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Centro Agrícola
versión On-line ISSN 0253-5785
Resumen
JORGE SUAREZ, Héctor; MENENDEZ SIERRA, Antonio; MENESES SAENZ, Reinaldo y DELGADO MORA, Irenaldo. Evaluation of ripeners in sugar cane in CALESA company, Panama Republic. Ctro. Agr. [online]. 2018, vol.45, n.2, pp. 69-76. ISSN 0253-5785.
ASBTRACT The results were presented with three new ripeners (DP 98 (PO3), Moddus (Trinexapac-ethil CE 250 y Biqticon SC) in three fields, the evaluation was carried out between 3 and 5 weeks before harvest, t pol ha-1 was calculated considering the percentage of pol in cane of The last week evaluated in each test and field performance, to all treatments based in sugar production ha-1, cost-benefit analysis was performed. Regrowth analysis was performed 50 days after the cut, these results were subjected to fixed effects variance analysis, the percentage of increase with respect to the control was also determined. As a result, the DP-98 (PO3) products and the glyphosate + DP-98 (Round-up CS48 + PO3) mixture reached values €‹€‹higher than the control in the sugar content from the first week of evaluation, whereas Glyphosate exceeded it from the third week, the Cost - benefit ratio was in favor of Glyphosate. The Moddus CE 250 had a lower behavior than the control in the percentage of pol in cane during the five weeks that was evaluated, what could be given that its recommendation is from the sixth week. There was an increase in the variable analyzed from the first week in favor of Biqticon, the cost - benefit ratio for this product was 1.09, higher than glyphosate and the control. Glyphosate treatment increased the number of dead strains in the regrowth by 9 %
Palabras clave : incremento de sacarosa; madurantes; rebrote; increase in sucrose; rippers; regrowth.