Peter van Berkum

Peter van Berkum 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 Peter van Berkum sits on this spectrum.

Peter van Berkum 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 Peter van Berkum sits on this spectrum.

Best Publications

• Transfer of Rhizobium loti, Rhizobium huakuii, Rhizobium ciceri, Rhizobium mediterraneum, and Rhizobium tianshanense to Mesorhizobium gen. nov.

  B. D. W. Jarvis;P. Van Berkum;W. X. Chen;S. M. Nour

  504
  Citations

• Rhizobacterial effects on nickel extraction from soil and uptake by Alyssum murale

  RA Abou-Shanab;JS Angle;TA Delorme;RL Chaney

  455
  Citations

• Diversity of rhizobia associated with Amorpha fruticosa isolated from Chinese soils and description of Mesorhizobium amorphae sp. nov.

  E. T. Wang;E. T. Wang;P. van Berkum;X. H. Sui;D. Beyene

  256
  Citations

• Discordant Phylogenies within the rrn Loci of Rhizobia

  Peter van Berkum;Zewdu Terefework;Lars Paulin;Sini Suomalainen

  234
  Citations

• Rhizobium huautlense sp. nov., a symbiont of Sesbania herbacea that has a close phylogenetic relationship with Rhizobium galegae

  E. T. Wang;P. van Berkum;D. Beyene;X. H. Sui

  202
  Citations

• Phylogenetic Relationships among Rhizobium Species Nodulating the Common Bean (Phaseolus vulgaris L.)

  Unknown

  202
  Citations

• Evolutionary relationships among the soybean bradyrhizobia reconstructed from 16S rRNA gene and internally transcribed spacer region sequence divergence.

  Unknown

  177
  Citations

• Four unnamed species of nonsymbiotic rhizobia isolated from the rhizosphere of Lotus corniculatus

  Unknown

  174
  Citations

• Genetic diversity of rhizobial symbionts isolated from legume species within the genera Astragalus, Oxytropis, and Onobrychis

  Unknown

  166
  Citations

• Evaluation of nitrogen fixation by bacteria in association with roots of tropical grasses

  Unknown

  164
  Citations

• Phylogeny of Stemphylium spp. based on ITS and glyceraldehyde-3-phosphate dehydrogenase gene sequences.

  Marcos P. S. Câmara;Nichole R. O'Neill;Peter van Berkum

  152
  Citations

• The Aquatic Budding Bacterium Blastobacter denitrificans Is a Nitrogen-Fixing Symbiont of Aeschynomene indica

  Unknown

  144
  Citations

• Molecular Evolutionary Systematics of the Rhizobiaceae

  Unknown

  143
  Citations

• Rhizobium mongolense sp. nov. is one of three rhizobial genotypes identified which nodulate and form nitrogen-fixing symbioses with Medicago ruthenica [(L.) Ledebour]

  Unknown

  135
  Citations

• Evidence for a third uptake hydrogenase phenotype among the soybean bradyrhizobia

  Unknown

  124
  Citations

• Biodiversity of Bradyrhizobia Nodulating Lupinus spp.

  L. L. Barrera;M. E. Trujillo;M. Goodfellow;F. J. Garcia

  115
  Citations

• Genetics of nitrogen metabolism and physiological/biochemical selection for increased grain crop productivity.

  P B Cregan;P van Berkum

  108
  Citations

• Sewage Sludge and Heavy Metal Effects on Nodulation and Nitrogen Fixation of Legumes

  A. M. Ibekwe;J. S. Angle;R. L. Chaney;P. van Berkum

  107
  Citations

• Molecular phylogeny of Leptosphaeria and Phaeosphaeria.

  Marcos P. S. Câmara;Mary E. Palm;Peter van Berkum;Nichole R. O'Neill

  106
  Citations

• Conflicting phylogeographic patterns in rRNA and nifD indicate regionally restricted gene transfer in Bradyrhizobium

  Matthew A. Parker;Benedicte Lafay;Jeremy J. Burdon;Peter van Berkum

  105
  Citations