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Abstract
The manzano chili is native to South America. It is characterized by having a fleshy pulp and is very popular in Latin American cuisine. In the state of Chihuahua, Mexico, Chili peppers of the jalapeño, serrano, chilaca and cayenne varieties are grown, while the manzano chili can be an option for greenhouse cultivation. The objective of the present work was to evaluate if the applications of calcium carbonate to the soil and to the plant (foliar route) influence the weight and number of fruits in manzano peppers under greenhouse conditions. The study was carried out in the greenhouse of the Faculty of Agrotechnological Sciences, of the Autonomous University of Chihuahua. For the generation of the treatments, the Taguchi method was used, creating 13 treatments, for 2 factors and 5 levels each factor, with 5 repetitions per treatment, using 65 plants in the study. Data analysis was performed using the quadratic response surface technique, adjusting the surface to determine the factor levels for optimal response. In order to obtain the highest weight in the three harvests 234.8 g, it is necessary to reduce the CaCO3 to the soil by 9%, while increasing the CaCO3 to the foliar by 100%. To increase the number of peppers from 59 to 70 in the three harvest periods, it is necessary to increase CaCO3 in the soil and foliar by 8.5% and 100%.