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Topic · Plant Science

Allelopathy and phytotoxic interactions

Allelopathy and phytotoxic interactions is a research topic within Plant Science. Science Explorer counts 18k research works in it since 1950. 10.0% of them reached the world's top 10% most cited for their field and year.

This cluster of papers explores the role of allelopathy, focusing on the interactions between plants mediated by allelochemicals, root exudates, and natural products. It covers topics such as weed control, ecological impacts of invasive plants, herbicidal potential of natural compounds, and the physiological and biochemical mechanisms underlying allelopathic interactions.

  • Allelochemicals
  • Root Exudates
  • Natural Products
  • Weed Control
  • Rhizosphere
  • Invasive Plants
  • Herbicides
  • Phytotoxicity
  • Crop Protection
  • Ecological Interactions
Research works
18k
fractional, since 1950
In the world top 10%
1.8k
per year above
Top-10% rate
10.0%
share of its works in the world top 10%
Growth, 2018-21 → 2022-25
+17%
the tick is no change
Largest producer
China
31% of the 10 largest, 2022-now
Allelopathy and phytotoxic interactions

Which countries lead Allelopathy and phytotoxic interactions research?

By volume, China and India publish the most (663 and 441 works in 2022-now).

By volume, 2022-now

  1. 1 China 663 works
  2. 2 India 441 works
  3. 3 Brazil 238 works
  4. 4 United States 230 works
  5. 5 Iran 133 works
  6. 6 Türkiye 121 works
  7. 7 Pakistan 90 works
  8. 8 Egypt 81 works
  9. 9 Italy 75 works
  10. 10 Russia 64 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: 31.1%India: 20.6%Brazil: 11.1%United States: 10.8%6 others listed: 26.4%31%largest
China663 · 31.1%India441 · 20.6%Brazil238 · 11.1%United States230 · 10.8%6 others listed563 · 26.4%

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

Which institutions lead Allelopathy and phytotoxic interactions research?

By volume in 2022-now, Chinese Academy of Agricultural Sciences publishes the most Allelopathy and phytotoxic interactions research, followed by Chinese Academy of Sciences and Indian Council of Agricultural Research.

By volume, 2022-now

  1. 1 Chinese Academy of Agricultural SciencesChina 71 works
  2. 2 Chinese Academy of SciencesChina 35 works
  3. 3 Indian Council of Agricultural ResearchIndia 33 works
  4. 4 Russian Academy of SciencesRussia 28 works
  5. 5 Islamic Azad University, TehranIran 18 works
  6. 6 National Research CentreEgypt 17 works
  7. 7 Consejo Superior de Investigaciones CientíficasSpain 16 works
  8. 8 Council of Scientific and Industrial ResearchIndia 16 works
  9. 9 United States Department of AgricultureUnited States 15 works
  10. 10 Tamil Nadu Agricultural UniversityIndia 14 works

Who are the leading researchers in Allelopathy and phytotoxic interactions?

The most-cited researchers publishing on Allelopathy and phytotoxic interactions include Ejaz Ahmad Khan, F. Stuart Chapin and David M. Pereira.

  1. 1 Ejaz Ahmad Khan United States 190k citations
  2. 2 F. Stuart Chapin United States 185k citations
  3. 3 David M. Pereira Portugal 183k citations
  4. 4 Josep Peñuelas Spain 160k 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 Allelopathy and phytotoxic interactions?

The most cited paper in Allelopathy and phytotoxic interactions is "Reactive Oxygen Species, Oxidative Damage, and Antioxidative Defense Mechanism in Plants under Stressful Conditions" (Pallavi Sharma, Ambuj Bhushan Jha, R. S. Dubey et al., 2012), with 5,528 citations. Next come "Seed dormancy and the control of germination" (3,221) and "Plant Apparency and Chemical Defense" (2,360).

Most cited papers
#PaperReleasedCitations
1 Reactive Oxygen Species, Oxidative Damage, and Antioxidative Defense Mechanism in Plants under Stressful Conditions Pallavi Sharma, Ambuj Bhushan Jha, R. S. Dubey et al. · Journal of Botany Open access 24 Apr 2012 5,528
2 Seed dormancy and the control of germination William E. Finch‐Savage, Gerhard Leubner‐Metzger · New Phytologist 14 Jul 2006 3,221
3 Plant Apparency and Chemical Defense Paul Feeny Book chapter 1976 2,360
4 Essential Oils in Food Preservation: Mode of Action, Synergies, and Interactions with Food Matrix Components Morten Hyldgaard, Tina Mygind, Rikke Louise Meyer · Frontiers in Microbiology Open access 2012 2,176
5 A classification system for seed dormancy Jerry M. Baskin, Carol Caudle Baskin · Seed Science Research Open access Mar 2004 2,021
All 100 most cited papers, with filters and sorting

Where is Allelopathy and phytotoxic interactions research done?

The largest centres of Allelopathy and phytotoxic interactions research in 2022-now are Beijing (China), Tehran (Iran), Kunming (China) and Giza (Egypt).

Largest cities, 2022-now

  1. 1 BeijingChina 110 works
  2. 2 TehranIran 44 works
  3. 3 KunmingChina 34 works
  4. 4 GizaEgypt 34 works
  5. 5 NanjingChina 31 works
  6. 6 New DelhiIndia 27 works
  7. 7 São PauloBrazil 24 works
  8. 8 MoscowRussia 23 works
  9. 9 GuiyangChina 23 works
  10. 10 LanzhouChina 22 works
See Allelopathy and phytotoxic interactions on the map

Where is the best place to study Allelopathy and phytotoxic interactions?

Among universities, judged by research, Kagawa University, Nanjing Agricultural University and King Saud 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%20%40%mean 21.38%fractional works in this field (log) →share of work in the world top 10% →Kagawa UniversityGuizhou UniversityKing Saud UniversityNanjing Agricultural…
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
1Kagawa UniversityJapan 67.140.9%50.8×10 +8.9%
2Nanjing Agricultural UniversityChina 65.017.3%12.6×14 +46.7%
3King Saud UniversitySaudi Arabia 64.419.5%4.1×12 +28.0%
4Guizhou UniversityChina 61.221.0%9.1×14 +291.9%
5Aligarh Muslim UniversityIndia 55.720.7%12.3×11 -5.7%
6Northeast Agricultural UniversityChina 53.036.3%11.1×8 +13.8%
7University of Agriculture FaisalabadPakistan 51.911.4%23.2×11 -4.7%
8Yunnan Agricultural UniversityChina 51.515.7%37.1×12 +148.7%
9Yangzhou UniversityChina 49.411.4%8.1×13 +143.0%
10Banaras Hindu UniversityIndia 49.219.6%4.6×10 +35.1%

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 Allelopathy and phytotoxic interactions, country by country

Is Allelopathy and phytotoxic interactions research growing?

Output in 2022-2025 was 17% higher than in 2018-2021, peaking in 2025. The fastest-growing topics are Allelopathy and phytotoxic interactions.

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 Allelopathy and phytotoxic interactions as a percentage of every work published that year, 0.015% in 2024.

still counting0.010%0.020%0.030%Allelopathy and phytotoxic interactions0.015% in 202519801990200020102020

Fractional works of Allelopathy and phytotoxic interactions 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%Allelopathy and phytotoxic interactions10.2% 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.

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