World's Best Scientists 2026 revealed!

D-Index & Metrics

Plant Science and Agronomy

D-Index
50
Citations
8124
World Ranking
2172
National Ranking
559

Overview

What is he best known for?

The fields of study he is best known for:

  • Botany
  • Gene
  • Genus

His primary areas of study are Botany, Biochemistry, Calcium oxalate, Pollen wall and Raphide. Harry T. Horner works mostly in the field of Botany, limiting it down to topics relating to Helianthus annuus and, in certain cases, Electron microscopic, as a part of the same area of interest. His work deals with themes such as Biophysics and Nectar, which intersect with Biochemistry.

Harry T. Horner combines subjects such as Poaceae and Sorghum bicolor with his study of Pollen wall. His study ties his expertise on Druse together with the subject of Raphide. His biological study spans a wide range of topics, including Oxalic acid, Crystal and Rubiaceae.

His most cited work include:

  • Calcium oxalate crystals in plants (652 citations)
  • Mitochondrial Aldehyde Dehydrogenase Activity Is Required for Male Fertility in Maize (200 citations)
  • Overexpression of a knotted-like homeobox gene of potato alters vegetative development by decreasing gibberellin accumulation. (140 citations)

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

Harry T. Horner mostly deals with Botany, Calcium oxalate, Sterility, Genetics and Raphide. His study focuses on the intersection of Botany and fields such as Crystal with connections in the field of Phaseoleae. His work on Weddellite and Whewellite as part of general Calcium oxalate research is frequently linked to Biochemistry, Vascular bundle and Legume, bridging the gap between disciplines.

His Biochemistry study frequently draws connections between adjacent fields such as Biophysics. His work carried out in the field of Sterility brings together such families of science as Allele, Mutant and Microspore, Stamen. Among his research on Raphide, you can see a combination of other fields of science like Idioblast, Piperaceae and Peperomia.

He most often published in these fields:

  • Botany (66.67%)
  • Calcium oxalate (18.44%)
  • Sterility (14.18%)

What were the highlights of his more recent work (between 2008-2021)?

  • Botany (66.67%)
  • Peperomia (3.55%)
  • Raphide (11.35%)

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

His primary scientific interests are in Botany, Peperomia, Raphide, Sterility and Genetics. His multidisciplinary approach integrates Botany and Reproductive success in his work. Harry T. Horner interconnects Palisade cell and Palisade in the investigation of issues within Peperomia.

Harry T. Horner combines Raphide and Crystal in his studies. His Sterility study incorporates themes from Pollen, Mutant, Gene, Locus and Gene mapping. His Genetics research incorporates themes from Tapetum and Cell biology.

Between 2008 and 2021, his most popular works were:

  • Unique calcium oxalate “duplex” and “concretion” idioblasts in leaves of tribe Naucleeae (Rubiaceae) (130 citations)
  • Formation of elongated starch granules in high-amylose maize (71 citations)
  • IRE1, a component of the unfolded protein response signaling pathway, protects pollen development in Arabidopsis from heat stress. (54 citations)

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

  • Botany
  • Gene
  • Genus

Harry T. Horner mainly focuses on Botany, Herbarium, Piperaceae, Transmission electron microscopy and Peperomia. His Botany study often links to related topics such as Concretion. Harry T. Horner has researched Herbarium in several fields, including Crystal and Piper.

His research integrates issues of Plant morphology, Reticulate, Palisade cell and Anatomy in his study of Piperaceae. His Transmission electron microscopy research spans across into areas like Sodium dodecyl sulfate, Proton NMR, Nuclear magnetic resonance spectroscopy, Chromatography and Differential scanning calorimetry. He has included themes like Parenchyma and Palisade in his Peperomia study.

Best Publications

  • Calcium oxalate crystals in plants

    Vincent R. Franceschi;Harry T. Horner

  • Mitochondrial Aldehyde Dehydrogenase Activity Is Required for Male Fertility in Maize

    Feng Liu;Xiangqin Cui;Harry T. Horner;Henry Weiner

  • Unique calcium oxalate “duplex” and “concretion” idioblasts in leaves of tribe Naucleeae (Rubiaceae)

    Nels R. Lersten;Harry T. Horner

  • Overexpression of a knotted-like homeobox gene of potato alters vegetative development by decreasing gibberellin accumulation.

    Faye M. Rosin;Jennifer K. Hart;Harry T. Horner;Peter J. Davies

  • A COMPARATIVE LIGHT- AND ELECTRON-MICROSCOPIC STUDY OF MICROSPOROGENESIS IN MALE-FERTILE AND CYTOPLASMIC MALE-STERILE SUNFLOWER (HELIANTHUS ANNUUS)

    Harry T. Horner

  • POLLEN WALL AND TAPETAL ORBICULAR WALL DEVELOPMENT IN SORGHUM BICOLOR (GRAMINEAE)

    Jon E. Christensen;Harry T. Horner;Nels R. Lersten

  • Oxalate content of soybean seeds (Glycine max: Leguminosae), soyfoods, and other edible legumes.

    Linda K. Massey;Reid G. Palmer;Harry T. Horner

  • STIGMA, STYLE, AND OBTURATOR OF ORNITHOGALUM CAUDATUM (LILIACEAE) AND THEIR FUNCTION IN THE REPRODUCTIVE PROCESS

    Varien R. Tilton;Harry T. Horner

  • THE ASSOCIATION OF DRUSE CRYSTALS WITH THE DEVELOPING STOMIUM OF CAPSICUM ANNUUM (SOLANACEAE) ANTHERS

    Harry T. Horner;Bruce L. Wagner

  • POLLEN PORE DEVELOPMENT AND ITS SPATIAL ORIENTATION DURING MICROSPOROGENESIS IN THE GRASS SORGHUM BICOLOR

    Jon E. Christensen;Harry T. Horner

  • Calcium Oxalate Crystals in Developing Seeds of Soybean

    H. Ilarslan;R. G. Palmer;Harry T. Horner

  • Mechanisms of genic male sterility

    Harry T. Horner;Reid G. Palmer

  • Quantitative determination of calcium oxalate and oxalate in developing seeds of soybean (Leguminosae)

    H. Ilarslan;R. G. Palmer;J. Imsande;Harry T. Horner

  • A comparative light and electron microscopic study of microsporogenesis in male-fertile and cytoplasmic male-sterile pepper (Capsicum annuum)

    Harry T. Horner;Milton A. Rogers

  • Calcium oxalate crystal types and trends in their distribution patterns in leaves of Prunus (Rosaceae: Prunoideae)

    N. R. Lersten;H. T. Horner

  • A major function of the tobacco floral nectary is defense against microbial attack

    Robert W. Thornburg;Clay J Carter;Ann Powell;Ron Mittler

  • Tobacco Nectaries Express a Novel NADPH Oxidase Implicated in the Defense of Floral Reproductive Tissues against Microorganisms

    Clay Carter;Rosanne Healy;Nicole M. O'Tool;S.M. Saqlan Naqvi

  • Amyloplast to chromoplast conversion in developing ornamental tobacco floral nectaries provides sugar for nectar and antioxidants for protection.

    H. T. Horner;R. A. Healy;G. Ren;D. Fritz

  • Oil bodies in leaf mesophyll cells of angiosperms: overview and a selected survey.

    Nels R. Lersten;Albert R. Czlapinski;John D. Curtis;Robert Freckmann

  • Ascorbic acid: a precursor of oxalate in crystal idioblasts of Yucca torreyi in liquid root culture

    Harry T. Horner;Albert P. Kausch;Bruce L. Wagner

  • Floral Nectary Fine Structure and Development in Glycine max L. (Fabaceae)

    Harry T. Horner;Rosaria A. Healy;Teresa Cervantes‐Martinez;Reid G. Palmer

  • DEVELOPMENT, STRUCTURE AND FUNCTION OF SECRETORY TRICHOMES IN PSYCHOTRIA BACTERIOPHILA (RUBIACEAE)

    Harry T. Horner;Nels R. Lersten

Frequent Co-Authors

Reid G. Palmer
Reid G. Palmer US Department of Agriculture
Nels R. Lersten
Nels R. Lersten Iowa State University
Randy C. Shoemaker
Randy C. Shoemaker Agricultural Research Service
Devinder Sandhu
Devinder Sandhu Agricultural Research Service
Basil J. Nikolau
Basil J. Nikolau Iowa State University
Vincent R. Franceschi
Vincent R. Franceschi Washington State University
Ikhlas A. Khan
Ikhlas A. Khan University of Mississippi
Patrick S. Schnable
Patrick S. Schnable Iowa State University
Roger P. Wise
Roger P. Wise Agricultural Research Service
Jonathan F. Wendel
Jonathan F. Wendel Iowa State University

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