Morphogenetic and structural characteristics of xaraés palisadegrass subjected to grazing intensities

Authors

  • Leandro Galzerano Universidade Estadual Paulista Júlio de Mesquita Filho
  • Euclides Braga Malheiros Universidade Estadual Paulista Júlio de Mesquita Filho
  • Elisamara Raposo Universidade Estadual Paulista Júlio de Mesquita Filho
  • Eliane da Silva Morgado Universidade Estadual Paulista Júlio de Mesquita Filho
  • Ana Claudia Ruggieri Universidade Estadual Paulista Júlio de Mesquita Filho

DOI:

https://doi.org/10.5433/1679-0359.2013v34n4p1879

Keywords:

Brachiaria, Light interception, Residual leaf area index, Urochloa.

Abstract

The aim of this study was to evaluate the effects of residual leaf area index (rLAI), years of evaluation and grazing cycles on the morphogenetic and structural characteristics of xaraés palisadegrass subjected to grazing intensities in two summers (years of evaluation). The experiment was carried out at the Universidade Estadual Paulista “Júlio de Mesquita Filho” - UNESP, Campus de Jaboticabal, São Paulo, Brasil and the intensities of grazing were defined by four rLAI: 0.8, 1.3, 1.8 and 2.3. When the canopy intercepted 95% of incident light, the animals were placed on the pasture for grazing and kept until the rLAI target has been reached. Pastures were grazed by non-lactating Holstein cows (Bos Taurus Taurus L.), using the technique of mob-stocking. The morphogenetic and structural characteristics of xaraés palisadegrass respond effectively to weather conditions. There is variability in morphogenetic and structural characteristics in response to years and grazing cycles within years.

Author Biographies

Leandro Galzerano, Universidade Estadual Paulista Júlio de Mesquita Filho

Dr. em Zootecnia pela Universidade Estadual Paulista “Júlio de Mesquita Filho”, UNESP, Campus de Jaboticabal, Via de Acesso Prof. Paulo Donato Castellane s/n, CEP 14884-900, Jaboticabal, SP.

Euclides Braga Malheiros, Universidade Estadual Paulista Júlio de Mesquita Filho

Prof. da UNESP, Campus de Jaboticabal, Jaboticabal, SP.

Elisamara Raposo, Universidade Estadual Paulista Júlio de Mesquita Filho

Discente do Programa de Pós-graduação em Zootecnia, UNESP, Campus de Jaboticabal, Jaboticabal, SP.

Eliane da Silva Morgado, Universidade Estadual Paulista Júlio de Mesquita Filho

Pós-doutoranda, UNESP, Campus de Jaboticabal, Jaboticabal, SP. Bolsista da FAPESP.

Ana Claudia Ruggieri, Universidade Estadual Paulista Júlio de Mesquita Filho

Profª  da UNESP, Campus de Jaboticabal, Jaboticabal, SP.

Published

2013-08-30

How to Cite

Galzerano, L., Malheiros, E. B., Raposo, E., Morgado, E. da S., & Ruggieri, A. C. (2013). Morphogenetic and structural characteristics of xaraés palisadegrass subjected to grazing intensities. Semina: Ciências Agrárias, 34(4), 1879–1890. https://doi.org/10.5433/1679-0359.2013v34n4p1879

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