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International Journal of Plant Breeding and Genetics
Year: 2020  |  Volume: 14  |  Issue: 1  |  Page No.: 9 - 16

Genetic Diversity Analyses of Twelve Tossa Jute (Corchorus olitorius L.) Genotypes Based on Variability, Heritability and Genetic Advance for Yield and Yield Attributing morphological Traits

Md. Mia Mukul, Nargis Akter, Sheikh Shorif Uddin Ahmed, Md. Golam Mostofa, Ranjit Kumar Ghosh, Syed Nazrul Islam, Dinesh Chandra Roy, Md. Al-Emran Hossain, Md. Meftahul Karim and Manika Rani Debnath    

Abstract: Background and Objective: Improvement of qualitative and quantitative traits of Tossa Jute through hybridization is problematic due to narrow genetic base and high sensitivity to light and temperature. Twelve Tossa Jute genotypes were studied to estimate their genetic diversity for fiber yield based on variances, heritability and genetic advance. Materials and Methods: This investigation was done in a randomized complete block design with three replications. Plants were harvested at 110 days of age. Data on plant height, base diameter, green weight, fiber yield and stick yield were recorded carefully. Results: The Acc. 1318 showed maximum plant height (3.22 m), stem base diameter (16.63 mm), dry fiber weight/plant (16.93 g), dry fiber yield per hectare area (3.55 t) followed by Acc. 1306, O-0512-6-2,O-043-7-9, BJRI Tossa pat-5, O-049-1-3, O-0411-10-4, JRO-524 (green), BJRI Tossa pat-8, JRO-524 (red), O-0419-3-1 and O-0412-9-4. Highly significant differences indicating variability were found for all characters among the genotypes which are helpful for varietal development. For all traits, phenotypic co-variances were relatively greater, but nearest to the genotypic co-variances indicating high contribution of genotypic effects for phenotypic expression. High heritability coupled with high genetic advance per percent of mean obtained for all characters except plant height, base diameter reflecting the presence of additive gene action for the expression of these traits and improvement of these characters through selection. Conclusion: Proper hybridization between wild and cultivated species will develop novel plant types with good characters. Acc. 1318, Acc. 1306, O-0512-6-2, O-049-1-3 performed good results on variability, heritability and genetic advance for fiber yield which will be used as breeding materials.

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