El- Tabakh, M., Okaz, A., Mourad, S., Hager, M. (2020). Evaluation of the Efficiency of some Selection Methods in the Segregating Generations for Seed Yield and its Components of Two Flax Crosses. Journal of Plant Production, 11(7), 639-646. doi: 10.21608/jpp.2020.110563
M. M. M. El- Tabakh; A. M. A. Okaz; S. S. B. Mourad; M. A. Hager. "Evaluation of the Efficiency of some Selection Methods in the Segregating Generations for Seed Yield and its Components of Two Flax Crosses". Journal of Plant Production, 11, 7, 2020, 639-646. doi: 10.21608/jpp.2020.110563
El- Tabakh, M., Okaz, A., Mourad, S., Hager, M. (2020). 'Evaluation of the Efficiency of some Selection Methods in the Segregating Generations for Seed Yield and its Components of Two Flax Crosses', Journal of Plant Production, 11(7), pp. 639-646. doi: 10.21608/jpp.2020.110563
El- Tabakh, M., Okaz, A., Mourad, S., Hager, M. Evaluation of the Efficiency of some Selection Methods in the Segregating Generations for Seed Yield and its Components of Two Flax Crosses. Journal of Plant Production, 2020; 11(7): 639-646. doi: 10.21608/jpp.2020.110563
Evaluation of the Efficiency of some Selection Methods in the Segregating Generations for Seed Yield and its Components of Two Flax Crosses
Department of Agronomy, Faculty of Agricultural, Al-Azhar university, cairo, Egypt.
Abstract
The present investigation was carried out during 2015/2016, 2017/2018 and 2018/2019 successive seasons using the experimental material consisting of flax parents L16 , Sakha3, Sakha4 and L541/g/3 ,two flax crosses ( L16 x Sakha3) , and ,( Sakha4 x L541/g/3), and the F2 ,F3 and F4 populations .Genetic variability and divergence studies were conducted among the two crosses of flax.Phenotypic coefficient of variation (PCV) was higher than genotypic coefficient of variation (GCV) for all the observed characters. Based on the present study, high heritability coupled with high genetic advance was observed for seed yield per plant and three of its more important components, number of capsules per plant, number of seeds per capsules and 1000 seed weight .The result suggested the importance of additive gene action for their inheritance and improvement could be brought about by phenotypic selection and may be subjected to mass or progeny or family selection or any selection scheme.The results indicated that the selection indices were more effective than other selection procedures in improving the most characters under study ,while the independent culling levels selection and individual trait selection based on breeding value per plant were surpassed significantly most other selection procedures in improving characters under study among F2, F3 and F4 generations among the two flax crosses .
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