Journal of Chemical Ecology

, Volume 15, Issue 10, pp 2425–2434 | Cite as

Short-term induction of alkaloid production in lupines Differences between N2-fixing and nitrogen-limited plants

  • Nelson D. Johnson
  • Lisa P. Rigney
  • Barbara L. Bentley


We used N2-fixing and nonfixing lupines to examine the effects of plant nutrition on short-term alkaloid production in damaged leaves. Three different treatments were used: damaged leaves from N2-fixing plants; undamaged leaves from these damaged, N2-fixing plants; and damaged leaves on nitrogen-limited, nonfixing plants. Relative to controls, alkaloids increased in concentration more quickly in the N2-fixing than in the nitrogen-limited plants. The magnitude of this increase in alkaloids was correlated with the initial alkaloid concentration. These results suggest that nitrogen-rich plants may benefit from faster and higher alkaloid induction than nitrogen-limited plants. In addition, the detailed dynamics of individual alkaloids are consistent with earlier proposals for the mechanism of lupine alkaloid induction.

Key words

Plant defense induced defense leaf damage quinolizidine alkaloids nitrogen fixation Lupinus succulentus 


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Copyright information

© Plenum Publishing Corporation 1989

Authors and Affiliations

  • Nelson D. Johnson
    • 1
  • Lisa P. Rigney
    • 1
  • Barbara L. Bentley
    • 1
  1. 1.Department of Ecology and EvolutionSUNY at Stony BrookStony Brook

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