HUMIC SUBSTANCES ON TECHNOLOGICAL QUALITY OF SOME SUGARCANE VARIETIES

Authors

  • Marina Munhoz ROSATO Faculdade de Ilha Solteira (FEIS) / Universidade Estadual Paulista "Júlio de Mesquita Filho" (UNESP), Ilha Solteira (SP)
  • Antonio César BOLONHEZI Faculdade de Ilha Solteira (FEIS) / Universidade Estadual Paulista "Júlio de Mesquita Filho" (UNESP), Ilha Solteira (SP)
  • Luiz Henrique Zuculo FERREIRA Usina Santa Adélia, Pereira Barreto (SP)

DOI:

https://doi.org/10.5380/rsa.v11i1.16076

Keywords:

Saccharum spp, humic and fulvic acids, sucrose content, ácidos húmicos e fúlvicos, teor de sacarose

Abstract

As the sugarcane crop is occupying great areas in savannah soils, many of these areas can be characterized as stressful environments, it becomes inevitable the use of available technologies for the increment in sucrose. This study aimed to evaluate the influence of humic substances (SHs – humic acids – 0,12 kg kg-1; fulvic acids – 0,03 kg kg-1) applied in the planting furrow in the technological quality of the sugarcane. The experiment was conducted at Santa Terezinha Farm, located in Pereira Barreto, state São Paulo, Brazil. A randomized block design in a split plot scheme, containing 8 varieties: SP89-1115, SP81-3250, SP83-2847, SP91-3011, RB72454, RB867515, RB835054 and SP91-3440, treated or not with SHs, in four repetitions was used. The results showed that humic substances (SHs) were positive for variety SP91-3011 on sucrose accumulation; they promoted reduction in the glucose and fructose content of RB835054 and RB867515 varieties in certain times of the crop and, they did not affect the other technological characteristics of the sugarcane.

Author Biographies

Marina Munhoz ROSATO, Faculdade de Ilha Solteira (FEIS) / Universidade Estadual Paulista "Júlio de Mesquita Filho" (UNESP), Ilha Solteira (SP)

Discente em Agronomia da Faculdade de Ilha Solteira (FEIS) / Universidade Estadual Paulista "Júlio de Mesquita Filho" (UNESP)

Antonio César BOLONHEZI, Faculdade de Ilha Solteira (FEIS) / Universidade Estadual Paulista "Júlio de Mesquita Filho" (UNESP), Ilha Solteira (SP)

Docente do Departamento de Fitotecnia, Tecnologia de Alimentos e Sócio - Economia - Faculdade de Ilha Solteira (FEIS) / Universidade Estadual Paulista "Júlio de Mesquita Filho" (UNESP)

Luiz Henrique Zuculo FERREIRA, Usina Santa Adélia, Pereira Barreto (SP)

Engenheiro Agrônomo – Usina Santa Adélia – Pereira Barreto

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How to Cite

ROSATO, M. M., BOLONHEZI, A. C., & FERREIRA, L. H. Z. (2010). HUMIC SUBSTANCES ON TECHNOLOGICAL QUALITY OF SOME SUGARCANE VARIETIES. Scientia Agraria, 11(1), 043–048. https://doi.org/10.5380/rsa.v11i1.16076

Issue

Section

Crop Science