Heliconia Golden torch under different sources and doses of silicon

The aim was to evaluate the productivity and post-harvest quality of Golden Torch heliconia under different sources and doses of silicon. The experiment was set up in a 3 x 3 factorial design with four replications, using the sources sugarcane bagasse ash, MB-4 and Rocksil(R) at doses of 0, 400 and 800 kg/ha of SiO2 equivalent from each source. The results showed that the number of inflorescences increased with the Rocksil(R) source, bract length was higher with the interaction between ash and the 400 kg/ha dose, mass loss on the eighth day post-harvest was lower with the interaction between Rocksil(R) and the 400 kg/ha dose, bract burn on the eighth day post-harvest was lower with the Rocksil(R) source at the 800 kg/ha dose and the Si content in the soil at a depth of 0-0.20 m increased with the increase in the silicon dose. As for the variables: length of flower stalks, mass of flower stalks on the day of harvest and on the eighth day after harvest, leaf and soil silicon content at a depth of 0.20-0.40 m, there was no significant difference between the treatments using the Scott-Knott test for grouping means. Fertilizing with silicon increased productivity and post-harvest quality.