An interdisciplinary approach for evaluating beverage quality in Coffea canephora
Lucimara C DE Souza1, Maria Amélia G Ferrão2, Aymbiré Francisco A DA Fonseca2
1Universidade Federal de Lavras, Departamento de Biologia, Instituto de Ciências Naturais, Trevo Rotatório Professor Edmir Sá Santos, s/n, Campus Universitário, 37200-900 Lavras, MG, Brazil.
This study assessed Conilon coffee (Coffea canephora) quality using agronomic, genetic, and sensory data. Thirty-four promising genotypes were identified, with HS17 showing exceptional genetic divergence.
Area of Science:
- Agronomy
- Plant Breeding
- Food Science
Background:
- Conilon coffee (Coffea canephora) quality is influenced by a complex interplay of genetic and environmental factors.
- Assessing genetic diversity and agronomic performance is crucial for breeding superior coffee varieties.
- Understanding physicochemical and sensory profiles guides selection for improved coffee quality.
Purpose of the Study:
- To evaluate the quality of 107 Conilon coffee genotypes using agronomic, physicochemical, sensory, and molecular data.
- To identify promising coffee genotypes with high genetic diversity and desirable traits.
- To recommend molecular markers for future quantitative trait loci (QTL) mapping.
Main Methods:
- Evaluated 107 coffee genotypes for 30 agronomic and physicochemical traits.
- Analyzed 14 SSR markers to assess genetic variability.
- Conducted sensory evaluations and determined bioactive compound levels (chlorogenic acids, caffeine).
Main Results:
- Significant genetic variability was observed among genotypes.
- 34 genotypes scored above 80 in sensory evaluations, indicating high quality.
- HS17 progeny exhibited the greatest divergence in agronomic and genetic traits.
Conclusions:
- Identified 34 promising Conilon coffee genotypes for breeding programs.
- Highlighted the potential of specific genotypes for maximizing heterosis and genetic diversity.
- Recommended 13 SSR markers for association mapping to identify QTLs for important traits.
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