Reduction of winter pruning and fruit production increase in 'Hosui' pears by prohexadione calcium use

Authors

  • Fernando José Hawerroth Embrapa Agroindústria Tropical
  • José Luiz Petri Empresa de Pesquisa e Extensão Rural de Santa Catarina
  • José Carlos Fachinello Universidade Federal de Pelotas
  • Flavio Gilberto Herter Universidade Federal de Pelotas
  • Marcos Ernani Prezotto Universidade Federal de Pelotas
  • Luciane Both Haas Universidade Federal de Pelotas
  • Aloir Pretto Universidade Federal de Pelotas

DOI:

https://doi.org/10.1590/S1678-3921.pab2012.v47.12115

Keywords:

Pyrus pyrifolia, vegetative growth, plant growth regulator, fructification.

Abstract

The objective of this work was to evaluate the vegetative growth control and fruit production capacity of 'Hosui' pear, in response to prohexadione calcium use in Southern Brazil climate conditions. Different concentrations of prohexadione calcium (0, 275, 550, and 825 g ha‑1) were applied on eleven‑year‑old 'Hosui' pear trees grafted on Pyrus calleryana rootstock. The use of prohexadione calcium was effective in controlling the vegetative growth of 'Hosui' pears and decreased winter pruning, by reducing total weight and number of pruned shoots. The control of vegetative growth, by prohexadione calcium use, favors the increase of fruit production capacity of 'Hosui' pears, mainly at 550 g ha‑1 concentration.

Author Biographies

Fernando José Hawerroth, Embrapa Agroindústria Tropical

José Luiz Petri, Empresa de Pesquisa e Extensão Rural de Santa Catarina

José Carlos Fachinello, Universidade Federal de Pelotas

Luciane Both Haas, Universidade Federal de Pelotas

Universidade Federal de Pelotas, Faculdade de Agronomia Eliseu Maciel, Departamento de Fitotecnia, Campus Universitário, Pelotas, RS.

Aloir Pretto, Universidade Federal de Pelotas

Universidade Federal de Pelotas, Faculdade de Agronomia Eliseu Maciel, Departamento de Fitotecnia, Campus Universitário, Pelotas, RS.

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Published

2012-08-13

How to Cite

Hawerroth, F. J., Petri, J. L., Fachinello, J. C., Herter, F. G., Prezotto, M. E., Haas, L. B., & Pretto, A. (2012). Reduction of winter pruning and fruit production increase in ’Hosui’ pears by prohexadione calcium use. Pesquisa Agropecuaria Brasileira, 47(7), 941–949. https://doi.org/10.1590/S1678-3921.pab2012.v47.12115

Issue

v.47, n.7, jul. 2012

Section

POMOLOGY