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Effects of Floral Preservative Solutions for Vase Life Evaluation of Gerbera

H. Mehraj
The United Graduate School of Agricultural Science, Ehime University, Ehime, Japan

T. Taufique
Dept. of Horticulture, Sher-e-Bangla Agricultural University, Dhaka, Bangladesh

M. Shamsuzzoha
Dept. of Horticulture, Sher-e-Bangla Agricultural University, Dhaka, Bangladesh

I. H. Shiam
Dept. of Horticulture, Sher-e-Bangla Agricultural University, Dhaka, Bangladesh

A. F. M. Jamal Uddin
Dept. of Horticulture, Sher-e-Bangla Agricultural University, Dhaka, Bangladesh

Abstract/ Executive Summary:

An experiment was conducted to evaluate the postharvest life of cut gerbera cultivars under the different preservative solutions. Three (yellow, magenta and orange) cut gerbera cultivars were placed on nine different preservative solution viz. T1: Control; T2: Sugar (100-ppm); T3: Citric Acid (100-ppm); T4: Salicylic Acid (100-ppm); T5: Chitosa1(100-ppm); T6: Sugar + Citric Acid (100-ppm); T7: Sugar + Salicylic Acid (100-ppm); T8: Citric Acid + Chitosan (100-ppm); T9: Salicylic Acid + Chitosan (100-ppm) following completely randomized design. Yellow gerbera provided the maximum petals water content (52.4%) when placed in T9 and also provided 8.0 days more vase life compared to the control. For magenta and orange gerbera, maximum petals water content (magenta: 56.3% and orange: 63.0%) in T8 and also 6.9 days more vase life than control.

Keywords: Gerbera cultivars, Preservative solutions, Vase life

Location: Department of Horticulture, Sher-e-Bangla Agricultural University (SAU), Bangladesh

Start Date: 00-12-2013

End Date:

Program Area: Postharvest and Agro-processing

Commodity: Gerbera

Objectives:

The current study was undertaken to find out the proper preservative solution for cut gerbera.

Methodology:

The experiment was conducted at 2abiotechlaboratory, Department of Horticulture, Sher-e-Bangla Agricultural University (SAU), Bangladesh from December 2013.Uniform sticks (total 27 of each colored) yellow, magenta and orange gerbera cultivars were collected from 2a rooftop garden, SAU. These flowers were grown at uniformly maintained growing conditions. Gerbera sticks were trimmed in equal length. Slanting cut was made to provide more solution accumulated area. The study was conducted by following completely randomized design with three replications. Nine preservative solutions viz. T1: Control (Tap water); T2: Sugar (100-ppm); T3: Citric Acid (100-ppm); T4: Salicylic Acid (100-ppm); T5: Chitosan (100-ppm); T6: Sugar + Citric Acid (100-ppm); T7: Sugar + Salicylic Acid (100-ppm); were used on the experiment. Flowers were kept in room temperature during the period of experiment and the vase solutions were changed at every 5 days after interval. Data wee taken from weight loss, days taken for the flower dropping/stem bending, days taken for petal discoloration, days taken for petal shriveling, petals water content (WP %) and vase life (days). Petal discoloration and petal shriveling were measured by organoleptic test. Petals water content (% WP) was determined with the below equation (Kalate Jari et al., 2008): %WP= FW-DW/DW × 100 Collected data were statistically analyzed using MSTAT-C computer package program. Mean was calculated and analysis of variance for each of treatment was represented by F-test (Variance Ratio). Differences between treatments were evaluated by Least Significance Difference Test (LSD) at 5% level of significance (Gomez and Gomez, 1984).

Source of Information: J. Biosci. Agric. Res. 09(02): 804-811

Article Link (Online Journal): DOI:10.18801/jbar.090216.97

Funding Source:

Budget:

Total Budget (Tk.) :

Achievement/Findings:

According to the results of current research, it can be concluded that chitosan with citric acid extend the post harvest life of yellow gerbera and chitosan with salicylic acid extend the post harvest life of magenta and orange gerbera.

Knowledge Management: Journal