Science Explorer Back to mapMap
Discussion
Topic · Plant Science

Phytoplasmas and Hemiptera pathogens

Phytoplasmas and Hemiptera pathogens is a research topic within Plant Science. Science Explorer counts 12k research works in it since 1950. 10.1% of them reached the world's top 10% most cited for their field and year.

This cluster of papers focuses on the study of plant pathogens, particularly Phytoplasmas and Candidatus Liberibacter species, their interactions with insect vectors such as psyllids, and the impact on various host plants including citrus. Research areas include genome sequencing, pathogen transmission, disease control, and the ecological and molecular aspects of plant-pathogen-insect interactions.

  • Phytoplasmas
  • Huanglongbing
  • Xylella fastidiosa
  • Citrus
  • Insect Vectors
  • Candidatus Liberibacter
  • Psyllids
  • Pathogen Transmission
  • Genome Sequencing
  • Plant Disease Control
Research works
12k
fractional, since 1950
In the world top 10%
1.2k
per year above
Top-10% rate
10.1%
share of its works in the world top 10%
Growth, 2018-21 → 2022-25
+11%
the tick is no change
Largest producer
China
26% of the 10 largest, 2022-now
Phytoplasmas and Hemiptera pathogens

Which countries lead Phytoplasmas and Hemiptera pathogens research?

By volume, China and the United States publish the most (466 and 449 works in 2022-now).

By volume, 2022-now

  1. 1 China 466 works
  2. 2 United States 449 works
  3. 3 India 280 works
  4. 4 Brazil 166 works
  5. 5 Italy 129 works
  6. 6 France 89 works
  7. 7 Spain 68 works
  8. 8 Mexico 59 works
  9. 9 United Kingdom 57 works
  10. 10 Japan 56 works

How concentrated that is

The same countries as shares of everything the list above accounts for. A node where two countries do two thirds of the work and one spread evenly across twelve read alike as a ranking and not at all alike here.

China: 25.6%United States: 24.7%India: 15.4%Brazil: 9.1%6 others listed: 25.2%26%largest
China466 · 25.6%United States449 · 24.7%India280 · 15.4%Brazil166 · 9.1%6 others listed458 · 25.2%

Shares of the rows listed above, not of the whole node.

Which institutions lead Phytoplasmas and Hemiptera pathogens research?

By volume in 2022-now, Chinese Academy of Agricultural Sciences publishes the most Phytoplasmas and Hemiptera pathogens research, followed by Indian Council of Agricultural Research and United States Department of Agriculture.

By volume, 2022-now

  1. 1 Chinese Academy of Agricultural SciencesChina 65 works
  2. 2 Indian Council of Agricultural ResearchIndia 63 works
  3. 3 United States Department of AgricultureUnited States 60 works
  4. 4 University of FloridaUnited States 43 works
  5. 5 Russian Academy of SciencesRussia 30 works
  6. 6 Institut National de Recherche pour l'Agriculture, l'Alimentation et l'EnvironnementFrance 24 works
  7. 7 National Research CouncilItaly 23 works
  8. 8 Guizhou UniversityChina 22 works
  9. 9 Consejo Superior de Investigaciones CientíficasSpain 21 works
  10. 10 Florida Department of CitrusUnited States 20 works

Who are the leading researchers in Phytoplasmas and Hemiptera pathogens?

The most-cited researchers publishing on Phytoplasmas and Hemiptera pathogens include Steven L. Salzberg and Didier Raoult.

  1. 1 Steven L. Salzberg United States 372k citations
  2. 2 Didier Raoult France 232k citations

Ranked by citations received across their whole record, among researchers with at least three works on this topic.

What are the most cited papers in Phytoplasmas and Hemiptera pathogens?

The most cited paper in Phytoplasmas and Hemiptera pathogens is "Regeneration and molecular characterization of intergeneric somatic hybrids between Citrus reticulata and Poncirus trifoliata" (W. W. Guo, Yufeng Cheng, Xiuxin Deng, 2002), with 2,226 citations. Next come "Huanglongbing : a destructive, newly-emerging, century-old disease of citrus" (2,047) and "BRAKER2: automatic eukaryotic genome annotation with GeneMark-EP+ and AUGUSTUS supported by a protein database" (1,852).

Most cited papers
#PaperReleasedCitations
1 Regeneration and molecular characterization of intergeneric somatic hybrids between Citrus reticulata and Poncirus trifoliata W. W. Guo, Yufeng Cheng, Xiuxin Deng · Plant Cell Reports Feb 2002 2,226
2 Huanglongbing : a destructive, newly-emerging, century-old disease of citrus Joseph M. Bové · HAL (Le Centre pour la Communication Scientifique Directe) 2006 2,047
3 BRAKER2: automatic eukaryotic genome annotation with GeneMark-EP+ and AUGUSTUS supported by a protein database Tomáš Brůna, Katharina J. Hoff, Alexandre Lomsadze et al. · NAR Genomics and Bioinformatics Open access 6 Jan 2021 1,852
4 IMMUNOLOGICAL FUNCTION OF THE THYMUS John R. Miller · The Lancet Sep 1961 1,395
5 Genome sequence of the endocellular bacterial symbiont of aphids Buchnera sp. APS Shuji Shigenobu, Hidemi Watanabe, Masahira Hattori et al. · Nature Open access Sep 2000 1,368
All 100 most cited papers, with filters and sorting

Where is Phytoplasmas and Hemiptera pathogens research done?

The largest centres of Phytoplasmas and Hemiptera pathogens research in 2022-now are Beijing (China), Gainesville (United States), New Delhi (India) and Paris (France). Among places with at least 20 works in it, it is an unusually large share of all research in Bartow.

Largest cities, 2022-now

  1. 1 BeijingChina 78 works
  2. 2 GainesvilleUnited States 44 works
  3. 3 New DelhiIndia 40 works
  4. 4 ParisFrance 37 works
  5. 5 Washington D.C.United States 36 works
  6. 6 GuiyangChina 35 works
  7. 7 GuangzhouChina 35 works
  8. 8 São PauloBrazil 32 works
  9. 9 ChongqingChina 26 works
  10. 10 TurinItaly 23 works

Where it is the local speciality

  1. BartowUS · 20.1 works826×
← less than its size predicts1×more →

Location quotient: how much more of its research is in Phytoplasmas and Hemiptera pathogens than the world average.

See Phytoplasmas and Hemiptera pathogens on the map

Where is the best place to study Phytoplasmas and Hemiptera pathogens?

Among universities, judged by research, University of Bari Aldo Moro, University of Florida and Southwest University score highest, combining excellence, specialisation, size, growth and international reach. Research strength is one signal when choosing where to study; it does not measure teaching.

0%10%20%30%mean 16.41%fractional works in this field (log) →share of work in the world top 10% →University of Bari A…Southwest UniversityGannan Normal Univer…University of Florida
above the meannear itbelow it

One dot per university in the first ten of the table below, at the default weights. The upper left is the interesting corner: small places doing unusually strong work.

Excellenceshare of its work in the world top 10%, 2022-now and all time averaged
40%
Specialisationhow much of its work is in this field, counted up to 10× the world share
10%
Sizeits output in this field, on a log scale
30%
Growthoutput growth, counted from -20% to +20%
10%
Internationalshare of its work with a co-author abroad
10%
Each slider sets a weight; the share it gets of the score is beside it.
#UniversityScoreTop 10%SpecialisationWorksGrowth
1University of Bari Aldo MoroItaly 68.927.4%11.5×9 +28.4%
2University of FloridaUnited States 65.39.6%17.2×43 -46.1%
3Southwest UniversityChina 60.322.6%9.0×11 +35.7%
4Gannan Normal UniversityChina 57.014.4%135.5×16 +169.3%
5South China Agricultural UniversityChina 56.813.2%21.8×18 +44.6%
6Fujian Agriculture and Forestry UniversityChina 56.618.6%21.2×11 +60.8%
7Texas A&M University SystemUnited States 50.815.1%14.3×9 +36.8%
8University of California, RiversideUnited States 49.514.2%26.9×18 -24.2%
9China Agricultural UniversityChina 44.314.9%7.7×10 +18.2%
10University of California, DavisUnited States 40.014.1%4.8×9 -31.1%

Universities only. The score blends excellence (40%), size (30%), specialisation (10%), growth (10%), international reach (10%), 2022-now; growth compares 2018-21 with 2022-25 and counts up to +20%, since a jump from a small base is mostly noise.

Every institution in Phytoplasmas and Hemiptera pathogens, country by country

Is Phytoplasmas and Hemiptera pathogens research growing?

Output in 2022-2025 was 11% higher than in 2018-2021, peaking in 2025. The fastest-growing topics are Phytoplasmas and Hemiptera pathogens.

still counting19801990200020102020
grewheldshrank

The same series as a ribbon: one cell per year, darker for more. The line above answers how much; this answers when.

Its share of all research

Growing output can still be a shrinking share: all of science grows. This is Phytoplasmas and Hemiptera pathogens as a percentage of every work published that year, 0.0089% in 2024.

still counting0.010%0.020%Phytoplasmas and Hemiptera pathogens0.012% in 202519801990200020102020

Fractional works of Phytoplasmas and Hemiptera pathogens over all fractional works that year. How the balance of science has shifted.

How much of it reaches the world top 10%

Year by year.

still counting5%10%15%Phytoplasmas and Hemiptera pathogens9.9% in 2025200020102020

Of each year's works in it, the share that reached the world's 10% most cited for their field and year. A field is the world for its own topics, so there is no other line to hold it against.

Which topics inside it are moving

Growth and decline on one axis around a shared zero. Two lists side by side hide the thing that matters: whether the growth dwarfs the decline, or the other way round.

Discussion

Ask a question or share a note about Phytoplasmas and Hemiptera pathogens. Posts are plain text and can be reported.