S. E. Ullrich

5.0k total citations · 1 hit paper
88 papers, 3.4k citations indexed

About

S. E. Ullrich is a scholar working on Plant Science, Genetics and Nutrition and Dietetics. According to data from OpenAlex, S. E. Ullrich has authored 88 papers receiving a total of 3.4k indexed citations (citations by other indexed papers that have themselves been cited), including 79 papers in Plant Science, 30 papers in Genetics and 17 papers in Nutrition and Dietetics. Recurrent topics in S. E. Ullrich's work include Wheat and Barley Genetics and Pathology (53 papers), Genetics and Plant Breeding (31 papers) and Genetic Mapping and Diversity in Plants and Animals (30 papers). S. E. Ullrich is often cited by papers focused on Wheat and Barley Genetics and Pathology (53 papers), Genetics and Plant Breeding (31 papers) and Genetic Mapping and Diversity in Plants and Animals (30 papers). S. E. Ullrich collaborates with scholars based in United States, Spain and Canada. S. E. Ullrich's co-authors include Byung‐Kee Baik, Feng Han, Patrick M. Hayes, I. Romagosa, A. Kleinhofs, J. A. Clancy, D. M. Wesenberg, B. L. Jones, T. K. Blake and W. G. Legge and has published in prestigious journals such as Proceedings of the National Academy of Sciences, PLoS ONE and Plant and Soil.

In The Last Decade

S. E. Ullrich

87 papers receiving 3.1k citations

Hit Papers

Barley for food: Characteristics, improvement, and renewe... 2008 2026 2014 2020 2008 100 200 300 400 500
What are hit papers?

Hit papers significantly outperform the citation benchmark for their cohort. A paper qualifies if it has ≥500 total citations, achieves ≥1.5× the top-1% citation threshold for papers in the same subfield and year (this is the minimum needed to enter the top 1%, not the average within it), or reaches the top citation threshold in at least one of its specific research topics.

  1. Barley for food: Characteristics, improvement, and renewed interest
    2008 535 citations S. E. Ullrich et al. profile →

Peers — A (Enhanced Table)

Peers by citation overlap · career bar shows stage (early→late) cites · hero ref

Name h Career Trend Papers Cites
S. E. Ullrich United States 32 2.9k 1.2k 645 411 354 88 3.4k
Gilles Charmet France 28 2.1k 0.7× 742 0.6× 573 0.9× 356 0.9× 336 0.9× 39 2.7k
R. A. Graybosch United States 33 2.6k 0.9× 329 0.3× 888 1.4× 671 1.6× 306 0.9× 97 3.2k
C. Friedrich H. Longin Germany 37 3.7k 1.3× 2.0k 1.6× 331 0.5× 806 2.0× 484 1.4× 108 4.3k
Kazutoshi Okuno Japan 30 3.7k 1.3× 1.1k 0.9× 849 1.3× 367 0.9× 694 2.0× 111 4.4k
Ismail Dweikat United States 32 2.2k 0.8× 1.0k 0.8× 139 0.2× 558 1.4× 651 1.8× 80 3.0k
O. M. Lukow Canada 26 2.0k 0.7× 366 0.3× 653 1.0× 375 0.9× 205 0.6× 78 2.3k
Yuqing He China 33 4.1k 1.4× 2.2k 1.8× 463 0.7× 146 0.4× 1.1k 3.1× 119 4.6k
Zhixi Tian China 37 4.8k 1.7× 1.2k 0.9× 396 0.6× 264 0.6× 1.8k 5.1× 91 5.6k
Michael J. Giroux United States 37 3.7k 1.3× 675 0.5× 1.4k 2.2× 683 1.7× 943 2.7× 101 4.4k
Rosa Ana Malvar Pintos Spain 33 3.2k 1.1× 1.3k 1.0× 90 0.1× 801 1.9× 866 2.4× 223 3.6k

Countries citing papers authored by S. E. Ullrich

Since Specialization
Citations

This map shows the geographic impact of S. E. Ullrich's research. It shows the number of citations coming from papers published by authors working in each country. You can also color the map by specialization and compare the number of citations received by S. E. Ullrich with the expected number of citations based on a country's size and research output (numbers larger than one mean the country cites S. E. Ullrich more than expected).

Fields of papers citing papers by S. E. Ullrich

Since Specialization
Physical SciencesHealth SciencesLife SciencesSocial Sciences

This network shows the impact of papers produced by S. E. Ullrich. Nodes represent research fields, and links connect fields that are likely to share authors. Colored nodes show fields that tend to cite the papers produced by S. E. Ullrich. The network helps show where S. E. Ullrich may publish in the future.

Co-authorship network of co-authors of S. E. Ullrich

This figure shows the co-authorship network connecting the top 25 collaborators of S. E. Ullrich. A scholar is included among the top collaborators of S. E. Ullrich based on the total number of citations received by their joint publications. Widths of edges represent the number of papers authors have co-authored together. Node borders signify the number of papers an author published with S. E. Ullrich. S. E. Ullrich is excluded from the visualization to improve readability, since they are connected to all nodes in the network.

All Works

20 of 20 papers shown
1.
Murphy, Kevin, S. E. Ullrich, Janet B. Matanguihan, et al.. (2015). Registration of ‘Muir’ Spring Feed Barley. Journal of Plant Registrations. 9(3). 283–287. 4 indexed citations
2.
Mohammadi, Mohsen, T. K. Blake, Allen D. Budde, et al.. (2015). A genome-wide association study of malting quality across eight U.S. barley breeding programs. Theoretical and Applied Genetics. 128(4). 705–721. 56 indexed citations
3.
Elía, M., J. S. Swanston, Marian Moralejo, et al.. (2009). A model of the genetic differences in malting quality between European and North American barley cultivars based on a QTL study of the cross Triumph × Morex. Plant Breeding. 129(3). 280–290. 14 indexed citations
4.
Druka, Arnis, Hongqiang Li, Zhaohui Sun, et al.. (2008). Towards systems genetic analyses in barley: Integration of phenotypic, expression and genotype data into GeneNetwork. BMC Genetics. 9(1). 73–73. 16 indexed citations
5.
Boltze, Manfred & S. E. Ullrich. (2005). Qualitaetsmanagement im Stadtverkehr - Neue Wege zu einer effizienteren Verkehrssteuerung / Quality Management for Urban Traffic Control. 49(2). 1 indexed citations
6.
Ullrich, S. E., et al.. (2004). Genetic control of dormancy in a Triumph/Morex cross in barley. Theoretical and Applied Genetics. 109(1). 62–70. 53 indexed citations
7.
Gao, Wei, et al.. (2003). Molecular dissection of a dormancy QTL region near the chromosome 7 (5H) L telomere in barley. Theoretical and Applied Genetics. 107(3). 552–559. 49 indexed citations
8.
Ullrich, S. E., et al.. (2001). Stability of transgene expression, field performance and recombination breeding of transformed barley lines. Theoretical and Applied Genetics. 102(1). 1–11. 39 indexed citations
9.
Zale, Janice, J. A. Clancy, S. E. Ullrich, B. L. Jones, & P. M. Hayes. (2000). Summary of barley malting quality QTLs mapped in various populations.. 30. 44–54. 19 indexed citations
10.
Ullrich, S. E., et al.. (2000). Establishment of a New Crop Registration Category Mapping Populations. Crop Science. 40(4). 1189–1190. 1 indexed citations
11.
Ullrich, S. E., et al.. (1998). Application of in vitro culture techniques to barley (Hordeum vulgare L.) improvement. Journal of Applied Genetics. 39(1). 49–58. 1 indexed citations
12.
Ullrich, S. E., et al.. (1997). Eficiência no uso de nitrogênio de genótipos de cevada de altura normal e semi-anã. Pesquisa Agropecuária Brasileira. 32(2). 147–153. 4 indexed citations
13.
Ullrich, S. E., et al.. (1997). Acúmulo de matéria seca e de nitrogênio por genótipos de cevada com altura normal e reduzida. Pesquisa Agropecuária Brasileira. 32(2). 155–164. 1 indexed citations
14.
Han, Feng, A. Kleinhofs, Andrzej Kilian, & S. E. Ullrich. (1997). Cloning and Mapping of a Putative Barley NADPH-Dependent HC-Toxin Reductase. Molecular Plant-Microbe Interactions. 10(2). 234–239. 16 indexed citations
15.
Ullrich, S. E., et al.. (1996). Efeito do tamanho da semente, da concentração de proteína e da época de aplicação de nitrogênio no vigor e rendimento de grãos de cevada. Pesquisa Agropecuária Brasileira. 31(2). 113–119. 4 indexed citations
16.
Han, Feng, et al.. (1996). Verification of barley seed dormancy loci via linked molecular markers. Theoretical and Applied Genetics. 92(1). 87–91. 64 indexed citations
17.
Han, Feng, et al.. (1996). Verification of barley seed dormancy loci via linked molecular markers. Theoretical and Applied Genetics. 92(1). 87–91. 11 indexed citations
18.
Ullrich, S. E., et al.. (1987). Investigation of partial sterility in advanced generation, sodium azide-induced lines of spring barley. Theoretical and Applied Genetics. 74(3). 402–408. 1 indexed citations
19.
Blake, T. K., S. E. Ullrich, & R.A. Nilan. (1982). Mapping of the Hor-3 locus encoding D hordein in Barley. Theoretical and Applied Genetics. 63(4). 367–371. 45 indexed citations
20.
Ullrich, S. E. & R. F. Eslick. (1978). Lysine and Protein Characterization of Induced Shrunken Endosperm Mutants of Barley1. Crop Science. 18(6). 963–966. 3 indexed citations

Rankless uses publication and citation data sourced from OpenAlex, an open and comprehensive bibliographic database. While OpenAlex provides broad and valuable coverage of the global research landscape, it—like all bibliographic datasets—has inherent limitations. These include incomplete records, variations in author disambiguation, differences in journal indexing, and delays in data updates. As a result, some metrics and network relationships displayed in Rankless may not fully capture the entirety of a scholar's output or impact.

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