World's Best Scientists 2026 revealed!
Niklaus J. Grünwald

Niklaus J. Grünwald

D-Index & Metrics

Plant Science and Agronomy

D-Index
62
Citations
20236
World Ranking
1074
National Ranking
291

Niklaus J. Grünwald 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 Niklaus J. Grünwald 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: 253 publications — 88th percentile

88% of scientists in this discipline score the same or lower.

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

Niklaus J. Grünwald 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 Niklaus J. Grünwald 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: 62 D-Index — 84th percentile

84% of scientists in this discipline score the same or lower.

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

Research.com Recognitions

  • 2019 - Fellow of the American Association for the Advancement of Science (AAAS)
  • 2016 - Fellow of the American Phytopathological Society

Overview

What is he best known for?

The fields of study he is best known for:

  • Gene
  • Ecology
  • Botany

His primary areas of investigation include Ecology, Phytophthora infestans, Phytophthora ramorum, Oomycete and Phytophthora. His Ecology research incorporates themes from Disease management, Population genetics and Genetic diversity. His Phytophthora infestans study introduces a deeper knowledge of Blight.

His Oomycete study integrates concerns from other disciplines, such as Range, Genome, Lineage and Botany. In general Genome study, his work on Population genomics often relates to the realm of R package, thereby connecting several areas of interest. His studies deal with areas such as Genetics and Phylogenetics, Coalescent theory as well as Phytophthora.

His most cited work include:

  • Genome sequence and analysis of the Irish potato famine pathogen Phytophthora infestans. (1066 citations)
  • Poppr: an R package for genetic analysis of populations with clonal, partially clonal, and/or sexual reproduction. (1033 citations)
  • Phytophthora Genome Sequences Uncover Evolutionary Origins and Mechanisms of Pathogenesis (840 citations)

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

The scientist’s investigation covers issues in Botany, Genetics, Phytophthora infestans, Phytophthora and Phytophthora ramorum. His Botany research includes elements of Host and Ribosomal DNA. His Genetics study focuses mostly on Genome, Oomycete, Gene, Microsatellite and Phylogenetics.

Niklaus J. Grünwald has included themes like Solanum, Center of origin and Oospore in his Phytophthora infestans study. He interconnects Ecology, Quarantine, Lineage, Lineage and Genotype in the investigation of issues within Phytophthora ramorum. His Ecology study also includes

  • Genetic diversity which connect with Genetic variation,
  • Evolutionary biology most often made with reference to Population genetics.

He most often published in these fields:

  • Botany (25.93%)
  • Genetics (28.40%)
  • Phytophthora infestans (21.81%)

What were the highlights of his more recent work (between 2018-2021)?

  • Genetics (28.40%)
  • Genetic diversity (15.64%)
  • Phytophthora (20.99%)

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

Genetics, Genetic diversity, Phytophthora, Genotype and Oomycete are his primary areas of study. His work in the fields of Gene, Single-nucleotide polymorphism and Genome overlaps with other areas such as Barcode. His research in Genome intersects with topics in Ploidy, Lineage, Center of origin and Phytophthora infestans.

His work deals with themes such as Zoology and Evolutionary biology, which intersect with Genetic diversity. His Phytophthora research is multidisciplinary, relying on both Forest management, Agroforestry and Biosecurity. His work is dedicated to discovering how Population genetics, Population biology are connected with Ecology and other disciplines.

Between 2018 and 2021, his most popular works were:

  • Mitotic Recombination and Rapid Genome Evolution in the Invasive Forest Pathogen Phytophthora ramorum. (21 citations)
  • Mitotic Recombination and Rapid Genome Evolution in the Invasive Forest Pathogen Phytophthora ramorum. (21 citations)
  • Ecology and Evolution of the Sudden Oak Death Pathogen Phytophthora ramorum. (19 citations)

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

  • Gene
  • Ecology
  • Botany

His main research concerns Gene, Genome, Genetic diversity, Genetics and Pathogen. His research integrates issues of Host plants and Computational biology in his study of Genome. His work carried out in the field of Genetic diversity brings together such families of science as Zoology, Clade, Population genetics and Species complex.

His Genetics research is multidisciplinary, incorporating perspectives in Phytophthora fragariae and Race. His Pathogen research incorporates elements of Phytophthora ramorum, Sudden oak death, Phylogenetics and Larch. In Sudden oak death, Niklaus J. Grünwald works on issues like Ecology, which are connected to Gymnosperm, PEST analysis and Phytosanitary certification.

Best Publications

  • Poppr: an R package for genetic analysis of populations with clonal, partially clonal, and/or sexual reproduction.

    Zhian N. Kamvar;Javier F. Tabima;Niklaus J. Grünwald

  • Genome sequence and analysis of the Irish potato famine pathogen Phytophthora infestans.

    Brian J Haas;Sophien Kamoun;Sophien Kamoun;Michael C Zody;Michael C Zody;Rays H Y Jiang;Rays H Y Jiang

  • Phytophthora Genome Sequences Uncover Evolutionary Origins and Mechanisms of Pathogenesis

    Brett M. Tyler;Sucheta Tripathy;Xuemin Zhang;Paramvir Dehal;Paramvir Dehal

  • vcfr: a package to manipulate and visualize variant call format data in R.

    Brian J. Knaus;Niklaus J. Grünwald;Niklaus J. Grünwald

  • The Top 10 oomycete pathogens in molecular plant pathology

    Sophien Kamoun;Oliver Furzer;Jonathan D. G. Jones;Howard S. Judelson

  • Genome Analyses of an Aggressive and Invasive Lineage of the Irish Potato Famine Pathogen

    David E. L. Cooke;Liliana M. Cano;Sylvain Raffaele;Ruairidh A. Bain

  • Analysis of genotypic diversity data for populations of microorganisms.

    Niklaus J. Grünwald;Stephen B. Goodwin;Michael G. Milgroom;William E. Fry

  • Five Reasons to Consider Phytophthora infestans a Reemerging Pathogen

    W. E. Fry;P. R. J. Birch;H. S. Judelson;N. J. Grünwald

  • Emergence of the sudden oak death pathogen Phytophthora ramorum

    Niklaus J. Grunwald;Matteo Garbelotto;Erica M. Goss;Kurt Heungens

  • The biology of Phytophthora infestans at its center of origin.

    Niklaus J. Grünwald;Wilbert G. Flier

  • Fungal planet description sheets: 154-213

    P W Crous;M J Wingfield;J Guarro;R Cheewangkoon

  • Phytophthora ramorum: a pathogen with a remarkably wide host range causing sudden oak death on oaks and ramorum blight on woody ornamentals

    Niklaus J. Grünwald;Erica M. Goss;Caroline M. Press

  • The Irish potato famine pathogen Phytophthora infestans originated in central Mexico rather than the Andes

    Erica M. Goss;Javier F. Tabima;David E. L. Cooke;Silvia Restrepo

  • Screening techniques and sources of resistance to root diseases in cool season food legumes

    Alessandro Infantino;Mohamed Kharrat;Luca Riccioni;Clarice J. Coyne

  • Population genetic analysis infers migration pathways of Phytophthora ramorum in US nurseries.

    Erica M. Goss;Meg Larsen;Gary A. Chastagner;Donald R. Givens

  • Dynamics of bacterial populations in relation to carbon availability in a residue-amended soil

    S.J Hu;A.H.C van Bruggen;N.J Grünwald

  • Phytophthora-ID.org: A Sequence-Based Phytophthora Identification Tool

    Niklaus J Grünwald;Frank N Martin;Meredith M Larsen;Christopher M Sullivan

  • The 2009 late blight pandemic in the eastern United States - causes and results

    W. E. Fry;M. T. McGrath;A. Seaman;T. A. Zitter

  • Population Structure of Phytophthora infestans in the Toluca Valley Region of Central Mexico

    Niklaus J. Grünwald;Wilbert G. Flier;Anne K. Sturbaum;Edith Garay-Serrano

  • The Population Structure of Phytophthora infestans from the Toluca Valley of Central Mexico Suggests Genetic Differentiation Between Populations from Cultivated Potato and Wild Solanum spp.

    Wilbert G. Flier;Niklaus J. Grünwald;Laurens P. N. M. Kroon;Anne K. Sturbaum

  • Ancient isolation and independent evolution of the three clonal lineages of the exotic sudden oak death pathogen Phytophthora ramorum.

    E. M. Goss;I. Carbone;N. J. Grünwald

  • Evolution and Population Genetics of Exotic and Re-Emerging Pathogens: Novel Tools and Approaches

    Niklaus J. Grünwald;Erica M. Goss

  • Phytophthora ramorum in Canada: evidence for migration within North America and from Europe

    Erica M Goss;Meg Larsen;Annelies Vercauteren;Sabine Werres

  • The Plant Pathogen Phytophthora andina Emerged via Hybridization of an Unknown Phytophthora Species and the Irish Potato Famine Pathogen, P. infestans

    Erica M. Goss;Martha E. Cardenas;Kevin Myers;Gregory A. Forbes

Frequent Co-Authors

William E. Fry
William E. Fry Cornell University
Everett M. Hansen
Everett M. Hansen Oregon State University
Brett M. Tyler
Brett M. Tyler Oregon State University
Christine D. Smart
Christine D. Smart Cornell University
Silvia Restrepo
Silvia Restrepo Cornell University
Howard S. Judelson
Howard S. Judelson University of California, Riverside
Jean B. Ristaino
Jean B. Ristaino North Carolina State University
Frank N. Martin
Frank N. Martin United States Department of Agriculture
Matteo Garbelotto
Matteo Garbelotto University of California, Berkeley
David H. Gent
David H. Gent United States Department of Agriculture

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