Progeny Test on Plant Growth of 2-Year-Old Jabon Merah (Anthocephalus macrophyllus Roxb. Havil.) in Gowa, South Sulawesi, Indonesia:Preeliminary Study

Abstract

Jabon Merah (Anthocephalus macrophyllus Roxb. Havil) is a fast growing local species and has bright economic and market prospects. However, the cultivation is unable to accelerate the productivity of this species. One of the breeding strategies to overcome this problem is to establish Seedling Seed Orchard of progeny test were later converted into seed orchard after one up to several selective thinning. This research was aimed to study the growth of Jabon merahs' families from ten seed zonations in Sulawesi. It was conducted in a Randomized completely block design (RCBD) consisted of 108 families, four treeplots, and seven blocks with planting spacing of 4x3 meters. The measurement was performed at 24 month-old trees, i.e., tree height and diameter. Percentage of the living tree after two years based on progeny test was 69% with 6.1 m of mean height and 7.8 cm of mean diameter at chest height. Heritability of family for height and diameter at chest height were 0.2337 and 0.1873, respectively. Correlation between genetic and tree height and diameter traits was 0.9121.