World's Best Scientists 2026 revealed!

D-Index & Metrics

Plant Science and Agronomy

D-Index
37
Citations
5656
World Ranking
4608
National Ranking
42

Altus Viljoen 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 Altus Viljoen sits on this spectrum.

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 publications 467+

This scientist: 148 publications — 57th percentile

57% of scientists in this discipline score the same or lower.

The last bar groups every scientist with 467 publications or more.

Altus Viljoen 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 Altus Viljoen sits on this spectrum.

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: 37 D-Index — 31st percentile

31% of scientists in this discipline score the same or lower.

The last bar groups every scientist with 109 D-Index or more.

Best Publications

  • Fungal Planet description sheets: 469-557

    Pedro W. Crous;Pedro W. Crous;Michael J. Wingfield;Treena I. Burgess;G. E.St J. Hardy

  • One Fungus, One Name: Defining the Genus Fusarium in a Scientifically Robust Way That Preserves Longstanding Use

    David M. Geiser;Takayuki Aoki;Charles W. Bacon;Scott E. Baker

  • Transcriptome profiling of resistant and susceptible Cavendish banana roots following inoculation with Fusarium oxysporum f. sp. cubense tropical race 4

    Chun-yu Li;Gui-ming Deng;Jing Yang;Altus Viljoen

  • First report of Fusarium subglutinans f.sp. pini on pine seedlings in South Africa

    A. Viljoen;M. J. Wingfield;W. F. O. Marasas

  • Evolutionary relationships among the Fusarium oxysporum f. sp. cubense vegetative compatibility groups.

    Gerda Fourie;E. T. Steenkamp;T. R. Gordon;A. Viljoen;A. Viljoen

  • Phylogenomic Analysis of a 55.1-kb 19-Gene Dataset Resolves a Monophyletic Fusarium that Includes the Fusarium solani Species Complex.

    David M. Geiser;Abdullah M. S. Al-Hatmi;Takayuki Aoki;Tsutomu Arie

  • Multiple gene genealogies and phenotypic characters differentiate several novel species of Mycosphaerella and related anamorphs on banana

    Mahdi Arzanlou;Johannes Z. Groenewald;R.A. Fullerton;Edwin C.A. Abeln

  • Analysis of the Fusarium graminearum species complex from wheat, barley and maize in South Africa provides evidence of species-specific differences in host preference.

    Anne-Laure Boutigny;Todd J. Ward;Gert J. Van Coller;Bradley Flett

  • The potential of nonpathogenic Fusarium oxysporum and other biological control organisms for suppressing fusarium wilt of banana

    B. Nel;C. Steinberg;N. Labuschagne;A. Viljoen

  • Tolerance in banana to Fusarium wilt is associated with early up-regulation of cell wall-strengthening genes in the roots

    Noëlani Van Den Berg;Dave K. Berger;Ingo Hein;Paul R. J. Birch

  • The distribution and host range of the banana Fusarium wilt fungus, Fusarium oxysporum f. sp. cubense, in Asia

    Diane Mostert;Agustin B. Molina;Jeff Daniells;Gerda Fourie

  • Evaluation of fungicides and sterilants for potential application in the management of Fusarium wilt of banana

    B. Nel;C. Steinberg;Nico Labuschagne;Altus Viljoen

  • The application of high-throughput AFLP's in assessing genetic diversity in Fusarium oxysporum f. sp. cubense.

    Susan Groenewald;Noëlani Van Den Berg;Walter F.O. Marasas;Altus Viljoen

  • Quantitative detection of Fusarium pathogens and their mycotoxins in South African maize

    A.-L. Boutigny;I. Beukes;I. Small;S. Zühlke

  • A historical overview of the appearance and spread of Musa pests and pathogens on the African continent: highlighting the importance of clean Musa planting materials and quarantine measures

    G. Blomme;R.C. Ploetz;D. Jones;E.A.L. De Langhe

  • Contamination of bananas with beauvericin and fusaric acid produced by Fusarium oxysporum f. sp. cubense

    Chunyu Li;Cunwu Zuo;Guiming Deng;Ruibin Kuang

  • Fusaric acid instigates the invasion of banana by <i>Fusarium oxysporum</i> f. sp. <i>cubense </i><scp>TR</scp>4

    Unknown

  • Isolation and characterization of nonpathogenic Fusarium oxysporum isolates from the rhizosphere of healthy banana plants

    B. Nel;C. Steinberg;N. Labuschagne;A. Viljoen

  • Resistance in Maize Inbred Lines to Fusarium verticillioides and Fumonisin Accumulation in South Africa.

    I. M. Small;B. C. Flett;W. F. O. Marasas;A. McLeod

  • Fusarium spp. and levels of fumonisins in maize produced by subsistence farmers in South Africa

    Edson Ncube;Bradley C. Flett;Cees Waalwijk;Altus Viljoen

  • Characterization of Fusarium subglutinans f. sp. pini causing root disease of Pinus patula seedlings in South Africa

    A. Viljoen;W.F.O. Marasas;M.J. Wingfield;C.D. Viljoen

  • Defense-related gene expression in susceptible and tolerant bananas (Musa spp.) following inoculation with non-pathogenic Fusarium oxysporum endophytes and challenge with Radopholus similis

    Pamela Paparu;Pamela Paparu;Thomas Dubois;Danny Coyne;Altus Viljoen;Altus Viljoen

  • Pathogenicity associated genes in Fusarium oxysporum f. sp. cubense race 4

    Rene Sutherland;Altus Viljoen;Alexander Andrew Myburg;Noelani Van den Berg

  • Fusarium spp. and levels of fumonisins in maize produced by subsistence farmers in South Africa : research article

    Edson Ncube;Bradley C. Flett;Cees Waalwijk;Altus Viljoen

Frequent Co-Authors

Michael J. Wingfield
Michael J. Wingfield University of Pretoria
Pedro W. Crous
Pedro W. Crous Utrecht University
Rony Swennen
Rony Swennen KU Leuven
George Mahuku
George Mahuku International Institute of Tropical Agriculture
Teresa A. Coutinho
Teresa A. Coutinho University of Pretoria
Walter F. O. Marasas
Walter F. O. Marasas Stellenbosch University
Cees Waalwijk
Cees Waalwijk Wageningen University & Research
Emma Theodora Steenkamp
Emma Theodora Steenkamp University of Pretoria
Christian Steinberg
Christian Steinberg INRAE : Institut national de recherche pour l'agriculture, l'alimentation et l'environnement
Thomas R. Gordon
Thomas R. Gordon University of California, Davis

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