Production, morphological traits and ripeness characteristics of sugar cane cultivars with different maturity cycle at Barbacena region/MG, Brazil

Authors

  • João Batista Rodrigues de Abreu Universidade Federal Rural do Rio de Janeiro, Instituto de Zootecnia, Departamento de Nutrição Animal e Pastagem, Seropédica, RJ
  • João Carlos de Carvalho Almeida Universidade Federal Rural do Rio de Janeiro, Instituto de Zootecnia, Departamento de Nutrição Animal e Pastagem, Seropédica, RJ
  • Wagner Alves de Mello Universidade Federal Rural do Rio de Janeiro, Instituto de Zootecnia, Departamento de Nutrição Animal e Pastagem, Seropédica, RJ
  • Vinícius Valim Pereira Universidade Federal Rural do Rio de Janeiro, Instituto de Zootecnia, Departamento de Nutrição Animal e Pastagem, Seropédica, RJ
  • Maria Clara Melo Ferreira Universidade Federal Rural do Rio de Janeiro, Instituto de Zootecnia, Departamento de Nutrição Animal e Pastagem, Seropédica, RJ
  • Roberta Alethéa Felippe de Souza Marques Universidade Federal Rural do Rio de Janeiro, Instituto de Zootecnia, Departamento de Nutrição Animal e Pastagem, Seropédica, RJ
  • Anderson José de Oliveira Universidade Federal Rural do Rio de Janeiro, Instituto de Zootecnia, Departamento de Nutrição Animal e Pastagem, Seropédica, RJ

Keywords:

%Brix, decaing straw, maturation, productivity, sugar cane forage

Abstract

This experiment was carried out in Campo Alegre farm, located at Barbacena City, Minas Gerais State, Brazil, with the objective of evaluate the green matter yield (GM); the dry matter concentration (DM); dry matter yield (DMY); the morphological traits: the leaf lying, the decaing straw; stalk and leaf height and the ripeness characteristics by Brix concentration (%) at lower, medium and up parts of stalk, and maturation index of sugar-cane cultivars distinguished by maturation behavior of six sugar-cane cultivars, that were: IAC 86-2480 and IAC 86-2210 (early maturity); RB 72-454 and IAC 93-6006 (medium maturity); SP 81-3250; IAC 87-3396 (late maturity) during the first 1,25 year sugar-cane’s grown. The experimental design used was a randomized blocks with four replications and the plots were constituted by four rows spaced of 0,8m and 6m length. The greatest GM was attained with RB 72-454 (143.72t hc-1) and IAC 87-3396 (136.81t hc-1), and the early maturation behavior cultivars had yield bellow of 52t hc-1, and the DMY had similar performance to the GM. The NDF content were lower than 40%, with small value of IAC 87-3396 cultivar. The CP contents were, bellow of 1.87%. The conjoined analysis of morphological traits shows that IAC 87-3396 cultivar slowed best behavior, besides of the greatest yield production. The % of Brix wasn’t different between cultivars, with values lowest than 13% and consequent lowest saccharose concentrations. Evaluating the Brix values at different stalk heights, we can infer that the late maturity cultivars had decline of maturation, the medium maturity and the IAC 86-2210 (early) with proper maturation and IAC 87-3396 showed medium maturation.

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Published

2007-02-22

Issue

Section

FORAGE CROPS AND PASTURES

How to Cite

Production, morphological traits and ripeness characteristics of sugar cane cultivars with different maturity cycle at Barbacena region/MG, Brazil. (2007). Bulletin of Animal Husbandry, 64(2), 115-121. http://bia.iz.sp.gov.br/index.php/bia/article/view/1238

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