Extending the postharvest life of carnations with nitric oxide—comparison of fumigation and in vivo delivery
2003
Bowyer, M.C. | Wills, R.B.H. | Badiyan, D. | Ku, V.V.V.
The ability of nitric oxide (NO) to extend the postharvest life at 20 °C of carnations (Dianthus caryophyllus L. cv. White-Sim) was investigated using delivery by gas-based fumigation and in vivo release via a solution containing the NO donor compound 2,2′-(hydroxynitrosohydrazino)-bisethanamine (DETA/NO). Treatment with NO gas in air at 1 and 5 μl l−1 produced about a 30% increase in postharvest life while DETA/NO applied in solution at 10 mg l−1 extended postharvest life by about 50% when dissolved in water. For flowers, use of solid delivery appears to offer a more convenient and more effective method of NO treatment than gaseous fumigation to extend postharvest life.
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