World's Best Scientists 2026 revealed!

D-Index & Metrics

Plant Science and Agronomy

D-Index
33
Citations
5356
World Ranking
5593
National Ranking
238

Louis Gardan 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 Louis Gardan 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: 107 publications — 30th percentile

30% of scientists in this discipline score the same or lower.

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

Louis Gardan 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 Louis Gardan 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

  • Transfer of Pectobacterium chrysanthemi (Burkholder et al. 1953) Brenner et al. 1973 and Brenneria paradisiaca to the genus Dickeya gen. nov. as Dickeya chrysanthemi comb. nov. and Dickeya paradisiaca comb. nov. and delineation of four novel species, Dickeya dadantii sp. nov., Dickeya dianthicola sp. nov., Dickeya dieffenbachiae sp. nov., and Dickeya zeae sp. nov.

    Régine Samson;Jean Bernard Legendre;Richard Christen;Marion Fischer-Le Saux

  • DNA relatedness among the pathovars of Pseudomonas syringae and description of Pseudomonas tremae sp. nov. and Pseudomonas cannabina sp. nov. (ex Sutic and Dowson 1959)

    L. Gardan;H. Shafik;S. Belouin;R. Broch

  • Elevation of three subspecies of Pectobacterium carotovorum to species level: Pectobacterium atrosepticum sp. nov., Pectobacterium betavasculorum sp. nov. and Pectobacterium wasabiae sp. nov.

    Louis Gardan;Cécile Gouy;Richard Christen;Régine Samson

  • Effect of Two Plant Species, Flax (Linum usitatissinum L.) and Tomato (Lycopersicon esculentum Mill.), on the Diversity of Soilborne Populations of Fluorescent Pseudomonads

    P. Lemanceau;T. Corberand;L. Gardan;X. Latour

  • Auxin Production Is a Common Feature of Most Pathovars of Pseudomonas syringae

    Eric Glickmann;Louis Gardan;Sylvie Jacquet;Shafik Hussain

  • Siderophore typing, a powerful tool for the identification of fluorescent and nonfluorescent pseudomonads.

    Jean-Marie Meyer;Valérie A. Geoffroy;Nader Baida;Louis Gardan

  • DNA Relatedness among the Pathovar Strains of Pseudomonas syringae subsp. savastanoi Janse (1982) and Proposal of Pseudomonas savastanoi sp. nov.

    L. Gardan;C. Bollet;M. Abu Ghorrah;F. Grimont

  • Pseudomonas brassicacearum sp. nov. and Pseudomonas thivervalensis sp. nov., two root-associated bacteria isolated from Brassica napus and Arabidopsis thaliana.

    Wafa Achouak;Laurent Sutra;Thierry Heulin;Jean-Marie Meyer

  • Erwinia pyrifoliae sp. nov., a novel pathogen that affects Asian pear trees (Pyrus pyrifolia Nakai)

    Won-Sik Kim;Louis Gardan;Seong-Lyul Rhim;Klaus Geider

  • The taxonomy of Pseudomonas fluorescens and Pseudomonas putida: current status and need for revision

    Emmanuel Bossis;Philippe Lemanceau;Xavier Latour;Louis Gardan

  • DNA relatedness among strains of Streptomyces pathogenic to potato in France: description of three new species, S. europaeiscabiei sp. nov. and S. stelliscabiei sp. nov. associated with common scab, and S. reticuliscabiei sp. nov. associated with netted scab.

    K Bouchek-Mechiche;L Gardan;P Normand;B Jouan

  • Names of plant pathogenic bacteria 1864-1995

    Unknown

  • Changing Concepts in the Taxonomy of Plant Pathogenic Bacteria

    Unknown

  • Phenotypic and genomic evidence for the revision of Pseudomonas corrugata and proposal of Pseudomonas mediterranea sp. nov.

    Vittoria Catara;Laurent Sutra;Audrey Morineau;Wafa Achouak

  • Pseudomonas costantinii sp. nov., another causal agent of brown blotch disease, isolated from cultivated mushroom sporophores in Finland.

    Patricia Munsch;Tapani Alatossava;Nina Marttinen;Jean-Marie Meyer

  • Nitrogen-fixing sinorhizobia with Medicago laciniata constitute a novel biovar (bv. medicaginis) of S. meliloti

    Unknown

  • The Relationship of Host Range, Physiology, and Genotype to Virulence on Cantaloupe in Pseudomonas syringae from Cantaloupe Blight Epidemics in France.

    Unknown

  • Enumeration and characterization of cellulolytic bacteria from refuse of a landfill

    Anne-Marie Pourcher;Laurent Sutra;Isabelle Hébé;Gérard Moguedet

  • Pseudomonas syringae pv. avii (pv. nov.), the causal agent of bacterial canker of wild cherries (Prunus avium) in France

    Unknown

  • Taxonomy of Pseudomonas Strains Isolated from Tomato Pith Necrosis: Emended Description of Pseudomonas corrugata and Proposal of Three Unnamed Fluorescent Pseudomonas Genomospecies

    Unknown

Frequent Co-Authors

Richard Christen
Richard Christen Université Côte d'Azur
Charles Manceau
Charles Manceau French Agency for Food, Environmental and Occupational Health & Safety
Philippe Prior
Philippe Prior INRAE : Institut national de recherche pour l'agriculture, l'alimentation et l'environnement
Yves Dessaux
Yves Dessaux Centre national de la recherche scientifique, CNRS
Wafa Achouak
Wafa Achouak French Alternative Energies and Atomic Energy Commission (CEA)
Jean-Marie Meyer
Jean-Marie Meyer Centre national de la recherche scientifique, CNRS
Philippe Lemanceau
Philippe Lemanceau INRAE : Institut national de recherche pour l'agriculture, l'alimentation et l'environnement
Klaus Geider
Klaus Geider Max Planck Society
Philippe Simoneau
Philippe Simoneau University of Angers
Francine Grimont
Francine Grimont Institut Pasteur

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