Cereal Research Communications
Volume/Issue:
Volume 33: Issue 2-3
Somaclonal variation in bread wheat ( Triticum aestivum L.). II. Field performance of somaclones
Authors:
Kasem Ahmed Minia University Department of Genetics, Faculty of Agriculture El-Minia ET-61517 Egypt

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and
Abdelkareem Abdelkareem Agric. Res. Center Field Crops Res. Inst. Giza Egypt

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Pages:
485–492
Online Publication Date:
16 Mar 2007
Publication Date:
01 Jun 2005
Article Category:
Research Article
DOI:
https://doi.org/10.1556/crc.33.2005.2-3.110
Keywords:
somaclonal variation; wheat ( Triticum aestivum L.); agronomic performance; field trials; genetic improvement
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Thirty-one somaclones in two advanced successive selfed generations (R 6 and R 7 ) regenerated in vitro from immature inflorescences or embryos of six spring bread wheat ( Triticum aestivum ) cultivars (Sakha 8, Sakha 69, Giza 157, Giza 160, Lerma Rojo 64 and Tobari 66) have been evaluated under field conditions during two agronomic seasons. Agronomic traits and yield components were studied in the somaclones and compared with their donor parental lines. The combined analysis of variance revealed the presence of highly significant differences between somaclones and their original cultivars. In general, variation was observed within and between somaclones and their original cultivars for days to heading, days to physiological maturity, plant height, grain yield and yield components, especially in those derived from two Egyptian cultivars (Sakha 8, Sakha 69). Moreover, 5 out of 19 somaclones derived from Sakha 8, 4 out of 5 somaclones from Sakha 69 and one somaclone from Giza 157 were superior to their original cultivars. Thus, somaclonal variation arising from tissue culture could successfully produce genotypes agronomically superior to the parental cultivars and useful for wheat breeding programs.

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Cereal Research Communications A Quarterly of the Cereal Research Non-Profit Ltd. Company
Print ISSN:
0133-3720
Online ISSN:
1788-9170

 

 

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Cereal Research Communications
Language English
Size A4
Year of
Foundation		 1973
Volumes
per Year		 1
Issues
per Year		 4
Founder Akadémiai Kiadó
Founder's
Address		 H-1117 Budapest, Hungary 1516 Budapest, PO Box 245
Publisher Akadémiai Kiadó
Springer Nature Switzerland AG
Publisher's
Address		 H-1117 Budapest, Hungary 1516 Budapest, PO Box 245.
CH-6330 Cham, Switzerland Gewerbestrasse 11.
Responsible
Publisher		 Chief Executive Officer, Akadémiai Kiadó
ISSN 0133-3720 (Print)
ISSN 1788-9170 (Online)

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