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All Journal JURNAL PEMULIAAN TANAMAN HUTAN Jurnal Wasian Jurnal Wasian
Dede Jajat Sudrajat
Balai Penelitian dan Pengembangan Teknologi Perbenihan Tanaman Hutan
Agriculture, Biological Sciences & Forestry Education

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KERAGAMAN MORFO-FISIOLOGI BENIH SUREN (Toona sinensis) DARI BERBAGAI TEMPAT TUMBUH DI SUMATERA DAN JAWA Dharmawati F Djam'an; Dede Jajat Sudrajat
Jurnal Pemuliaan Tanaman Hutan Vol 11, No 2 (2017): 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 (693.303 KB) | DOI: 10.20886/jpth.2017.11.2.139-150

Abstract

Suren (Toona sinensis) is a potential multipurpose species that is more cultivated at upland community forests, especially in Java and Sumatra islands. This research was aimed to assess the variation of fruit and seed morpho-physiological characters and to investigate the contribution of geoclimate and genetic factors on the fruit and seed morpho-physiological characters of suren. Seeds were collected from seven populations in West Sumatera, Jambi and West Java on March – May 2015. Morphological parameters measured were size and weight of fruits and seeds, while the physiological parameters measured were seed germination and storability. Analysis of variance revealed significant morpho-physiological differences among populations for all the morpho-physiological parameters studied. Cimalaka population provided the better seed quality compared to seed quality from the other populations, mainly for seed physiological parameters. Most of the parameters was not correlated with geo-climate factors, except for number of empty seed that negatively correlated with mean annual temperature and seed wing width negatively correlated with altitude. Genotypic variance and genotypic coefficient of variance for all fruit and seed parameters were found to be higher than corresponding environment variance and environment coefficient of variance, indicating that the genotype explained most of the variance for these parameters. In particular, high heritability values coupled with high genetic gain were found for germination capacity and germination speed. Principal component analysis of various parameters of fruit and seed revealed that most of the geographically distant populations are genetically close.
Improving of Degraded Soil Quality for Ficus variegata Nursery Media by Adding Organic Matters and NPK Fertilizer Danu Danu; Dede Jajat Sudrajat
Jurnal Wasian Vol 6, No 2 (2019): Jurnal Wasian
Publisher : Balai Penerapan Standar Instrumen Lingkungan Hidup dan Kehutanan (BPPLHK)Manado

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.20886/jwas.v6i2.4720

Abstract

The availability of topsoil which is relatively fertile to use as seedling media is more and more limited so that the low nutrient degraded soil become alternative media for tree seedling nursery.  The purpose of the research was to get the combination of degraded soil media mixture for nyawai (Ficus variegata) seedling media in nursery. The degraded soil collected in the heavy eroded soil in Rumpin Villages, Rumpin Sub District, Bogor. Completed random design with factorial was used to test the media mixture treatments and NPK fertilizer dosages on the growth of nyawai seedling. A pair of leaves seedlings was transplanted on 5 media treatments, i.e. top soil, degraded soil, degraded soil  70 % + compost 30 % (v:v), degraded soil 90 % + rice husk charcoal 10 % (v:v), and degraded soil 60 % + compost 30 % +  rice husk charcoal 10 % (v/v). The dosage of NPK fertilizer was used as much: 0 g, 0.5 g polybag, and 1.0 g/polybag. The result showed that interaction of media and NPK fertilizer dosages was only affected on seedling biomass parameter. The interaction treatment of the mixture media of degraded soil 60 %, compost 30 % and rice husk charcoal 10 %  could increase the growth of nyawai seedlings high by 30.60 % and fertilizer treatment of 1 g NPK could increase seedling biomass 6.21 g.  The mixture media and fertilizing treatment by NPK 1 g can be alternative media on nyawai nursery.Keywords: Ficus variegata, soil media, seedlings, growth
Improving of Degraded Soil Quality for Ficus variegata Nursery Media by Adding Organic Matters and NPK Fertilizer Danu Danu; Dede Jajat Sudrajat
Jurnal Wasian Vol 6, No 2 (2019): Jurnal Wasian
Publisher : Balai Penerapan Standar Instrumen Lingkungan Hidup dan Kehutanan (BPPLHK)Manado

Show Abstract | Download Original | Original Source | Check in Google Scholar | Full PDF (77.942 KB) | DOI: 10.20886/jwas.v6i2.4720

Abstract

The availability of topsoil which is relatively fertile to use as seedling media is more and more limited so that the low nutrient degraded soil become alternative media for tree seedling nursery.  The purpose of the research was to get the combination of degraded soil media mixture for nyawai (Ficus variegata) seedling media in nursery. The degraded soil collected in the heavy eroded soil in Rumpin Villages, Rumpin Sub District, Bogor. Completed random design with factorial was used to test the media mixture treatments and NPK fertilizer dosages on the growth of nyawai seedling. A pair of leaves seedlings was transplanted on 5 media treatments, i.e. top soil, degraded soil, degraded soil  70 % + compost 30 % (v:v), degraded soil 90 % + rice husk charcoal 10 % (v:v), and degraded soil 60 % + compost 30 % +  rice husk charcoal 10 % (v/v). The dosage of NPK fertilizer was used as much: 0 g, 0.5 g polybag, and 1.0 g/polybag. The result showed that interaction of media and NPK fertilizer dosages was only affected on seedling biomass parameter. The interaction treatment of the mixture media of degraded soil 60 %, compost 30 % and rice husk charcoal 10 %  could increase the growth of nyawai seedlings high by 30.60 % and fertilizer treatment of 1 g NPK could increase seedling biomass 6.21 g.  The mixture media and fertilizing treatment by NPK 1 g can be alternative media on nyawai nursery.Keywords: Ficus variegata, soil media, seedlings, growth
Co-Authors Danu Danu Dharmawati F Djam'an