Evaluation of some Genetic Parameters of Grain Yield and some of its Characters of an Individual Soft Wheat Hybrid (Triticumaestivum L.)

International Journal of Agriculture & Environmental Science

© 2017 by SSRG - IJAES Journal

Volume 4 Issue 2

Year of Publication : 2017

Authors : Nizar Harba, Walid Alek, Leila Al-dahhak

10.14445/23942568/IJAES-V4I2P103

How to Cite?

Nizar Harba, Walid Alek, Leila Al-dahhak, "Evaluation of some Genetic Parameters of Grain Yield and some of its Characters of an Individual Soft Wheat Hybrid (Triticumaestivum L.)," SSRG International Journal of Agriculture & Environmental Science, vol. 4,  no. 2, pp. 15-21, 2017. Crossref, https://doi.org/10.14445/23942568/IJAES-V4I2P103

Abstract:

The research was carried out to study some of genetic parameters for individual hybrid (ACSAD 1115 × Bohouth6) of soft wheat as (days to heading, plant height, peduncle length, spike length, grains per spike, grain yield in individual plant) using an analysis of generations not segregate and second segregate –generation. It was conducted at the Agricultural Research Center in Hamah per to the randomized complete block design (RCBD) in three replications, during two growing seasons. Four genetic populations (P1,P2,F1,F2) of this hybrid were used. Results showed that act of the overdominance was controlling on the behavior of the trait (spike length), while behavior of rest of the traits was affected by the partial dominance. The results concluded that significant value of heterosis compared to the average of the parents, for trait grain yield per plant in the first generation F1 was with non-significant inbreeding depression in the second-generation F2 High heritability in a broad sence associated with a high genetic advance in traits as (plant height, grains per spike), which refers to the possibility of improving these traits through selection in the early generations.While rest of the trait (days to heading, peduncle spike, spike length, grain yield per plant) can be improved through repeated selection in the late segregate generations.

Keywords:

Soft Wheat, Heterosis, Inbreeding Depression, Heritability and Genetic Advance

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