Resumo

PEZO, Marlon; MARQUEZ-DAVILA, Kadir  e  SOLIS, Reynaldo. Gibberellic acid increases the yield of adult plants of sacha inchi (Plukenetia volubilis). Scientia Agropecuaria [online]. 2019, vol.10, n.4, pp.455-460. ISSN 2077-9917.  http://dx.doi.org/10.17268/sci.agropecu.2019.04.01.

Increase the yield is the main purpose in the processes of agronomic management and plant breeding, therefore the objective of this study was to evaluate the effect of 7 doses of gibberellic acid (0, 10, 20, 40, 60, 80 and 100 mg L-1) and 2 doses of TRIGGRR FOLIAR (0 and 5 ml L-1) in the yield of adult plants of sacha inchi, under a RCBD with factorials. The application of the growth regulators induced the formation of new branches and new female flowers. The number of fruits increased as the concentration of gibberellic acid increased to 60 mg L-1, but concentrations of 80 and 100 mg L-1 induced the formation of fewer fruits. The treatment that contained 60 mg L-1 of gibberellic acid and 5 ml L-1 of TRIGGRR increased the yield in adult plants from 841 to 1278 kg-1 ha-1 year-1. The results of this study show that gibberellic acid is a growth regulator with the potential to induce new branches and promote the development of new female flowers and fruits in sacha inchi

Palavras-chave : sacha inchi; growth regulators; gibberellic acid; yield.

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