Acta Agronomica Hungarica
Volume/Issue:
Volume 52: Issue 2
Relative efficiency of androgenesis and maize-mediated production frequencies of polyhaploids in winter × spring wheat and triticale × wheat hybrids
Authors:
S. Singh Cytogenetics and Tissue Culture Laboratory, Department of Plant Breeding and Genetics, CSK Himachal Pradesh Agricultural University Palampur, India

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G. S. Sethi Cytogenetics and Tissue Culture Laboratory, Department of Plant Breeding and Genetics, CSK Himachal Pradesh Agricultural University Palampur, India

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H. K. Chaudhary Cytogenetics and Tissue Culture Laboratory, Department of Plant Breeding and Genetics, CSK Himachal Pradesh Agricultural University Palampur, India

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Pages:
205–209
Online Publication Date:
22 Jul 2005
Publication Date:
01 Aug 2004
Article Category:
Research Article
DOI:
https://doi.org/10.1556/AAgr.52.2004.2.12
Keywords:
androgenesis; androgenesis; androgenesis; doubled haploid; genotypic specificity; triticale × wheat hybrids; wheat × maize system
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Comparisons between androgenesis and maize-mediated haploid production efficiencies were made in six F1 genotypes each of winter × spring wheat and triticale × wheat crosses. The haploid status of the plantlets obtained was confirmed through cytological examination of the root tips. Much higher embryo formation (15.2%), haploid induction (8.7%) and doubled haploid production (8.3%) were obtained in the winter × spring wheat F1s through the wheat × maize system than by androgenesis (3.1%, 3.2 and 2.7%, respectively). Three of the triticale × wheat F1 genotypes failed to respond to androgenesis, while no haploids were recovered through the wheat × maize system in any of the six triticale × wheat F1s. Genotypic specificity, low callus induction and albinism reduced the efficiency of androgenesis both in winter × spring wheat and triticale × wheat hybrids. In all, the wheat × maize system proved to be better for winter × spring wheat hybrids and androgenesis for triticale × wheat hybrids.

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Cover Acta Agronomica Hungarica
Acta Agronomica Hungarica
Print ISSN:
0238-0161
Online ISSN:
1588-2527

Acta Agronomica Hungarica
Language English
Russian
German
French
Size  
Year of
Foundation		 1950
Publication
Programme		 ceased
Volumes
per Year		  
Issues
per Year		  
Founder Magyar Tudományos Akadémia   
Founder's
Address		 H-1051 Budapest, Hungary, Széchenyi István tér 9.
Publisher Akadémiai Kiadó
Publisher's
Address		 H-1117 Budapest, Hungary 1516 Budapest, PO Box 245.
Responsible
Publisher		 Chief Executive Officer, Akadémiai Kiadó
ISSN 0238-0161 (Print)
ISSN 1588-2527 (Online)

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