Variedades de cana-de-açúcar submetidas à irrigação suplementar no cerrado goiano
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Data
2014-12
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Resumo
The state of Goias is the second largest producer of sugar cane in Brazil. However, it
still has low productivity, mainly due to the lack of varieties adapted to the region and the typical
water deficit. The experiment aimed to evaluate the performance of sixteen sugarcane varieties
submitted to supplementary irrigation in the “Cerrado” (Brazilian Savanna).The experiment was
carried out in Goianesia-GO (Brazil), in a Red yellow dystrophic latosol (Oxisol), from April 2011
to May 2012. Randomized blocks design was used, with bifatorials treatments, in sixteen sugar cane
varieties: CTC2, CTC4, CTC9, CTC11, CTC15, CTC18, IAC87-3396, IAC91-1099, IACSP94-
3046, IACSP94-2094, IACSP94-2101, IACSP95-5000, RB857515, RB92579, RB966928 and
SP86-0042; and five evaluation time: 113, 145, 174, 203 and 285 days after plantation (DAP). The
supplementary irrigation was of 50% water requirement using a sprinkler system. Varieties
performance was evaluated through: tillering, growth, productivity and performance of industrial
plants. The results showed significant differences between the varieties. The best results were
obtained for varieties CTC9, CTC11, IAC87-3396, IAC91-1099 and SP86-0042, to productivity
and industrial performance, which can be recommended in savannah cultivation with supplementary
irrigation (50%).
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Saccharum officinarum, Manejo da irrigação, Déficit hídrico, Aspersão
Citação
CAMPOS, Patrick F.; ALVES JÚNIOR, José; CASAROLI, Derblai; FONTOURA, Patricia R.; EVANGELISTA, Adão Wagner Pêgo. Variedades de cana-de-açúcar submetidas à irrigação suplementar no cerrado goiano. Engenharia Agrícola, Jaboticabal, v. 34, n. 6, p. 1139-1149, nov./dez. 2014.