González-Berrocales, Kelvin E.

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    Evaluación de características hortícolas de cinco líneas avanzadas de ají dulce (Capsicum chinense Jacq.)
    (2018-05) González-Berrocales, Kelvin E.; Wessel-Beaver, Linda; College of Agricultural Sciences; Brunner Fulton, Bryan; Feliciano Rivera, Merari; Vargas, Roberto; Department of Crops and Agro-Environmental Sciences; Pagán, Solangie
    Sweet chili is the sixth most important vegetable in Puerto Rico. It is used to make “sofrito”, an important ingredient in Puerto Rican cuisine. The production of this vegetable depends on the planting of cultivars adapted to the conditions of the island but little data is available about advanced lines recently developed by the UPR Agricultural Experiment Station, In this study, five of those advanced lines were tested: ‘Amanecer’, ‘Bonanza’, ‘Carnaval’, ‘Encanto’ and ‘Pasión’. These were planted in four locations: Isabela, Lajas, Mayagüez and Juana Díaz. Within a particular location, there were no significant differences among lines for height, yield or number of fruit. Average yield across locations was 8901 kg·ha-1. Fruits of ‘Amanecer’ had a trumpet shape while the fruits of the other lines had a flat shape. Pericarp thickness varied between 1.7 mm and 4.3 mm; ‘Carnaval’ had a pericarp thickness greater than that of the other lines. Fruit color was mostly green-yellow for immature fruits and red-orange for ripe fruits. In immature fruits as well as in mature fruits, ‘Pasión’ tended to have a color distinct from that of other lines. This line had a high hue angle (11.22) and low values for L* (38.55) and chroma (38.53), indicating less luminosity and a green color that was less saturated or intense compared to the other lines. In mature fruits, ‘Pasión’ had a lower hue angle (29.02) than the other lines, indicating a redder color. Again the luminosity (L * = 30.27) and chroma (42.89) of ‘Pasión’ were low, indicating that this line has dull fruits that do not present much color saturation. Although there were some differences between the lines, all are considered acceptable for cultivation in Puerto Rico.