World's Best Scientists 2026 revealed!

D-Index & Metrics

Plant Science and Agronomy

D-Index
67
Citations
12988
World Ranking
848
National Ranking
230

Overview

What is he best known for?

The fields of study he is best known for:

  • Botany
  • Carbon dioxide
  • Ecology

His primary areas of investigation include Carbon dioxide, Botany, Photosynthesis, Agronomy and Horticulture. His research in Carbon dioxide intersects with topics in Environmental engineering, Pollutant, Climate change, Plant growth and Environmental chemistry. The concepts of his Botany study are interwoven with issues in Biomass, Carbon dioxide in Earth's atmosphere, Carbohydrate and Animal science.

His studies in Photosynthesis integrate themes in fields like Acclimatization, Poaceae and Atmospheric sciences. His Agronomy research includes elements of Canopy and Pollination. His study in Horticulture is interdisciplinary in nature, drawing from both Growing season and Starch.

His most cited work include:

  • Species, ecotype and cultivar differences in spikelet fertility and harvest index of rice in response to high temperature stress (489 citations)
  • Plant Responses to Rising Carbon Dioxide and Potential Interactions with Air Pollutants (302 citations)
  • Response of Soybean to Air Temperature and Carbon Dioxide Concentration (201 citations)

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

His primary areas of study are Carbon dioxide, Agronomy, Photosynthesis, Botany and Horticulture. His Carbon dioxide study combines topics in areas such as Panicle, Ecophysiology, Poaceae and Animal science. His study focuses on the intersection of Agronomy and fields such as Evapotranspiration with connections in the field of Irrigation.

His Photosynthesis study integrates concerns from other disciplines, such as Acclimatization and Plant physiology. His work carried out in the field of Botany brings together such families of science as Carbohydrate and Nitrogen. He works mostly in the field of Horticulture, limiting it down to topics relating to Sucrose and, in certain cases, Starch, as a part of the same area of interest.

He most often published in these fields:

  • Carbon dioxide (55.73%)
  • Agronomy (56.49%)
  • Photosynthesis (51.15%)

What were the highlights of his more recent work (between 2007-2020)?

  • Agronomy (56.49%)
  • Horticulture (34.35%)
  • Carbon dioxide (55.73%)

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

Leon Hartwell Allen mainly investigates Agronomy, Horticulture, Carbon dioxide, Photosynthesis and Cultivar. Leon Hartwell Allen combines subjects such as Atmospheric sciences and Global change with his study of Agronomy. His work in Carbon dioxide covers topics such as Germination which are related to areas like Poaceae, Anther dehiscence and Pollen.

His Photosynthesis research is multidisciplinary, incorporating elements of Biomass and Yield. His study on Cultivar also encompasses disciplines like

  • Main stem most often made with reference to Dry weight,
  • Soil organic matter which connect with Soil fertility and Carbon dioxide in Earth's atmosphere,
  • Phaseolus that connect with fields like Seedling, Raffinose, Dry matter and Sporophyte,
  • Plant stem that connect with fields like Animal science. In his study, Drought tolerance is strongly linked to Transpiration, which falls under the umbrella field of Stomatal conductance.

Between 2007 and 2020, his most popular works were:

  • Elevated CO2 increases water use efficiency by sustaining photosynthesis of water-limited maize and sorghum (86 citations)
  • Growth at elevated CO2 delays the adverse effects of drought stress on leaf photosynthesis of the C4 sugarcane. (81 citations)
  • Growth at elevated CO2 delays the adverse effects of drought stress on leaf photosynthesis of the C4 sugarcane. (81 citations)

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

  • Botany
  • Ecology
  • Carbon dioxide

His primary scientific interests are in Agronomy, Sucrose, Stomatal conductance, Photosynthesis and Horticulture. His Agronomy research includes themes of Global warming and Agricultural engineering. His research in Sucrose intersects with topics in Stamen, Starch and Sweet sorghum.

His Stomatal conductance research integrates issues from Irrigation, Saccharum officinarum, Sorghum, Plant physiology and Transpiration. Leon Hartwell Allen has researched Transpiration in several fields, including Sowing, Canopy, Phosphoenolpyruvate carboxylase, Water-use efficiency and RuBisCO. His Horticulture study integrates concerns from other disciplines, such as Salicylic acid, Jasmonic acid, Mycotoxin and Crop.

Best Publications

  • Species, ecotype and cultivar differences in spikelet fertility and harvest index of rice in response to high temperature stress

    P.V.V. Prasad;K.J. Boote;L.H. Allen;J.E. Sheehy

  • Plant Responses to Rising Carbon Dioxide and Potential Interactions with Air Pollutants

    L. H. Allen

  • A dynamic tomato growth and yield model (TOMGRO)

    J.W. Jones;E. Dayan;L.H. Allen;H. van Keulen

  • Effects of elevated temperature and carbon dioxide on seed-set and yield of kidney bean (Phaseolus vulgaris L.)

    P. V. Vara Prasad;Kenneth J. Boote;L. Hartwell Allen;Jean M. G. Thomas

  • Response of Soybean to Air Temperature and Carbon Dioxide Concentration

    J. T. Baker;L. H. Allen;K. J. Boote;P. Jones

  • Elevated Temperature and Carbon Dioxide Effects on Soybean Seed Composition and Transcript Abundance

    J. M. G. Thomas;K. J. Boote;L. H. Allen;M. Gallo-Meagher

  • Effects of CO2 Concentration on Rubisco Activity, Amount, and Photosynthesis in Soybean Leaves

    William J. Campbell;L. H. Allen;George Bowes

  • Growth and yield responses of rice to carbon dioxide concentration

    J. T. Baker;L. H. Allen;K. J. Boote

  • Response of vegetation to rising carbon dioxide: Photosynthesis, biomass, and seed yield of soybean

    L. H. Allen;K. J. Boote;J. W. Jones;P. H. Jones

  • Effects of elevated CO2 and temperature on photosynthesis and Rubisco in rice and soybean

    J. C. V. Vu;J. C. V. Vu;L. H. Allen;L. H. Allen;K. J. Boote;G. Bowes

  • Acclimation of rice to changing atmospheric carbon dioxide concentration

    A. J. Rowland‐Bamford;J. T. Baker;L. H. Allen;L. H. Allen;G. Bowes

  • Temperature Effects on Rice at Elevated CO2 Concentration

    J. T. Baker;L. H. Allen;K. J. Boote

  • Photosynthesis under field conditions

    C. S. Yocum;L. H. Allen;Edgar R. Lemon

  • Effects of Light and Elevated Atmospheric CO2 on the Ribulose Bisphosphate Carboxylase Activity and Ribulose Bisphosphate Level of Soybean Leaves

    C. V. Vu;L. H. Allen;George Bowes

  • Carbon sequestration in agricultural lands of the United States

    J. A. Morgan;R. F. Follett;L. H. Allen;S. del Grosso

  • Contrasting crop species responses to CO2 and temperature: rice, soybean and citrus

    Unknown

  • Elevated Temperature and CO2 Impacts on Pollination, Reproductive Growth, and Yield of Several Globally Important Crops

    Kenneth J. Boote;Leon H. Allen;Pagadala V. V. Prasad;Jeffery T. Baker

  • Soybean Canopy Growth, Photosynthesis, and Transpiration Responses to Whole-Season Carbon Dioxide Enrichment1

    Pierce Jones;L. H. Allen;J. W. Jones;K. J. Boote

  • Accumulation of terpenoid phytoalexins in maize roots is associated with drought tolerance.

    Martha M. Vaughan;Shawn Christensen;Eric A. Schmelz;Alisa Huffaker

  • Elevated CO2 increases water use efficiency by sustaining photosynthesis of water-limited maize and sorghum

    Leon Hartwell Allen;Vijaya Gopal Kakani;Joseph C.V. Vu;Joseph C.V. Vu;Kenneth J. Boote

  • Rice Photosynthesis and Evapotranspiration in Subambient, Ambient, and Superambient Carbon Dioxide Concentrations

    J. T. Baker;L. H. Allen;K. J. Boote;P. Jones

  • Leaf ultrastructure, carbohydrates and protein of soybeans grown under CO2 enrichment

    Joseph C.V. Vu;Leon H. Allen;George Bowes

  • Carbon Dioxide and Temperature Effects on Evapotranspiration and Water Use Efficiency of Soybean

    L. H. Allen;Deyun Pan;K. J. Boote;N. B. Pickering

  • Response of Soybean Canopy Photosynthesis to CO2 Concentration, Light, and Temperature

    William J. Campbell;L. H. Allen;George Bowes

  • The effects of climate change associated abiotic stresses on maize phytochemical defenses

    Martha M. Vaughan;Anna Block;Shawn A. Christensen;Leon Hartwell Allen

  • Response of rice to carbon dioxide and temperature

    J.T. Baker;L.H. Allen;K.J. Boote

Frequent Co-Authors

Kenneth J. Boote
Kenneth J. Boote University of Florida
Joseph C.V. Vu
Joseph C.V. Vu Agricultural Research Service
James W. Jones
James W. Jones University of Florida
George Bowes
George Bowes University of Florida
Eric A. Schmelz
Eric A. Schmelz University of California, San Diego
Peter E. A. Teal
Peter E. A. Teal United States Department of Agriculture
Hans T. Alborn
Hans T. Alborn United States Department of Agriculture
Vijaya Gopal Kakani
Vijaya Gopal Kakani University of Florida
Bruce A. Kimball
Bruce A. Kimball Agricultural Research Service
P. V. Vara Prasad
P. V. Vara Prasad Kansas State University

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