Assessment of phenotypic variability among EEA INTA Pergamino sunflower lines: Its relationship with the grain yield and oil content☆
The aims of the present study were to assess the phenotypic diversity among 221 sunflower accessions of INTA Pergamino Sunflower Breeding Program, to obtain discriminant functions that allow the classification of new accessions in similar groups and to evaluate the relationship between genetic dista...
| Main Authors: | , , |
|---|---|
| Format: | Article |
| Language: | English |
| Published: |
EDP Sciences
2021-01-01
|
| Series: | Oilseeds and fats, crops and lipids |
| Subjects: | |
| Online Access: | https://www.ocl-journal.org/articles/ocl/full_html/2021/01/ocl210013/ocl210013.html |
| _version_ | 1818605890551414784 |
|---|---|
| author | Domínguez Matías Herrera Stefanía González Julio Horacio |
| author_facet | Domínguez Matías Herrera Stefanía González Julio Horacio |
| author_sort | Domínguez Matías |
| collection | DOAJ |
| description | The aims of the present study were to assess the phenotypic diversity among 221 sunflower accessions of INTA Pergamino Sunflower Breeding Program, to obtain discriminant functions that allow the classification of new accessions in similar groups and to evaluate the relationship between genetic distance pairwise accessions and hybrid performance for grain yield and oil content. We used 19 quantitative descriptors to evaluate phenotypic and morphological variability. Principal Component Analysis (PCA) and Hierarchical Cluster Analysis (HCA) were used to evaluate simultaneously all the variables and to describe phenotypic variation patterns of the germplasm. The distribution of germplasm in the dendrogram did not follow a clear pattern with regard to the predefined groups. This study revealed the variability observed among the lines that form the INTA Pergamino breeding program despite the highly selective forces applied to obtain inbred lines that produce superior hybrids for the Argentinean sunflower area. This work demonstrates the need for more in-depth study of genetic variability to be used as a predictor of heterosis in sunflower. |
| first_indexed | 2024-12-16T14:02:09Z |
| format | Article |
| id | doaj.art-e2e827f474e84f7ea08e410f92cd3f9c |
| institution | Directory Open Access Journal |
| issn | 2272-6977 2257-6614 |
| language | English |
| last_indexed | 2024-12-16T14:02:09Z |
| publishDate | 2021-01-01 |
| publisher | EDP Sciences |
| record_format | Article |
| series | Oilseeds and fats, crops and lipids |
| spelling | doaj.art-e2e827f474e84f7ea08e410f92cd3f9c2022-12-21T22:29:04ZengEDP SciencesOilseeds and fats, crops and lipids2272-69772257-66142021-01-01283310.1051/ocl/2021021ocl210013Assessment of phenotypic variability among EEA INTA Pergamino sunflower lines: Its relationship with the grain yield and oil content☆Domínguez Matíashttps://orcid.org/0000-0003-0210-7533Herrera Stefanía0https://orcid.org/0000-0003-4560-8477González Julio Horacio1Universidad Nacional del Noroeste de Buenos AiresInstituto Nacional de Tecnología Agropecuaria, Estación Experimental AgropecuariaThe aims of the present study were to assess the phenotypic diversity among 221 sunflower accessions of INTA Pergamino Sunflower Breeding Program, to obtain discriminant functions that allow the classification of new accessions in similar groups and to evaluate the relationship between genetic distance pairwise accessions and hybrid performance for grain yield and oil content. We used 19 quantitative descriptors to evaluate phenotypic and morphological variability. Principal Component Analysis (PCA) and Hierarchical Cluster Analysis (HCA) were used to evaluate simultaneously all the variables and to describe phenotypic variation patterns of the germplasm. The distribution of germplasm in the dendrogram did not follow a clear pattern with regard to the predefined groups. This study revealed the variability observed among the lines that form the INTA Pergamino breeding program despite the highly selective forces applied to obtain inbred lines that produce superior hybrids for the Argentinean sunflower area. This work demonstrates the need for more in-depth study of genetic variability to be used as a predictor of heterosis in sunflower.https://www.ocl-journal.org/articles/ocl/full_html/2021/01/ocl210013/ocl210013.htmlsunflowerbreedinggenetic variabilityheterosis |
| spellingShingle | Domínguez Matías Herrera Stefanía González Julio Horacio Assessment of phenotypic variability among EEA INTA Pergamino sunflower lines: Its relationship with the grain yield and oil content☆ Oilseeds and fats, crops and lipids sunflower breeding genetic variability heterosis |
| title | Assessment of phenotypic variability among EEA INTA Pergamino sunflower lines: Its relationship with the grain yield and oil content☆ |
| title_full | Assessment of phenotypic variability among EEA INTA Pergamino sunflower lines: Its relationship with the grain yield and oil content☆ |
| title_fullStr | Assessment of phenotypic variability among EEA INTA Pergamino sunflower lines: Its relationship with the grain yield and oil content☆ |
| title_full_unstemmed | Assessment of phenotypic variability among EEA INTA Pergamino sunflower lines: Its relationship with the grain yield and oil content☆ |
| title_short | Assessment of phenotypic variability among EEA INTA Pergamino sunflower lines: Its relationship with the grain yield and oil content☆ |
| title_sort | assessment of phenotypic variability among eea inta pergamino sunflower lines its relationship with the grain yield and oil content☆ |
| topic | sunflower breeding genetic variability heterosis |
| url | https://www.ocl-journal.org/articles/ocl/full_html/2021/01/ocl210013/ocl210013.html |
| work_keys_str_mv | AT dominguezmatias assessmentofphenotypicvariabilityamongeeaintapergaminosunflowerlinesitsrelationshipwiththegrainyieldandoilcontent AT herrerastefania assessmentofphenotypicvariabilityamongeeaintapergaminosunflowerlinesitsrelationshipwiththegrainyieldandoilcontent AT gonzalezjuliohoracio assessmentofphenotypicvariabilityamongeeaintapergaminosunflowerlinesitsrelationshipwiththegrainyieldandoilcontent |