Abstract
Alstroemeria spp. is one of the highly demanded cut flower in the local and global cut flower market. Short vase life of flowers and leaves, petal wilting, petal drop, and transparency of petals are major postharvest problems. The objective was to extend the vase life of Alstroemeria spp. with 1-methylcyclopropene and ascorbic acid. Freshly cut flowering stems of Alstroemeria spp. were treated with 1-methylcyclopropene (0.25 ppm) and ascorbic acid (57 mM) alone and in combination of the two, for six hours. Distilled water was used as the control. Postharvest concentrations of anthocyanin, chlorophyll and glucose in flowers were best maintained when treated with a combination of 1‐methylcyclopropene and ascorbic acid, compared to all other treatments. Percentage fresh weight loss was same among treatments. The best treatment to extend vase life of Alstroemeria spp. is the combination of 1‐methylcyclopropene and ascorbic acid, which extended the vase life by additional seven days compared to the control.
 Int. J. Appl. Sci. Biotechnol. Vol 7(2): 174-183
Highlights
Alstroemeria spp., commonly known as Peruvian Lily is a highly demanded cut flower, available in numerous and vibrant colours (Choon, 2012)
The ethylene induced postharvest degradation symptoms of Alstroemeria spp. include; petal wilting, transparency of petals, petal drop, premature yellowing of leaves and short life of leaves (Choon, 2012). These symptoms reduce the economic value of Alstroemeria spp. cut flowers
The longest vase life of eight days was obtained by treating with 0.25 ppm 1-MCP for six hours, which was 2.5-times longer vase life than the respective control (p
Summary
Alstroemeria spp., commonly known as Peruvian Lily is a highly demanded cut flower, available in numerous and vibrant colours (Choon, 2012). Alstroemeria flowers are highly sensitive to ethylene. The ethylene induced postharvest degradation symptoms of Alstroemeria spp. include; petal wilting, transparency of petals, petal drop, premature yellowing of leaves and short life of leaves (Choon, 2012). These symptoms reduce the economic value of Alstroemeria spp. cut flowers. The ethylene induced postharvest degradation of cut flowers can be mitigated by applying chemicals, which inhibit ethylene biosynthesis and/or ethylene receptors
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