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Mode of inheritance and combining ability for plant height and head diameter in sunflower (helianthus annuus l.)

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2014
1325.pdf (113.7Kb)
Authors
Hladni, Nada
Miklič, Vladimir
Jocić, Siniša
Kraljević-Balalić, Marija
Škorić, Dragan
Article (Published version)
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Abstract
The development of sunflower hybrids with high genetic potential for seed and oil yields requires information on the general combining ability (GCA) and specific combining ability (SCA) for plant height and head diameter in the F-1 generation. Used in this study were thirteen new divergent cms inbred lines (A), three Rf restorers utilized as testers, and their F-1 hybrids. The inbred A-lines, Rf-testers and F-1 hybrids differed significantly in the mean values for plant height and head diameter. The mode of inheritance for plant height was superdominance of the better parent and for head diameter it was dominance and superdominance of the better parent. Highly significant positive values of GCA for both traits were found in cms inbred line NS-G-7 and restorer line RHA-N-49. Based on the GCA values chosen were lines with the best GCA for plant height (NS-G-9, NS-G-7) originating from PRA-RUN and head diameter (NS-G-13, NS-G-12) originating from DES. The greatest highly significant posit...ive SCA value was found in NS-G-1xRHA-N-49 for plant height and in NS-G-8xRUS-RF-OL-168 for head diameter. Non-additive genetic variance played the main role in the inheritance of both traits as confirmed by the GCA/SCA ratios in the F-1 generation, which were invariably smaller than unit. The female A lines had the highest contribution to the expression of head diameter and plant height.

Keywords:
combining ability / gene effect / head diameter / plant height / sunflower
Source:
Genetika-Belgrade, 2014, 46, 1, 159-168
Publisher:
  • Društvo genetičara Srbije, Beograd
Funding / projects:
  • Development of new varieties and production technology improvement of oil crops for different purposes (RS-31025)

DOI: 10.2298/GENSR1401159H

ISSN: 0534-0012

WoS: 000338930500016

Scopus: 2-s2.0-84900346377
[ Google Scholar ]
9
7
URI
http://fiver.ifvcns.rs/handle/123456789/1328
Collections
  • Radovi istraživača / Researchers' papers
Institution/Community
FiVeR
TY  - JOUR
AU  - Hladni, Nada
AU  - Miklič, Vladimir
AU  - Jocić, Siniša
AU  - Kraljević-Balalić, Marija
AU  - Škorić, Dragan
PY  - 2014
UR  - http://fiver.ifvcns.rs/handle/123456789/1328
AB  - The development of sunflower hybrids with high genetic potential for seed and oil yields requires information on the general combining ability (GCA) and specific combining ability (SCA) for plant height and head diameter in the F-1 generation. Used in this study were thirteen new divergent cms inbred lines (A), three Rf restorers utilized as testers, and their F-1 hybrids. The inbred A-lines, Rf-testers and F-1 hybrids differed significantly in the mean values for plant height and head diameter. The mode of inheritance for plant height was superdominance of the better parent and for head diameter it was dominance and superdominance of the better parent. Highly significant positive values of GCA for both traits were found in cms inbred line NS-G-7 and restorer line RHA-N-49. Based on the GCA values chosen were lines with the best GCA for plant height (NS-G-9, NS-G-7) originating from PRA-RUN and head diameter (NS-G-13, NS-G-12) originating from DES. The greatest highly significant positive SCA value was found in NS-G-1xRHA-N-49 for plant height and in NS-G-8xRUS-RF-OL-168 for head diameter. Non-additive genetic variance played the main role in the inheritance of both traits as confirmed by the GCA/SCA ratios in the F-1 generation, which were invariably smaller than unit. The female A lines had the highest contribution to the expression of head diameter and plant height.
PB  - Društvo genetičara Srbije, Beograd
T2  - Genetika-Belgrade
T1  - Mode of inheritance and combining ability for plant height and head diameter in sunflower (helianthus annuus l.)
EP  - 168
IS  - 1
SP  - 159
VL  - 46
DO  - 10.2298/GENSR1401159H
UR  - conv_2382
ER  - 
@article{
author = "Hladni, Nada and Miklič, Vladimir and Jocić, Siniša and Kraljević-Balalić, Marija and Škorić, Dragan",
year = "2014",
abstract = "The development of sunflower hybrids with high genetic potential for seed and oil yields requires information on the general combining ability (GCA) and specific combining ability (SCA) for plant height and head diameter in the F-1 generation. Used in this study were thirteen new divergent cms inbred lines (A), three Rf restorers utilized as testers, and their F-1 hybrids. The inbred A-lines, Rf-testers and F-1 hybrids differed significantly in the mean values for plant height and head diameter. The mode of inheritance for plant height was superdominance of the better parent and for head diameter it was dominance and superdominance of the better parent. Highly significant positive values of GCA for both traits were found in cms inbred line NS-G-7 and restorer line RHA-N-49. Based on the GCA values chosen were lines with the best GCA for plant height (NS-G-9, NS-G-7) originating from PRA-RUN and head diameter (NS-G-13, NS-G-12) originating from DES. The greatest highly significant positive SCA value was found in NS-G-1xRHA-N-49 for plant height and in NS-G-8xRUS-RF-OL-168 for head diameter. Non-additive genetic variance played the main role in the inheritance of both traits as confirmed by the GCA/SCA ratios in the F-1 generation, which were invariably smaller than unit. The female A lines had the highest contribution to the expression of head diameter and plant height.",
publisher = "Društvo genetičara Srbije, Beograd",
journal = "Genetika-Belgrade",
title = "Mode of inheritance and combining ability for plant height and head diameter in sunflower (helianthus annuus l.)",
pages = "168-159",
number = "1",
volume = "46",
doi = "10.2298/GENSR1401159H",
url = "conv_2382"
}
Hladni, N., Miklič, V., Jocić, S., Kraljević-Balalić, M.,& Škorić, D.. (2014). Mode of inheritance and combining ability for plant height and head diameter in sunflower (helianthus annuus l.). in Genetika-Belgrade
Društvo genetičara Srbije, Beograd., 46(1), 159-168.
https://doi.org/10.2298/GENSR1401159H
conv_2382
Hladni N, Miklič V, Jocić S, Kraljević-Balalić M, Škorić D. Mode of inheritance and combining ability for plant height and head diameter in sunflower (helianthus annuus l.). in Genetika-Belgrade. 2014;46(1):159-168.
doi:10.2298/GENSR1401159H
conv_2382 .
Hladni, Nada, Miklič, Vladimir, Jocić, Siniša, Kraljević-Balalić, Marija, Škorić, Dragan, "Mode of inheritance and combining ability for plant height and head diameter in sunflower (helianthus annuus l.)" in Genetika-Belgrade, 46, no. 1 (2014):159-168,
https://doi.org/10.2298/GENSR1401159H .,
conv_2382 .

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