Psidium guajava and Piper betle Leaf Extracts Prolong Vase Life of Cut Carnation (Dianthus caryophyllus) Flowers

Figure 7

Growth of bacteria and fungi on (A) nutrient agar and (B) potato dextrose agar media plated on petri dish which contain copper coin (a), tap water (b), 8-HQC (c), P. betle leaf extract (d), and P. guajava leaf extract (e) on both media after day 3 of streaking vase solution of cut carnation flowers on day 9.