Plant and Soil

, Volume 57, Issue 2–3, pp 481–485 | Cite as

Nitrate reductase activity in corn seedlings as influenced byArthrobacter sp.

  • E. Galli
  • A. Grappelli
  • U. Tomati
Short Communications


Nitrate reductase activity has been assayed in corn seedlings grown in a nutrient solution containing different concentrations of nitrate and inoculated withArthrobacter sp. The enzymatic activity was greatly enhanced especially at the levels of NO3-ions suboptimal for the maximum induction. The ability of synthetic phytohormones (IAA, IPA and GA3) in inducting nitrate reductase activity has been also texted.

Key words

Arthrobacter sp. Corn seedlings GA3 IAA IPA Nitrate Nitrate reductase activity Phytohormones 


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Copyright information

© Martinus Nijhoff Publishers 1980

Authors and Affiliations

  • E. Galli
    • 1
  • A. Grappelli
    • 1
  • U. Tomati
    • 1
  1. 1.Radiobiochemistry and Plant Ecophysiology Institute, C.N.R.Area della Ricerca di Roma

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