Abstract

SANTANA, Falkner Michael de Sousa et al. Action of substances with physiological effects on the production of sprouting broccoli. Rev. de Ciências Agrárias [online]. 2018, vol.41, n.1, pp.261-270. ISSN 0871-018X.  https://doi.org/10.19084/RCA17066.

The application of products of physiological effects in the production and precocity of branching type broccoli was evaluated. An experiment was carried out at Sitio Janeiro, located in the municipality of Pardinho-SP, March to July 2014. Conducted in a randomized complete block design with four replications. Sprays were carried out in two stages, the first one being in the molting phase, using auxin + gibberellin + cytokinin; a second spray with the N + B + Cu + Mo + Zn mixture after harvesting of the central head to stimulate sprout, consisting of the treatments: auxin + gibberellin + cytokinin (0, 0.15, 0.30; 0.45; 0.60%, commercial formulation) + N + B + Cu + Mo + Zn 0.60% commercial formulation. The evaluated characteristics were fresh head mass, head diameter, total fresh mass of shoots, total fresh mass of the plant, total number of shoots, total productivity and Precocity. The mixture  auxin + gibberellin + cytokinin when associated to the N + B + Cu + Mo + Zn mixture, showed significant results for both the head diameter and the total fresh mass of the plant. For the precocity the products showed good results, advancing the crops of the head and the shoots.

Keywords : biostimulant; Brassica oleracea L. var. italica plenck; germination; plant growth regulators; precocity.

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