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Silverthiosulphate which is a potent inhibitor of ethylene action was found to be ineffective in delaying senescence of detached flowers of Iris germanica whereas cycloheximide, a protein synthesis inhibitor, effectively delayed the senescence of these flowers and extended the longevity to 6 days. However, this treatment resulted in suppression of bud opening. When cycloheximide treatment was given at progressive intervals it became less effective in inhibiting bud opening and delaying senescence. Cycloheximide treatment maintained a higher protein content in the perianth tissue of flowers compared to untreated flowers.
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Bibliografia
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- Reid M.S. 1989. The role of ethylene in flower senescence. Acta Hort. 261: 157–169.
- Woodson W.R. 1987. changes in the protein and mRNA populations during senescence of carnation petals. Physiol. Plant. 71: 498–503.
- Woodson W.R. and Lawton K.A. 1988. Ethylene — induced gene expression in carnation petals: Relationship to autocatalytic ethylene production and senescence. Plant Physiol. 87: 498–503.
- Wulster G., Sacalis J., Janes H. 1982. The effect of inhibitors of protein synthesis on ethylene — induced senescence in isolated carnation petals. J. Amer. Soc. Hort. Sci. 107: 112–115.
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Bibliografia
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