Application of paclobutrazol and nitrogen rates at bean winter in sprinkler irrigated no-tillage system

Authors

  • Douglas Castilho Gitti
  • Orivaldo Arf
  • Salatiér Buzetti
  • Marina Munhoz Rosato Ferreira
  • Claudinei Kappes
  • Flavio Hiroshi Kaneko
  • Ricardo Antonio Ferreira Rodrigues

DOI:

https://doi.org/10.18188/sap.v11i3.5678
Supporting Agencies
Fapesp e CNPq

Keywords:

agronomia, produção vegetal

Abstract

The ability to contain the excessive development of plants and adapt its architecture to the cultural practices, as well as create favorable environment for healthy development are some of the possibilities that can be obtained by the use of plant growth regulators. Thus, the study aimed to evaluate the effects of application of plant growth regulator paclobutrazol (and without) and doses of nitrogen (0, 15, 30, 45, 60 and 90 kg ha-1) on the development vegetative growth, yield components and grain yield of bean cv. IPR Juriti grown in no-tillage in the winter of 2011. The applications of paclobutrazol were performed on stage V4-4 bean at a dose of 375 g ha-1. It can be concluded that: the application of growth regulator paclobutrazol reduced plant length 21 cm, provided the lowest leaf nitrogen content, reduced the number of grains per pod and per plant, increased the weight of 100 grains, and nitrogen rates positively influenced the readings ICF, the leaf nitrogen content, the number of pods and grains per plant and grain yield.

Published

18-12-2012

How to Cite

GITTI, D. C.; ARF, O.; BUZETTI, S.; FERREIRA, M. M. R.; KAPPES, C.; KANEKO, F. H.; RODRIGUES, R. A. F. Application of paclobutrazol and nitrogen rates at bean winter in sprinkler irrigated no-tillage system. Scientia Agraria Paranaensis, [S. l.], v. 11, n. 3, p. 35–46, 2012. DOI: 10.18188/sap.v11i3.5678. Disponível em: https://e-revista.unioeste.br/index.php/scientiaagraria/article/view/5678. Acesso em: 22 jul. 2025.

Issue

Section

Scientific Article