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256678

MAINTENANCE AND PRODUCING OF THE NUCLEOLUS (BREEDER’S SEED) OF GIZA 45 EGYPTIAN COTTON CULTIVAR

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Last updated: 05 Jan 2025

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Abstract

The breeding program of the cultivar Giza 45 was conducted at Sakha Agricultural Research Station, Kafr El-Sheikh district during 2015 -2018 growing seasons to initiate a nucleolus. In 2014 season forty five type plants were selected from the breeding field of Giza 45 cultivar and provided fifty four progenies (increase A) in 2015. From increase A, seventeen families were selected to establish increase B in 2017. According to the statistical analysis of yield trial which included the eighteen families and comparisons of the latest two lines in cultivation of Giza 45, four elite families were selected and the seeds were carefully massed together to form the nucleolus (breeder's seed) in 2019 season. The results obtained indicated that, the pure line method in the sense of pedigree selection for renewing annually Giza 45 breeder's seed could produce high genetically pure seeds and meantime, prevent genetic deterioration. Meanwhile, the selection technique for producing breeder's seed of the cv. was valid and proved to be effective in holding this cv. according to the standard type of Giza 45.

DOI

10.12816/ejpb.2019.256678

Keywords

maintenance, Cotton, (Gossypium barbadense L.), Giza 45

Volume

23

Article Issue

8

Related Issue

36384

Issue Date

2019-12-01

Receive Date

2022-08-28

Publish Date

2019-12-01

Page Start

1,615

Page End

1,629

Print ISSN

1110-7863

Online ISSN

2735-3885

Article File

EJPB_Volume 23_Issue 8_Pages 1615-1629.pdf

PDF . 670.5kB

Link

https://ejpb.journals.ekb.eg/article_256678.html

Detail API

https://ejpb.journals.ekb.eg/service?article_code=256678

Order

256,678

Type

Original research

Type Code

1,909

Publication Type

Journal

Publication Title

Egyptian Journal of Plant Breeding

Publication Link

https://ejpb.journals.ekb.eg/

MainTitle

MAINTENANCE AND PRODUCING OF THE NUCLEOLUS (BREEDER’S SEED) OF GIZA 45 EGYPTIAN COTTON CULTIVAR

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Article

Created At

23 Jan 2023