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Plant Science and Agronomy
Canada
2026

D-Index & Metrics

Discipline name D-Index World Ranking Current World Ranking National Ranking Current National Ranking Publications Citations
Plant Science and Agronomy 77 482 445 10 10 221 28566

Murray B. Isman publications per year

The chart shows the history of publications by Murray B. Isman between 1977 and 2026, highlighting the no. of papers published in each year and offering an overview of the publication velocity of this scholar. Murray B. Isman published across 50 years, from 1977 to 2026, averaging 4.7 papers a year. Output peaked at 12 publications in 1995. 1 of the 236 publications appeared in the last two years.

No. of publications
5 10
Bar chart. Horizontal axis: year, 1977 to 2026. Vertical axis: number of publications, 0 to 12. Peak 12 publications in 1995. 1977: 4 publications 1978: 1 publication 1979: 0 publications 1980: 0 publications 1981: 1 publication 1982: 1 publication 1983: 2 publications 1984: 1 publication 1985: 2 publications 1986: 5 publications 1987: 4 publications 1988: 2 publications 1989: 8 publications 1990: 9 publications 1991: 4 publications 1992: 8 publications 1993: 8 publications 1994: 10 publications 1995: 12 publications 1996: 10 publications 1997: 6 publications 1998: 2 publications 1999: 4 publications 2000: 3 publications 2001: 5 publications 2002: 0 publications 2003: 5 publications 2004: 10 publications 2005: 8 publications 2006: 8 publications 2007: 7 publications 2008: 3 publications 2009: 4 publications 2010: 9 publications 2011: 5 publications 2012: 7 publications 2013: 3 publications 2014: 6 publications 2015: 9 publications 2016: 10 publications 2017: 10 publications 2018: 3 publications 2019: 2 publications 2020: 6 publications 2021: 0 publications 2022: 6 publications 2023: 1 publication 2024: 1 publication 2025: 0 publications 2026: 1 publication
1977 2026

236 publications in total across all disciplines

View publications per year as a table
Murray B. Isman: publications per year, 1977 to 2026
Year Publications
1977 4
1978 1
1979 0
1980 0
1981 1
1982 1
1983 2
1984 1
1985 2
1986 5
1987 4
1988 2
1989 8
1990 9
1991 4
1992 8
1993 8
1994 10
1995 12
1996 10
1997 6
1998 2
1999 4
2000 3
2001 5
2002 0
2003 5
2004 10
2005 8
2006 8
2007 7
2008 3
2009 4
2010 9
2011 5
2012 7
2013 3
2014 6
2015 9
2016 10
2017 10
2018 3
2019 2
2020 6
2021 0
2022 6
2023 1
2024 1
2025 0
2026 1
Total 236
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Murray B. Isman 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 Murray B. Isman 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, 221–225 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: 221 publications — 82nd percentile

82% 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 61 221
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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Murray B. Isman 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 Murray B. Isman 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, 77 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: 77 D-Index — 93rd percentile

93% 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
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 77
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

  • 2026 - Research.com Plant Science and Agronomy in Canada Leader Award
  • 2025 - Research.com Plant Science and Agronomy in Canada Leader Award
  • 2023 - Research.com Plant Science and Agronomy in Canada Leader Award
  • 2022 - Research.com Plant Science and Agronomy in Canada Leader Award

Overview

What is he best known for?

The fields of study he is best known for:

  • Botany
  • Ecology
  • Insect

His scientific interests lie mostly in Botany, Essential oil, Biotechnology, Azadirachtin and Pesticide. Botany is closely attributed to Bioassay in his research. Murray B. Isman has included themes like Toxicity, Acute toxicity and Cutworm in his Essential oil study.

The Biotechnology study combines topics in areas such as Pest control, Agriculture, Integrated pest management and Commercialization. Murray B. Isman works mostly in the field of Azadirachtin, limiting it down to topics relating to Toxicology and, in certain cases, Spodoptera litura, Aphid, PEST analysis, Myzus persicae and Pesticide formulation. His Pesticide research integrates issues from Developing country, Food processing and Environmental engineering.

His most cited work include:

  • BOTANICAL INSECTICIDES, DETERRENTS, AND REPELLENTS IN MODERN AGRICULTURE AND AN INCREASINGLY REGULATED WORLD (2271 citations)
  • PLANT ESSENTIAL OILS FOR PEST AND DISEASE MANAGEMENT (1671 citations)
  • Acute, sublethal, antifeedant, and synergistic effects of monoterpenoid essential oil compounds on the tobacco cutworm, Spodoptera litura (Lep., Noctuidae). (382 citations)

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

His primary areas of study are Botany, Noctuidae, Horticulture, Trichoplusia and Cabbage looper. His study in Botany focuses on Larva, Peridroma saucia, Meliaceae, Essential oil and Spodoptera litura. His studies deal with areas such as Terpene, Acute toxicity and Terpenoid as well as Essential oil.

His Noctuidae research is multidisciplinary, relying on both Toxicology and Instar. His PEST analysis research incorporates themes from Biological pest control and Agronomy. Murray B. Isman has researched Pesticide in several fields, including Agriculture, Food processing and Agroforestry.

He most often published in these fields:

  • Botany (57.01%)
  • Noctuidae (21.50%)
  • Horticulture (19.16%)

What were the highlights of his more recent work (between 2010-2020)?

  • Cabbage looper (17.29%)
  • Botany (57.01%)
  • Essential oil (15.42%)

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

Murray B. Isman mainly focuses on Cabbage looper, Botany, Essential oil, Trichoplusia and Food science. His study in Botany is interdisciplinary in nature, drawing from both Terpene and Horticulture. His Essential oil research is multidisciplinary, relying on both Biotechnology, Piperonyl butoxide and Terpenoid.

His research investigates the link between Trichoplusia and topics such as Toxicity that cross with problems in Chromatography. His biological study spans a wide range of topics, including Bioassay, Noctuidae and Maize weevil. The concepts of his Toxicology study are interwoven with issues in Cimex lectularius and Pesticide.

Between 2010 and 2020, his most popular works were:

  • Commercial opportunities for pesticides based on plant essential oils in agriculture, industry and consumer products (261 citations)
  • Botanical insecticide research: many publications, limited useful data. (231 citations)
  • Botanical insecticides inspired by plant-herbivore chemical interactions (155 citations)

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

  • Botany
  • Ecology
  • Insect

Murray B. Isman mostly deals with Cabbage looper, Botany, Essential oil, Biotechnology and Food science. His Cabbage looper study combines Trichoplusia and Horticulture studies. His Botany research focuses on Cymbopogon citratus, Thymus vulgaris and Cinnamomum zeylanicum.

His Essential oil research is multidisciplinary, incorporating perspectives in Lauraceae, Lamiaceae, Syzygium and Myrtaceae. In his study, Plant species and Azadirachta is strongly linked to Integrated pest management, which falls under the umbrella field of Biotechnology. His studies in Food science integrate themes in fields like Bioassay, Noctuidae and Terpenoid.

Best Publications

  • BOTANICAL INSECTICIDES, DETERRENTS, AND REPELLENTS IN MODERN AGRICULTURE AND AN INCREASINGLY REGULATED WORLD

    Murray B. Isman

  • PLANT ESSENTIAL OILS FOR PEST AND DISEASE MANAGEMENT

    Murray B Isman

  • Acute, sublethal, antifeedant, and synergistic effects of monoterpenoid essential oil compounds on the tobacco cutworm, Spodoptera litura (Lep., Noctuidae).

    Laurin A. Hummelbrunner;Murray B. Isman

  • Botanical insecticides: for richer, for poorer.

    Murray B Isman

  • Insecticidal and antifeedant bioactivities of neem oils and their relationship to azadirachtin content.

    Murray B. Isman;Opender Koul;Anna Luczynski;Jerzy Kaminski

  • Commercial opportunities for pesticides based on plant essential oils in agriculture, industry and consumer products

    Murray B. Isman;Saber Miresmailli;Cristina Machial

  • Biological activity of limonoids from the rutales

    Donald E. Champagne;Opender Koul;Murray B. Isman;Geoffrey G.E. Scudder

  • Botanical Insecticides in the Twenty-First Century-Fulfilling Their Promise?

    Murray B. Isman

  • Botanical insecticide research: many publications, limited useful data.

    Murray B. Isman;Michael L. Grieneisen;Michael L. Grieneisen

  • Properties and uses of neem, Azadirachta indica

    Opender Koul;Murray B. Isman;C. M. Ketkar

  • Botanical insecticides inspired by plant-herbivore chemical interactions

    Saber Miresmailli;Murray B. Isman

  • Neem and other Botanical insecticides: Barriers to commercialization

    Murray B. Isman

  • Comparative toxicity of Rosmarinus officinalis L. essential oil and blends of its major constituents against Tetranychus urticae Koch (Acari: Tetranychidae) on two different host plants.

    Saber Miresmailli;Rod Bradbury;Murray B Isman

  • Chapter 2 Pesticides based on plant essential oils: from traditional practice to commercialization

    Murray B Isman;Cristina M Machial

  • Selection for resistance to azadirachtin in the green peach aphid, Myzus persicae

    R. Feng;M. B. Isman

  • Comparative growth inhibitory and antifeedant effects of plant extracts and pure allelochemicals on four phytophagous insect species

    Y. Akhtar;M. B. Isman

  • A renaissance for botanical insecticides

    Murray B Isman

  • Comparative bioactivity of selected extracts from Meliaceae and some commercial botanical insecticides against two noctuid caterpillars, Trichoplusia ni and Pseudaletia unipuncta

    Y. Akhtar;Y. R. Yeoung;M. B. Isman

  • Pesticides based on plant essential oils

    M. Isman

  • Antifeedant and toxic activity of Trichilia americana extract against the larvae of Spodoptera litura

    Deborah A. Wheeler;Murray B. Isman

Frequent Co-Authors

John T. Arnason
John T. Arnason University of Ottawa
Peter Proksch
Peter Proksch Heinrich Heine University Düsseldorf
Sean S. Duffey
Sean S. Duffey University of California, Davis
G. H. N. Towers
G. H. N. Towers University of British Columbia
Ludger Witte
Ludger Witte Technische Universität Braunschweig
Bernard J. R. Philogène
Bernard J. R. Philogène University of Ottawa
Carl J. Douglas
Carl J. Douglas University of British Columbia
Philip C. Stevenson
Philip C. Stevenson Royal Botanic Gardens
Raymond J. Andersen
Raymond J. Andersen University of British Columbia
Geoff M. Gurr
Geoff M. Gurr Charles Sturt University

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