The effect of maturators on technological characterists of sugar cane on soils with and without water stress
DOI:
https://doi.org/10.5433/1679-0359.2005v26n4p441Keywords:
Flowering, Growth regulator, Saccharum officinarum.Abstract
The sugar cane is one of the most important crop in Brazil. Many areas cultivated with this crop is subjected to flowering, which is not wanted once it reduces sucrose. The objetive of the present trial was to evaluate the effect of maturators on technological characterists of sugar cane on soils with and without water stress. The experimental design was a 2x4 factorial (two water conditions in the soil, three maturators and control) replicated four times. The maturators were sulfometuron-methil (15 g ha-1) aplied with and whithout adjuvants and ethephon (480 g ha-1). The evaluated area was arranged by three lines of sugar cane of the reagent cultivar SP 813250, with 8 meter long spaced in 1,4 m between rows. The evaluated characteristics were Pol%, fibre and Brix at 0, 21, 30, 45, 60 and 75 days after aplication. The maturator action increased significant with the soil water at 0 and 21 days after aplication. The increases in Pol%, fiber and Brix were not significant with the application of sulfometuron-methil and ethephon. The application of sulfometuron-methil antecipated the harvest of sugar in 15 days.
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