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All Journal Jurnal Penelitian Kehutanan Wallacea
Mashudi
Balai Besar Penelitian Bioteknologi dan Pemuliaan Tanaman Hutan
Agriculture, Biological Sciences & Forestry

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Pertumbuhan tanaman pulai darat (Alstonia angustiloba Miq.) dari empat populasi pada umur satu tahun di Wonogiri, Jawa Tengah Mashudi; Hamdan Adma Adinugraha
Jurnal Penelitian Kehutanan Wallacea Vol. 3 No. 1 (2014)
Publisher : Foresty Faculty of Hasanuddin University

Show Abstract | Download Original | Original Source | Check in Google Scholar | Full PDF (665.326 KB) | DOI: 10.18330/jwallacea.2014.vol3iss1pp75-84

Abstract

This experiment aims to identify the effects of population sources and parent trees on the growth of Alstonia angustiloba of one year old. This experiment was arranged in randomized complete block design. The research used two factors, i.e. population sources (Carita-Banten, Pendopo-Muara Enim, Lubuk Linggau-Musi Rawas and Solok- West Sumatera), and parent trees (43 parent trees). In this experiment, parent trees factor was nested in the population sources. The result showed that population sources and parent trees significantly affected the parameters measured, i.e. height and stem diameter. Pendopo and Carita were the best two populations in terms of height (1,612 m and 1,597 m, respectively) and stem diameter (2,567 cm and 2,686 cm, respectively). The best ten parent trees for height were parent trees number 13 (1.884 m), 16 (1.808 m), 17 (1.773 m), 8 (1.688 m), 6 (1.684 m), 15 (1.682 m), 20 (1.677 m), 36 (1.652 m), 18 (1.652 m) and 14 (1.630 m). The best ten of parent trees for stem diameter were parent trees number 16 (3.171 cm), 7 (3.116 cm), 13 (3.105 cm), 8 (3.027 cm), 36 (3.022 cm), 27 (2.974 cm), 15 (2.925 cm), 30 (2.787 cm), 6 (2.766 cm) and 18 (2.757 cm).
The growth success of Alstonia scholaris (L.) R. Br. shoot cuttings from several shoots position and the cut type of cuttings Mashudi; Hamdan Adma Adinugraha
Jurnal Penelitian Kehutanan Wallacea Vol. 4 No. 1 (2015)
Publisher : Foresty Faculty of Hasanuddin University

Show Abstract | Download Original | Original Source | Check in Google Scholar | Full PDF (753.086 KB) | DOI: 10.18330/jwallacea.2015.vol4iss1pp63-69

Abstract

Alstonia scholaris (L) R.Rr. is one of the fast growing species has a wide distribution in Indonesia and good prospect to be developed for forest plantation. This species could be propagated both generative and vegetative method. This study was conducted to identify the effect of shoot position and the cut type of cuttings. The experiment was arranged in Randomized Complete Design in two factors. The fisrt factor was shoot position (P1= < 50 cm, P2=50-100 cm, P3=100-150 cm and P4=150-180 cm above ground) and second was the cut type of cuttings (horizontal, diagonal 45o and “V” types). The result showed that shoot position significantly influenced rooting ability and the growth of cuttings. The best result of shoot cuttings was taken from P3 treatment (100-150 cm above ground) with survival percentage 87.50%, rooting percentage 85.42%, growth of height 4.02 cm, with 10 number of root, length of root 19.08 cm and 4 number of leaf . The cut type of cuttings and interaction between shoot position and type of cuttings were not significantly differences to the growth of shoot cuttings.
Co-Authors Hamdan Adma Adinugraha