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Influence of Sucrose and Aluminium Sulphate Vase Life of Cut Hippeastrum Flower (hippeastrum Hybridum Hort.) as Influenced

M. K. Jamil
Senior Scientific Officer
Biotechnology Division, Bangladesh Agricultural Research Institute (BARI), Gazipur

M. M. Rahman
Professor
Department of Horticulture, Bangabandhu Sheikh Mujibur Rahman Agricultural University (BSMRAU)

M. M. Hossain
Professor
Department of Horticulture, Bangabandhu Sheikh Mujibur Rahman Agricultural University (BSMRAU)

M. T. Hossain
Professor
Department of Soil Science, BSMRAU, Salna, Gazipur, Bangladesh

A. J. M. S. Karim
Professor
Department of Soil Science, BSMRAU, Salna, Gazipur, Bangladesh.

Abstract/ Executive Summary:

An experiment with Hippeastrum flower (Hippeastrum hybridum Hort.) cv. ‘Apple Blossom’ comprising three sucrose concentrations viz. 0 (control), 2 and 4 % and five aluminium sulphate concentrations viz. 0 (control), 0.25, 0.50, 0.75 and 1.0 mM at the Horticulture Laboratory of Bangabandhu Sheikh Mujibur Rahman Agricultural University, Bangladesh during the period from April 01 to April 30, 2009. The experiment was laid out in a Completely Randomized Design (CRD) with three replications. Sucrose, aluminium sulphate and their combinations had significant influence on most of the parameters studied. Transpiration loss and water uptake ratio decreased significantly with the increased sugar levels and aluminium sulphate upto 0.75 mM beyond which they were increased. Transpiration loss and water uptake ratio was found minimum in the vase solution containing 4% sucrose (0.78) and 0.75 mM aluminium sulphate (0.80), which ultimately resulted in an enhanced vase life (9.2 days for sucrose and 9.11 days for aluminium sulphate) of cut Hippeastrum flower. A linear relationship between water uptake and vase life of flowers was found (y = 0.056x + 5.791). Sucrose 4% and aluminium sulphate 0.75 mM in combination gave maximum total water uptake, maximum days to onset of deterioration, the highest average fresh weight of single scape at 6^th and 10^th day after setting the trial. Transpiration loss and solution uptake ratio was found maximum in the combination of 4% sucrose and 0.75 mM aluminium sulphate (0.48) with the longest vase life of 10.33 days of cut Hippeastrum flower cv. ‘Apple Blossom’.

Keywords: Sucrose, Aluminium sulphate, Transpiration loss, Vase life, Hippeastrum flower, Hippeastrum hybridum Hort.

Location: At the Horticulture Laboratory of Bangabandhu Sheikh Mujibur Rahman Agricultural University, Bangladesh

Start Date: 01-04-2009

End Date: 30-04-2009

Program Area: Crop-Soil-Water Management

Commodity: Fertilizer, Flower

Objectives:

To find out the optimum concentration of sucrose and aluminium sulphate for enhancing vase life and keeping quality of cut Hippeastrum flower.

Methodology:

Forty five conical flasks (500 ml each) were filled with 300 ml distilled water for both sucrose (0, 2 and 4%) and different concentration of aluminium sulphate (0, 0.25, 0.50, 0.75 and 1.0 mM) on respective conical flask and dissolved it by hand shaking. The plants of Hippeastrum cv. Apple Blossom were grown in the Horticulture Research Field of BSMRAU following the recommended package of production techniques. Hippeastrum floral scapes were harvested when the buds were fully elongated but not full open. The floral scapes were harvested early in the morning and were immediately placed in water. During harvesting, the scapes were cut horizontally in uniform length of 30 cm by sharp knife. Then the floral scapes were trimmed by about 2 cm under water again prior to place them in holding solution After harvesting, the scapes were carried out to the Horticulture laboratory and fresh weight was measured. Two floral scapes were used for each treatment consisting of a 500 ml conical flask containing 300 ml vase solution of given concentrations. The conical flasks were kept at room temperature of 30⁰C ± 2⁰C with 65- 80% relative humidity and adequate aeration. Data were recorded on every day based on the following parameters. Water uptake, transpiration loss of water and fresh weight was determined on alternate days.

a) Water uptake (g): The difference in weight between consecutive measurements of the conical flask + solution (without floral scape) represented the water uptake.

b) Transpiration loss of water (g): The difference in weight between consecutive measurements of the conical flask + solution + floral scape represented the transpiration loss of water.

c) Fresh weight of floral scape: The difference between the weight of conical flask + solution + floral scape and the weight of conical flask + solution represented the fresh weight of scape on that particular day.

d) Days taken to deterioration started: Days counted when the petals of the flowers started to dry.

e) Vase life (days): Wilting or fading of 50 percent of the flowers per scape was considered the end of the vase life of the floral scape.

All the recorded data were statistically analyzed through partitioning the total variance with the help of computer based MSTAT C Program. The difference between treatments means were compared by Duncan’s Multiple Range Test (DMRT) (Gomez and Gomez, 1984).

Source of Information: Bangladesh J. Agril. Res. 41(2): 221-234, June 2016 ISSN 0258-7122 (Print), 2408-8293 (Online)

Article Link (Online Journal):

Funding Source:

Budget:

Total Budget (Tk.) :

Achievement/Findings:

The results of the present experiment suggests that vase solution containing 4% sucrose and 0.75 mM aluminium sulphate can be used for prolonging the vase life of cut Hippeastrum flower cv. Apple Blossom.

Knowledge Management: Journal