TY  - JOUR
AU  - Terzić, Sreten
AU  - Zorić, Miroslav
AU  - Seiler, Gerald
PY  - 2020
UR  - http://fiver.ifvcns.rs/handle/123456789/2476
AB  - The production of the first permanent, publicly available sunflower (Helianthus annuus L.) association mapping population (UGA-SAM1) provided material to test the usability of morphological descriptors for discriminating germplasm accessions. The objective of this study was to evaluate the phenotypic diversity in the UGA-SAM1 population and evaluate the usefulness of qualitative traits for the discrimination of genotypes. The SAM1 population consists of 285 accessions characterized for 20 morphological traits. The Shannon–Weaver diversity index (H′) was used to determine phenotypic diversity, whereas HOMALS (homogeneity analysis by alternating least squares) and association statistics were used to determine discriminative power of the descriptors. Phenotypic diversity was moderately high for the traits (0.74). The highest diversity was found in the less developed genotypes followed by non-oil genotypes. Pronounced associations in individual genotype groups and category traits, most notably for the maturity trait in the restorer line (RHA) oil group, resulted in both high association and diversity index values. The association test proved to be a useful addition to HOMALS analysis for determining the trait discriminative power. Adequate selection of traits used in germplasm evaluation can improve the efficiency of breeding programs, whereas the loss of variability could be lowered if diversity focused traits were used including leaf, seed, and certain flower traits, instead of only focusing on yield and quality.
PB  - Wiley, Hoboken
T2  - Crop Science
T1  - Qualitative traits in sunflower breeding: UGA-SAM1 phenotyping case study
EP  - 319
IS  - 1
SP  - 303
VL  - 60
DO  - 10.1002/csc2.20059
ER  - 

@article{
author = "Terzić, Sreten and Zorić, Miroslav and Seiler, Gerald",
year = "2020",
abstract = "The production of the first permanent, publicly available sunflower (Helianthus annuus L.) association mapping population (UGA-SAM1) provided material to test the usability of morphological descriptors for discriminating germplasm accessions. The objective of this study was to evaluate the phenotypic diversity in the UGA-SAM1 population and evaluate the usefulness of qualitative traits for the discrimination of genotypes. The SAM1 population consists of 285 accessions characterized for 20 morphological traits. The Shannon–Weaver diversity index (H′) was used to determine phenotypic diversity, whereas HOMALS (homogeneity analysis by alternating least squares) and association statistics were used to determine discriminative power of the descriptors. Phenotypic diversity was moderately high for the traits (0.74). The highest diversity was found in the less developed genotypes followed by non-oil genotypes. Pronounced associations in individual genotype groups and category traits, most notably for the maturity trait in the restorer line (RHA) oil group, resulted in both high association and diversity index values. The association test proved to be a useful addition to HOMALS analysis for determining the trait discriminative power. Adequate selection of traits used in germplasm evaluation can improve the efficiency of breeding programs, whereas the loss of variability could be lowered if diversity focused traits were used including leaf, seed, and certain flower traits, instead of only focusing on yield and quality.",
publisher = "Wiley, Hoboken",
journal = "Crop Science",
title = "Qualitative traits in sunflower breeding: UGA-SAM1 phenotyping case study",
pages = "319-303",
number = "1",
volume = "60",
doi = "10.1002/csc2.20059"
}

Terzić, S., Zorić, M.,& Seiler, G.. (2020). Qualitative traits in sunflower breeding: UGA-SAM1 phenotyping case study. in Crop Science
Wiley, Hoboken., 60(1), 303-319.
https://doi.org/10.1002/csc2.20059

Terzić S, Zorić M, Seiler G. Qualitative traits in sunflower breeding: UGA-SAM1 phenotyping case study. in Crop Science. 2020;60(1):303-319.
doi:10.1002/csc2.20059 .

Terzić, Sreten, Zorić, Miroslav, Seiler, Gerald, "Qualitative traits in sunflower breeding: UGA-SAM1 phenotyping case study" in Crop Science, 60, no. 1 (2020):303-319,
https://doi.org/10.1002/csc2.20059 . .

TY  - JOUR
AU  - Terzić, Sreten
AU  - Zorić, Miroslav
AU  - Seiler, Gerald J.
PY  - 2020
UR  - http://fiver.ifvcns.rs/handle/123456789/1982
AB  - The production of the first permanent, publicly available sunflower (Helianthus annuus L.) association mapping population (UGA-SAM1) provided material to test the usability of morphological descriptors for discriminating germplasm accessions. The objective of this study was to evaluate the phenotypic diversity in the UGA-SAM1 population and evaluate the usefulness of qualitative traits for the discrimination of genotypes. The SAM1 population consists of 285 accessions characterized for 20 morphological traits. The Shannon-Weaver diversity index (H') was used to determine phenotypic diversity, whereas HOMALS (homogeneity analysis by alternating least squares) and association statistics were used to determine discriminative power of the descriptors. Phenotypic diversity was moderately high for the traits (0.74). The highest diversity was found in the less developed genotypes followed by non-oil genotypes. Pronounced associations in individual genotype groups and category traits, most notably for the maturity trait in the restorer line (RHA) oil group, resulted in both high association and diversity index values. The association test proved to be a useful addition to HOMALS analysis for determining the trait discriminative power. Adequate selection of traits used in germplasm evaluation can improve the efficiency of breeding programs, whereas the loss of variability could be lowered if diversity focused traits were used including leaf, seed, and certain flower traits, instead of only focusing on yield and quality.
PB  - Wiley, Hoboken
T2  - Crop Science
T1  - Qualitative traits in sunflower breeding: UGA-SAM1 phenotyping case study
EP  - 319
IS  - 1
SP  - 303
VL  - 60
DO  - 10.1002/csc2.20059
ER  - 

@article{
author = "Terzić, Sreten and Zorić, Miroslav and Seiler, Gerald J.",
year = "2020",
abstract = "The production of the first permanent, publicly available sunflower (Helianthus annuus L.) association mapping population (UGA-SAM1) provided material to test the usability of morphological descriptors for discriminating germplasm accessions. The objective of this study was to evaluate the phenotypic diversity in the UGA-SAM1 population and evaluate the usefulness of qualitative traits for the discrimination of genotypes. The SAM1 population consists of 285 accessions characterized for 20 morphological traits. The Shannon-Weaver diversity index (H') was used to determine phenotypic diversity, whereas HOMALS (homogeneity analysis by alternating least squares) and association statistics were used to determine discriminative power of the descriptors. Phenotypic diversity was moderately high for the traits (0.74). The highest diversity was found in the less developed genotypes followed by non-oil genotypes. Pronounced associations in individual genotype groups and category traits, most notably for the maturity trait in the restorer line (RHA) oil group, resulted in both high association and diversity index values. The association test proved to be a useful addition to HOMALS analysis for determining the trait discriminative power. Adequate selection of traits used in germplasm evaluation can improve the efficiency of breeding programs, whereas the loss of variability could be lowered if diversity focused traits were used including leaf, seed, and certain flower traits, instead of only focusing on yield and quality.",
publisher = "Wiley, Hoboken",
journal = "Crop Science",
title = "Qualitative traits in sunflower breeding: UGA-SAM1 phenotyping case study",
pages = "319-303",
number = "1",
volume = "60",
doi = "10.1002/csc2.20059"
}

Terzić, S., Zorić, M.,& Seiler, G. J.. (2020). Qualitative traits in sunflower breeding: UGA-SAM1 phenotyping case study. in Crop Science
Wiley, Hoboken., 60(1), 303-319.
https://doi.org/10.1002/csc2.20059

Terzić S, Zorić M, Seiler GJ. Qualitative traits in sunflower breeding: UGA-SAM1 phenotyping case study. in Crop Science. 2020;60(1):303-319.
doi:10.1002/csc2.20059 .

Terzić, Sreten, Zorić, Miroslav, Seiler, Gerald J., "Qualitative traits in sunflower breeding: UGA-SAM1 phenotyping case study" in Crop Science, 60, no. 1 (2020):303-319,
https://doi.org/10.1002/csc2.20059 . .

TY  - JOUR
AU  - Terzić, Sreten
AU  - Boniface, Marie-Claude
AU  - Marek, Laura F.
AU  - Alvarez, Daniel
AU  - Baumann, Karin
AU  - Gavrilova, Vera
AU  - Joita-Pacureanu, Maria
AU  - Mulpuri, Sujatha
AU  - Valkova, Daniela
AU  - Velasco, Leonardo
AU  - Hulke, Brent
AU  - Jocić, Siniša
AU  - Langlade, Nicolas
AU  - Munos, Stephane
AU  - Rieseberg, Loren
AU  - Seiler, Gerald J.
AU  - Vear, Felicity
PY  - 2020
UR  - http://fiver.ifvcns.rs/handle/123456789/2189
AB  - Modern breeding of sunflower (Helianthus annuus L.), which started 100 years ago, increased the number and the diversity of cultivated forms. In addition, for more than 50 years, wild sunflower and other Helianthus species have been collected in North America where they all originated. Collections of both cultivated and wild forms are maintained in gene banks in many countries where sunflower is an important crop, with some specificity according to the availability of germplasm and to local research and breeding programmes. Cultivated material includes land races, open pollinated varieties, synthetics and inbred lines. The majority of wild accessions are ecotypes of wild Helianthus annuus, but also 52 other species of Helianthus and a few related genera. The activities of three gene banks, in USA, France and Serbia, are described in detail, supplemented by data from seven other countries. Past and future uses of the genetic resources for environmental adaptation and breeding are discussed in relation to genomic and improved phenotypic knowledge of the cultivated and wild accessions available in the gene banks.
AB  - L’amélioration moderne du tournesol (Helianthus annuus L.) a débuté il y a un siècle, diversifiant et augmentant le nombre des formes cultivées du tournesol. De plus, des collectes de tournesols sauvages et d’espèces du genre Helianthus ont lieu depuis 50 ans en Amérique du Nord d’où ils sont tous originaires. Ainsi, des collections de tournesols cultivés et sauvages sont conservées par des centres de ressources génétiques dans de nombreux pays où le tournesol est une culture importante. Chacun d’eux présente des spécificités par rapport aux ressources génétiques maintenues, en fonction des programmes de recherche ou de sélection variétale locales. Le matériel génétique cultivé comprend des écotypes, des populations et des lignées tandis que les accessions sauvages correspondent eux écotypes d’Helianthus annuus sauvages et des 52 autres espèces apparentées du genre Helianthus. Les activités de trois centres de ressources génétiques des États-Unis, de la France et de la Serbie sont décrites en détail, complétées par des données provenant des centres de sept autres pays. L’historique de l’utilisation des ressources génétiques et les perspectives futures pour l’adaptation des variétés à l’environnement sont discutés ainsi que leur caractérisation au niveau génomique et phénotypique.
PB  - EDP Sciences
T2  - OCL Oilseeds and fats, Crops and Lipids
T1  - Gene banks for wild and cultivated sunflower genetic resources
EP  - 14
IS  - 9
SP  - 1
VL  - 27
DO  - 10.1051/ocl/2020004
ER  - 

@article{
author = "Terzić, Sreten and Boniface, Marie-Claude and Marek, Laura F. and Alvarez, Daniel and Baumann, Karin and Gavrilova, Vera and Joita-Pacureanu, Maria and Mulpuri, Sujatha and Valkova, Daniela and Velasco, Leonardo and Hulke, Brent and Jocić, Siniša and Langlade, Nicolas and Munos, Stephane and Rieseberg, Loren and Seiler, Gerald J. and Vear, Felicity",
year = "2020",
abstract = "Modern breeding of sunflower (Helianthus annuus L.), which started 100 years ago, increased the number and the diversity of cultivated forms. In addition, for more than 50 years, wild sunflower and other Helianthus species have been collected in North America where they all originated. Collections of both cultivated and wild forms are maintained in gene banks in many countries where sunflower is an important crop, with some specificity according to the availability of germplasm and to local research and breeding programmes. Cultivated material includes land races, open pollinated varieties, synthetics and inbred lines. The majority of wild accessions are ecotypes of wild Helianthus annuus, but also 52 other species of Helianthus and a few related genera. The activities of three gene banks, in USA, France and Serbia, are described in detail, supplemented by data from seven other countries. Past and future uses of the genetic resources for environmental adaptation and breeding are discussed in relation to genomic and improved phenotypic knowledge of the cultivated and wild accessions available in the gene banks., L’amélioration moderne du tournesol (Helianthus annuus L.) a débuté il y a un siècle, diversifiant et augmentant le nombre des formes cultivées du tournesol. De plus, des collectes de tournesols sauvages et d’espèces du genre Helianthus ont lieu depuis 50 ans en Amérique du Nord d’où ils sont tous originaires. Ainsi, des collections de tournesols cultivés et sauvages sont conservées par des centres de ressources génétiques dans de nombreux pays où le tournesol est une culture importante. Chacun d’eux présente des spécificités par rapport aux ressources génétiques maintenues, en fonction des programmes de recherche ou de sélection variétale locales. Le matériel génétique cultivé comprend des écotypes, des populations et des lignées tandis que les accessions sauvages correspondent eux écotypes d’Helianthus annuus sauvages et des 52 autres espèces apparentées du genre Helianthus. Les activités de trois centres de ressources génétiques des États-Unis, de la France et de la Serbie sont décrites en détail, complétées par des données provenant des centres de sept autres pays. L’historique de l’utilisation des ressources génétiques et les perspectives futures pour l’adaptation des variétés à l’environnement sont discutés ainsi que leur caractérisation au niveau génomique et phénotypique.",
publisher = "EDP Sciences",
journal = "OCL Oilseeds and fats, Crops and Lipids",
title = "Gene banks for wild and cultivated sunflower genetic resources",
pages = "14-1",
number = "9",
volume = "27",
doi = "10.1051/ocl/2020004"
}

Terzić, S., Boniface, M., Marek, L. F., Alvarez, D., Baumann, K., Gavrilova, V., Joita-Pacureanu, M., Mulpuri, S., Valkova, D., Velasco, L., Hulke, B., Jocić, S., Langlade, N., Munos, S., Rieseberg, L., Seiler, G. J.,& Vear, F.. (2020). Gene banks for wild and cultivated sunflower genetic resources. in OCL Oilseeds and fats, Crops and Lipids
EDP Sciences., 27(9), 1-14.
https://doi.org/10.1051/ocl/2020004

Terzić S, Boniface M, Marek LF, Alvarez D, Baumann K, Gavrilova V, Joita-Pacureanu M, Mulpuri S, Valkova D, Velasco L, Hulke B, Jocić S, Langlade N, Munos S, Rieseberg L, Seiler GJ, Vear F. Gene banks for wild and cultivated sunflower genetic resources. in OCL Oilseeds and fats, Crops and Lipids. 2020;27(9):1-14.
doi:10.1051/ocl/2020004 .

Terzić, Sreten, Boniface, Marie-Claude, Marek, Laura F., Alvarez, Daniel, Baumann, Karin, Gavrilova, Vera, Joita-Pacureanu, Maria, Mulpuri, Sujatha, Valkova, Daniela, Velasco, Leonardo, Hulke, Brent, Jocić, Siniša, Langlade, Nicolas, Munos, Stephane, Rieseberg, Loren, Seiler, Gerald J., Vear, Felicity, "Gene banks for wild and cultivated sunflower genetic resources" in OCL Oilseeds and fats, Crops and Lipids, 27, no. 9 (2020):1-14,
https://doi.org/10.1051/ocl/2020004 . .