New orthotropic stems induction in arabica coffee by pruning and biostimulant application
DOI:
https://doi.org/10.25186/.v19i.2240Abstract
Pruning are techniques used to renew a coffee tree and promote the growth of a more vigorous plant. Allied to that, the use of biostimulants can help the boost growth and development of the new produced stems. The objective of the present work was to evaluate whether the presence of plagiotropic branches in coffee trees pruned by low pruning and the application of biostimulant would influence the production, growth and vigor of new orthotopic branches in Coffea arabica. The experiment consisted of 10 treatments, arranged in a randomized block design with a 2x5 factorial: two pruning methods (low pruning with and without plagiotropic branches) and five doses of Stimulate® (0, 100, 200, 400 and 800 mL). The traits evaluated were vigor of the orthotropic branches produced vigor, orthotropic branches length, number of orthotropic branches orthotropic and orthotropic branches diameter. The use of low pruning with remaining plagiotropic stems combined with the use of biostimulants at a dose of 400 mL induces the production of vigorous orthotropic stems in Arabica coffee trees.
Key words: Coffea arabica; coffee pruning; phytohormones; shoots.
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