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

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Penggunaan Vermikompos dalam meningkatkan mutu inokulum fungi mikoriza arbuskula Asrianti Arif; Husna Faat; Mahfudz Mahfudz
Jurnal Pemuliaan Tanaman Hutan Vol 3, No 2 (2009): Jurnal Pemuliaan Tanaman Hutan
Publisher : Center for Forest Biotechnology and Tree Improvement (CFBTI)

Show Abstract | Download Original | Original Source | Check in Google Scholar | Full PDF (1277.313 KB) | DOI: 10.20886/jpth.2009.3.2.53-62

Abstract

Arbuscular mycorrhyza fungi (AMF) constitutes one of biological agent which is able to enhance the growth and productivity of plant. AMF reproduction has been frequenly done as well as inoculum formulation improvement. It is done by adding other subtances like organic fertilizer which is aimed at speeding up plant growth response prior to associating with AMF and increasing more growth after associating with AMF. Thus, This research is aimed at studying the response of AMF selected types G.etunicatum and Glomus sp. Toward  vermicompost and test vermicompost addition in increasing AMF inoculum quality. The research is factorial experiment with RAL using two treatment factors. First factor is AMF inoculum factor and the second factor is medium formulation. The research revealed that G.etunicatum is more tolerant on vermicompost addition compared to Glomus sp. (indegenous), the use of vermicompost, G.etunicatum type with 30% vermicompost  namely 0,12 x 104 propagul and Glomus sp. Type with 40% vermicompost is 0,19 x 104. Vermicompost residual as early nutrient supply for crop
ANALISIS SISTEM PERKAWINAN MERBAU (Intsia bijuga O. Ktze) DI PAPUA BERDASARKAN PENANDA ISOENZIM Mahfudz Mahfudz; Mohammad Na'iem; Sumardi Sumardi; E B Hardiyanto
Jurnal Pemuliaan Tanaman Hutan Vol 4, No 2 (2010): 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.2010.4.2.109-116

Abstract

Merbau (Intsia bijuga O. Ktze) is an important species to supply wood in Indonesia. Mating system on natural population of merbau can influence genetic diversity of merbau. The objectives of this study were to investigate mating system on natural forest of merbau in Papua. The research used 200 samples of merbau from 10 mother trees in Gunung Meja Forest Research Manokwari-Papua. Isoenzyme analysis was done using four enzyme systems i. e. Peroxidase (POD), Esterase (EST), Glutamate Oxaloacetate Transaminase (GOT) dan Diaphorase (DIA). Data were analysed using MLTR program. The result showed that average genetic diversity (He) 0.463 and total heterozygosity (HT) 0.496. The multilocus population outcrossing rate (tm) and singlelocus population outcrossing rate (ts) were tm = 1.00 and ts = 0.992. Probability of inbreeding rate (tm  - ts) = 0.008.
Co-Authors Asrianti Arif E B Hardiyanto Husna Faat Mohammad Na'iem Sumardi Sumardi