Effect of thiosulfate, salicylic acid, humic acid and nano silver on physico-chemical characteristics of cut narcissus flower

Document Type : Full Paper


1 Associate Professor , College of Agriculture, Univercity of Mohaghegh Ardebili, Ardebil, Iran

2 Former M.Sc. Student, College of Agriculture, Univercity of Mohaghegh Ardebili, Ardebil, Iran


In order to study the effects of Silver Thiosulfate (0.02, 0.05, 0.1 and 0.2 mM), Humic Acid (100, 500 and 1000 mg l-1), Nano Silver (5, 10, 25 mg l-1), SalisilicAcid (1, 2 and 4 mM) and Sucrose (1%, 2.5% and 5%) on the vase life and some qualitative characteristics of cut Narcissus var Duch Master floweres, two expriments were counducted in postharvest laboratory of Mohaghegh Ardabili University. This experiment carried out based on compeletly randomized design used 5 replications. The results of experiments revealed that different treatments significantly (P<0.05) affected all measured traits. Mean comparision showed that STS at rates of 0.1 and 0.2 was the best treatment at all measured traits compared to control. The results of second experiment revealed that, the highest and lowest flower vase life were related to STS and control, respectively. Sucrose at all concentrations also enhanced flower vase life and the highest effect was related to 2.5% sucrose. Nano silver positively increased flower vase life compared to control with best effects at 1 to 10 mg/l. STS tends to maintain relative fresh weight compared to control and other treatments at all concentrations. In final day, mean comparison showed that plants treated by STS at rates of 0.25 and 0.75 mM and nano silver at rate of 5 mg/l and 2.5% sucrose had the higher solution uptake. Results showed that ethylene significantly decreased flower vase life. The results also revealed that Narcissus is sensitive to ethylene.


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