Only a
small percentage of petals from 1-MCPtreated
florets abscised, leaving enough petals
to ensure that a saleable product would
reach the market if the plants were exposed to
ethylene during shipping. While 1-MCP will
protect most cultivars of geranium during a
24-h period of exposure to ethylene, additional
studies are needed to determine how
long a single 1-MCP treatment is effective.