Year: 2017 | Month: April | Volume 10 | Issue 2
Effect of Certain Chemicals on Post Harvest Life of Some Cut Foliages
Abstract:
Evaluations on post harvest senescence of ornamental cut foliages are deficient in contrast to cut flowers although they enact adequate prospective roles in floriculture industry. In this juncture, present investigation being employed fronds of Asparagus plumosus, A. densiflorus and Nephrolepis exaltata of uniform length congregated from the greenhouse of National Library, Kolkata during early hours of the day executed in the laboratory of Dept. of Horticulture, University of Calcutta under ambient temperature while GA and NAA@50 and 100ppm, AgNO3@20 and 40ppm, sucrose@4 and 8% and tap water as control utilized as vase solution and pulsing treatment duo for 24hrs. Here, experimental findings revealed that AgNO3@20ppm for both A. plumosus and A. densiflorus and GA@100ppm for Nephrolepis exaltata were ample competent to protract the vase-life of 20.66, 10.66 and 40.33 days respectively while effective vase-life after pulsing treatment of 25.66, 17.33 and 20.66 days for same aforesaid species were obtained by GA@100 and 50ppm and AgNO3@20ppm. The fresh weight of all foliages remained almost unchanged upto 120hrs in both treatments. GA@100ppm as vase-solution evidently enhanced pigment intensity irrespective of entire species but upgradation of the same regarding Nephrolepis exaltata was obtained by AgNO3@20ppm after pulsing. AgNO3@20 and 40ppm and GA@50ppm facilitated also total water uptake upto 96hrs in all species but surprisingly NAA@50ppm exhibited its potency for Nephrolepis exaltata by 11.8ml of total water uptake. Everywhere sucrose yielded disappointed outcomes. Hence, this survey pinpointed that GA@100ppm and AgNO3@20 and 40ppm as both holding solution and pulsing treatment could protract the vase-life of aforementioned irreplaceable cut foliages.
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