Table 1
Longevity of carnation cut flowers pretreated with 1-methylcyclopropene (1-MCP), silver nanoparticle (AgNP), and sodium nitroprusside (SNP). Data are means ± SE (n = 15). Values with different letters are statistically significant according to Tukey-Kramer's multiple range test at 0.05 level
| 1-MCP treatments (mg·m−3) | Vase life (days) and relative increment (%) | AgNPs treatments (mg·dm−3) | Vase life (days) and relative increment (%) | SNP (mM) | Vase life (days) and relative increment (%) |
|---|---|---|---|---|---|
| Control | 6.5 ± 0.6d (100) | Control | 6.6 ± 0.9c (100) | Control | 6.8 ± 0.8d (100) |
| 100 | 9.4 ± 0.9c (145) | 50 | 9.0 ± 0.7b (135) | 0.1 | 9.3 ± 0.6c (136) |
| 200 | 13.1 ± 0.4a (203) | 100 | 12.1 ± 1.1a (182) | 0.2 | 12.1 ± 0.9b (177) |
| 300 | 11.9 ± 0.5b (184) | 150 | 11.5 ± 0.8a (173) | 0.3 | 15.9 ± 1.3a (233) |
| 0.4 | 14.2 ± 0.9a (208) |
Fig. 1
The impact of SNP (b), 1-MCP (c), and AgNPs (d) on the postharvest quality of cut carnation compared with the control (a). Photo was taken at 6th day after treatment
Fig. 2
Effects of 1-methylcyclopropene (1-MCP) at 200 mg·m−3, silver nanoparticles (AgNPs) at 100 mg·dm−3 and sodium nitroprusside (SNP) at 0.3 mM on relative water content (in %) of carnation cut flowers over vase life period. Values are means ± SE (n = 15). Letters represent statistical differences among treatments at each vase life day at 5% probability.
Fig. 3
Effects of 1-methylcyclopropene (1-MCP) at 200 mg·m−3, silver nanoparticles (AgNPs) at 100 mg·dm−3 and sodium nitroprusside (SNP) at 0.3 mM on MDA content (μmol·ml−1) and MSI (%) of carnation cut flowers over vase life period. Values are means ± SE (n = 15). Letters represent statistical differences among treatments at each vase life day at 5% probability.
Fig. 4
Effects of 1-methylcyclopropene (1-MCP) at 200 mg·m−3, silver nanoparticles (AgNPs) at 100 mg·dm−3 and sodium nitroprusside (SNP) at 0.3 mM on ethylene production (nl·g−1 FW·h−1) of carnation cut flowers over vase life period. Values are means ± SE (n = 15). Letters represent statistical differences among treatments at each life day at 5% probability.
Fig. 5
Effects of 1-methylcyclopropene (1-MCP) at 200 mg·m−3, silver nanoparticles (AgNPs) at 100 mg·dm−3 and sodium nitroprusside (SNP) at 0.3 mM on ACS activity (nmol·g−1 FW·h−1) and NOS activity (pmol·min−1·μg−1 protein) of carnation cut flowers over vase life period. Values are means ± SE (n = 15). Letters represent statistical differences among treatments at each vase life day at 5% probability.