World's Best Scientists 2026 revealed!
Alberto Alma

Alberto Alma

D-Index & Metrics

Plant Science and Agronomy

D-Index
51
Citations
8788
World Ranking
2037
National Ranking
60

Alberto Alma 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 Alberto Alma 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: 290 publications — 92nd percentile

92% of scientists in this discipline score the same or lower.

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

Alberto Alma 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 Alberto Alma 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: 51 D-Index — 70th percentile

70% of scientists in this discipline score the same or lower.

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

Overview

What is he best known for?

The fields of study he is best known for:

  • Botany
  • Ecology
  • Genus

Alberto Alma mainly investigates Botany, Phytoplasma, Ecology, Insect and Scaphoideus titanus. His Botany study combines topics from a wide range of disciplines, such as Acetic acid bacteria, Bacteria and Horticulture. As part of one scientific family, Alberto Alma deals mainly with the area of Phytoplasma, narrowing it down to issues related to the Aster yellows, and often Elm yellows, Ribosomal DNA and Virology.

His Ecology study integrates concerns from other disciplines, such as PEST analysis and Dysbiosis. Alberto Alma has researched Insect in several fields, including Symbiotic bacteria, Symbiosis, Zoology, Hemiptera and Beneficial insects. His biological study spans a wide range of topics, including Flavescence dorée, Leafhopper and Microbiology.

His most cited work include:

  • Bacteria of the genus Asaia stably associate with Anopheles stephensi, an Asian malarial mosquito vector (310 citations)
  • ‘Candidatus Phytoplasma phoenicium’ associated with almond witches’-broom disease: from draft genome to genetic diversity among strain populations (217 citations)
  • Acetic Acid Bacteria, Newly Emerging Symbionts of Insects (202 citations)

What are the main themes of his work throughout his whole career to date?

Alberto Alma spends much of his time researching Botany, Phytoplasma, Horticulture, Ecology and Scaphoideus titanus. His research ties Host and Botany together. His research in Phytoplasma intersects with topics in Cacopsylla melanoneura, Leafhopper and Cixiidae.

Alberto Alma focuses mostly in the field of Ecology, narrowing it down to topics relating to PEST analysis and, in certain cases, Infestation. His Scaphoideus titanus study combines topics in areas such as Integrated pest management, Flavescence dorée, Microbiology, Sex ratio and Cicadomorpha. Alberto Alma combines subjects such as Zoology and Acetic acid bacteria with his study of Insect.

He most often published in these fields:

  • Botany (41.38%)
  • Phytoplasma (25.86%)
  • Horticulture (15.52%)

What were the highlights of his more recent work (between 2016-2021)?

  • Phytoplasma (25.86%)
  • Zoology (10.78%)
  • Botany (41.38%)

In recent papers he was focusing on the following fields of study:

His primary scientific interests are in Phytoplasma, Zoology, Botany, Horticulture and Biological pest control. His Phytoplasma research is multidisciplinary, incorporating elements of Flavescence dorée, Host, Leafhopper and Virology. His studies in Zoology integrate themes in fields like Tortricidae, Cydia, Gut flora and Insect.

His Botany research integrates issues from Archaeology and Genetic diversity. The various areas that Alberto Alma examines in his Horticulture study include Brown marmorated stink bug and Nymph. His Biological pest control research incorporates themes from Scaphoideus titanus and Biocoenosis.

Between 2016 and 2021, his most popular works were:

  • Bacterial diversity shift determined by different diets in the gut of the spotted wing fly Drosophila suzukii is primarily reflected on acetic acid bacteria. (34 citations)
  • Effectiveness of Torymus sinensis : a successful long-term control of the Asian chestnut gall wasp in Italy (15 citations)
  • Multiple guests in a single host: interactions across symbiotic and phytopathogenic bacteria in phloem‐feeding vectors – a review (12 citations)

In his most recent research, the most cited papers focused on:

  • Ecology
  • Botany
  • Genus

Alberto Alma mostly deals with Phytoplasma, Host, Flavescence dorée, Symbiotic bacteria and Microbiology. The Phytoplasma study combines topics in areas such as Ecology and Biological dispersal. His Host study which covers Bacteria that intersects with Phloem and Competition.

His research integrates issues of Transovarial transmission, Lethal yellowing, Aster yellows, Grapevine yellows and Scaphoideus titanus in his study of Flavescence dorée. His work in Scaphoideus titanus addresses issues such as Leafhopper, which are connected to fields such as Biological pest control. In his research on the topic of Biological pest control, Zoology is strongly related with PEST analysis.

Best Publications

  • Acetic Acid Bacteria, Newly Emerging Symbionts of Insects

    Elena Crotti;Aurora Rizzi;Bessem Chouaia;Irene Ricci

  • Natural enemies of the South American moth, Tuta absoluta, in Europe, North Africa and Middle East, and their potential use in pest control strategies

    Lucia Zappalà;Antonio Biondi;Antonio Biondi;Alberto Alma;Ibrahim J. Al-Jboory

  • ‘Candidatus Phytoplasma phoenicium’ associated with almond witches’-broom disease: from draft genome to genetic diversity among strain populations

    Fabio Quaglino;Michael Kube;Maan Jawhari;Yusuf Abou-Jawdah

  • Gut microbiome dysbiosis and honeybee health

    C. Hamdi;A. Balloi;J. Essanaa;E. Crotti

  • Asaia, a versatile acetic acid bacterial symbiont, capable of cross-colonizing insects of phylogenetically distant genera and orders.

    Elena Crotti;Claudia Damiani;Massimo Pajoro;Elena Gonella

  • Microbial symbionts: a resource for the management of insect-related problems.

    Elena Crotti;Annalisa Balloi;Chadlia Hamdi;Luigi Sansonno

  • Rearing, release and settlement prospect in Italy of Torymus sinensis , the biological control agent of the chestnut gall wasp Dryocosmus kuriphilus

    Ambra Quacchia;Seiichi Moriya;Giovanni Bosio;Ivano Scapin

  • Bacteria of the genus Asaia: a potential paratransgenic weapon against malaria.

    Guido Favia;Irene Ricci;Massimo Marzorati;Ilaria Negri

  • Acetobacter tropicalis Is a major symbiont of the olive fruit fly ( Bactrocera oleae )

    Ilias Kounatidis;Elena Crotti;Panagiotis Sapountzis;Luciano Sacchi

  • Feminizing Wolbachia in Zyginidia pullula (Insecta, Hemiptera), a leafhopper with an XX/X0 sex-determination system

    Ilaria Negri;Marco Pellecchia;P. J Mazzoglio;A Patetta

  • Population Dynamics of Cacopsylla melanoneura (Homoptera: Psyllidae), a Vector of Apple Proliferation Phytoplasma in Northwestern Italy

    Rosemarie Tedeschi;Domenico Bosco;Alberto Alma

  • A Novel Bacteroidetes Symbiont Is Localized in Scaphoideus titanus, the Insect Vector of Flavescence Dorée in Vitis vinifera

    Massimo Marzorati;Alberto Alma;Luciano Sacchi;Massimo Pajoro

  • Identification of phytoplasmas in eggs, nymphs and adults of Scaphoideus titanus Ball reared on healthy plants

    A. Alma;D. Bosco;A. Danielli;A. Bertaccini

  • Multiple symbiosis in the leafhopper Scaphoideus titanus (Hemiptera: Cicadellidae): details of transovarial transmission of Cardinium sp. and yeast-like endosymbionts.

    L. Sacchi;M. Genchi;E. Clementi;Elisa Bigliardi

  • Native and introduced parasitoids attacking the invasive chestnut gall wasp Dryocosmus kuriphilus

    Alexandre Aebi;K Schönrogge;G Melika;A Quacchia

  • Adaptation of indigenous larval parasitoids to Tuta absoluta (Lepidoptera: Gelechiidae) in Italy

    Chiara Ferracini;Barbara Letizia Ingegno;Paolo Navone;Ester Ferrari

  • Effects of the diet on the microbiota of the red palm weevil (Coleoptera: Dryophthoridae).

    Matteo Montagna;Bessem Chouaia;Giuseppe Mazza;Erica Maria Prosdocimi

  • Transmission of apple proliferation phytoplasma by Cacopsylla melanoneura (Homoptera: Psyllidae).

    Rosemarie Tedeschi;Alberto Alma

  • Chalcid parasitoid community associated with the invading pest Dryocosmus kuriphilus in north-western Italy.

    Ambra Quacchia;Chiara Ferracini;James A. Nicholls;Enzo Piazza

  • The yeast Wickerhamomyces anomalus (Pichia anomala) inhabits the midgut and reproductive system of the Asian malaria vector Anopheles stephensi

    Irene Ricci;Claudia Damiani;Patrizia Scuppa;Michela Mosca

  • Mixed infection of grapevines in northern Italy by phytoplasmas including 16S rRNA RFLP subgroup 16SrI-B strains previously unreported in this host.

    A. Alma;R. E. Davis;M. Vibio;A. Danielli

  • Evaluation of the effectiveness of Dicyphus errans (Wolff) as predator of Tuta absoluta (Meyrick)

    B.L. Ingegno;C. Ferracini;D. Gallinotti;A. Alma

  • Dispersal patterns and chromatic response of Scaphoideus titanus Ball (Homoptera Cicadellidae), vector of the phytoplasma agent of grapevine flavescence dorée

    Federico Lessio;Alberto Alma

  • Plant-mediated interspecific horizontal transmission of an intracellular symbiont in insects.

    Elena Gonella;Massimo Pajoro;Massimo Pajoro;Massimo Marzorati;Elena Crotti

  • Detection and identification of phytoplasmas infecting cultivated and wild plants in Liguria (Italian Riviera).

    C. Marzachì;A. Alma;M. d'Aquilio;G. Minuto

  • ‘Candidatus Liberibacter europaeus’ sp. nov. that is associated with and transmitted by the psyllid Cacopsylla pyri apparently behaves as an endophyte rather than a pathogen

    Noura Raddadi;Elena Gonella;Caterina Camerota;Alan Pizzinat

Frequent Co-Authors

Daniele Daffonchio
Daniele Daffonchio King Abdullah University of Science and Technology
Claudio Bandi
Claudio Bandi University of Milan
Domenico Bosco
Domenico Bosco University of Geneva
Marco Genchi
Marco Genchi University of Parma
Massimo Blandino
Massimo Blandino University of Turin
Amedeo Reyneri
Amedeo Reyneri University of Turin
Kostas Bourtzis
Kostas Bourtzis International Atomic Energy Agency
Paolo Gonthier
Paolo Gonthier University of Turin
Abdellatif Boudabous
Abdellatif Boudabous Tunis University
Sara Borin
Sara Borin University of Milan

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