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Vânia Aparecida Silva, Janaine Lopes Machado, Juliana Costa de Rezende, Alexandrino Lopes de Oliveira, Ulisses José de Figueiredo, Gladyston Rodrigues Carvalho, Maria Amélia Gava Ferrão and Rubens José Guimarães

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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