Frequent irrigation regimes, and cool storage increased the sensitivity of carnation cut flowers to ethylene which was reflected by a shorter residual flower life. A combination of cytokinins, 0.23 mM kinetin or isopentyl adenine (IPA), with 5% w/v sucrose reduced the sensitivity to ethylene and increased longevity 2 to 2.6 times, respectively. The reversible and irreversible wilting response to ethylene is discussed.
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Mayak et al. (1976) studied this question.