Abstract
Abstract. Adinugraha HA, Pudjiono S, Jayusman. 2019. Growth variation of several origin populations of teak in the progeny test plantation at 10 years old in Gunungkidul, Yogyakarta. Pros Sem Nas Masy Biodiv Indon 5: 426-430. Teak plant breeding research is very important to improve the productivity of teak plantations. One of the research stages that carried was the establishment of progeny trial plantation in Gunungkidul, Yogyakarta. The purpose of this study was to evaluate the variations on growth performance of several teak origin populations in Indonesia, which was needed to select the best teak population. This progeny plot was established using a nested design that tested as many as 120 families from 8 populations of teak plant distribution in Indonesia, namely Wakuru, Buton, Warangga, Matakidi, Mboto, Senori, Kateri and Tasifeto. Each treatment used 3 tree plots, which were repeated in 6 blocks with a plant spacing of 2 x 6 m. The results of the evaluation of plant growth until the age of 10 years obtained a survival percentage of 80.32%. The average height of the tree is 9.91 m, dbh 10.33 cm, the height of the bole is 2.78 m, and the estimated tree volume is 0.07 m3/tree. Plant growth varied significantly between populations with the best results shown by 2 populations from Java, namely Mboto and Senori. Keywords: Plant growth, population of teak distribution, progeny test, teak
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