Abstract

Sengon (Paraserianthes falcataria) is a fast-growing plant that has high economic value. However, the presence of sengon in the wild every year begins to decline due to high demand for sengon wood. The availability of increasing sengon seeds, the propagation is carried out through tissue culture techniques. This study aims to determine the best Indole Acetic Acid (IAA) concentration on the growth of sengon explants. This study used an experimental method with treatment of IAA concentrations of 0 mg/L, 0.5 mg/L, 1 mg/L, 1.5 mg/L, and 2 mg/L. Each treatment was repeated three times and analyzed using one-way analysis. The results showed that the concentration of IAA 1 mg/L was the best treatment for the growth of roots length. The concentration of IAA 0.5 mg/L is the best treatment for plantlet height growth.

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