Abstract
One of thepropagation problems in generative of umbrella treewas seed dormancy. To break the seed dormancy of umbrella tree seed, soaking at different initial temperatures of water was used. The objectives of this research were to find out the effect of initial temperature treatment to the germination percentage, the germination speed rate, and the ability to germinate, and also to find the optimum initial temperature for umbrella tree germination. The research hasstartedFebruary until May 2012 in PT. Anugerah Subur Sejahtera, Ulak Bandung Village, sub-districtofMuara Sahung, Kaur Regency, Bengkulu.This research used completely randomized design (CRD) with 4 treatment and 3 replications, each series of experiments used 100 seeds.The result shown that soaking treatment at different initial temperature of water has been significantly affected the germination percentage, and the umbrella tree seed without soaking gave the best result. Key words : germination, scarification, seed viability, umbrella tree
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