Evaluación del potencial de rendimiento de accesiones de papas nativas tardías con fertilización química en Honorato Vásquez

Abstract

The present research aimed to assess the yield potential of five late-native potato accessions (Solanum tuberosum L.) under the influence of different levels of chemical fertilization. To achieve this, an experimental methodology was employed, utilizing a bifactorial design. Five late-native potato accessions were used, namely Suscaleña Blanca (V1. AMMM-24), Suscaleña Morada (V2. MM-70), Jubaleña (V3. AMCC-032), Bolona Amarilla (V4. AMHLMM-13), and Super Chola (V5. CONTROL). The results revealed that during the vegetative stage, the number of emerged potato plants, the percentage of emergence, and the number of days until 50% flowering showed variations among the potato varieties analyzed. Meanwhile, during the harvest stage, the number of harvested potato plants, as well as the weight of both commercial and seed potatoes, were influenced by the type of fertilization and the potato variety. Furthermore, the highest yield was obtained with the treatment of Suscaleña Blanca and 100% chemical fertilization, with a value of 55.44 t/ha. Finally, it was determined that the highest Cost-Benefit (C/B) ratio was associated with treatment F2V2 (Suscaleña Morada and 75% chemical fertilization) with a value of 1.88, followed by F3V4 (Bolona Amarilla and 50% chemical fertilization) with a value of 1.72.