Oliver Knopf

ORCID: 0000-0003-3242-1531
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About
Contact & Profiles
Research Areas
  • Plant responses to elevated CO2
  • Atmospheric chemistry and aerosols
  • Plant Water Relations and Carbon Dynamics
  • Allelopathy and phytotoxic interactions
  • Rice Cultivation and Yield Improvement
  • Biochemical Acid Research Studies
  • Light effects on plants
  • Natural Compound Pharmacology Studies
  • Plant Pathogens and Resistance
  • Climate change impacts on agriculture
  • Silicon Effects in Agriculture

Forschungszentrum Jülich
2021-2024

Darmstadt University of Applied Sciences
1979

In the context of climate change and global sustainable development goals, future wheat cultivation has to master various challenges at a time, including rising atmospheric carbon dioxide concentration ([CO 2 ]). To investigate growth photosynthesis dynamics under effects ambient (~434 ppm) elevated [CO ] (~622 ppm), Free-Air CO Enrichment (FACE) facility was combined with an automated phenotyping platform array sensors. Ten modern winter cultivars ( Triticum aestivum L.) were monitored over...

10.3389/fpls.2023.1304751 article EN cc-by Frontiers in Plant Science 2024-01-08

Specific aspects of plant cultivation require tests under fully controlled environmental conditions with restricted energy supply, such as orbit-based space laboratories and low-light conditions. For these growing conditions, super dwarf plants have been developed model crops, a gibberellin- deficient Super Dwarf Rice genotype was proposed crop for flight experiments. We tested this in climate chamber experiment different illumination nitrogen supply levels to assess its suitability...

10.1016/j.rsci.2021.01.007 article EN cc-by-nc-nd Rice Science 2021-02-21

Abstract Parameters of Crassulacean Acid Metabolism (carbon isotope composition [δ 13 C values], diurnal acid cycles) were studied together with properties phosphoenolpyruvate carboxylases (PEP‐C) in eight species the genus Sedum . The δ values indicate a considerable variability CAM capacity among investigated. spectra organic acids similar all species. Malate, citrate, and isocitrate main components fraction. Quinic occurred only during light period. Molecular weights PEP‐C range 160,000...

10.1111/j.1365-3040.1979.tb00776.x article EN Plant Cell & Environment 1979-03-01
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