaluating the performance of endophytes in farm systems to improve farmer outcomes – a review

    Errol R. Thom;Alison J. Popay;David E. Hume;Lester R. Fletcher

  • Endophytes improve ryegrass persistence by controlling insects

    Unknown

  • Endophyte effects on major insect pests in Waikato dairy pasture

    Unknown

  • Ryegrass endophyte: a New Zealand Grassland success story

    H.S. Easton;M.J. Christensen;J.P.J. Eerens;L.R. Fletcher

  • Cultivar and endophyte effects on a root aphid, Aploneura lentisci , in perennial ryegrass

    A.J. Popay;P.J. Gerard

  • Agronomic performance of AR37-infected ryegrass in northern New Zealand

    Unknown

  • If and when successful classical biological control fails.

    S.L. Goldson;S.L. Goldson;S.D. Wratten;C.M. Ferguson;P.J. Gerard

  • Importance of host plant species, Neotyphodium endophyte isolate, and alkaloids on feeding by Spodoptera frugiperda (Lepidoptera: Noctuidae) larvae.

    Olivier J.-P. Ball;Thomas A. Coudron;Brian A. Tapper;Elizabeth Davies

  • Endophyteinfected meadow fescue and loline alkaloids affect Argentine stem weevil larvae

    Unknown

  • Temperature and Plant Genotype Alter Alkaloid Concentrations in Ryegrass Infected with an Epichloë Endophyte and This Affects an Insect Herbivore

    Louise M. Hennessy;Alison J. Popay;Sarah C. Finch;Michael J. Clearwater

Frequent Co-Authors

Jeff R. Powell
Jeff R. Powell Western Sydney University
Scott N. Johnson
Scott N. Johnson Western Sydney University
Susan E. Hartley
Susan E. Hartley University of Sheffield
Daryl D. Rowan
Daryl D. Rowan Plant & Food Research
Jason M. Tylianakis
Jason M. Tylianakis University of Canterbury
David A. Hume
David A. Hume University of Queensland
Barry Scott
Barry Scott Massey University
Peter J. Moate
Peter J. Moate University of Melbourne
G. C. Waghorn
G. C. Waghorn AgResearch
Martin J. Auldist
Martin J. Auldist Victoria University

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 Alison J. Popay

Barry Scott

Barry Scott

Massey University

Publications: 43

Carolyn A. Young

Carolyn A. Young

North Carolina State University

Publications: 38

Christopher L. Schardl

Christopher L. Schardl

University of Kentucky

Publications: 31

German Spangenberg

German Spangenberg

La Trobe University

Publications: 24

Pedro E. Gundel

Pedro E. Gundel

University of Talca

Publications: 22

Zhibiao Nan

Zhibiao Nan

Lanzhou University

Publications: 18

Daigo Takemoto

Daigo Takemoto

Nagoya University

Publications: 16

Murray P. Cox

Murray P. Cox

Massey University

Publications: 13

Jonathan A. Newman

Jonathan A. Newman

Wilfrid Laurier University

Publications: 11

Marjo Helander

Marjo Helander

University of Turku

Publications: 11

Jochen Krauss

Jochen Krauss

University of Würzburg

Publications: 10

Daniel G. Panaccione

Daniel G. Panaccione

West Virginia University

Publications: 10

Albert Koulman

Albert Koulman

University of Cambridge

Publications: 10

John W. Forster

John W. Forster

La Trobe University

Publications: 9

Kari Saikkonen

Kari Saikkonen

University of Turku

Publications: 8

James F. White

James F. White

Rutgers, The State University of New Jersey

Publications: 8

Related Plant Science and Agronomy Rankings & Guides

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

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

2027 Best Online Degrees for Seniors
2027 Best Open Enrollment Colleges Online

2027 Best Open Enrollment Colleges Online
2027 Best Online Degrees for Felons with Records

2027 Best Online Degrees for Felons with Records
2027 Best Certification Programs for Careers That Pay Well

2027 Best Certification Programs for Careers That Pay Well
2027 Best 6 Month Certificate Programs That Pay Well

2027 Best 6 Month Certificate Programs That Pay Well
2027 Best Part-Time Ph.D. Programs

2027 Best Part-Time Ph.D. 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 College Majors to Pursue: Salary & Job Growth Data

2027 Best College Majors to Pursue: Salary & Job Growth Data
2027 Best Online Degrees for Moms

2027 Best Online Degrees for Moms
2027 Best Accredited Online Bachelor's Degree Programs

2027 Best Accredited Online Bachelor's Degree Programs
2027 Best 6 Month Online Master's Degree Programs

2027 Best 6 Month Online Master's Degree Programs
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 Online Philosophy Degree Programs for Veterans: GI Bill Benefits, Costs & Top Considerations

2027 Online Philosophy Degree Programs for Veterans: GI Bill Benefits, Costs & Top Considerations
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 Easiest College Majors & Their Career Paths

2027 Easiest College Majors & Their Career Paths
2027 Top Careers That Require a Master’s Degree

2027 Top Careers That Require a Master’s Degree
2027 What Can You Do With a General Studies Degree?

2027 What Can You Do With a General Studies Degree?
2027 Best Online Bachelor's Degree Completion Programs

2027 Best Online Bachelor's Degree Completion Programs

Recently Published Articles

2027 Accredited Online Special Education Degree Master's Programs: How to Verify & Avoid Scams

2027 Accredited Online Special Education Degree Master's Programs: How to Verify & Avoid Scams
2027 How to Become a Licensed Therapist (LPC) in Tampa FL: Counselor License Requirements

2027 How to Become a Licensed Therapist (LPC) in Tampa FL: Counselor License Requirements
2027 Cheapest Online Fashion Design Master's Degrees That Pay Well: Tuition, Duration, and Earnings

2027 Cheapest Online Fashion Design Master's Degrees That Pay Well: Tuition, Duration, and Earnings
2027 Military-Friendly Online Aviation Management Degree Programs: Benefits, Accreditation, and Career Outcomes

2027 Military-Friendly Online Aviation Management Degree Programs: Benefits, Accreditation, and Career Outcomes
2027 Best Online Health Services Administration Doctorate Programs for Consulting Careers

2027 Best Online Health Services Administration Doctorate Programs for Consulting Careers
2027 ABSN vs. BSN Programs: Explaining the Difference

2027 ABSN vs. BSN Programs: Explaining the Difference
2027 Military-Friendly Online Environmental Science Bachelor's Degree Programs

2027 Military-Friendly Online Environmental Science Bachelor's Degree Programs
2027 How to Become a Special Education Teacher in Hawaii: Requirements & Certification

2027 How to Become a Special Education Teacher in Hawaii: Requirements & Certification
2027 Cheapest Way to Get a Teaching Credential in Iowa: Requirements & Certification

2027 Cheapest Way to Get a Teaching Credential in Iowa: Requirements & Certification
2027 Online Science Degree Master's Programs That Accept Transfer Credits

2027 Online Science Degree Master's Programs That Accept Transfer Credits
2027 Cheapest Way to Get a Teaching Credential in Jersey City, NJ: Degree Requirements & Certification

2027 Cheapest Way to Get a Teaching Credential in Jersey City, NJ: Degree Requirements & Certification
2027 Self-Paced Online BFA (Bachelor of Fine Arts) Bachelor's Degree Programs

2027 Self-Paced Online BFA (Bachelor of Fine Arts) Bachelor's Degree Programs
2027 Military-Friendly Online Speech Pathology Bachelor's Degree Programs

2027 Military-Friendly Online Speech Pathology Bachelor's Degree Programs
2027 Online Audio & Music Bachelor's Degree Programs With Weekly Start Dates

2027 Online Audio & Music Bachelor's Degree Programs With Weekly Start Dates
2027 How to Become an LPN in Florida

2027 How to Become an LPN in Florida
2027 How to Become a UX Designer: Salary & Career Paths

2027 How to Become a UX Designer: Salary & Career Paths
2027 Best Accredited Online Economics Bachelor's Degree Programs

2027 Best Accredited Online Economics Bachelor's Degree Programs
2027 How Fast Can You Earn an Online TESOL Master's Degree? Timelines & Completion Options

2027 How Fast Can You Earn an Online TESOL Master's Degree? Timelines & Completion Options
2027 How to Become a History Teacher in Delaware: Requirements & Certification

2027 How to Become a History Teacher in Delaware: Requirements & Certification
2027 Easiest Direct-Entry MSN Programs to Get Into

2027 Easiest Direct-Entry MSN Programs to Get Into
2027 Online Nursing Education Doctorate Programs That Give Credit for Prior Graduate Work

2027 Online Nursing Education Doctorate Programs That Give Credit for Prior Graduate Work