GGE biplot-based genetic selection to guide interspecific crossing in Corymbia spp.
ABSTRACT Tree breeders are prioritizing the increase of the interspecific diversity in the breeding programs due to the pronounced environmental changes, and expansion of the forest frontier to less productive areas. In this scenario, there is a growing interest for species of the genus Corymbia due to their good growth, resistance to biotic and abiotic factors, and industrial properties. Also, Corymbia spp. can cross with each other, generating interspecific hybrids. However, there are great difficulties on defining the best crosses. Thus, the objectives of this study were to evaluate the genetic variability of 64 progenies of Corymbia maculata and 64 progenies of Corymbia torelliana and to use the GGE biplot method to point the most appropriated crosses to broad and specific environments in order to generate stable and productive interspecific hybrids of C. maculata and C. torelliana. The GGE biplot was an efficient method for evaluating the genetic variability between progenies, for visualizing the genotype by environment interaction pattern and for identifying the best crosses in order to generate interspecific hybrids of the species. By adopting a selection intensity of 10%, the recommended progenies to generate interspecific hybrids for the Aracruz municipality (ARA) were 10, 40, 49, 64, 20, 9 and 47 of C. maculata and 24, 56, 41, 64, 43, 31 and 12 of C. torelliana. For Três Lagoas municipality (TLA), the recommended progenies were 11, 17, 1, 48, 7, 63 and 21 of C. maculata and 42, 46, 61, 44, 10, 63 and 28 of C. torelliana.
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Instituto Agronômico de Campinas
2021
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oai:scielo:S0006-870520210001002502021-10-05GGE biplot-based genetic selection to guide interspecific crossing in Corymbia spp.Ferreira,Filipe ManoelRocha,João Romero do Amaral Santos de CarvalhoAlves,Rodrigo SilvaMalikouski,Renan GarciaPeixoto,Marco AntônioOliveira,Suellen Sales deAguiar,Aurélio MendesBhering,Leonardo Lopes Corymbia hybrids genotypes environment interaction heterosis genetic selection ABSTRACT Tree breeders are prioritizing the increase of the interspecific diversity in the breeding programs due to the pronounced environmental changes, and expansion of the forest frontier to less productive areas. In this scenario, there is a growing interest for species of the genus Corymbia due to their good growth, resistance to biotic and abiotic factors, and industrial properties. Also, Corymbia spp. can cross with each other, generating interspecific hybrids. However, there are great difficulties on defining the best crosses. Thus, the objectives of this study were to evaluate the genetic variability of 64 progenies of Corymbia maculata and 64 progenies of Corymbia torelliana and to use the GGE biplot method to point the most appropriated crosses to broad and specific environments in order to generate stable and productive interspecific hybrids of C. maculata and C. torelliana. The GGE biplot was an efficient method for evaluating the genetic variability between progenies, for visualizing the genotype by environment interaction pattern and for identifying the best crosses in order to generate interspecific hybrids of the species. By adopting a selection intensity of 10%, the recommended progenies to generate interspecific hybrids for the Aracruz municipality (ARA) were 10, 40, 49, 64, 20, 9 and 47 of C. maculata and 24, 56, 41, 64, 43, 31 and 12 of C. torelliana. For Três Lagoas municipality (TLA), the recommended progenies were 11, 17, 1, 48, 7, 63 and 21 of C. maculata and 42, 46, 61, 44, 10, 63 and 28 of C. torelliana.info:eu-repo/semantics/openAccessInstituto Agronômico de CampinasBragantia v.80 20212021-01-01info:eu-repo/semantics/articletext/htmlhttp://old.scielo.br/scielo.php?script=sci_arttext&pid=S0006-87052021000100250en10.1590/1678-4499.20210195 |
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Ferreira,Filipe Manoel Rocha,João Romero do Amaral Santos de Carvalho Alves,Rodrigo Silva Malikouski,Renan Garcia Peixoto,Marco Antônio Oliveira,Suellen Sales de Aguiar,Aurélio Mendes Bhering,Leonardo Lopes |
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Ferreira,Filipe Manoel Rocha,João Romero do Amaral Santos de Carvalho Alves,Rodrigo Silva Malikouski,Renan Garcia Peixoto,Marco Antônio Oliveira,Suellen Sales de Aguiar,Aurélio Mendes Bhering,Leonardo Lopes GGE biplot-based genetic selection to guide interspecific crossing in Corymbia spp. |
author_facet |
Ferreira,Filipe Manoel Rocha,João Romero do Amaral Santos de Carvalho Alves,Rodrigo Silva Malikouski,Renan Garcia Peixoto,Marco Antônio Oliveira,Suellen Sales de Aguiar,Aurélio Mendes Bhering,Leonardo Lopes |
author_sort |
Ferreira,Filipe Manoel |
title |
GGE biplot-based genetic selection to guide interspecific crossing in Corymbia spp. |
title_short |
GGE biplot-based genetic selection to guide interspecific crossing in Corymbia spp. |
title_full |
GGE biplot-based genetic selection to guide interspecific crossing in Corymbia spp. |
title_fullStr |
GGE biplot-based genetic selection to guide interspecific crossing in Corymbia spp. |
title_full_unstemmed |
GGE biplot-based genetic selection to guide interspecific crossing in Corymbia spp. |
title_sort |
gge biplot-based genetic selection to guide interspecific crossing in corymbia spp. |
description |
ABSTRACT Tree breeders are prioritizing the increase of the interspecific diversity in the breeding programs due to the pronounced environmental changes, and expansion of the forest frontier to less productive areas. In this scenario, there is a growing interest for species of the genus Corymbia due to their good growth, resistance to biotic and abiotic factors, and industrial properties. Also, Corymbia spp. can cross with each other, generating interspecific hybrids. However, there are great difficulties on defining the best crosses. Thus, the objectives of this study were to evaluate the genetic variability of 64 progenies of Corymbia maculata and 64 progenies of Corymbia torelliana and to use the GGE biplot method to point the most appropriated crosses to broad and specific environments in order to generate stable and productive interspecific hybrids of C. maculata and C. torelliana. The GGE biplot was an efficient method for evaluating the genetic variability between progenies, for visualizing the genotype by environment interaction pattern and for identifying the best crosses in order to generate interspecific hybrids of the species. By adopting a selection intensity of 10%, the recommended progenies to generate interspecific hybrids for the Aracruz municipality (ARA) were 10, 40, 49, 64, 20, 9 and 47 of C. maculata and 24, 56, 41, 64, 43, 31 and 12 of C. torelliana. For Três Lagoas municipality (TLA), the recommended progenies were 11, 17, 1, 48, 7, 63 and 21 of C. maculata and 42, 46, 61, 44, 10, 63 and 28 of C. torelliana. |
publisher |
Instituto Agronômico de Campinas |
publishDate |
2021 |
url |
http://old.scielo.br/scielo.php?script=sci_arttext&pid=S0006-87052021000100250 |
work_keys_str_mv |
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