Quadriallel Analysis of Some Yield Components and Fiber Quality Traits in Egyptian cotton Varieties
Elhousary, A. (2023). Quadriallel Analysis of Some Yield Components and Fiber Quality Traits in Egyptian cotton Varieties. EKB Journal Management System, 61(1), 9-18. doi: 10.21608/assjm.2023.281855
ALI Elhousary. "Quadriallel Analysis of Some Yield Components and Fiber Quality Traits in Egyptian cotton Varieties". EKB Journal Management System, 61, 1, 2023, 9-18. doi: 10.21608/assjm.2023.281855
Elhousary, A. (2023). 'Quadriallel Analysis of Some Yield Components and Fiber Quality Traits in Egyptian cotton Varieties', EKB Journal Management System, 61(1), pp. 9-18. doi: 10.21608/assjm.2023.281855
Elhousary, A. Quadriallel Analysis of Some Yield Components and Fiber Quality Traits in Egyptian cotton Varieties. EKB Journal Management System, 2023; 61(1): 9-18. doi: 10.21608/assjm.2023.281855

Quadriallel Analysis of Some Yield Components and Fiber Quality Traits in Egyptian cotton Varieties

Annals of Agricultural Science, Moshtohor
Article 2, Volume 61, Issue 1, March 2023, Page 9-18  XML PDF (1.01 MB)
Document Type: Original Article
DOI: 10.21608/assjm.2023.281855
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Author
ALI Elhousary email
Agronomy Dep. Fac. Agric. Moshtohor, Benha Univ.
Abstract
            Six Egyptian cotton varieties and their 45 double crosses were used to evaluating for combining ability and gene action .Results shown that the mean squares of genotypes were highly significant for most studied traits. Further partition of crosses mean squares to its component showed that the mean squares due to 1-line general, 2-line specific effect, 2-line arrangement, 3-line arrangement and 4-line arrangement were either significant or highly significant for most studied traits suggesting the presence of the additive and non-additive variance in the inheritance of these traits. Two-line interaction effect i.e. (S212),(S225) and (S234) showed positive  or negative(desirable) the best combination effect for most of yield compounds and fiber quality studied traits. Regarding, the three –line interaction effect, the combinations (S3124), (S3125) and (S3134) were the best combinations for most studied traits. Moreover, the four- line interaction effect point that, best combinations and exhibited desirable effects for most studied traits were (S41346), (S43456), (S41235) and (S41234). The specific t2(ij)(..) combining ability effects showed that, the better combination t2(14)(..), for (B/P), (BWg.), (UHM) and (UI), Also, t2(45)(..) for (SCY/P.g.) and (LY/P.g.) traits. In the same time, the two t2(36)(..) and t2(26)(..) were the best for FF trait and the best combination t2(25)(..) for (FS)  trait. Through the specific t2(i.)(j.) combining ability effect noticed that, t2(4.)(6.), t2(1.)(5.), t2(1.)(6.), t2(2.)(4.), t2(1.)(3.), t2(2.)(5.), t2(3.)(4.) as well as t2(3.)(5.), were the best effect combinations for most yield and fiber quality traits. 
Keywords
Egyptian cotton; Quadriallel analysis; mean performance; Gene action; and Combining ability
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