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- Title
Adaptability and stability of peach and nectarine cultivars in subtropical climate.
- Authors
Pires Matias, Rosana Gonçalves; Horst Bruckner, Claudio; Pereira da Silva, Danielle Fabíola; Souza Carneiro, Pedro Crescêncio; Alves de Oliveira, João Alison
- Abstract
Information on adaptability and stability of fruit production in different environments or years is crucial to increasing agricultural production potential. Therefore, the objective of this study was to evaluate whether there is interaction between cultivars and years, as well as to assess the stability of peach and nectarine cultivars regarding fruit fresh mass, SS/TA ratio, and cycle length in Viçosa --MG, Brazil. The characteristics fruit fresh mass (FM), soluble solids/titratable acidity ratio (SS/TA), and cycle length (CL) were evaluated in 28 cultivars of peach and two cultivars of nectarine from the orchard of the Universidade Federal de Viçosa, in 2011, 2012, and 2013. The methods used to determine the phenotypic stability across time were Eberhart & Russell (1966) and the Traditional. The interaction cultivars x years was significant for all traits. Cultivar 'Josefina' showed broad adaptability for SS/TA ratio, and cultivars 'Flordaprince' and 'Tropical' for cycle length. For favorable environments, the cultivars 'Capdebosq' and 'Maciel' are indicated regarding the characteristic fruit mass, and 'Coral' and 'Talismã' for SS/TA ratio. 'Rubimel' was adaptable to unfavorable environments regarding fruit mass.
- Subjects
PRUNUS; NECTARINE; GENOTYPE-environment interaction; FRUIT growing; PHYSIOLOGICAL adaptation; PLANTS
- Publication
Revista Ceres, 2017, Vol 64, Issue 5, p516
- ISSN
0034-737X
- Publication type
Article
- DOI
10.1590/0034-737X201764050009