Meta-analysis for heritability estimates of vegetative and reproductive traits of Coffea arabica L.
DOI:
https://doi.org/10.5433/1679-0359.2012v33n4p1291Keywords:
Combined Estimates, Genetic parameters, Variability.Abstract
The compilation of informations resulting from independent studies has been difficulted in almost all scientific fields, mainly due to the great number of scientific papers published in recent years. As a result, summarizing information became a need. In this context, a meta-analysis was conducted with the objective of summarizing the estimates for the heritability for vegetative and reproductive traits of coffee (Coffea arabica L.). Heritability estimates were appraised regarding the following traits: average height of plant, average diameter of the canopy, vegetative vigor, production of processed coffee, yield and rust. The data regarding the heritability estimates are from scientific articles published in national and international journals, congress annals, PhD thesis and Master dissertations. The technique of meta-analysis summarized the estimates heritability from different studies and made possible to conclude that all of the appraised traits are highly inherited, reflecting the great genetic variety of coffee plants, and that is possible to reach satisfactory genetic gains in improvement programs in which those traits are evaluated.
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