Native Cherimoya Trees with Commercial Potential from Southern Ecuador

The cherimoya is a plant resource of high genetic and economic value. However, in Ecuador, it remains poorly documented, particularly under the restrictive orographic and climatic conditions of the Andean region. The lack of information limits the use of native materials in breeding and conservation programs. Therefore, this study evaluated native cherimoya populations using standardized fruit quality descriptors to quantify existing variability and identify promising native morphotypes. Hierarchical clustering was used to identify groups with similar traits. PCA captured the characteristics of the fruits that contribute to variability, while the multi-character index determined the traits that contribute to fruit quality. Remarkable diversity in commercial attributes, including pulp yield, fruit weight, and sweetness–acidity balance, was identified. Clusters highlighted the morphotypes LMPB04, SUMB04, and PTA01, from Loja, Saraguro, and Paltas, respectively, as having the highest titratable acidity and fruit weight. In contrast, the multi-character index prioritized the pulp/seed and SS/TA ratio, identifying potential in EACAD01 and LYHA01 from Espíndola and Loja, respectively. These results demonstrated the existence of superior cherimoya individuals adapted to Andean conditions and provide a basis for developing high-quality, promising material that meets local and international market demands.