Absorbent granules coated by potassium permanganate prolong cut rose postharvest quality

Enrichment of zeolite and sponge as ethylene absorbent with potassium permanganate was the idea of this study to provide an efficient way to scavenge ethylene during storage period of three Rosa hybrida cv. ?Shiraz?, ?Avalanche?, and ?After-party? cut flowers. A preliminary experiment revealed that two mL of potassium permanganate solution (1 mM) was enough to enrich two grams of zeolite and two cm3 of sponge. Additionally, one ?L L-1 of external ethylene also found to be effective on induction of quality damage to certain cut flowers of rose cultivars, which were selected for injection in each isolated container for further evaluations. The treatments used in this study included - control (without absorbent), - enriched zeolite or sponge, - enriched zeolite or sponge + ethylene (one ?L L-1). The quality of flowers, weight, number of dropped petals, electrical conductivity of vase solution, ethylene concentration in the container and petal anthocyanins evaluated through/the end of experiment. Results revealed that change or reduction in the quality parameters were minor (more maintenance or stability of quality was achieved) with enriched zeolite and then enriched sponge compared to the control. Enriched zeolite could even maintain the quality of cut flowers at the level of control under external ethylene injection superior to enriched sponge treatment. ?Avalanche? and ?Shiraz? cultivars figured as the most sensitive and resistant cultivars to the evaluated level of external ethylene concentration, respectively.? SourcesEffect of Absorbent Granules Coated by Potassium Permanganate on Postharvest Quality of Rose (Rosa hybrida) CultivarsAzizollah Khandan-Mirkohi, Elmira Rabiee, Behrouz Janipour & Ahmad AhmadiInt. Journal of Horticultural Science and Technology, Volume 7, Issue 2, Spring 2020, Pages 175-18610.22059/IJHST.2020.300031.353https://ijhst.ut.ac.ir/article_76148.htmlPicture by?Greenkeeper