Evaluación del yodo y ácido salicilico en la biofortificación en plantulas de pimiento (Capsicum annuum var. coach).

Abstract

The biofortification carried out on bell pepper plants in full development caused a series of positive factors in growth and metabolism. The objective of the study was to determine the feasibility of using iodine and salicylic acid by drench irrigation and to generate a biofortifying effect on the development of bell pepper (Capsicum annum var. coach) seedlings. The hypothesis was that at least one of the treatments of agricultural iodine and salicylic acid will have a biofortifying effect on bell pepper seedlings. The experimental design used was randomized blocks in a 3x2+1 factorial arrangement with three replicates of ten plants per treatment (six treatments and one control). The dosages were D1 (0.5 cm3/L), D2 (1 cm3/L), D3 (1.5 cm3/L) and the products were P1 (agricultural iodine) and P2 (salicylic acid). Data were analyzed by Tukey test (p≤0.05) for comparison of averages. The applications made of both products were five, once every eight days for forty days. In the last sampling, five plants per treatment were collected and measurements of root volume, root length, plant height, number of leaves and stem thickness were taken. The data collected were entered into the Excel program and the means per variable were extracted. The results obtained showed significant and non-significant differences in each variable studied. Root volume did not show a statistical difference, but the P2D2 treatment (salicylic acid + 1 cm3/L) showed a greater acceptance by the seedlings, and also showed numerical differences compared to the rest of the treatments. In the variables stem length, number of leaves, plant height and stem thickness, the P2D3 treatment (salicylic acid + 1.5 cm3/L) predominated over the rest of the nutrition methods as the best dosage for biofortification in bell pepper seedlings, showing greater qualities in the plant morphology of the plants