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- Title
Adaptability, stability, and genetic divergence of conilon coffee in Alto Suaçuí, Minas Gerais, Brazil.
- Authors
Silva, Vânia Aparecida; Machado, Janaine Lopes; de Rezende, Juliana Costa; de Oliveira, Alexandrino Lopes; de Figueiredo, Ulisses José; Carvalho, Gladyston Rodrigues; Ferrão, Maria Amélia Gava; Guimarães, Rubens José
- 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.
- Subjects
BIOLOGICAL divergence; COFFEE growing; PLANT canopies; AGRONOMY; PLANT cloning
- Publication
Crop Breeding & Applied Biotechnology, 2017, Vol 17, Issue 1, p25
- ISSN
1518-7853
- Publication type
Article
- DOI
10.1590/1984-70332017v17n1a4