Fig. 3

Effect of different treatments on petal senescence and time to abscission (Stage 6) of detached flowers at Stage 1. a Treatment with STS consisting of a 1 h pulse (b) continuous exposure to CEPA (125 ppm), (c) continuous exposure to 0.1 mM kinetin, (d) continuous exposure to 0.1 mM 6-methyl purine, (n = 10). e-f Ethylene produced by flowers held for 2 days in either water or 0.1 mM kinetin (e), 0.1 mM 6-methyl purine (f) (mean ± SE, n = 3; in panel e ** indicates P < 0.01 as determined by a student’s t-test; in panels a-d no noticeable difference in stage progression was visible between replicates)