Abstract Standard Carnation flowers (Dianthus caryophyllus cv. Dover) were harvested at the paint brush stage in early morning, pre-cooled 4° C for 6-h then moved under dry conditions to laboratory. Flowers weighted and treated 24-h with silver nanoparticles (AgNPs) 0, 5 or 10 ppm plastic buckets. After pulsing treatments, cut transferred 500 mL glass jars containing 300 of preservation solutio...