World's Best Scientists 2026 revealed!

D-Index & Metrics

Plant Science and Agronomy

D-Index
37
Citations
6075
World Ranking
4591
National Ranking
1139

Daniel P. Roberts 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 Daniel P. Roberts 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: 116 publications — 37th percentile

37% of scientists in this discipline score the same or lower.

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

Daniel P. Roberts 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 Daniel P. Roberts 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: 37 D-Index — 31st percentile

31% of scientists in this discipline score the same or lower.

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

Best Publications

  • Factors affecting soil microbial community structure in tomato cropping systems

    Jeffrey S. Buyer;John R. Teasdale;Daniel P. Roberts;Inga A. Zasada

  • Fungal and plant gene expression during the colonization of cacao seedlings by endophytic isolates of four Trichoderma species.

    B. A. Bailey;H. Bae;M. D. Strem;D. P. Roberts

  • Isolation and partial characterization of Bacillus subtilis ME488 for suppression of soilborne pathogens of cucumber and pepper.

    Soohee Chung;Hyesuk Kong;Jeffrey S. Buyer;Dilip K. Lakshman

  • Soil and plant effects on microbial community structure.

    Jeffrey S Buyer;Daniel P Roberts;Estelle Russek-Cohen

  • Cloning of the egl gene of Pseudomonas solanacearum and analysis of its role in phytopathogenicity.

    Unknown

  • Endophytic Trichoderma isolates from tropical environments delay disease onset and induce resistance against Phytophthora capsici in hot pepper using multiple mechanisms.

    Hanhong Bae;Daniel P. Roberts;Hyoun-Sub Lim;Mary D. Strem

  • Biocontrol agents applied individually and in combination for suppression of soilborne diseases of cucumber

    Daniel P. Roberts;Scott M. Lohrke;Susan L.F. Meyer;Jeffrey S. Buyer

  • Microbial community structure and function in the spermosphere as affected by soil and seed type

    Jeffrey S. Buyer;Daniel P. Roberts;Estelle Russek-Cohen

  • Big Data Analysis for Sustainable Agriculture on a Geospatial Cloud Framework

    Jorge A. Delgado;Nicholas M. Short;Daniel P. Roberts;Bruce Vandenberg

  • Combinations of biocontrol agents for management of plant-parasitic nematodes and soilborne plant-pathogenic fungi.

    Unknown

  • Isolation and identification of mycoparasitic isolates of Trichoderma asperellum with potential for suppression of black pod disease of cacao in Cameroon

    P.R. Tondje;D.P. Roberts;M.C. Bon;T. Widmer

  • Evaluation of Trichoderma virens and Burkholderia cepacia for antagonistic activity against root-knot nematode, Meloidogyne incognita.

    Unknown

  • APPLICATION OF BURKHOLDERIA CEPACIA AND TRICHODERMA VIRENS , ALONE AND IN COMBINATIONS, AGAINST MELOIDOGYNE INCOGNITA ON BELL PEPPER

    Susan L. F. Meyer;Daniel P. Roberts;David J. Chitwood;Lynn K. Carta

  • Analysis of the Pseudomonas solanacearum polygalacturonase encoded by pglA and its involvement in phytopathogenicity.

    Unknown

  • Sustainable Agriculture—Enhancing Environmental Benefits, Food Nutritional Quality and Building Crop Resilience to Abiotic and Biotic Stresses

    Unknown

  • Broad spectrum anti-biotic activity and disease suppression by the potential biocontrol agent Burkholderia ambifaria BC-F

    W Li;D.P Roberts;P.D Dery;S.L.F Meyer

  • Microbial community structure and abundance in the rhizosphere and bulk soil of a tomato cropping system that includes cover crops

    Jude E. Maul;Jeffrey S. Buyer;R. Michael Lehman;Steve Culman

  • Analysis of fungal communities by sole carbon source utilization profiles.

    Jeffrey S Buyer;Daniel P Roberts;Patricia Millner;Estelle Russek-Cohen

  • Involvement of acetosyringone in plant-pathogen recognition.

    C. Jacyn Baker;Norton M. Mock;Bruce D. Whitaker;Daniel P. Roberts

  • Induction of redox sensitive extracellular phenolics during plant-bacterial interactions *

    C. Jacyn Baker;Bruce D. Whitaker;Daniel P. Roberts;Norton M. Mock

Frequent Co-Authors

Jeffrey S. Buyer
Jeffrey S. Buyer Agricultural Research Service
Jude E. Maul
Jude E. Maul Agricultural Research Service
Bruce D. Whitaker
Bruce D. Whitaker United States Department of Agriculture
R. D. Lumsden
R. D. Lumsden US Department of Agriculture
Arnab Pain
Arnab Pain King Abdullah University of Science and Technology
Bryan A. Bailey
Bryan A. Bailey Agricultural Research Service
Hanhong Bae
Hanhong Bae Yeungnam University
Anna M. McClung
Anna M. McClung Agricultural Research Service
John R. Teasdale
John R. Teasdale United States Department of Agriculture
Vangimalla R. Reddy
Vangimalla R. Reddy Agricultural Research Service

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