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89441

ESTIMATION OF GENETIC COMPONENTS BY USING NORTH CAROLINA MATING DESIGN SYSTEM FOR DETECTION DESIRABLE GENE ACTION IN COTTON.

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Last updated: 04 Jan 2025

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Abstract

North Carolina design system is very effective in breaking undesirable linkage and lead to creating genetic variability in a population. One population was obtained by crossing two cultivars Giza 88 (G.88) and TNB1 followed by intermitting between each F2 plants with original parents G.88 and TNB1. The results of the analysis of variance indicated that significant and highly significant mean squares for all the studied traits and these results indicating there were differences between them. The contribution of male or female parent was more pronounced in the genetic variation of the cross. The additive genetic variance was higher than dominance variance for most of the studied traits and potence ratio were less than one for these traits .On the other hand, the dominance portion of the genetic variation played the major role for inheritance of the other traits. Heritability in broad sense was larger than heritability in narrow sense for all the studied traits and the correlation coefficient was positive and significant between some of pair traits. These results recommended by recurrent selection for improvement of most the studied traits. While, many cycles of intermitting would dissipate the negative correlation.

DOI

10.21608/jacb.2010.89441

Authors

First Name

W.

Last Name

Yehia

MiddleName

M.B.

Affiliation

Cotton Research Institute, Agriculture Research Center, Egypt.

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First Name

M.

Last Name

Al-Ameer

MiddleName

A.

Affiliation

Cotton Research Institute, Agriculture Research Center, Egypt.

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Volume

1

Article Issue

5

Related Issue

13445

Issue Date

2010-05-01

Receive Date

2010-05-20

Publish Date

2010-05-01

Page Start

287

Page End

294

Print ISSN

2090-3626

Online ISSN

2090-3707

Link

https://jacb.journals.ekb.eg/article_89441.html

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https://jacb.journals.ekb.eg/service?article_code=89441

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5

Type

Original Article

Type Code

883

Publication Type

Journal

Publication Title

Journal of Agricultural Chemistry and Biotechnology

Publication Link

https://jacb.journals.ekb.eg/

MainTitle

ESTIMATION OF GENETIC COMPONENTS BY USING NORTH CAROLINA MATING DESIGN SYSTEM FOR DETECTION DESIRABLE GENE ACTION IN COTTON.

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Article

Created At

22 Jan 2023