Growth response and yield of several local yam plants with hormax applications

This study aimed to determine the growth and yield of several types of local yam with Hormax application. The study was conducted in Pososlalongo Village, Banggai Tengah District, Banggai Laut Regency, Central Sulawesi Province, from January to July 2019. This research was arranged following the Split Plot Design. As the main plot was the type of yam namely Butuli, Tu'u, Manui, Pau-Pau Ateno, Sombok, and Kulaluk, while as a subplot is the concentration of Hormax solution consisted of four levels namely 0, 2.0, 4.0, and 6.0 mL/L water. The results showed that the type of yam Butuli had the fastest sprouting speed of 25.50 days, the highest number of leaves was 337.58 strands, and the highest number of tubers was 1.81 pieces. The concentration of Hormax 4 mL/L water treatment resulted in the longest stem which was 491.47 cm, the highest number of leaves was 274.56 strands.