World's Best Scientists 2026 revealed!

D-Index & Metrics

Plant Science and Agronomy

D-Index
52
Citations
11428
World Ranking
1887
National Ranking
497

Overview

What is he best known for?

The fields of study he is best known for:

  • Gene
  • Genetics
  • Genome

His primary areas of investigation include Cultivar, Agronomy, Poaceae, Seedling and Botany. His Cultivar research integrates issues from Germplasm and Molecular marker. His study ties his expertise on Plant disease resistance together with the subject of Agronomy.

James Kolmer interconnects Common wheat, Wheat leaf rust, Puccinia triticina, Gene and Fungus in the investigation of issues within Poaceae. In Seedling, James Kolmer works on issues like Resistance, which are connected to Breed and Single-nucleotide polymorphism. He has included themes like Genetic variability, Genotype and Population genetics in his Botany study.

His most cited work include:

  • Genetics of resistance to wheat leaf rust. (295 citations)
  • PCR assays for the Lr37-Yr17-Sr38 cluster of rust resistance genes and their use to develop isogenic hard red spring wheat lines (225 citations)
  • Wheat leaf rust caused by Puccinia triticina (223 citations)

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

James Kolmer spends much of his time researching Agronomy, Cultivar, Winter wheat, Virulence and Botany. His Agronomy research incorporates themes from Plant disease resistance and Agricultural experiment station. His work deals with themes such as Germplasm, Poaceae, Fusarium and Seedling, which intersect with Cultivar.

His Wheat leaf rust and Puccinia triticina study, which is part of a larger body of work in Virulence, is frequently linked to Veterinary medicine, bridging the gap between disciplines. His Wheat leaf rust research is classified as research in Genetics. He combines subjects such as Microsatellite, Gene and Obligate parasite with his study of Botany.

He most often published in these fields:

  • Agronomy (53.06%)
  • Cultivar (40.31%)
  • Winter wheat (26.53%)

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

  • Agronomy (53.06%)
  • Winter wheat (26.53%)
  • Genetics (28.06%)

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

His primary scientific interests are in Agronomy, Winter wheat, Genetics, Virulence and Cultivar. His work in the fields of Agronomy, such as Yield gain, intersects with other areas such as Separable space. His study of Wheat leaf rust is a part of Virulence.

His Wheat leaf rust research is multidisciplinary, incorporating elements of Haplotype and Fungus. The Cultivar study combines topics in areas such as Rust and Agricultural experiment station. Quantitative trait locus is closely connected to Plant disease resistance in his research, which is encompassed under the umbrella topic of Seedling.

Between 2018 and 2021, his most popular works were:

  • Mapping of Novel Leaf Rust and Stem Rust Resistance Genes in the Portuguese Durum Wheat Landrace PI 192051. (8 citations)
  • Multilocus Genotypes of the Wheat Leaf Rust Fungus Puccinia triticina in Worldwide Regions Indicate Past and Current Long-Distance Migration. (8 citations)
  • Virulence of Puccinia triticina, the Wheat Leaf Rust Fungus, in the United States in 2017. (7 citations)

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

  • Gene
  • Genetics
  • Genome

James Kolmer mainly investigates Virulence, Genetics, Agronomy, Wheat leaf rust and Cultivar. His research investigates the link between Virulence and topics such as Rust that cross with problems in Locus, Resistance and Transgene. Gene and Inbred strain are the subjects of his Genetics studies.

His Agronomy research focuses on Agricultural experiment station and how it relates to Grain yield and Fusarium. His study explores the link between Wheat leaf rust and topics such as Fungus that cross with problems in Loss of heterozygosity and Urediniospore. James Kolmer works mostly in the field of Stem rust, limiting it down to topics relating to Plant disease resistance and, in certain cases, Common wheat, as a part of the same area of interest.

Best Publications

  • A North American system of nomenclature for Puccinia recondita f. sp. tritici.

    D. L. Long;J. A. Kolmer

  • Genetics of resistance to wheat leaf rust.

    J. A. Kolmer

  • Wheat leaf rust caused by Puccinia triticina

    Melvin D. Bolton;James A. Kolmer;David F. Garvin

  • PCR assays for the Lr37-Yr17-Sr38 cluster of rust resistance genes and their use to develop isogenic hard red spring wheat lines

    M. Helguera;M. Helguera;I. A. Khan;J. Kolmer;D. Lijavetzky

  • Tracking wheat rust on a continental scale.

    James A Kolmer

  • Powdery mildew resistance and Lr34/Yr18 genes for durable resistance to leaf and stripe rust cosegregate at a locus on the short arm of chromosome 7D of wheat

    W. Spielmeyer;R. A. McIntosh;J. Kolmer;E. S. Lagudah

  • Analysis of the Lr34/Yr18 Rust Resistance Region in Wheat Germplasm

    James A. Kolmer;Ravi P. Singh;David F. Garvin;Libby Viccars

  • The wheat Sr50 gene reveals rich diversity at a cereal disease resistance locus.

    Rohit Mago;Peng Zhang;Sonia Vautrin;Hana Šimková

  • Effect of gene Lr34 in the enhancement of resistance to leaf rust of wheat

    S. E. German;J. A. Kolmer

  • Leaf Rust of Wheat: Pathogen Biology, Variation and Host Resistance

    James Kolmer

  • Genome Wide Association Study of Seedling and Adult Plant Leaf Rust Resistance in Elite Spring Wheat Breeding Lines.

    Liangliang Gao;M. Kathryn Turner;Shiaoman Chao;James Kolmer;James Kolmer

  • Wheat leaf and stem rust in the United States

    James Kolmer;Yue Jin;D. L. Long

  • Virulence and molecular polymorphism in Puccinia recondita f. sp. tritici in Canada

    J. A. Kolmer;J. Q. Liu;M. Sies

  • A five-transgene cassette confers broad-spectrum resistance to a fungal rust pathogen in wheat

    Ming Luo;Liqiong Xie;Soma Chakraborty;Aihua Wang

  • Lr34-mediated leaf rust resistance in wheat: transcript profiling reveals a high energetic demand supported by transient recruitment of multiple metabolic pathways.

    Melvin D. Bolton;James A. Kolmer;Wayne W. Xu;David F. Garvin

  • Postulation of leaf rust resistance genes in selected soft red winter wheats

    J. A. Kolmer

  • Physiologic Specialization of Puccinia triticina on Wheat in the United States in 2003.

    James Kolmer;D. L. Long;M. E. Hughes

  • PCR markers for Triticum speltoides leaf rust resistance gene Lr51 and their use to develop isogenic hard red spring wheat lines

    M Helguera;L Vanzetti;M Soria;I A Khan

  • Molecular characterization of durum and common wheat recombinant lines carrying leaf rust resistance (Lr19) and yellow pigment (Y) genes from Lophopyrum ponticum.

    Wenjun Zhang;Adam J. Lukaszewski;Jim Kolmer;Marcelo A. Soria

  • Association mapping of leaf rust response in durum wheat.

    Marco Maccaferri;Maria C. Sanguineti;Paola Mantovani;Andrea Demontis

  • Virulence and molecular polymorphism in international collections of the wheat leaf rust fungus Puccinia triticina

    James Kolmer;J. Q. Liu

Frequent Co-Authors

Yue Jin
Yue Jin US Department of Agriculture
Guihua Bai
Guihua Bai United States Department of Agriculture
Xianming Chen
Xianming Chen Washington State University
James A. Anderson
James A. Anderson University of Minnesota
Ming-Shun Chen
Ming-Shun Chen Kansas State University
Robert L. Bowden
Robert L. Bowden US Department of Agriculture
Scott D. Haley
Scott D. Haley Colorado State University
Frank B. Peairs
Frank B. Peairs Colorado State University
Gina Brown-Guedira
Gina Brown-Guedira North Carolina State University
Matthew N. Rouse
Matthew N. Rouse US Department of Agriculture

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