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Research Detail

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M. R. Jahan
Dept. of Horticulture, Sher-e-Bangla Agricultural University, Bangladesh

B. Shahanaz
Dept. of Horticulture, Sher-e-Bangla Agricultural University, Bangladesh

M. M. Islam
RAM Consultants Ltd., LRI Staff quarter, Mohakhali, Dhaka

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

AFM Jamal Uddin
Dept. of Horticulture, Sher-e-Bangla Agricultural University, Bangladesh

Breeders and Researchers need information for selecting and improving gerbera flower as promising cut flowers through flower color analysis. This experiment was accomplished to accurately define the different flower color cultivar and analysis of flower color of gerbera in the Horticulture farm of Sher-e-Bangla Agricultural University during the period of January, 2017 to June, 2017. Fourteen gerbera cultivars were used in this experiment arranged in Randomized Complete Block Design with three replications. The gerbera cultivars have been classified based on peduncle length and diameter, receptacle diameter, ray floret diameter, trans floret diameter, disc diameter, flower head type, disc color, flower shape, flower per plant and floret color following UPOV authorized guidelines. The color of the gerbera cultivars were definitely measured and expressed through L* (lightness), a* and b* (two Cartesian coordinates) including C* and hab (Chroma & Hue angle) based on CIELab scale. Classification and variation in petal color attributes presented in tables and plates that may be used for further research to improve the flower sector.

  Gerbera, CIELab, UPOV and Colorimeter
  Horticulture research field of Sher-e-Bangla Agricultural University, Dhaka
  00-01-2017
  00-06-2017
  Variety and Species
  Gerbera

To classify fourteen gerbera cultivars under the study into different grouped following UPOV standard and measurement of petal color with colorimeter. 

Description of the experiment site- The experiment was conducted at the Horticulture research field of Sher-e-Bangla Agricultural University, Dhaka, from January, 2017 to June, 2017. The location of the site is 23074' N latitude and 90035' E longitudes with an elevation of 8.2 meter from sea level in Agro-Ecological Zone of Madhupur Tract (AEZ No. 28). Experiment design and treatment- The field experiment was conducted in Randomized Complete Block Design following three replications. Fourteen gerbera cultivars: V1 (Sweet pink), V2 (Yellow with black centre), V3 (Reddish orange), V4 (Red), V5 (White), V6 (Purplish pink), V7 (Yellow), V8 (Creamy yellow), V9 (Magenta), V10 (Red with black centre), V11 (Bright orange), V12 (Magenta pink), V13 (Orange) and V14 (Yellow with greenish centre) were used in this experiment collected from Pune, India. Classification of gerbera cultivars and petal color measurement-  The purpose of this research work was to study the flower characteristics and petal coloration of different Gerbera cultivars grown in Bangladesh's condition. Variation in the studied parameters was observed among the cultivars due to their different genetic makeup. Accurate measurement of the variation in petal color attributes was conducted using CIELab colorimeter. The gerbera cultivars have been classified based on peduncle length and diameter, receptacle diameter, ray floret diameter, trans floret diameter, disc diameter, flower head type, disc color, flower shape, flower per plant and floret color. Accurate measurement of the variation in petal color attributes was measured using CIELab colorimeter. The colors of the gerbera cultivars were definitely measured and expressed through L* (lightness), a* and b* (two Cartesian coordinates) including C* and hab (Chroma & Hue angle) based on CIELab scale with standard observer 100 and standard illumination D65 using precision colorimeter IWAVE WF32.

  J. Biosci. Agric. Res. 26(01):2143-2050, 30 October 2020.
  https://doi.org/10.18801/jbar.260120.262
Funding Source:
1.   Budget:  
  

From the result and discussion, it can be concluded that the gerbera cultivars under study showed significant variation in the studied characteristics. Through the present study, the studied gerbera cultivars were categorized based on the different morphological parameters and varietal performance for the researchers and farmers to recommend better cultivars and improve production technology. 

  Journal
  

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