Growth and Initial Development of Papaya Plants (Sunrise Solo) in Different Concentrations of Biostimulants

Bruno Anderson Araujo Barros, Sammy Sidney Rocha Matias, Thamyres Yara Lima Evangelista, Mariane Sirqueira Nogueira, Thaís Paula Martins Nunes, Gasparino Batista de Sousa and Gustavo Alves Pereira

Journal of Agricultural Science, 2024, vol. 12, issue 6, 189

Abstract: The objective of this research was to evaluate the vegetative growth of papaya seedlings, propagated by seeds, regarding the use and application rates of two biostimulants in two types of soil. The experiment was carried out at the State University of Piauí (UESPI)/Campus de Corrente, with papaya (Carica papaya L.) as a research culture, on a screen at 50% brightness. The completely randomized design consisted of four treatments arranged according to the following application doses (0, 4, 8, 12, and 16 ml) using the biostimulant Solofull® and Stimulate® via soil, with six replicates per treatment, totaling 24 experimental units. The soil used came from two situations, soil 1 (area in process of degradation, Gilbués—PI) and soil 2 (pasture area, Corrente, PI). At 65 days after sowing, height, stem diameter, number of true leaves, leaf area, height ratio of plants, and stem diameter and root length were evaluated. The data were submitted to analysis of variance. The degraded area soil provided the best growth of the aerial part. The types of biostimulants and application doses used in this study did not provide significant differences between treatments.

Date: 2024
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