World's Best Scientists 2026 revealed!

D-Index & Metrics

Plant Science and Agronomy

D-Index
33
Citations
3873
World Ranking
5720
National Ranking
253

Takehiko Shimada 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 Takehiko Shimada 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: 94 publications — 21st percentile

21% of scientists in this discipline score the same or lower.

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

Takehiko Shimada 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 Takehiko Shimada 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: 33 D-Index — 15th percentile

15% of scientists in this discipline score the same or lower.

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

Best Publications

  • Ectopic expression of an FT homolog from Citrus confers an early flowering phenotype on trifoliate orange (Poncirus trifoliata L. Raf.)

    Tomoko Endo;Takehiko Shimada;Hiroshi Fujii;Yasushi Kobayashi

  • Ethylene-regulation of fruit softening and softening-related genes in peach

    Hiroko Hayama;Takehiko Shimada;Hiroshi Fujii;Akiko Ito

  • Increased CiFT abundance in the stem correlates with floral induction by low temperature in Satsuma mandarin (Citrus unshiu Marc.)

    Fumie Nishikawa;Tomoko Endo;Takehiko Shimada;Hiroshi Fujii

  • Increased levels of IAA are required for system 2 ethylene synthesis causing fruit softening in peach (Prunus persica L. Batsch)

    Miho Tatsuki;Naoko Nakajima;Hiroshi Fujii;Takehiko Shimada

  • Terpene Down-Regulation in Orange Reveals the Role of Fruit Aromas in Mediating Interactions with Insect Herbivores and Pathogens

    Ana Rodríguez;Victoria San Andrés;Magdalena Cervera;Ana Redondo

  • Characterization of Morphological Traits Based on a Genetic Linkage Map in Peach

    Toshiya Yamamoto;Takehiko Shimada;Tsuyoshi Imai;Hideaki Yaegaki

  • Profiling ethylene-responsive genes in mature mandarin fruit using a citrus 22K oligoarray

    Hiroshi Fujii;Takehiko Shimada;Aiko Sugiyama;Fumie Nishikawa

  • Molecular Cloning of Dormancy-associated MADS-box Gene Homologs and Their Characterization during Seasonal Endodormancy Transitional Phases of Japanese Pear

    Benjamin Ewa Ubi;Daisuke Sakamoto;Yusuke Ban;Takehiko Shimada

  • Vacuolar citrate/H+ symporter of citrus juice cells.

    Takehiko Shimada;Ryohei Nakano;Vladimir Shulaev;Avi Sadka

  • Molecular cloning and functional characterization of four monoterpene synthase genes from Citrus unshiu Marc.

    Takehiko Shimada;Tomoko Endo;Hiroshi Fujii;Masakazu Hara

  • Molecular characterization of S -RNase genes and S -genotypes in the Japanese apricot ( Prunus mume Sieb. et Zucc.)

    Unknown

  • Isolation and characterization of (E)-beta-ocimene and 1,8 cineole synthases in Citrus unshiu Marc

    Takehiko Shimada;Tomoko Endo;Hiroshi Fujii;Masakazu Hara

  • Isolation and characterization of the somatic embryogenesis receptor-like kinase gene homologue (CitSERK1) from Citrus unshiu Marc.

    Takehiko Shimada;Toshiro Hirabayashi;Tomoko Endo;Hiroshi Fujii

  • Terpene down-regulation triggers defense responses in transgenic orange leading to resistance against fungal pathogens.

    Ana Rodríguez;Takehiko Shimada;Magdalena Cervera;Berta Alquézar

  • Genetic diversity of plums characterized by random amplified polymorphic DNA (RAPD) analysis

    Takehiko Shimada;Hiroko Hayama;Takashi Haji;Masami Yamaguchi

  • Citrus breeding, genetics and genomics in Japan.

    Mitsuo Omura;Takehiko Shimada

  • MITE insertion-dependent expression of CitRKD1 with a RWP-RK domain regulates somatic embryogenesis in citrus nucellar tissues

    Takehiko Shimada;Tomoko Endo;Hiroshi Fujii;Michiharu Nakano

  • Differences in seasonal expression of flowering genes between deciduous trifoliate orange and evergreen Satsuma mandarin

    Fumie Nishikawa;Tomoko Endo;Takehiko Shimada;Hiroshi Fujii

  • Characterization of three linalool synthase genes from Citrus unshiu Marc. and analysis of linalool-mediated resistance against Xanthomonas citri subsp. citri and Penicilium italicum in citrus leaves and fruits.

    Takehiko Shimada;Tomoko Endo;Hiroshi Fujii;Ana Rodríguez

  • Classification of Apricot Varieties by RAPD Analysis

    Toshihide Takeda;Takehiko Shimada;Keiichi Nomura;Takeshi Ozaki

  • Impact of d-limonene synthase up- or down-regulation on sweet orange fruit and juice odor perception.

    Ana Rodríguez;Josep E. Peris;Ana Redondo;Takehiko Shimada

  • Toward comprehensive expression profiling by microarray analysis in citrus: monitoring the expression profiles of 2213 genes during fruit development

    Takehiko Shimada;H. Fuiii;T. Endo;J. Yazaki

  • Molecular cloning of a ripening-related expansin cDNA in peach: evidence for no relationship between expansin accumulation and change in fruit firmness during storage

    Hiroko Hayama;Takehiko Shimada;T. Haji;Akiko Ito

  • Characterization of genomic sequence showing strong association with polyembryony among diverse Citrus species and cultivars, and its synteny with Vitis and Populus.

    Michiharu Nakano;Takehiko Shimada;Tomoko Endo;Hiroshi Fujii

  • Overexpression of a citrus basic helix-loop-helix transcription factor (CubHLH1), which is homologous to Arabidopsis activation-tagged bri1 suppressor 1 interacting factor genes, modulates carotenoid metabolism in transgenic tomato.

    Tomoko Endo;Hiroshi Fujii;Aiko Sugiyama;Michiharu Nakano

Frequent Co-Authors

Mitsuo Omura
Mitsuo Omura Shizuoka University
Leandro Peña
Leandro Peña Universitat Politècnica de València
María Jesús Rodrigo
María Jesús Rodrigo Spanish National Research Council
Lorenzo Zacarías
Lorenzo Zacarías Spanish National Research Council
Lluís Palou
Lluís Palou Instituto Valenciano de Investigaciones Agrarias
Takaya Moriguchi
Takaya Moriguchi University of Tsukuba
Aurelio Gómez-Cadenas
Aurelio Gómez-Cadenas Jaume I University
Pedro Castañera
Pedro Castañera Spanish National Research Council
Hiroyoshi Iwata
Hiroyoshi Iwata University of Tokyo
Takeshi Itoh
Takeshi Itoh Nara Institute of Science and Technology

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