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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 36 4857 4551 306 288 170 5391

James Pratley publications per year

The chart shows the history of publications by James Pratley between 1980 and 2025, highlighting the no. of papers published in each year and offering an overview of the publication velocity of this scholar. James Pratley published across 46 years, from 1980 to 2025, averaging 3.8 papers a year. Output peaked at 12 publications in 2008. 4 of the 175 publications appeared in the last two years.

No. of publications
5 10
Bar chart. Horizontal axis: year, 1980 to 2025. Vertical axis: number of publications, 0 to 12. Peak 12 publications in 2008. 1980: 2 publications 1981: 0 publications 1982: 0 publications 1983: 2 publications 1984: 0 publications 1985: 0 publications 1986: 0 publications 1987: 3 publications 1988: 0 publications 1989: 0 publications 1990: 1 publication 1991: 0 publications 1992: 1 publication 1993: 0 publications 1994: 1 publication 1995: 0 publications 1996: 3 publications 1997: 3 publications 1998: 0 publications 1999: 6 publications 2000: 9 publications 2001: 10 publications 2002: 4 publications 2003: 10 publications 2004: 8 publications 2005: 7 publications 2006: 6 publications 2007: 4 publications 2008: 12 publications 2009: 4 publications 2010: 9 publications 2011: 5 publications 2012: 6 publications 2013: 3 publications 2014: 10 publications 2015: 12 publications 2016: 7 publications 2017: 7 publications 2018: 7 publications 2019: 6 publications 2020: 2 publications 2021: 1 publication 2022: 0 publications 2023: 0 publications 2024: 3 publications 2025: 1 publication
1980 2025

175 publications in total across all disciplines

View publications per year as a table
James Pratley: publications per year, 1980 to 2025
Year Publications
1980 2
1981 0
1982 0
1983 2
1984 0
1985 0
1986 0
1987 3
1988 0
1989 0
1990 1
1991 0
1992 1
1993 0
1994 1
1995 0
1996 3
1997 3
1998 0
1999 6
2000 9
2001 10
2002 4
2003 10
2004 8
2005 7
2006 6
2007 4
2008 12
2009 4
2010 9
2011 5
2012 6
2013 3
2014 10
2015 12
2016 7
2017 7
2018 7
2019 6
2020 2
2021 1
2022 0
2023 0
2024 3
2025 1
Total 175
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James Pratley 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 James Pratley 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, 166–170 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: 170 publications — 67th percentile

67% 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
166–170 137 170
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
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James Pratley 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 James Pratley 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, 36 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: 36 D-Index — 27th percentile

27% 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 36
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
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Overview

What is he best known for?

The fields of study he is best known for:

  • Agriculture
  • Ecology
  • Botany

His primary areas of investigation include Allelopathy, Weed, Poaceae, Botany and Lolium rigidum. His Allelopathy study is concerned with the larger field of Agronomy. James Pratley works mostly in the field of Agronomy, limiting it down to concerns involving Bioassay and, occasionally, Sowing and Germination.

The Poaceae study combines topics in areas such as Cultivar and Seedling. His work in the fields of Botany, such as Shoot and Phytotoxicity, intersects with other areas such as Phenolic acid. The concepts of his Lolium rigidum study are interwoven with issues in Resistance and Horticulture.

His most cited work include:

  • Crop cultivars with allelopathic capability. (179 citations)
  • Resistance to glyphosate in Lolium rigidum. I. Bioevaluation (129 citations)
  • Laboratory screening for allelopathic potential of wheat (Triticum aestivum) accessions against annual ryegrass (Lolium rigidum) (122 citations)

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

James Pratley mainly investigates Agronomy, Allelopathy, Weed, Lolium rigidum and Weed control. His Agronomy study often links to related topics such as Horticulture. His Allelopathy study combines topics from a wide range of disciplines, such as Phytotoxicity, Cultivar, Poaceae and Shoot.

His Weed study integrates concerns from other disciplines, such as Agriculture, Bioassay, Competition and Oryza sativa. His research in Lolium rigidum focuses on subjects like Glyphosate, which are connected to Herbicide resistance. He interconnects Chemical control and Agroforestry in the investigation of issues within Weed control.

He most often published in these fields:

  • Agronomy (58.75%)
  • Allelopathy (40.62%)
  • Weed (28.75%)

What were the highlights of his more recent work (between 2016-2020)?

  • Agronomy (58.75%)
  • Allelopathy (40.62%)
  • Agriculture (16.88%)

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

James Pratley focuses on Agronomy, Allelopathy, Agriculture, Lolium rigidum and Weed control. His work on Weed, Pasture and Brassica as part of general Agronomy research is often related to Microbial inoculant and Arbuscular mycorrhizal fungi, thus linking different fields of science. Allelopathy is frequently linked to Cultivar in his study.

His study in the field of Agricultural education is also linked to topics like Gender balance, Project commissioning, Environmental ethics and Contradiction. Within one scientific family, James Pratley focuses on topics pertaining to Acetolactate synthase under Lolium rigidum, and may sometimes address concerns connected to Glyphosate, Tillage, Soil pH and Herbicide resistance. James Pratley combines subjects such as Agroforestry and Resistance with his study of Weed control.

Between 2016 and 2020, his most popular works were:

  • Big data and machine learning for crop protection (42 citations)
  • A quarter of a century of monitoring herbicide resistance in Lolium rigidum in Australia (7 citations)
  • Weed management in canola (Brassica napus L): a review of current constraints and future strategies for Australia (6 citations)

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

  • Agriculture
  • Ecology
  • Agronomy

James Pratley mostly deals with Weed control, Agronomy, Lolium rigidum, Resistance and Allelopathy. His research in Weed control intersects with topics in Cropping and Agroforestry, Crop protection. His Lolium rigidum research is included under the broader classification of Weed.

His studies in Weed integrate themes in fields like Medicago sativa, Bioassay, Shoot, Lolium and Tillage. The subject of his Allelopathy research is within the realm of Germination. His research integrates issues of Glyphosate, Soil pH, Agriculture and Herbicide resistance in his study of Acetolactate synthase.

Best Publications

  • Crop cultivars with allelopathic capability.

    H. Wu;J. Pratley;D. Lemerle;T. Haig

  • Resistance to glyphosate in Lolium rigidum. I. Bioevaluation

    James Pratley;Nigel Urwin;Rex Stanton;Peter Baines

  • Allelochemicals in wheat (Triticum aestivum L.): variation of phenolic acids in shoot tissues.

    Hanwen Wu;Terrence Haig;James Pratley;Deirdre Lemerle

  • Identification and quantitation of compounds in a series of allelopathic and non-allelopathic rice root exudates.

    Alexa N Seal;James E Pratley;Terry Haig;Min An

  • Distribution and Exudation of Allelochemicals in Wheat Triticum aestivum

    Hanwen Wu;Terry Haig;Jim Pratley;Deirdre Lemerle

  • Laboratory screening for allelopathic potential of wheat (Triticum aestivum) accessions against annual ryegrass (Lolium rigidum)

    H. Wu;J. Pratley;D. Lemerle;T. Haig

  • Allelopathy in wheat (Triticum aestivum)

    Hanwen Wu;James Pratley;Deirdre Lemerle;Terrence Haig

  • Allelochemicals in wheat (Triticum aestivum L.): production and exudation of 2,4-dihydroxy-7-methoxy-1,4-benzoxazin-3-one.

    Hanwen Wu;Terrence Haig;James Pratley;Deirdre Lemerle

  • Evaluation of seedling allelopathy in 453 wheat (Triticum aestivum) accessions against annual ryegrass (Lolium rigidum) by the equal-compartment-agar method

    H. Wu;J. Pratley;D. Lemerle;T. Haig

  • Autotoxicity of wheat ( Triticum aestivum L.) as determined by laboratory bioassays

    Hanwen Wu;Jim Pratley;Deirdre Lemerle;Min An

  • Glyphosate resistance in annual ryegrass

    James Pratley;Peter Baines;Philip Eberbach;Maurice Incerti

  • Big data and machine learning for crop protection

    Ryan H.L. Ip;Li Minn Ang;Kah Phooi Seng;J. C. Broster

  • Investigating the mechanism of glyphosate resistance in rigid ryegrass (Lolium ridigum)

    Scott R. Baerson;Damian J. Rodriguez;Nancy A. Biest;Minhtien Tran

  • Evaluation of putative allelochemicals in rice root exudates for their role in the suppression of arrowhead root growth

    Alexa N. Seal;Terry Haig;James E. Pratley

  • Allelochemicals in wheat (Triticum aestivum l.): variation of phenolic acids in root tissues.

    Hanwen Wu;Terry Haig;James Pratley;Deirdre Lemerle

  • Allelochemicals in wheat (Triticum aestivum L.): cultivar difference in the exudation of phenolic acids.

    Hanwen Wu;Terrence Haig;James Pratley;Deirdre Lemerle

  • Resistance to glyphosate in Lolium rigidum. II. Uptake, translocation, and metabolism

    Paul C.C. Feng;James E. Pratley;Joseph A. Bohn

  • Correlation between phytotoxicity on annual ryegrass (Lolium rigidum) and production dynamics of allelochemicals within root exudates of an allelopathic wheat

    Zhiqun Huang;Terrence Haig;Hanwen Wu;Min An

  • Tillage : new directions in Australian agriculture

    Peter Stuart Cornish;J. E. Pratley

  • A decade of monitoring herbicide resistance in Lolium rigidum in Australia

    John Broster;James Pratley

  • Quantitative trait loci and molecular markers associated with wheat allelopathy

    Hanwen Wu;James Pratley;W Ma;Terrence Haig

  • Biochemical basis for wheat seedling allelopathy on the suppression of annual ryegrass (Lolium rigidum).

    Hanwen Wu;Terrence Haig;James Pratley;Deirdre Lemerle

Frequent Co-Authors

Hanwen Wu
Hanwen Wu New South Wales Department of Primary Industries
Leslie A. Weston
Leslie A. Weston Charles Sturt University
Megan H. Ryan
Megan H. Ryan University of Western Australia
John A. Kirkegaard
John A. Kirkegaard University of Western Australia
De Li Liu
De Li Liu University of New South Wales
John Angus
John Angus Commonwealth Scientific and Industrial Research Organisation
Harsh Raman
Harsh Raman New South Wales Department of Primary Industries
Greg J. Rebetzke
Greg J. Rebetzke Commonwealth Scientific and Industrial Research Organisation
Michael J. Walsh
Michael J. Walsh University of Sydney
Brian Keating
Brian Keating University of Queensland

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