Ralph L. Nicholson

Ralph L. Nicholson publication distribution in Plant Science and Agronomy in 2026

The chart shows the distribution of publications by all Research.com ranked scientists in the field of Plant Science and Agronomy in 2026. The highlighted bar marks where Ralph L. Nicholson sits on this spectrum.

Ralph L. Nicholson D-index placement in Plant Science and Agronomy in 2026

The chart shows the D-index (discipline H-index) distribution of Plant Science and Agronomy scientists ranked by Research.com in 2026. The highlighted bar marks where Ralph L. Nicholson sits on this spectrum.

Research.com Recognitions

• 1993 - Fellow of the American Phytopathological Society

Best Publications

• Phenolic Compounds and Their Role in Disease Resistance

  R. L. Nicholson;R. Hammerschmidt

  1909
  Citations

• Isolation and Identification of Phenolic Compounds

  Wilfred Vermerris;Ralph Nicholson

  652
  Citations

• Phenylalanine ammonia-lyase and hydroxycinnamate: CoA ligase in maize mesocotyls inoculated with Helminthosporium maydis or Helminthosporium carbonum

  D.P. Dickerson;S.F. Pascholati;Ann E. Hagerman;L.G. Butler

  509
  Citations

• Synthesis of Phytoalexins in Sorghum as a Site-Specific Response to Fungal Ingress

  Unknown

  471
  Citations

• Adhesion Pad Formation and the Involvement of Cutinase and Esterases in the Attachment of Uredospores to the Host Cuticle.

  Holger Deising;Ralph L. Nicholson;Marc Haug;Richard J. Howard

  257
  Citations

• Adhesion of Fungi to the Plant Surface

  Ralph L. Nicholson;Lynn Epstein

  245
  Citations

• The Biology of Corn Anthracnose: Knowledge to Exploit for Improved Management.

  Gary C. Bergstrom;Ralph L. Nicholson

  224
  Citations

• Reduction of light-induced anthocyanin accumulation in inoculated sorghum mesocotyls : Implications for a compensatory role in the defense response

  Unknown

  210
  Citations

• Accumulation of 3-deoxyanthocyanidin phytoalexins and resistance to Colletotrichum sublineolum in sorghum

  Unknown

  206
  Citations

• Phytoalexin synthesis by the sorghum mesocotyl in response to infection by pathogenic and nonpathogenic fungi

  Ralph L. Nicholson;Sharon S. Kollipara;Jeffrey R. Vincent;Philip C. Lyons

  188
  Citations

• Mycosporine-alanine: A self-inhibitor of germination from the conidial mucilage ofColletotrichum graminicola

  Unknown

  146
  Citations

• cDNA cloning of a sorghum pathogenesis-related protein (PR-10) and differential expression of defense-related genes following inoculation with Cochliobolus heterostrophus or Colletotrichum sublineolum.

  Unknown

  146
  Citations

• A Stilbene Synthase Gene (SbSTS1) Is Involved in Host and Nonhost Defense Responses in Sorghum

  Christine K.Y. Yu;Karin Springob;Jürgen Schmidt;Ralph L. Nicholson

  141
  Citations

• Preparation of the infection court by Erysiphe graminis: Degradation of the host cuticle

  Hitoshi Kunoh;Ralph L. Nicholson;Hirofumi Yosioka;Naoto Yamaoka

  136
  Citations

• Families of Phenolic Compounds and Means of Classification

  Wilfred Vermerris;Ralph Nicholson

  136
  Citations

• Accumulation of sorghum phytoalexins induced by Colletotrichum graminicola at the infection site

  Beth A. Snyder;Breno Leite;John Hipskind;Larry G. Butler

  130
  Citations

• Preparation of the infection court by Erysiphe graminis f. sp. hordei : cutinase is a component of the conidial exudate

  Sérgio F. Pascholati;Hirofumi Yoshioka;Hitoshi Kunoh;Ralph L. Nicholson

  127
  Citations

• Preparation of the infection court by Erysiphe graminis: II. Release of esterase enzyme from conidia in response to a contact stimulus.

  Ralph L. Nicholson;Hirofumi Yoshioka;Naoto Yamaoka;Hitoshi Kunoh

  124
  Citations

• A survey of plant defense responses to pathogens.

  R. Hammerschmidt;R. L. Nicholson;A. A. Agrawal;S. Tuzun

  121
  Citations

• First touch: An immediate response to surface recognition in conidia of Blumeria graminis

  Kirsten A. Nielsen;Ralph L. Nicholson;Tim L.W. Carver;Hitoshi Kunoh

  121
  Citations