World's Best Scientists 2026 revealed!
Susumu Takamatsu

Susumu Takamatsu

D-Index & Metrics

Discipline name D-Index World Ranking Current World Ranking National Ranking Current National Ranking Publications Citations
Plant Science and Agronomy 47 2527 2341 87 87 199 8421

Susumu Takamatsu publications per year

The chart shows the history of publications by Susumu Takamatsu between 1978 and 2025, highlighting the no. of papers published in each year and offering an overview of the publication velocity of this scholar. Susumu Takamatsu published across 48 years, from 1978 to 2025, averaging 4.4 papers a year. Output peaked at 18 publications in 2018. 5 of the 210 publications appeared in the last two years.

No. of publications
5 10 15
Bar chart. Horizontal axis: year, 1978 to 2025. Vertical axis: number of publications, 0 to 18. Peak 18 publications in 2018. 1978: 2 publications 1979: 1 publication 1980: 0 publications 1981: 0 publications 1982: 1 publication 1983: 0 publications 1984: 0 publications 1985: 0 publications 1986: 2 publications 1987: 3 publications 1988: 0 publications 1989: 1 publication 1990: 0 publications 1991: 0 publications 1992: 2 publications 1993: 1 publication 1994: 2 publications 1995: 0 publications 1996: 1 publication 1997: 0 publications 1998: 3 publications 1999: 2 publications 2000: 6 publications 2001: 4 publications 2002: 5 publications 2003: 8 publications 2004: 3 publications 2005: 10 publications 2006: 10 publications 2007: 7 publications 2008: 9 publications 2009: 6 publications 2010: 3 publications 2011: 2 publications 2012: 4 publications 2013: 15 publications 2014: 6 publications 2015: 12 publications 2016: 11 publications 2017: 12 publications 2018: 18 publications 2019: 5 publications 2020: 8 publications 2021: 13 publications 2022: 4 publications 2023: 3 publications 2024: 2 publications 2025: 3 publications
1978 2025

210 publications in total across all disciplines

View publications per year as a table
Susumu Takamatsu: publications per year, 1978 to 2025
Year Publications
1978 2
1979 1
1980 0
1981 0
1982 1
1983 0
1984 0
1985 0
1986 2
1987 3
1988 0
1989 1
1990 0
1991 0
1992 2
1993 1
1994 2
1995 0
1996 1
1997 0
1998 3
1999 2
2000 6
2001 4
2002 5
2003 8
2004 3
2005 10
2006 10
2007 7
2008 9
2009 6
2010 3
2011 2
2012 4
2013 15
2014 6
2015 12
2016 11
2017 12
2018 18
2019 5
2020 8
2021 13
2022 4
2023 3
2024 2
2025 3
Total 210
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Susumu Takamatsu 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 Susumu Takamatsu 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, 196–200 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: 199 publications — 77th percentile

77% 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 90 199
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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Susumu Takamatsu 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 Susumu Takamatsu 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, 47 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: 47 D-Index — 62nd percentile

62% 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 47
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:

  • Botany
  • Genus
  • Ecology

Susumu Takamatsu spends much of his time researching Botany, Erysiphales, Powdery mildew, Phylogenetic tree and Internal transcribed spacer. His studies in Erysiphe, Podosphaera, Sphaerotheca, Taxonomy and Genus are all subfields of Botany research. In his research, Tribe is intimately related to Phylogenetics, which falls under the overarching field of Erysiphales.

He regularly ties together related areas like Genetics in his Powdery mildew studies. In his study, which falls under the umbrella issue of Phylogenetic tree, Monophyly, Geoglossaceae, Geoglossum, Helotiales and Phylogenetic nomenclature is strongly linked to Evolutionary biology. His biological study spans a wide range of topics, including Mycology and Ribosomal DNA.

His most cited work include:

  • Phylogeny of Erysiphe, Microsphaera, Uncinula (Erysipheae) and Cystotheca, Podosphaera, Sphaerotheca (Cystotheceae) inferred from rDNA ITS sequences, some taxonomic consequences (208 citations)
  • Evolutionary analysis of the powdery mildew fungi using nucleotide sequences of the nuclear ribosomal DNA. (156 citations)
  • Nucleotide sequence diversity of rDNA internal transcribed spacers extracted from conidia and cleistothecia of several powdery mildew fungi (156 citations)

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

Susumu Takamatsu mostly deals with Botany, Powdery mildew, Erysiphales, Erysiphe and Taxonomy. His studies deal with areas such as Molecular phylogenetics, Phylogenetic tree, Internal transcribed spacer, Phylogenetics and Ribosomal DNA as well as Botany. His Phylogenetic tree study incorporates themes from Evolutionary biology and Taxon.

His Powdery mildew research includes elements of Fungus and Conidium. His Erysiphales research integrates issues from Ascomycota, Molecular clock, Species complex and Genus, Tribe. His work deals with themes such as Japonica, Fungi imperfecti and Nothofagus, which intersect with Erysiphe.

He most often published in these fields:

  • Botany (86.19%)
  • Powdery mildew (62.98%)
  • Erysiphales (48.62%)

What were the highlights of his more recent work (between 2017-2021)?

  • Botany (86.19%)
  • Powdery mildew (62.98%)
  • Erysiphales (48.62%)

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

Susumu Takamatsu mainly focuses on Botany, Powdery mildew, Erysiphales, Taxonomy and Erysiphe. As a part of the same scientific family, Susumu Takamatsu mostly works in the field of Botany, focusing on Ascomycota and, on occasion, DNA sequencing. The concepts of his Powdery mildew study are interwoven with issues in Host, Fungus, Conidium and Phylogenetic tree.

His Erysiphales research is multidisciplinary, relying on both Calycina and Evergreen. His research on Taxonomy also deals with topics like

  • Phylogenetics together with Zoology,
  • Species complex which is related to area like Heliantheae and Eupatorium. His study in Erysiphe is interdisciplinary in nature, drawing from both Helotiales, Internal transcribed spacer, Monophyly and Molecular phylogenetics.

Between 2017 and 2021, his most popular works were:

  • Outline of Fungi and fungus-like taxa (97 citations)
  • Outline of Fungi and fungus-like taxa (97 citations)
  • Morphophylogenetic study revealed that Erysiphe gracilis (powdery mildew of evergreen oaks, Erysiphales) is a species complex consisting of six different species (9 citations)

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

  • Botany
  • Genus
  • Ecology

Susumu Takamatsu focuses on Botany, Erysiphales, Powdery mildew, Species complex and Phylogenetics. His Botany research focuses on subjects like Ascomycota, which are linked to Phylum. His Erysiphales study combines topics in areas such as Range, Verbena, Oidium and Evergreen.

His Powdery mildew research focuses on Conidium and how it connects with Fungus, Pathogen, Cultivar and Internal transcribed spacer. His Phylogenetics research is multidisciplinary, incorporating perspectives in Zoology, Taxonomy and Phyllactinia. His studies in Zoology integrate themes in fields like Mimosa aculeaticarpa, Bauhinia and Ribosomal DNA, Phylogenetic tree.

Best Publications

  • Outline of Fungi and fungus-like taxa

    N. N. Wijayawardene;K. D. Hyde;L. K. T. Al-Ani;L. K. T. Al-Ani;L. Tedersoo

  • Notes for genera: Ascomycota

    Nalin N. Wijayawardene;Kevin D. Hyde;Kunhiraman C. Rajeshkumar;David L. Hawksworth

  • Phylogeny of Erysiphe, Microsphaera, Uncinula (Erysipheae) and Cystotheca, Podosphaera, Sphaerotheca (Cystotheceae) inferred from rDNA ITS sequences, some taxonomic consequences

    Uwe Braun;Susumu Takamatsu

  • Evolutionary analysis of the powdery mildew fungi using nucleotide sequences of the nuclear ribosomal DNA.

    Yasuhiro Mori;Yukio Sato;Susumu Takamatsu

  • Nucleotide sequence diversity of rDNA internal transcribed spacers extracted from conidia and cleistothecia of several powdery mildew fungi

    Tetsuya Hirata;Susumu Takamatsu

  • Molecular identification of anamorphic powdery mildews (Erysiphales)

    James H. Cunnington;Susumu Takamatsu;Ann C. Lawrie;Ian G. Pascoe

  • Expression of a Maize Ubiquitin Gene Promoter-bar Chimeric Gene in Transgenic Rice Plants

    Seiichi Toki;Susumu Takamatsu;Chyuhei Nojiri;Shinya Ooba

  • Toward a phylogenetic classification of the Leotiomycetes based on rDNA data

    Zheng Wang;Peter R. Johnston;Susumu Takamatsu;Joseph W. Spatafora

  • Improving ITS sequence data for identification of plant pathogenic fungi

    R. Henrik Nilsson;Kevin D. Hyde;Julia Pawłowska;Martin Ryberg

  • Identification of two powdery mildew fungi, Oidium neolycopersici sp. nov. and O. lycopersici, infecting tomato in different parts of the world

    Levente Kiss;Roger T.A. Cook;Gregory S. Saenz;James H. Cunnington

  • PCR primers useful for nucleotide sequencing of rDNA of the powdery mildew fungi

    Susumu Takamatsu;Yukiko Kano

  • Phylogeny and evolution of the powdery mildew fungi (Erysiphales, Ascomycota) inferred from nuclear ribosomal DNA sequences

    Susumu Takamatsu

  • Evolution of host-parasite relationships of Golovinomyces (Ascomycete: Erysiphaceae) inferred from nuclear rDNA sequences.

    S. Matsuda;S. Takamatsu

  • Phylogeny and taxonomy of the oak powdery mildew Erysiphe alphitoides sensu lato

    Susumu Takamatsu;Uwe Braun;Saranya Limkaisang;Sawwanee Kom-un

  • Random sequencing of cDNA libraries reveals a variety of expressed genes in cultured cells of rice (Oryza sativa L.)

    Hirofumi Uchimiya;Shin-ichiro Kidou;Tetsuo Shimazaki;Satoshi Aotsuka

  • First comprehensive phylogenetic analysis of the genus Erysiphe (Erysiphales, Erysiphaceae) I. The Microsphaera lineage

    Susumu Takamatsu;Hanako Ito;Yoshiaki Shiroya;Levente Kiss

  • Four powdery mildew species with catenate conidia infect Galium: molecular and morphological evidence.

    Susumu Takamatsu;Vasyl Heluta;Maria Havrylenko;Rangsi Divarangkoon

  • Phylogenetic analysis and predicted secondary structures of the rDNA internal transcribed spacers of the powdery mildew fungi (Erysiphaceae)

    Susumu Takamatsu;Tetsuya Hirata;Yukio Sato

  • Phylogenetic relationships of Microsphaera and Erysiphe section Erysiphe (powdery mildews) inferred from the rDNA ITS sequences

    Susumu Takamatsu;Tetsuya Hirata;Yukio Sato;Yukihiko Nomura

  • Multilocus phylogenetic analyses within Blumeria graminis, a powdery mildew fungus of cereals.

    Takashi Inuma;Seyed Akbar Khodaparast;Susumu Takamatsu

  • Evolutionary analysis of subsection Magnicellulatae of Podosphaera section Sphaerotheca (Erysiphales) based on the rDNA internal transcribed spacer sequences with special reference to host plants.

    Tetsuya Hirata;James H Cunnington;Urailak Paksiri;Saranya Limkaisang

  • Estimation of molecular clocks for ITS and 28S rDNA in Erysiphales

    Susumu Takamatsu;Sanae Matsuda

Frequent Co-Authors

Uwe Braun
Uwe Braun Martin Luther University Halle-Wittenberg
Levente Kiss
Levente Kiss University of Southern Queensland
Hyeon-Dong Shin
Hyeon-Dong Shin Kunsan National University
Hitoshi Kunoh
Hitoshi Kunoh Okayama University
Samantha C. Karunarathna
Samantha C. Karunarathna Kunming Institute of Botany
Dhanushka N. Wanasinghe
Dhanushka N. Wanasinghe King Saud University
Kevin D. Hyde
Kevin D. Hyde Mae Fah Luang University
Sajeewa S. N. Maharachchikumbura
Sajeewa S. N. Maharachchikumbura University of Electronic Science and Technology of China
Alan J. L. Phillips
Alan J. L. Phillips University of Lisbon
Nalin N. Wijayawardene
Nalin N. Wijayawardene Qujing Normal University

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