Otmar Spring

Otmar Spring 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 Otmar Spring sits on this spectrum.

Otmar Spring 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 Otmar Spring sits on this spectrum.

Best Publications

• Biochemical conservation and evolution of germacrene A oxidase in Asteraceae.

  Don Trinh Nguyen;Jens Christian Göpfert;Nobuhiro Ikezawa;Gillian MacNevin

  156
  Citations

• Genome analyses of the sunflower pathogen Plasmopara halstedii provide insights into effector evolution in downy mildews and Phytophthora

  Rahul Sharma;Xiaojuan Xia;Liliana M. Cano;Liliana M. Cano;Edouard Evangelisti

  152
  Citations

• Lettuce Costunolide Synthase (CYP71BL2) and Its Homolog (CYP71BL1) from Sunflower Catalyze Distinct Regio- and Stereoselective Hydroxylations in Sesquiterpene Lactone Metabolism

  Nobuhiro Ikezawa;Jens Christian Göpfert;Don Trinh Nguyen;Soo-Un Kim

  142
  Citations

• Identification, functional characterization and developmental regulation of sesquiterpene synthases from sunflower capitate glandular trichomes

  Jens C Göpfert;Gillian MacNevin;Dae-Kyun Ro;Otmar Spring

  108
  Citations

• New sesquiterpene lactones from sunflower root exudate as germination stimulants for Orobanche cumana.

  Frank M. Raupp;Otmar Spring

  102
  Citations

• Constitutive expression of a grapevine stilbene synthase gene in transgenic hop (Humulus lupulus L.) yields resveratrol and its derivatives in substantial quantities.

  Axel Schwekendiek;Otmar Spring;Arne Heyerick;Benjamin Pickel

  102
  Citations

• Annuithrin, a new biologically active germacranolide from Helianthus annuus

  Otmar Spring;Klaus Albert;Waltraud Gradmann

  98
  Citations

• Cytological Development and Sesquiterpene Lactone Secretion in Capitate Glandular Trichomes of Sunflower

  J. C. Göpfert;N. Heil;J. Conrad;O. Spring

  87
  Citations

• revision of Albugo (Chromista, Peronosporomycetes)

  Marco Thines;Otmar Spring

  86
  Citations

• Chemotaxonomy based on metabolites from glandular trichomes

  O Spring

  84
  Citations

• Three biologically active heliangolides from Helianthus annuus

  Otmar Spring;Klaus Albert;Achim Hager

  79
  Citations

• Intraspecific Relationship of Plasmopara halstedii Isolates Differing in Pathogenicity and Geographic Origin Based on ITS Sequence Data

  Otmar Spring;Mark Bachofer;Marco Thines;Alexandra Riethmüller

  74
  Citations

• Sesquiterpenes from noncapitate glandular trichomes of Helianthus annuus

  Otmar Spring;Ulrich Rodon;Francisco A. Macias;Francisco A. Macias

  73
  Citations

• Sesquiterpene lactone chemistry of Zaluzania grayana from on-line LC-NMR measurements

  Otmar Spring;Holger Buschmann;Bernhard Vogler;Edward E. Schilling

  72
  Citations

• Phylogenetic relationships of graminicolous downy mildews based on cox2 sequence data

  Marco Thines;Markus Göker;Sabine Telle;Malcolm Ryley

  72
  Citations

• Sesquiterpene lactones of the capitate glandular trichomes of Helianthus annuus

  Otmar Spring;Thomas Benz;Martin Ilg

  66
  Citations

• Chemosystematic Investigation of the Annual Species of Helianthus (Asteraceae)

  Otmar Spring;Edward E. Schilling;Edward E. Schilling

  62
  Citations

• Sesquiterpene Lactones in Glandular Trichomes of Sunflower Leaves

  Otmar Spring;Uta Bienert;Volker Klemt

  60
  Citations

• Capitate Glandular Hairs from Sunflower Leaves: Development, Distribution and Sesquiterpene Lactone Content

  Otmar Spring;Uta Bienert

  57
  Citations

• Genome Sequence and Architecture of the Tobacco Downy Mildew Pathogen Peronospora tabacina.

  Lida Derevnina;Sebastian Chin-Wo-Reyes;Frank Martin;Kelsey Wood

  54
  Citations

• Microsampling: an alternative approach using sesquiterpene lactones for systematics

  Otmar Spring

  52
  Citations

• Biological Characteristics and Assessment of Virulence Diversity in Pathosystems of Economically Important Biotrophic Oomycetes

  Otmar Spring;Javier Gomez-Zeledon;Denita Hadziabdic;Robert N. Trigiano

  52
  Citations

• Linear glandular trichomes of Helianthus (Asteraceae): morphology, localization, metabolite activity and occurrence

  Anna-Katharina Aschenbrenner;Silke Horakh;Otmar Spring

  49
  Citations

• Advances in sunflower downy mildew research

  Ferenc Viranyi;Otmar Spring

  40
  Citations