598939 Disclosed is composition comprising (a) a meltable solid matrix comprising (i) one or more hydrophobic substance, and (ii) one or more hydrophilic substance, and (b) distributed in said matrix, one or more encapsulation complex of a volatile cyclopropene compound encapsulated in a molecular encapsulating agent selected from alpha cyclodextrin, beta cyclodextrin, gamma cyclodextrin, or a mixture thereof, wherein said hydrophobic substance is selected from fatty compounds, hydrocarbon waxes having 12 to 120 carbon atoms, olefin polymers and mixtures thereof, and wherein said hydrophilic substance is a polymer selected from cellulose, polyethylene glycol, hydrophilic ethylene vinyl acetate copolymers and pendantamide polymers. Also disclosed is a method of treating plants by applying the composition. Particular cyclopropene is 1-methylcyclpropene (1-MCP)
