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- Title
Genetic parameters in melon sub-accessions from traditional agriculture.
- Authors
de Amorim, Clisneide C.; de Queiróz, Manoel A.; Barbosa, Bárbara L. R.; Coutinho, Milena dos S.; Lima Neto, Izaias da S.
- Abstract
Family farming in Brazil holds a high diversity of melon germplasm, composing an important source of alleles for breeding programs. Thus, the objective of this study was to estimate genetic parameters and select genotypes from a population of melon sub-accessions from different botanical varieties grown by family farmers, based on morphological parameters. Two experiments were conducted, one in 2019 and another in 2020, in a complete randomized block design, with three replications and five plants per plot, using 27 melon sub-accessions (generation S2) from family farmers, and a commercial variety. Nine quantitative descriptors were evaluated. Assumptions of ANOVA were tested, followed by individual and joint analyses of variance. Significant differences were found among sub-accessions for all descriptors evaluated, with heritabilities higher than 83% and significant genotype-environment interactions for 88.8% of the characteristics evaluated. Thus, genetic variability was found among sub-accessions, with predominance of genetic effects over environmental effects, denoting the possibility to obtain genetic gains by the improvement of several characteristics of agronomic interest. The sub-accessions BGMEL66.0, BGMEL111.0, and BGMEL112.0 are recommended for inclusion in breeding programs focused on obtaining good prolificacy and small fruits with high soluble solid contents. BGMEL sub-accessions (108.3 and 108.5) can generate progenies with high prolificacy, and subaccessions of the variety momordica can be used for generation of progenies focused on shortening the crop cycle and increasing fruit size.
- Subjects
BRAZIL; TRADITIONAL farming; GENOTYPE-environment interaction; MELONS; MUSKMELON; GENETIC variation; BLOCK designs
- Publication
Revista Caatinga, 2023, Vol 36, Issue 2, p320
- ISSN
0100-316X
- Publication type
Article
- DOI
10.1590/1983-21252023v36n209rc