Efeito da aplicação de maturadores químicos na cultura da cana de açúcar (<em>Saccharum</em> spp.) Variedade SP81-3250

• DOI: 10.4025/actasciagron.v30i1.1130
• Publication Date: 2008-12-17T12:47:54Z
• Authors: Ronaldo Da Silva ...; Pablo Humberto Silva; Miguel Angelo Mutton; Marcia Justino Ro...; Eduardo Rossini G...; Marcelo Bento
• Keywords: Cane quality; 2. Zero hunger; ripening index; ripeners; 04 agricultural and veterinary sciences; deterioração; cane quality; Ripeners; matéria prima; Saccharum; technological quality; Technological quality; índice de maturação; qualidade tecnológica; 0401 agriculture, forestry, and fisheries; Deterioration; deterioration; Ripening index; maturadores

Sugarcane is one of the most important grass crops. This study evaluated the effects of chemical ripeners on the sugarcane variety SP81-3250 in terms of technological quality. The experiment was arranged in randomized blocks with split split-plots. Main treatments were: 1) Control; 2) Aminolon Maduracion, at a rate of 0.7 L of commercial product (c.p.) ha -1 ; 3) Aminolon Maduracion, at a rate of 1.0 liter of c.p. ha -1 ; 4) Aminolon Maduracion, at a rate of 1.3 liter of c.p. ha -1 ; 5) Trinexapac-ethyl (Moddus), at a rate of 0.8 liter of c.p. ha -1 . Secondary treatments were the sampling dates: 10 days before application (- 10 d.a.a.); 11; 46; 71; 100 and 117 d.a.a. (days after application). Ripeners differently affected the technological parameters, and trinexapac-ethyl showed the best behavior, followed by Aminolon (0.7 L of c.p. ha -1 ). The best results were found at the 3 rd and 4 th sampling dates, 46 and 71 days after application, respectively