Adaptability, stability, and genetic divergence of conilon coffee in Alto Suaçuí, Minas Gerais, Brazil
Abstract The objective of this study was to describe the genetic parameters, adaptability, and stability of clones from the Coffea canephora variety ‘Vitória Incaper 8142’, and the genetic divergence between them. Following 12 and 24 months of plant growth, several traits were evaluated, including stem diameter, plant height, canopy diameter, number of plagiotropic branches, and number of nodes per plagiotropic branch. The agronomic performance of four crops was determined using measurements of productivity, yield, percentage of floating grains, and grade of the beans. Variability was observed between the clones for the majority of the traits measured. The clones V7, V10, V12, and V13 were the most stable and displayed the highest degree of adaptation for the studied traits, and thus these clones will be used to establish a base population suited to the growing conditions in Alto Suaçuí, Minas Gerais, Brazil. Additionally, the genetic dissimilarity identified between clones allowed suitable clone combinations to be proposed for use in future crosses.
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Crop Breeding and Applied Biotechnology
2017
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oai:scielo:S1984-703320170001000252017-02-14Adaptability, stability, and genetic divergence of conilon coffee in Alto Suaçuí, Minas Gerais, BrazilSilva,Vânia AparecidaMachado,Janaine LopesRezende,Juliana Costa deOliveira,Alexandrino Lopes deFigueiredo,Ulisses José deCarvalho,Gladyston RodriguesFerrão,Maria Amélia GavaGuimarães,Rubens José Coffea canephora mixed models clones MHPRVG method genetic dissimilarity Abstract The objective of this study was to describe the genetic parameters, adaptability, and stability of clones from the Coffea canephora variety ‘Vitória Incaper 8142’, and the genetic divergence between them. Following 12 and 24 months of plant growth, several traits were evaluated, including stem diameter, plant height, canopy diameter, number of plagiotropic branches, and number of nodes per plagiotropic branch. The agronomic performance of four crops was determined using measurements of productivity, yield, percentage of floating grains, and grade of the beans. Variability was observed between the clones for the majority of the traits measured. The clones V7, V10, V12, and V13 were the most stable and displayed the highest degree of adaptation for the studied traits, and thus these clones will be used to establish a base population suited to the growing conditions in Alto Suaçuí, Minas Gerais, Brazil. Additionally, the genetic dissimilarity identified between clones allowed suitable clone combinations to be proposed for use in future crosses.info:eu-repo/semantics/openAccessCrop Breeding and Applied BiotechnologyCrop Breeding and Applied Biotechnology v.17 n.1 20172017-03-01info:eu-repo/semantics/articletext/htmlhttp://old.scielo.br/scielo.php?script=sci_arttext&pid=S1984-70332017000100025en10.1590/1984-70332017v17n1a4 |
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Silva,Vânia Aparecida Machado,Janaine Lopes Rezende,Juliana Costa de Oliveira,Alexandrino Lopes de Figueiredo,Ulisses José de Carvalho,Gladyston Rodrigues Ferrão,Maria Amélia Gava Guimarães,Rubens José |
| spellingShingle |
Silva,Vânia Aparecida Machado,Janaine Lopes Rezende,Juliana Costa de Oliveira,Alexandrino Lopes de Figueiredo,Ulisses José de Carvalho,Gladyston Rodrigues Ferrão,Maria Amélia Gava Guimarães,Rubens José Adaptability, stability, and genetic divergence of conilon coffee in Alto Suaçuí, Minas Gerais, Brazil |
| author_facet |
Silva,Vânia Aparecida Machado,Janaine Lopes Rezende,Juliana Costa de Oliveira,Alexandrino Lopes de Figueiredo,Ulisses José de Carvalho,Gladyston Rodrigues Ferrão,Maria Amélia Gava Guimarães,Rubens José |
| author_sort |
Silva,Vânia Aparecida |
| title |
Adaptability, stability, and genetic divergence of conilon coffee in Alto Suaçuí, Minas Gerais, Brazil |
| title_short |
Adaptability, stability, and genetic divergence of conilon coffee in Alto Suaçuí, Minas Gerais, Brazil |
| title_full |
Adaptability, stability, and genetic divergence of conilon coffee in Alto Suaçuí, Minas Gerais, Brazil |
| title_fullStr |
Adaptability, stability, and genetic divergence of conilon coffee in Alto Suaçuí, Minas Gerais, Brazil |
| title_full_unstemmed |
Adaptability, stability, and genetic divergence of conilon coffee in Alto Suaçuí, Minas Gerais, Brazil |
| title_sort |
adaptability, stability, and genetic divergence of conilon coffee in alto suaçuí, minas gerais, brazil |
| description |
Abstract The objective of this study was to describe the genetic parameters, adaptability, and stability of clones from the Coffea canephora variety ‘Vitória Incaper 8142’, and the genetic divergence between them. Following 12 and 24 months of plant growth, several traits were evaluated, including stem diameter, plant height, canopy diameter, number of plagiotropic branches, and number of nodes per plagiotropic branch. The agronomic performance of four crops was determined using measurements of productivity, yield, percentage of floating grains, and grade of the beans. Variability was observed between the clones for the majority of the traits measured. The clones V7, V10, V12, and V13 were the most stable and displayed the highest degree of adaptation for the studied traits, and thus these clones will be used to establish a base population suited to the growing conditions in Alto Suaçuí, Minas Gerais, Brazil. Additionally, the genetic dissimilarity identified between clones allowed suitable clone combinations to be proposed for use in future crosses. |
| publisher |
Crop Breeding and Applied Biotechnology |
| publishDate |
2017 |
| url |
http://old.scielo.br/scielo.php?script=sci_arttext&pid=S1984-70332017000100025 |
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