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Plant Growth Regulation

, Volume 4, Issue 3, pp 213–218 | Cite as

Effect of antagonists of ethylene action on binding of ethylene in cut carnations

  • E. C. Sisler
  • M. S. Reid
  • S. F. Yang
Article

Abstract

Five hours after cut carnations had been treated with a pulse of 1 or 4 mM silver thiosulfate (STS), in vivo ethylene binding in petals was inhibited by 22 and 29%, respectively. When binding was measured 4 days after the 4-mM STS treatment, binding was inhibited by 81%. 2,5-Norbornadiene, which substantially delays carnation senescence, inhibited ethylene binding by 41% at a concentration of 1000 μl/l. The Kd for ethylene binding in carnations was estimated to be 0.1 μl/l in petals and 0.09 μl/l in leaves. The concentration of binding sites was estimated to be 6.0×10−9 mol/kg of petals and 2.0×10−9 mol/kg of leaves

Key words

Dianthus ethylene 2,5-norbornadiene silver ethylene binding 

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Copyright information

© Martinus Nijhoff/Dr W. Junk Publishers 1986

Authors and Affiliations

  • E. C. Sisler
    • 1
  • M. S. Reid
    • 2
  • S. F. Yang
  1. 1.Department of BiochemistryNorth Carolina State UniversityRaleigh
  2. 2.Department of Environmental Horticulture and Vegetable CropsUniversity of CaliforniaDavis

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