Dr. Shyam Pariyar 418x418
© Shyam Pariyar

Dr. Shyam Pariyar

INRES - Plant Nutrition
Karlrobert-Kreiten-Strasse 13
D-53115 Bonn

+49 228 73-1678

Research interests

  • System shift interactions on crop production
  • Supply - demand synchrony in nutrients management
  • Abiotic stress and stress physiology
  • Air-Pollution - Plant (health) interactions
  • Crop residues recycling, high value molecules and Bioeconomy



PhD (Dr. Agrar), University of Bonn
Plant-Environment Interactions: aerosols, ecophysiology, water relations)


M.Sc. (Agricultural Sciences and Resource Management in the Tropics and Subtropics), University of Bonn


Study of Agricultural Sciences, Tribhuwan University, Nepal

Positions held

seit 2021

Scientist, Plant Nutrition in the Tropics and Subtropics, University of Bonn


Researcher, INRES-Horticultural Sciences, University of Bonn
Horticultural production systems, Plant health management, Copper minimization strategy, Resource use efficiency and Bioeconomy


Postdoc, INRA-Rennes, France and University Bonn


Research assistant, Ministry of Forest and Soil Conservation, IUCN-Nepal, CBRD Project, Kathmandu, Nepal

Professional activities

  • Executive Board member of International Network for UV4Plants
  • Executive Board member of INRES, University of Bonn
  • Study Committee member of ARTS-Program, University of Bonn
  • Executive member of Agriculture Research Initiative for Nepal, Nepalese Diaspora, Europe

Selected publications

Islam M.A., Pariyar S., Krupnik T.J., Becker M. (2024). Changing trends in crop management practices and performance attributes of rice-based systems of coastal Bangladesh. Frontiers in Agronomy, 6:1397474. https://doi.org/10.3389/fagro.2024.1397474

Becker M., Clavero R., Khin O. M., Kong S., Maung Z. N., Men P., Pariyar S., Regalado M.J.C., Ro S., Win K.K. (2024) System shift in rice: Processes and pathways of change in rice-based production systems of Southeast Asia. Agricultural Systems, 217, 103917. https://doi.org/10.1016/j.agsy.2024.103917

Burkhardt J., Zinsmeister D., Roth-Nebelsick A., Hüging H., Pariyar S. (2023) Ambient aerosols increase stomatal transpiration and conductance of hydroponic sunflowers by extending the hydraulic system to the leaf surface. Frontiers in Plant Science, 14. https://doi.org/10.3389/fpls.2023.1275358

Becker M., Clavero R., Maung Z.N., Khin O.M., Kong S., Men P., Regalado M.J.C., Ro S., Win K.K., Pariyar S. (2023) Pathways and determinants of changing nutrient management in lowland rice-based systems of Southeast Asia. Agronomy for Sustainable Development, 43(6), 79. https://doi.org/10.1007/s13593-023-00932-6

Schmitz C., Luedeling E., Pariyar S. (2023) Synergism and phytotoxicity: The effects of tank-mix additives on the biological efficacy of Cu2+ against Venturia inaequalis and Podosphaera leucotricha. Annals of Applied Biology. 182(3), 331–342. https://doi.org/10.1111/aab.12821

Dittrich J., Brethauer C., Goncharenko L., Bührmann J., Zeisler-Diehl V., Pariyar S., Jakob F., Kurkina T., Schreiber L., Schwaneberg U., Gohlke H. (2022) Rational Design Yields Molecular Insights on Leaf-Binding of Anchor Peptides. ACS Applied Materials & Interfaces, 14(25), 28412–28426. https://doi.org/10.1021/acsami.2c00648

Magano D.A., Guedes J.V.C., Pariyar S., Burkhardt J., Ricardo I. (2020) Influence of K salts in enhanced herbicide activity. Communications in Plant Sciences 10, 2020, 71-79. https://dx.doi.org/10.26814/cps2020010

Zhang L., Haddouti El-M., Beckert H., Biehl R., Pariyar S., et al. (2020) Investigation of Cytotoxicity, Oxidative Stress, and Inflammatory Responses of Tantalum Nanoparticles in THP-1-Derived Macrophages. Mediators of Inflammation. https://doi.org/10.1155/2020/3824593

Pariyar S., Jakob F., Apitius L., Schwaneberg U., Hunsche M., Noga G. (2020) Anchor peptides as innovative adjuvants reduce rain wash-off, but do not impair photosynthetic activity or cause oxidative damage in apple leaves. ActaHort. Doi: 10.17660/ActaHortic.2020.1292.23

Schwinges P., Pariyar S., Jakob F., Rahimi M., Apitius L., Hunsche M., Schmitt L., Noga G., Langenbach C., Schwaneberg U., Conrath U. (2019) Green Chem. 2019, 21, 2316-2325. https://doi.org/10.1039/C9GC00457B

Pariyar S., Noga G. (2018) Rainfall does not impair particulate matter accumulation on peri-urban field crops, but improves photosynthetic activity at UV exposure. Environmental and experimental botany 156, 288-297. https://doi.org/10.1016/j.envexpbot.2018.09.019

Räsch A., Hunsche M., Mail M., Burkhardt J., Noga G., Pariyar S. (2018) Agricultural adjuvants may impair leaf transpiration and photosynthetic activity. Plant physiology and biochemistry. 132, 229-237. https://doi.org/10.1016/j.plaphy.2018.08.042

Burkhardt J., Zinsmeister D., Grantz D.A., Vidic S., Sutton M.A., Hunsche M., Pariyar S. (2018) Camouflaged as degraded wax: hygroscopic aerosols contribute to leaf desiccation, tree mortality, and forest decline. Environmental Research Letters 13(8), 085001. https://doi.org/10.1088/1748-9326/aad346

Pariyar S., Chang S.-C., Zinsmeister D., Zhou H., Grantz D.A., Hunsche M., Burkhardt J. (2017) Xeromorphic traits help to maintain photosynthesis in the perhumid climate of a Taiwanese cloud forest. Oecologia. 184, 609-621. https://doi.org/10.1007/s00442-017-3894-4

Burkhardt J., Pariyar S. (2014) Particulate pollutants are capable to ‘degrade’epicuticular waxes and to decrease the drought tolerance of Scots pine (Pinus sylvestris L.). Environmental pollution 184, 659-667. https://doi.org/10.1016/j.envpol.2013.04.041

Pariyar S., Eichert T., Goldbach H., Hunsche M., Burkhardt J. (2013) The exclusion of ambient aerosols changes the water relations of sunflower (Helianthus annuus) and bean (Vicia faba) plants. Environmental and experimental botany 88, 43-52. https://doi.org/10.1016/j.envexpbot.2011.12.031

Burkhardt J., Basi S., Pariyar S., Hunsche M. (2012) Stomatal penetration by aqueous solutions–an update involving leaf surface particles. New Phytologist 196 (3), 774-787. https://doi.org/10.1111/j.1469-8137.2012.04307

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