<b>Parental selection for the formation of interspecific hybrid populations of oil palm
The objective of this work was to select families with superior performance and large genetic variability for diallel crosses for potential use in the pre-breeding of oil palm. The experiment consisted of 42 full-sib families divided into three trials with 16 families and 3 witnesses in common in ra...
| Main Authors: | , , , |
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| Format: | Article |
| Language: | English |
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Eduem (Editora da Universidade Estadual de Maringá)
2015-05-01
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| Series: | Acta Scientiarum: Agronomy |
| Subjects: | |
| Online Access: | http://186.233.154.254/ojs/index.php/ActaSciAgron/article/view/19145 |
| _version_ | 1818941149690200064 |
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| author | Leonardo de Azevedo Peixoto Leonardo Lopes Bhering Fábio de Lima Gurgel Rui Alberto Gomes Junior |
| author_facet | Leonardo de Azevedo Peixoto Leonardo Lopes Bhering Fábio de Lima Gurgel Rui Alberto Gomes Junior |
| author_sort | Leonardo de Azevedo Peixoto |
| collection | DOAJ |
| description | The objective of this work was to select families with superior performance and large genetic variability for diallel crosses for potential use in the pre-breeding of oil palm. The experiment consisted of 42 full-sib families divided into three trials with 16 families and 3 witnesses in common in randomized blocks, with four blocks and 12 plants per block. The characteristics evaluated in the experiment were number of bunches per plant (NBP), bunch weight per plant (BWP) and bunch average weight per plant (BAW). The estimation of variance components showed that there was greater genetic variance within families than between families. The heritability for all traits was high, above 0.75, and the coefficient of environmental variation was low to moderate for all traits (between 4 and 13). Tocher’s method separated families into seven groups, whereas the UPGMA method identified six groups. To use the best families in diallel crosses, families 15, 14, 22, 21, 28, 37, 33 and 39 were selected based on individual performance as determined by the Scott-Knott test and genetic diversity by grouping. |
| first_indexed | 2024-12-20T06:50:57Z |
| format | Article |
| id | doaj.art-e314e8fa479b4f2e9f520631755e4d19 |
| institution | Directory Open Access Journal |
| issn | 1679-9275 1807-8621 |
| language | English |
| last_indexed | 2024-12-20T06:50:57Z |
| publishDate | 2015-05-01 |
| publisher | Eduem (Editora da Universidade Estadual de Maringá) |
| record_format | Article |
| series | Acta Scientiarum: Agronomy |
| spelling | doaj.art-e314e8fa479b4f2e9f520631755e4d192022-12-21T19:49:34ZengEduem (Editora da Universidade Estadual de Maringá)Acta Scientiarum: Agronomy1679-92751807-86212015-05-0137215516110.4025/actasciagron.v37i2.1914511495<b>Parental selection for the formation of interspecific hybrid populations of oil palmLeonardo de Azevedo Peixoto0Leonardo Lopes Bhering1Fábio de Lima Gurgel2Rui Alberto Gomes Junior3Universidade Federal de ViçosaUniversidade Federal de ViçosaEmbrapa Amazônia OrientalEmbrapa Amazônia OrientalThe objective of this work was to select families with superior performance and large genetic variability for diallel crosses for potential use in the pre-breeding of oil palm. The experiment consisted of 42 full-sib families divided into three trials with 16 families and 3 witnesses in common in randomized blocks, with four blocks and 12 plants per block. The characteristics evaluated in the experiment were number of bunches per plant (NBP), bunch weight per plant (BWP) and bunch average weight per plant (BAW). The estimation of variance components showed that there was greater genetic variance within families than between families. The heritability for all traits was high, above 0.75, and the coefficient of environmental variation was low to moderate for all traits (between 4 and 13). Tocher’s method separated families into seven groups, whereas the UPGMA method identified six groups. To use the best families in diallel crosses, families 15, 14, 22, 21, 28, 37, 33 and 39 were selected based on individual performance as determined by the Scott-Knott test and genetic diversity by grouping.http://186.233.154.254/ojs/index.php/ActaSciAgron/article/view/19145Elaeis guineensiscluster analysisgenetic diversity |
| spellingShingle | Leonardo de Azevedo Peixoto Leonardo Lopes Bhering Fábio de Lima Gurgel Rui Alberto Gomes Junior <b>Parental selection for the formation of interspecific hybrid populations of oil palm Acta Scientiarum: Agronomy Elaeis guineensis cluster analysis genetic diversity |
| title | <b>Parental selection for the formation of interspecific hybrid populations of oil palm |
| title_full | <b>Parental selection for the formation of interspecific hybrid populations of oil palm |
| title_fullStr | <b>Parental selection for the formation of interspecific hybrid populations of oil palm |
| title_full_unstemmed | <b>Parental selection for the formation of interspecific hybrid populations of oil palm |
| title_short | <b>Parental selection for the formation of interspecific hybrid populations of oil palm |
| title_sort | b parental selection for the formation of interspecific hybrid populations of oil palm |
| topic | Elaeis guineensis cluster analysis genetic diversity |
| url | http://186.233.154.254/ojs/index.php/ActaSciAgron/article/view/19145 |
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