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Performance on Growth and Flowering of Sixteen Hybrid Gerbera Cultivars

S. Hossain
Department of Botany, Jahangirnagar University, She-e-Bangla Agricultural University, Dhaka, Bangladesh

S.N. Jolly
Department of Botany, Jahangirnagar University, She-e-Bangla Agricultural University, Dhaka, Bangladesh

S. Parvin
Department of Horticulture, Sher-e-Bangla Agricultural University, Dhaka-1207, Bangladesh

H. Mehraj
Department of Horticulture, Sher-e-Bangla Agricultural University, Dhaka-1207, Bangladesh

AFM Jamal Uddin
Department of Horticulture, Sher-e-Bangla Agricultural University, Dhaka-1207, Bangladesh

Abstract/ Executive Summary:

An experiment was conducted at Rooftop garden, Department of Horticulture, Sher-e-Bangla Agricultural University, Bangladesh to assess growth and flowering of gerbera cultivars. Sixteen hybrid gerbera cultivars were used on the experiment by following the Completely Randomized Design with five replications. Plant height, number of leaves, number of flowers/plant, peduncle length, peduncle diameter, flower head diameter, petal thickness, petal number and petal color (L*, a*, b*, C* and h_ab) showed significant variation among the cultivars. Maximum number of flower/plant (11.6), peduncle length (65.0 cm), peduncle diameter (12.3 mm) and flower head diameter (10.8 cm) was found from V₈ which was followed by V₇. Maximum petal thickness (0.69 mm) was found from V₇followed by V₁₃ (0.42 mm), V₈ (0.36 mm) and V₁₄ (0.36 mm). However, V₈ was the best among the cultivars concerning the yield which was followed by V₇.

Keywords: Gerbera, Cultivars, Growth, Flowering

Location: Rooftop garden, Department of Horticulture, Sher-e-Bangla Agricultural University, Dhaka

Start Date: 00-03-2010

End Date: 00-07-2011

Program Area: Variety and Species

Commodity: Gerbera

Objectives:

To study the growth and flowering of hybrid of gerbera cultivars

Methodology:

The experiment was conducted at Rooftop garden, Sher-e-Bangla Agricultural University (SAU), Dhaka-1207, Bangladesh during the period from March, 2010 to July, 2011 to study the growth and flowering of hybrid gerbera cultivars. Sixteen gerbera cultivars coded from V₁ to V₁₆ were used on the experiment and seedlings of these cultivars were collected from different large-scale commercial gardens at Ghodkhali, Jhikorgacha, Jessore. Experiment was carried out in a completely randomized design following three replications. A ratio of 1:1 well rotten cow dung and soil were mixed and pots were filled 7 days before transplanting. Besides, 1.5 g urea, TSP and MP were applied on the pot before transplanting of the gerbera plantlets. Data were collected on plant height, leaf number, number of flower, petiole length, petiole diameter, flower head diameter, petal thickness, petal number and petal color (L*, a*, b*, C* and hue angle or h_ab). Peduncle diameter and petal thickness were measured by using Digital Caliper -515 (DC- 515) in millimeter (mm). Petal colors at three different locations of the outer epidermis (Ø 10 mm) were measured using a handy tristimulus colorimeter, NR-3000 (NIPPON Denshoku), followed by L* (lightness), a*, and b* (two Cartesian coordinates), based on CIElab scale with the standard CIE observer (100 visual field) and CIE standard illuminant D65. Beams effective axes were at the angle of 45±20 from the normal of the specimen surface in illuminated petals. Metric chroma, C* and hue angel, h_ab (CIElab notation), were calculated as; C*= (a*2 + b*2)^0.5 and h_ab = tang^-1 (b*/a*).

Collected data were statistically analyzed using MSTAT-C computer package program. Difference between treatments was evaluated by Least Significant Difference (LSD) test at 5% level of significance.

Source of Information: Int. J. Bus. Soc. Sci. Res. 3(2): 87-92, (2015)

Article Link (Online Journal):

Funding Source:

1. Government

Budget:

Total Budget (Tk.) :

Achievement/Findings:

Plant height, leaves number, number of flower, peduncle length, peduncle diameter, flower head diameter, petal thickness and petal color of gerbera flower varied significantly among the cultivars. From the current study it was found that V₈ was the best cultivars considering the number of flower/plant, peduncle length, peduncle diameter, flower diameter which was followed by V₇.

Knowledge Management: Journal