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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. 22.1% 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%
2.6k
per year above
Top-10% rate
22.1%
share of its works in the world top 10%
Growth, 2013–17 → 2018–22
+25%
the tick is no change

Which countries lead Phytoplasmas and Hemiptera pathogens research?

By volume, the United States and China publish the most (365 and 351 works in 2022–2025).

By volume, 2022–2025

  1. 1 United States 365 works
  2. 2 China 351 works
  3. 3 India 214 works
  4. 4 Brazil 130 works
  5. 5 Italy 108 works
  6. 6 France 75 works
  7. 7 Spain 51 works
  8. 8 Mexico 48 works
  9. 9 United Kingdom 45 works
  10. 10 Japan 44 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.

United States: 25.5%China: 24.6%India: 14.9%Brazil: 9.1%6 others listed: 25.9%26%largest
United States365 · 25.5%China351 · 24.6%India214 · 14.9%Brazil130 · 9.1%6 others listed370 · 25.9%

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

Which institutions lead Phytoplasmas and Hemiptera pathogens research?

By volume in 2022–2025, University of Florida publishes the most Phytoplasmas and Hemiptera pathogens research, followed by Guizhou University and Florida Department of Citrus.

By volume, 2022–2025

  1. 1 University of FloridaUnited States 38 works
  2. 2 Guizhou UniversityChina 19 works
  3. 3 Florida Department of CitrusUnited States 17 works
  4. 4 Zoological InstituteRussia 17 works
  5. 5 Indian Agricultural Research InstituteIndia 16 works
  6. 6 University of California, RiversideUnited States 15 works
  7. 7 South China Agricultural UniversityChina 14 works
  8. 8 Gannan Normal UniversityChina 13 works
  9. 9 Agricultural Research ServiceUnited States 13 works
  10. 10 Universidade Federal do Rio GrandeBrazil 12 works

Where is Phytoplasmas and Hemiptera pathogens research done?

The largest centres of Phytoplasmas and Hemiptera pathogens research in 2022–2025 are Beijing (China), Gainesville (United States), New Delhi (India) and Paris (France).

Largest cities, 2022–2025

  1. 1 Beijing China 59 works
  2. 2 Gainesville United States 39 works
  3. 3 New Delhi India 32 works
  4. 4 Paris France 32 works
  5. 5 Guiyang China 31 works
  6. 6 Washington D.C. United States 29 works
  7. 7 Guangzhou China 29 works
  8. 8 São Paulo Brazil 24 works
  9. 9 Chongqing China 20 works
  10. 10 Turin Italy 19 works
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 Florida, South China Agricultural University and University of California, Riverside 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%20%40%mean 19.89%fractional works in this node (log) →share in the world top 10% →University of Florida: 38, 23.5%South China Agricultural University: 14, 29.1%University of California, Riverside: 15, 27.0%Southwest University: 9, 37.9%Gannan Normal University: 13, 21.7%Northwest A&F University: 8, 21.9%Guizhou University: 19, 3.9%Universidade Federal do Rio Grande: 12, 0.0%University of Bologna: 8, 10.7%Universidade de São Paulo: 10, 23.2%Southwest UniversitySouth China Agricult…University of Califo…University of Florida
above the meannear itbelow it

One dot per university in the table below. The upper left is the interesting corner: small places doing unusually strong work.

#UniversityScoreTop 10%SpecialisationWorksGrowth
1 University of FloridaUnited States 74.223.5%18.0×38 +78.4%
2 South China Agricultural UniversityChina 68.629.1%19.8×14 +150.7%
3 University of California, RiversideUnited States 58.327.0%26.0×15 -52.5%
4 Southwest UniversityChina 54.937.9%8.0×9 +25.3%
5 Gannan Normal UniversityChina 54.421.7%125.2×13 —
6 Northwest A&F UniversityChina 46.021.9%10.0×8 -28.8%
7 Guizhou UniversityChina 40.03.9%17.5×19 -47.1%
8 Universidade Federal do Rio GrandeBrazil 39.00.0%40.2×12 —
9 University of BolognaItaly 36.210.7%4.9×8 +206.8%
10 Universidade de São PauloBrazil 31.123.2%2.9×10 +35.5%

Universities only. Score blends excellence (30%), specialisation (25%), size (20%), growth (15%) and international reach (10%), 2015–2022; growth compares 2010–14 with 2015–19.

Is Phytoplasmas and Hemiptera pathogens research growing?

Output in 2018–2022 was 25% higher than in 2013–2017, peaking in 2025. The fastest-growing topics are Phytoplasmas and Hemiptera pathogens.

19801990200020102020
grewheldshrank

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

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.