Hiroko Morishima

2.0k total citations
47 papers, 1.4k citations indexed

About

Hiroko Morishima is a scholar working on Plant Science, Genetics and Ecology, Evolution, Behavior and Systematics. According to data from OpenAlex, Hiroko Morishima has authored 47 papers receiving a total of 1.4k indexed citations (citations by other indexed papers that have themselves been cited), including 38 papers in Plant Science, 28 papers in Genetics and 10 papers in Ecology, Evolution, Behavior and Systematics. Recurrent topics in Hiroko Morishima's work include Genetic Mapping and Diversity in Plants and Animals (23 papers), Rice Cultivation and Yield Improvement (20 papers) and GABA and Rice Research (11 papers). Hiroko Morishima is often cited by papers focused on Genetic Mapping and Diversity in Plants and Animals (23 papers), Rice Cultivation and Yield Improvement (20 papers) and GABA and Rice Research (11 papers). Hiroko Morishima collaborates with scholars based in Japan, Kenya and Taiwan. Hiroko Morishima's co-authors include Hiko-Ichi Oka, Hongwei Cai, Yoshio Sano, Yaw-En Chu, Pascale Barbier, Patrick Maundu, Kokichi Hinata, Masahiro Akimoto, Yoshiya Shimamoto and Hiroshi Fujimaki and has published in prestigious journals such as Biometrics, Evolution and Theoretical and Applied Genetics.

In The Last Decade

Hiroko Morishima

47 papers receiving 1.3k citations

Peers — A (Enhanced Table)

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

Name h Career Trend Papers Cites
Hiroko Morishima Japan 21 1.2k 825 315 215 57 47 1.4k
Hiko-Ichi Oka Japan 30 2.3k 2.0× 1.6k 2.0× 626 2.0× 358 1.7× 93 1.6× 101 2.7k
Thomas W. Whitaker United States 20 872 0.7× 634 0.8× 281 0.9× 469 2.2× 51 0.9× 59 1.5k
Sigi Effgen Germany 13 1.2k 1.0× 541 0.7× 363 1.2× 168 0.8× 66 1.2× 14 1.5k
Richard Whitkus United States 21 1.2k 1.0× 587 0.7× 398 1.3× 544 2.5× 124 2.2× 39 1.6k
José de Jesús Sánchez González Mexico 13 686 0.6× 536 0.6× 197 0.6× 107 0.5× 20 0.4× 54 1.0k
Rémy Pasquet France 20 1.1k 0.9× 173 0.2× 263 0.8× 421 2.0× 71 1.2× 47 1.3k
J. M. J. deWet United States 10 676 0.6× 164 0.2× 280 0.9× 398 1.9× 42 0.7× 13 848
Tamar Krugman Israel 24 1.7k 1.5× 672 0.8× 290 0.9× 154 0.7× 44 0.8× 56 1.9k
Anne‐Céline Thuillet France 15 1.1k 1.0× 937 1.1× 300 1.0× 125 0.6× 72 1.3× 20 1.6k
Kelly Swarts United States 9 936 0.8× 822 1.0× 281 0.9× 59 0.3× 26 0.5× 16 1.2k

Countries citing papers authored by Hiroko Morishima

Since Specialization
Citations

This map shows the geographic impact of Hiroko Morishima'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 Hiroko Morishima with the expected number of citations based on a country's size and research output (numbers larger than one mean the country cites Hiroko Morishima more than expected).

Fields of papers citing papers by Hiroko Morishima

Since Specialization
Physical SciencesHealth SciencesLife SciencesSocial Sciences

This network shows the impact of papers produced by Hiroko Morishima. 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 Hiroko Morishima. The network helps show where Hiroko Morishima may publish in the future.

Co-authorship network of co-authors of Hiroko Morishima

This figure shows the co-authorship network connecting the top 25 collaborators of Hiroko Morishima. A scholar is included among the top collaborators of Hiroko Morishima 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 Hiroko Morishima. Hiroko Morishima 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.
Nonomura, Ken-Ichi, Hiroko Morishima, Shinichiro Yamaki, et al.. (2010). The wild Oryza collection in National BioResource Project (NBRP) of Japan: History, biodiversity and utility. Breeding Science. 60(5). 502–508. 20 indexed citations
2.
Nonomura, Ken–Ichi, et al.. (2007). Genome Size of Twenty Wild Species of Oryza Determined by Flow Cytometric and Chromosome Analyses. Breeding Science. 57(1). 73–78. 16 indexed citations
3.
Cai, Hongwei & Hiroko Morishima. (2000). Genomic regions affecting seed shattering and seed dormancy in rice. Theoretical and Applied Genetics. 100(6). 840–846. 150 indexed citations
4.
Morishima, Hiroko. (1999). Evolutionary Studies in Rice Species.. Breeding Research. 1(4). 233–241. 1 indexed citations
5.
Morishima, Hiroko, et al.. (1997). Genetic Characterization of Weedy Rices and the Inference on their Origins.. Ikushugaku zasshi. 47(2). 153–160. 23 indexed citations
6.
Sato, Yoichiro, et al.. (1990). Nonrandom association of genes and characters found in indica × japonica hybrids of rice. Heredity. 65(1). 75–79. 23 indexed citations
7.
Morishima, Hiroko & Hiko-Ichi Oka. (1981). Phylogenetic Differentiation of Cultivated Rice, XXII. Numerical Evaluation of the Indica-Japonica Differentiation. Ikushugaku zasshi. 31(4). 402–413. 93 indexed citations
8.
Sano, Yoshio, Hiroko Morishima, & Hiko-Ichi Oka. (1980). Intermediate perennial-annual populations ofOryza perennis found in Thailand and their evolutionary significance. Journal of Plant Research. 93(4). 291–305. 48 indexed citations
9.
Morishima, Hiroko & Hiko-Ichi Oka. (1979). Genetic diversity in rice populations of Nigeria: Influence of community structure. Agro-Ecosystems. 5(3). 263–269. 11 indexed citations
10.
Morishima, Hiroko & Hiko-Ichi Oka. (1970). A SURVEY OF GENETIC VARIATIONS IN THE POPULATIONS OF WILD <i>ORYZA</i> SPECIES AND THEIR CULTIVATED RELATIVES. The Japanese Journal of Genetics. 45(5). 371–385. 16 indexed citations
11.
12.
Oka, Hiko-Ichi & Hiroko Morishima. (1968). ANALYSIS OF GENETIC VARIATIONS IN PLANTT TYPE OF RICE. The Japanese Journal of Genetics. 43(3). 191–201. 2 indexed citations
13.
14.
Oka, Hiko-Ichi & Hiroko Morishima. (1967). VARIATIONS IN THE BREEDING SYSTEMS OF A WILD RICE,ORYZA PERENNIS. Evolution. 21(2). 249–258. 138 indexed citations
15.
Oka, Hiko-Ichi & Hiroko Morishima. (1967). Variations in the Breeding Systems of a Wild Rice, Oryza perennis. Evolution. 21(2). 249–249. 43 indexed citations
16.
Morishima, Hiroko, Hiko-Ichi Oka, & Te-Tzu Chang. (1967). ANALYSIS OF GENETIC VARIATIONS IN PLANT TYPE OF RICE : 2. Seasonal Change in Genetic Plant Type. Ikushugaku zasshi. 17(4). 251–261. 5 indexed citations
17.
Morishima, Hiroko, Kokichi Hinata, & Hiko-Ichi Oka. (1963). Comparison of Modes of Evolution of Cultivated Forms from Two Wild Rice Species, Oryza breviligulata and O. perennis. Evolution. 17(2). 170–170. 8 indexed citations
18.
Morishima, Hiroko, et al.. (1961). DIRECTIONS OF DIFFERENTIATION IN POPULATIONS OF WILD RICE, ORYZA PERENNIS AND O. SATIVA F. SPONTANEA. Evolution. 15(3). 326–339. 64 indexed citations
19.
Morishima, Hiroko & Hiko-Ichi Oka. (1960). The Pattern of Interspecific Variation in the Genus Oryza: Its Quantitative Representation by Statistical Methods. Evolution. 14(2). 153–153. 23 indexed citations
20.
Morishima, Hiroko & Hiko-Ichi Oka. (1960). THE PATTERN OF INTERSPECIFIC VARIATION IN THE GENUS ORYZA: ITS QUANTITATIVE REPRESENTATION BY STATISTICAL METHODS. Evolution. 14(2). 153–165. 60 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.

Explore authors with similar magnitude of impact

Breakdown of academic impact, for papers by Hiko-Ichi Oka Breakdown of academic impact, for papers by Thomas W. Whitaker Breakdown of academic impact, for papers by Sigi Effgen Breakdown of academic impact, for papers by Richard Whitkus Breakdown of academic impact, for papers by José de Jesús Sánchez González Breakdown of academic impact, for papers by Rémy Pasquet Breakdown of academic impact, for papers by J. M. J. deWet Breakdown of academic impact, for papers by Tamar Krugman Breakdown of academic impact, for papers by Anne‐Céline Thuillet Breakdown of academic impact, for papers by Kelly Swarts
Rankless by CCL
2026