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Genetic divergence of different temporal cycles of selection

Authorized Users Only
2009
Authors
Babić, Milosav
Babić, Vojka
Filipović, Milomir
Anđelković, Violeta
Bauer, Iva
Article (Published version)
Metadata
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Abstract
Since the mid 1960's, when the Maize Research Institute "Zemun Polje" began its maize breeding activities, there have been five cycles of selection primarily referring to the period of introducing new, higher-yield hybrids into mass production. This paper provides genetic characterization Of 30 maize hybrids developed by the Maize Research Institute "ZenlUn Polje", by RAID markers, in order to determine genetic relatedness of hybrids of different breeding cycles. The Jaccard similarity coefficients have been Computed and used for Cluster analysis by UPGMA and by Wards' method, discriminant analysis and correspondence analysis. Cluster analysis clearly delineates groups of hybrids by time cycles, while the correspondence analysis indicates that a division into three cycles Could be more adequate. The territorial map of the discrimination area, reduced to two dimensions, is an indication of the proximity between the cycles III and IV. Also the proximity of group centroids, of different c...ycles, by delineation lines indicates that the discrimination among groups is not so strong. The results Of all three analysis indicate that in genetic terms there -,ire three different selection cycles. Introduction of novel germ plasma into existing breeding material implies, in genetic terms, a beginning of new selection cycle.

Keywords:
Genetic divergence / Selection cycles / RAPD markers / Genetic relatedness / Zea mays
Source:
Maydica, 2009, 54, 2-3, 221-228
Publisher:
  • Maydica-Ist Sper Cerealicoltur, Bergamo

ISSN: 0025-6153

WoS: 000274052700008

Scopus: 2-s2.0-76249106374
[ Google Scholar ]
4
5
URI
http://rik.mrizp.rs/handle/123456789/278
Collections
  • Радови истраживача / Researchers' publications
Institution
MRIZP
TY  - JOUR
AU  - Babić, Milosav
AU  - Babić, Vojka
AU  - Filipović, Milomir
AU  - Anđelković, Violeta
AU  - Bauer, Iva
PY  - 2009
UR  - http://rik.mrizp.rs/handle/123456789/278
AB  - Since the mid 1960's, when the Maize Research Institute "Zemun Polje" began its maize breeding activities, there have been five cycles of selection primarily referring to the period of introducing new, higher-yield hybrids into mass production. This paper provides genetic characterization Of 30 maize hybrids developed by the Maize Research Institute "ZenlUn Polje", by RAID markers, in order to determine genetic relatedness of hybrids of different breeding cycles. The Jaccard similarity coefficients have been Computed and used for Cluster analysis by UPGMA and by Wards' method, discriminant analysis and correspondence analysis. Cluster analysis clearly delineates groups of hybrids by time cycles, while the correspondence analysis indicates that a division into three cycles Could be more adequate. The territorial map of the discrimination area, reduced to two dimensions, is an indication of the proximity between the cycles III and IV. Also the proximity of group centroids, of different cycles, by delineation lines indicates that the discrimination among groups is not so strong. The results Of all three analysis indicate that in genetic terms there -,ire three different selection cycles. Introduction of novel germ plasma into existing breeding material implies, in genetic terms, a beginning of new selection cycle.
PB  - Maydica-Ist Sper Cerealicoltur, Bergamo
T2  - Maydica
T1  - Genetic divergence of different temporal cycles of selection
VL  - 54
IS  - 2-3
SP  - 221
EP  - 228
ER  - 
@article{
author = "Babić, Milosav and Babić, Vojka and Filipović, Milomir and Anđelković, Violeta and Bauer, Iva",
year = "2009",
url = "http://rik.mrizp.rs/handle/123456789/278",
abstract = "Since the mid 1960's, when the Maize Research Institute "Zemun Polje" began its maize breeding activities, there have been five cycles of selection primarily referring to the period of introducing new, higher-yield hybrids into mass production. This paper provides genetic characterization Of 30 maize hybrids developed by the Maize Research Institute "ZenlUn Polje", by RAID markers, in order to determine genetic relatedness of hybrids of different breeding cycles. The Jaccard similarity coefficients have been Computed and used for Cluster analysis by UPGMA and by Wards' method, discriminant analysis and correspondence analysis. Cluster analysis clearly delineates groups of hybrids by time cycles, while the correspondence analysis indicates that a division into three cycles Could be more adequate. The territorial map of the discrimination area, reduced to two dimensions, is an indication of the proximity between the cycles III and IV. Also the proximity of group centroids, of different cycles, by delineation lines indicates that the discrimination among groups is not so strong. The results Of all three analysis indicate that in genetic terms there -,ire three different selection cycles. Introduction of novel germ plasma into existing breeding material implies, in genetic terms, a beginning of new selection cycle.",
publisher = "Maydica-Ist Sper Cerealicoltur, Bergamo",
journal = "Maydica",
title = "Genetic divergence of different temporal cycles of selection",
volume = "54",
number = "2-3",
pages = "221-228"
}
Babić M, Babić V, Filipović M, Anđelković V, Bauer I. Genetic divergence of different temporal cycles of selection. Maydica. 2009;54(2-3):221-228
Babić, M., Babić, V., Filipović, M., Anđelković, V.,& Bauer, I. (2009). Genetic divergence of different temporal cycles of selection.
MaydicaMaydica-Ist Sper Cerealicoltur, Bergamo., 54(2-3), 221-228.
Babić Milosav, Babić Vojka, Filipović Milomir, Anđelković Violeta, Bauer Iva, "Genetic divergence of different temporal cycles of selection" 54, no. 2-3 (2009):221-228

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