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Comparison of different methods for identification of maize populations (Yea mays l.) as sources for elite hybrid improvement

Authorized Users Only
2011
Authors
Delić, Nenad
Pavlov, Jovan
Marković, Ksenija
Marković, Ksenija
Article (Published version)
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Abstract
Choice of adequate sources of new favorable alleles to be included in elite maize (Zea mays L.) hybrids improvement programs is of the main interest for maize breeders. The objectives of this study were: to evaluate potential of seven maize populations as donors of new favorable alleles to improve the hybrid B73 x Mo17 for grain yield, ear length, number of rows, and weight of 1000 kernels, using 5 methods; to compare results obtained by the calculation of rank corellation coefficient (rs) after Spearman, as well as Kendall's coefficient of concordance (W) (Falconer, 1989). All evaluated maize populations had positive values of 1 (P) over bar (1)mu statistics proposed by Dudley (1987) for all traits. It confirms that broad based sources as favorable allele carriers could be useful in elite hybrid parents improvement. High level of agreement between three applied methods for maize populations evaluation as sources of favorable alleles were obtained for all investigated traits. The stron...gest corellation relationship between method proposed by Dudley (1987) and (X) over bar TC were calculated for number of rows (rs = 1**) and ear length (rs = 0.964**).

Keywords:
maize / alleles / yield improvement
Source:
Romanian Agricultural Research, 2011, 28, 65-69
Publisher:
  • Natl Agricultural Research & Development Inst, Fundulea

ISSN: 1222-4227

WoS: 000297668900010

Scopus: 2-s2.0-84856795878
[ Google Scholar ]
URI
http://rik.mrizp.rs/handle/123456789/390
Collections
  • Радови истраживача / Researchers' publications
Institution
MRIZP
TY  - JOUR
AU  - Delić, Nenad
AU  - Pavlov, Jovan
AU  - Marković, Ksenija
AU  - Marković, Ksenija
PY  - 2011
UR  - http://rik.mrizp.rs/handle/123456789/390
AB  - Choice of adequate sources of new favorable alleles to be included in elite maize (Zea mays L.) hybrids improvement programs is of the main interest for maize breeders. The objectives of this study were: to evaluate potential of seven maize populations as donors of new favorable alleles to improve the hybrid B73 x Mo17 for grain yield, ear length, number of rows, and weight of 1000 kernels, using 5 methods; to compare results obtained by the calculation of rank corellation coefficient (rs) after Spearman, as well as Kendall's coefficient of concordance (W) (Falconer, 1989). All evaluated maize populations had positive values of 1 (P) over bar (1)mu statistics proposed by Dudley (1987) for all traits. It confirms that broad based sources as favorable allele carriers could be useful in elite hybrid parents improvement. High level of agreement between three applied methods for maize populations evaluation as sources of favorable alleles were obtained for all investigated traits. The strongest corellation relationship between method proposed by Dudley (1987) and (X) over bar TC were calculated for number of rows (rs = 1**) and ear length (rs = 0.964**).
PB  - Natl Agricultural Research & Development Inst, Fundulea
T2  - Romanian Agricultural Research
T1  - Comparison of different methods for identification of maize populations (Yea mays l.) as sources for elite hybrid improvement
VL  - 28
SP  - 65
EP  - 69
ER  - 
@article{
author = "Delić, Nenad and Pavlov, Jovan and Marković, Ksenija and Marković, Ksenija",
year = "2011",
url = "http://rik.mrizp.rs/handle/123456789/390",
abstract = "Choice of adequate sources of new favorable alleles to be included in elite maize (Zea mays L.) hybrids improvement programs is of the main interest for maize breeders. The objectives of this study were: to evaluate potential of seven maize populations as donors of new favorable alleles to improve the hybrid B73 x Mo17 for grain yield, ear length, number of rows, and weight of 1000 kernels, using 5 methods; to compare results obtained by the calculation of rank corellation coefficient (rs) after Spearman, as well as Kendall's coefficient of concordance (W) (Falconer, 1989). All evaluated maize populations had positive values of 1 (P) over bar (1)mu statistics proposed by Dudley (1987) for all traits. It confirms that broad based sources as favorable allele carriers could be useful in elite hybrid parents improvement. High level of agreement between three applied methods for maize populations evaluation as sources of favorable alleles were obtained for all investigated traits. The strongest corellation relationship between method proposed by Dudley (1987) and (X) over bar TC were calculated for number of rows (rs = 1**) and ear length (rs = 0.964**).",
publisher = "Natl Agricultural Research & Development Inst, Fundulea",
journal = "Romanian Agricultural Research",
title = "Comparison of different methods for identification of maize populations (Yea mays l.) as sources for elite hybrid improvement",
volume = "28",
pages = "65-69"
}
Delić N, Pavlov J, Marković K, Marković K. Comparison of different methods for identification of maize populations (Yea mays l.) as sources for elite hybrid improvement. Romanian Agricultural Research. 2011;28:65-69
Delić, N., Pavlov, J., Marković, K.,& Marković, K. (2011). Comparison of different methods for identification of maize populations (Yea mays l.) as sources for elite hybrid improvement.
Romanian Agricultural ResearchNatl Agricultural Research & Development Inst, Fundulea., 28, 65-69.
Delić Nenad, Pavlov Jovan, Marković Ksenija, Marković Ksenija, "Comparison of different methods for identification of maize populations (Yea mays l.) as sources for elite hybrid improvement" 28 (2011):65-69

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