Plant Growth Regulation

, Volume 18, Issue 3, pp 169–174 | Cite as

Comparison of cyclopropene, 1-methylcyclopropene, and 3,3-dimethylcyclopropene as ethylene antagonists in plants

  • Edward C. Sisler
  • Margrethe Serek
  • Eve Dupille


A comparison has been made of cyclopropene (CP), 1-methylcyclopropene (1-MCP), and 3,3-dimethyl-cyclopropene (3,3-DMCP) in their ability to protect plants against ethylene. In bananas, both CP and 1-MCP are effective around 0.5 nL L−1, and 3,3-DMCP was effective at 1 μL L−1. Bananas treated with CP and 1-MCP again become sensitive to ethylene at 12 days and those treated with 3,3-DMCP at 7 days. Mature green tomatoes are protected by 5–7 nL L−1 of 1-MPC for 8 days at 25°C and tomatoes treated with 3,3-DMCP at 5–10 μL L−1 are protected for 5 days. Carnation flowers are protected with CP or 1-MCP after exposure to 0.5 nL L−1 for 24 hours and by 1 μL L−1 of 3,3-DMCP. The display life of Campanula flowers is increased from 3.3 to 5.4 days by 10 μL L−1 of 3,3-DMCP and to 9 days by 20 nL L−1 of 1-MCP. Ethylene inhibition of pea seedlings is reduced by treatment with 1-MCP at 10 μL L−1 of ethylene but as ethylene is increased to 3000 μL L−1 growth inhibition increases. 3,3-DMCP treatment causes very little reduction of the ethylene effect even at very low concentrations.

Key words

cyclopropene 3,3-dimethylcyclopropene ethylene 1-methylcyclopropene plants senescence 


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Copyright information

© Kluwer Academic Publishers 1996

Authors and Affiliations

  • Edward C. Sisler
    • 1
  • Margrethe Serek
    • 2
  • Eve Dupille
    • 3
  1. 1.Department of BiochemistryNorth Carolina State UniversityRaleighUSA
  2. 2.Department of Agricultural Sciences, Section of HorticultureThe Royal Veterinary and Agricultural UniversityFrederiksberg CDenmark
  3. 3.ENSATToulouseFrance

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