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MAINTENANCE AND PRODUCING THE NUCLEOLUS (BREEDER'S SEED) OF GIZA 95 EGYPTIAN COTTON CULTIVAR, DURING 2019-2022 SEASONS

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Last updated: 05 Jan 2025

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Abstract

The pure seed and production of long and extra-long staple varieties, rational are using the pedigree selection method necessary to produce the breeder's seed. Thus, breeding program of Giza 95 was conducted at Sids Agricultural Research Station, Beni-suef governorate district during 2019- 2022 growing seasons. In 2019 season sixty type plants were selected from the nursery field of the new Giza 95 cultivar and furnished sixty progenies (increase A) in 2020 season. From the later, seventeen families were selected to descend increase B in 2021 season. According to the statistical analysis of yield trial which included the seventeen families and comparisons of the three newest lines of Giza 95, eight elite families were selected and the selfed seeds were carefully massed together to form the nucleolus (breeder's seed) in 2022 season. Data obtained indicated that, the pure line method, in the sense of pedigree selection, for renewing annually Giza 95 breeder's seed could produce high genetically pure seeds and in the same time, prevent genetic contamination. Meanwhile, the selection technique for producing breeder's seed of Giza 95 cultivar was valid and proved to be effective in holding this cultivar according to the standard type of Giza 95.

DOI

10.12816/ejpb.2023.291745

Keywords

Egyptian cotton, Gossypium barbadense, Pedigree selection method, Maintaining, system

Volume

27

Article Issue

1

Related Issue

38652

Issue Date

2023-01-01

Receive Date

2023-03-21

Publish Date

2023-01-01

Page Start

45

Page End

59

Print ISSN

1110-7863

Online ISSN

2735-3885

Article File

EJPB_Volume 27_Issue 1_Pages 45-59.pdf

PDF . 612.0kB

Link

https://ejpb.journals.ekb.eg/article_291745.html

Detail API

https://ejpb.journals.ekb.eg/service?article_code=291745

Order

291,745

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 THE NUCLEOLUS (BREEDER'S SEED) OF GIZA 95 EGYPTIAN COTTON CULTIVAR, DURING 2019-2022 SEASONS

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Article

Created At

28 Dec 2024