POSTHARVEST HANDLING OF TUBEROSE (Polianthes tuberosa Linn.) cv. Double
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Date
2014
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UHF,NAUNI
Abstract
ABSTRACT
The investigation entitled, “Postharvest handling of tuberose (Polianthes tuberosa
Linn.) cv. Double” were carried out at the Experimental Farm and Laboratory of Department
of Floriculture and Landscaping, Dr. Y. S. Parmar University ofHorticulture and Forestry,
Nauni-Solan in the year 2012-2013. During the study period, three experiments viz.
Standardization of pulsing solution treatments; effect of various wrapping materials and
storage durations and standardization of holding solutions for post harvestlife of tuberose cut
flowers were conducted separately. Pulsing solutions experiment was laid out in Completely
Randomized Design (Factorial) with 9 treatments and 3 durations replicated thrice. It was
observed that pulsing solution comprising of 10 % Sucrose + 400 ppm 8-HQC for 12 hours
resulted in best treatment for most of the post harvest parameters such as floret size (4.71
cm), maximum percentage of opened florets (83.44 %), vase life (14.52 days) and maximum
amount of solution consumed (38.29 ml/spike). The experiment on wrapping material and
storage durations was laid out in Completely Randomized Design (Factorial) with 7 wrapping
materials and 4 storage durations replicated thrice. Wrapping of cut stems in cellophane and
stored for 3 days at 4
0
C increased the floret quality and longevity. Holding solutions
experiment was laid out in Completely Randomized Design with 13 treatments and replicated
thrice. It was observed that solution comprising of 4 % Sucrose + 300 ppm 8-HQC + 50 ppm
GA3resulted best treatment for most of the postharvest parameters such as vase life (14.24
days), amount of holding solution consumed (44.08 ml/spike) and appearance.
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