World's Best Scientists 2026 revealed!

D-Index & Metrics

Plant Science and Agronomy

D-Index
33
Citations
4705
World Ranking
5627
National Ranking
1368

Ann M. Callahan 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 Ann M. Callahan 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: 84 publications — 14th percentile

14% of scientists in this discipline score the same or lower.

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

Ann M. Callahan 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 Ann M. Callahan 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

  • Transgenic plums (Prunus domestica L.) express the plum pox virus coat protein gene.

    Ralph Scorza;Michel Ravelonandro;Ann M. Callahan;John M. Cordts

  • Post-transcriptional gene silencing in plum pox virus resistant transgenic European plum containing the plum pox potyvirus coat protein gene.

    Ralph Scorza;Ann Callahan;Laurene Levy;Vern Damsteegt

  • Comparison of the volatile compounds from several commercial peach cultivars

    R. J. Horvat;G. W. Chapman;J. A. Robertson;F. I. Meredith

  • Genetic linkage mapping in peach using morphological, RFLP and RAPD markers.

    S. Rajapakse;L. E. Belthoff;G. He;A. E. Estager

  • PpeTAC1 promotes the horizontal growth of branches in peach trees and is a member of a functionally conserved gene family found in diverse plants species

    Chris Dardick;Ann Callahan;Renate Horn;Karina B. Ruiz

  • Agrobacterium -Mediated Transformation of Plum ( Prunus domestica L.) Hypocotyl Slices and Regeneration of Transgenic Plants

    S. Mante;S. Mante;P. H. Morgens;R. Scorza;J. M. Cordts

  • Induction of 33-kD and 60-kD Peroxidases during Ethylene-Induced Senescence of Cucumber Cotyledons.

    Fred B. Abeles;Linda J. Dunn;Peter Morgens;Ann Callahan

  • Resistance of transgenic Prunus domestica to plum pox virus infection

    M Ravelonandro;R Scorza;J C Bachelier;G Labonne

  • Plum (Prunus domestica) Trees Transformed with Poplar FT1 Result in Altered Architecture, Dormancy Requirement, and Continuous Flowering

    Chinnathambi Srinivasan;Chris Dardick;Ann Callahan;Ralph Scorza

  • Seasonal expression of a dehydrin gene in sibling deciduous and evergreen genotypes of peach (Prunus persica [L.] Batsch)

    Timothy S. Artlip;Ann M. Callahan;Carole L. Bassett;Michael E. Wisniewski

  • Induction of Chitinase, beta-1,3-Glucanase, and Phenylalanine Ammonia Lyase in Peach Fruit by UV-C Treatment.

    Ahmed El Ghaouth;Charles L Wilson;Ann M Callahan

  • Stone formation in peach fruit exhibits spatial coordination of the lignin and flavonoid pathways and similarity to Arabidopsis dehiscence

    Christopher D Dardick;Ann M Callahan;Remo Chiozzotto;Robert J Schaffer

  • Evolution of the fruit endocarp: molecular mechanisms underlying adaptations in seed protection and dispersal strategies.

    Chris Dardick;Ann M. Callahan

  • Unique expression, processing regulation, and regulatory network of peach (Prunus persica) miRNAs

    Hong Zhu;Hong Zhu;Rui-Long Xia;Rui-Long Xia;Bingyu Zhao;Yong-qiang Charles An

  • Genetic engineering of Plum pox virus resistance: ‘HoneySweet’ plum—from concept to product

    Ralph Scorza;Ann Callahan;Chris Dardick;Michel Ravelonandro

  • Comparison of Pch313 (pTOM13 Homolog) RNA Accumulation during Fruit Softening and Wounding of Two Phenotypically Different Peach Cultivars.

    Ann M. Callahan;Peter H. Morgens;Paul Wright;Kenneth E. Nichols

  • Construction of saturated linkage maps of peach crosses segregating for characters controlling fruit quality, tree architecture and pest resistance

    A. G. Abbott;S. Rajapakse;B. Sosinski;Z. X. Lu

  • Candidate gene database and transcript map for peach, a model species for fruit trees

    Renate Horn;Anne-Claire Lecouls;Ann Callahan;Abhaya Dandekar

  • Deletions in an endopolygalacturonase gene cluster correlate with non-melting flesh texture in peach

    Ann M Callahan;Ralph Scorza;Carole Bassett;Michael Nickerson

  • Application of RFLP Analysis to Genetic Linkage Mapping in Peaches

    L. Eldredge;R. Ballard;W.V. Baird;A. Abbott

  • The use of transgenic fruit trees as a resistance strategy for virus epidemics: the plum pox (sharka) model.

    M Ravelonandro;R Scorza;A Callahan;L Levy

  • AGROBACTERIUM-MEDIATED TRANSFORMATION OF PEACH (PRUNUS PERSICA L. BATSCH) LEAF SEGMENTS, IMMATURE EMBRYOS, AND LONG-TERM EMBRYOGENIC CALLUS

    R. Scorza;P. H. Morgens;J. M. Cordts;S. Mante

  • Genetic characterization of worldwide Prunus domestica (plum) germplasm using sequence-based genotyping

    Tetyana Zhebentyayeva;Tetyana Zhebentyayeva;Vijay Shankar;Ralph Scorza;Ann Callahan

  • Characterization of the peach homologue of the ethylene receptor, PpETR1, reveals some unusual features regarding transcript processing.

    Carole L. Bassett;Timothy S. Artlip;Ann M. Callahan

  • Variability in the Quantities of Condensed Tannins and Other Major Phenols in Peach Fruit During Maturation

    Samuel D. Senter;Ann Callahan

  • Gibberellic acid induced parthenocarpic 'Honeycrisp' apples (Malus domestica) exhibit reduced ovary width and lower acidity.

    Kelsey D Galimba;Daniel G Bullock;Chris Dardick;Zhongchi Liu

  • Exposure in vitro to an Environmentally Isolated Strain TC09 of Cladosporium sphaerospermum Triggers Plant Growth Promotion, Early Flowering, and Fruit Yield Increase.

    Zhijian T. Li;Wojciech J. Janisiewicz;Zongrang Liu;Ann M. Callahan

  • Characterization of ‘Stoneless’: A Naturally Occurring, Partially Stoneless Plum Cultivar

    Ann M. Callahan;Chris Dardick;Ralph Scorza

  • Deregulation of plum pox resistant transgenic plum 'Honeysweet'

    Ralph Scorza;Jean-Michel Hily;Ann Callahan;Tadeusz Malinowski

  • ‘HoneySweet’ (C5), the First Genetically Engineered Plum pox virus–resistant Plum (Prunus domestica L.) Cultivar

    Ralph Scorza;Michel Ravelonandro;Ann Callahan;Ioan Zagrai

  • Spatial and temporal assessment of pollen- and seed-mediated gene flow from genetically engineered plum Prunus domestica.

    Ralph Scorza;Alissa B. Kriss;Ann M. Callahan;Kevin Webb

Frequent Co-Authors

Albert G. Abbott
Albert G. Abbott Clemson University
Jaroslav Polák
Jaroslav Polák Czech Academy of Sciences
Theodore M. DeJong
Theodore M. DeJong University of California, Davis
Michael Wisniewski
Michael Wisniewski Virginia Tech
Dennis Gonsalves
Dennis Gonsalves United States Department of Agriculture
Ignazio Verde
Ignazio Verde Agricultural Research Council
Rod A. Wing
Rod A. Wing University of Arizona
Jerry L. Slightom
Jerry L. Slightom AureoGen Biosciences (United States)
Pere Arús
Pere Arús Institute of Agrifood Research and Technology
Zhongchi Liu
Zhongchi Liu University of Maryland, College Park

If you think any of the details on this page are incorrect, let us know.

Report an issue

We appreciate your kind effort to assist us to improve this page, it would be helpful providing us with as much detail as possible in the text box below:

Best Scientists Citing Ann M. Callahan

Trending Scientists

Recently Published Articles