Evaluación del injerto de tomate (Solanum lycopersicum L.), en patrones de uvilla (Physalis peruviana L.), con tres dosis de salinidad en la provincia de Chimborazo.

Abstract

This investigation aimed to evaluate the grafting of tomato (Solanum lycopersicum Mill) on cape gooseberry (Physalis peruviana L) rootstocks, with three doses of salinity in Chimborazo Province. A bifactorial, completely randomized block design (CRBD) was used in divided plots, with nine treatments and three replications. The treatments corresponded to two cultivars of wild cape gooseberry (B1) and commercial cape gooseberry (B2), used as rootstocks with a control (B3), (ungrafted tomato), with three doses of salinity: low (A1), medium (A2), high (A3).In this investigation, height and number of leaves of the graft were evaluated at thirty and sixty days, which was the life time of the grafts, then the investigation was based on a completely randomized block design (CRBD) monofactorial using the salinity factor for the study where parameters such as number of fruits per bunch, fruit weight, fruit equatorial diameter, fruit peel weight, fruit pH, percentage of soluble solids, yield in kg/plant, kg/ha were evaluated; kg/ha and the economic analysis was carried out using the benefit-cost ratio per treatment. The capegooseberry rootstocks did not respond to tomato grafting; for the salinity section, the number of fruits per bunch was seven; fruit weight 135.17g; fruit diameter 6.38cm; peel weight 117.93g; brix degrees 5.90 and 1.72 kg/plant. It was concluded that the best yield was obtained with thelow treatment (0-3) mmhos/cm, with an average of 46 MT/ha and a benefit-cost ratio of 3.17 dollars. It is recommended to work with other types of rootstocks with the same botanical characteristics and to use low doses of salinity.