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All Journal JURNAL PEMULIAAN TANAMAN HUTAN
Burhan Ismail
Balai Besar Penelitian Bioteknologi dan Pemuliaan Tanaman Hutan Yogyakarta
Agriculture, Biological Sciences & Forestry

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VARIASI GENETIK UJI PROVENAN MERBAU SAMPAI UMUR 3 TAHUN DI BONDOWOSO, JAWA TIMUR Tri Pamungkas Yudohartono; Burhan Ismail
Jurnal Pemuliaan Tanaman Hutan Vol 6, No 1 (2012): Jurnal Pemuliaan Tanaman Hutan
Publisher : Center for Forest Biotechnology and Tree Improvement (CFBTI)

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.20886/jpth.2012.6.1.27-36

Abstract

Merbau (Intsia bijuga) is one of high economic value timbers. Establishment of seed source of merbau is essential tosupply qualified seeds for plantation. Center for Forest Biotechnology and Tree Improvement has established provenance test of merbau at Sumberwringin Research Forest in Bondowoso, East Java. The objectives of this study are to know survival and genetic variation of growth traits in provenance test plot of merbau. This provenance test was designed as Randomized Complete Block Design with single factor of provenance consisted of Halmahera Timur, Waigo, Oransbari, Wasior, Nabire and Seram. Each provenance comprises 3 blocks as replication and 60 treeplots of each block. The result showed high survival rate of all provenances (above 90 %). Moreover, genetic variation of height and stem diameter among provenances was also high. The best provenance for survival, and height for all observation years was Wasior. The best provenance for diameter for all observation years was Halmahera Timur. Meanwhile, provenance having the best value of survival, height and diameter for all observation years was Halmahera Timur. The  provenance having the worst value of height and diameter for all observation years was Seram. Whereas, the worst provenance of survival at 1, 2 and 3 years old were Waigo, Halmahera Timur dan Seram, respectively.
ADAPTABILITAS, PERTUMBUHAN DAN REGENERASI PADA PLOT KONSERVASI EX SITU MERBAU Tri Pamungkas Yudhohartono; Burhan Ismail
Jurnal Pemuliaan Tanaman Hutan Vol 7, No 3 (2013): Jurnal Pemuliaan Tanaman Hutan
Publisher : Center for Forest Biotechnology and Tree Improvement (CFBTI)

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.20886/jpth.2013.7.3.179-196

Abstract

Merbau is one of threatened forest genetic resources. Based on IUCN Red List Categories. conservation status of merbau is vulnerable (VU A1cd). Conservation effort of merbau is urgently required to save this species from extinction. Center for Forest Biotechnology and Tree Improvement Yogyakarta had established ex situ conservation plots of merbau in Forest Research in Bondowoso, East Java and Gunung Kidul Yogyakarta. Genetic resources used in those ex situ conservation plots were from seven provenances namely Halmahera Timur, Waigo, Oransbari, Wasior, Nabire, Seram, dan Mandopi/Twanwawi. This research aims to evaluate adaptability, growth and regeneration of merbau plants grown in ex situ conservation plots in Bondowoso dan Gunung Kidul. The ex situ conservation plot in Bondowoso was designed as Randomized Complete Block Design with single factor of provenance. At the ex situ conservation plot in Gunung Kidul each provenance was planted in one block. The results showed that adaptability of merbau plants at ex situ conservation plots in Bondowoso dan Gunung Kidul was good. Growth of height and diameter of merbau plants from several provenances at ex situ conservation plot in Gunung Kidul were better than those in Bondowoso at all observation ages. Height and diameter average of merbau plants at ex situ conservation plots in Bondowoso and Gunung Kidul at one year old were 78.21 cm; 9.58 mm and 97.88 cm; 9.58 mm respectively. Height and diameter average of merbau plants at ex situ conservation plots in Bondowoso and Gunung Kidul at two years old were 95.36 cm; 12.95 mm and cm; 19.62 mm respectively. Regeneration of merbau has been successful at Gunung Kidul  plot. Some of the fallen seeds were then grown  to be wildlings. Whereas, regeneration of merbau at  ex situ conservation plot in Bondowoso was regarded as not successful
EVALUASI AWAL UJI KETURUNAN SENGON (Falcataria molucca) UMUR 8 BULAN DI KABUPATEN KEDIRI JAWA TIMUR Burhan Ismail; Yayan Hadiyan
Jurnal Pemuliaan Tanaman Hutan Vol 2, No 3 (2008): Jurnal Pemuliaan Tanaman Hutan
Publisher : Center for Forest Biotechnology and Tree Improvement (CFBTI)

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.20886/jpth.2008.2.3.287-293

Abstract

Falcataria moluccana seedling seed orchards was established in 2006 located in Kediri East Java in collaboration between the Center for Forest Biotechnology and Tree Improvement Research and Development and Perum Perhutani. 77 open-pollinated families from four seed sources were progeny tested in Pare Kediri, East Java. The trial was arranged in a randomized completely block design, 4 tree line plot and replicated 6 times. At 8 months of age there were significant differences among seed sources for diameter. The survival rate of family varied from 54.2 % to 86.5%. Difference betwen families within seed sours were significant only for diameter growth. Heritability estimanes for diameter were moderate (h2i= 0.16; h2f = 0.42).).Genetic correlation beetwen diameter and height was strong (rg = 0.89) and higher than  phenotipic correlatione (rp = 0.86). 
Co-Authors Tri Pamungkas Yudhohartono Tri Pamungkas Yudohartono Yayan Hadiyan