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Produksi Seresah pada Tegakan Hutan di Blok Penelitian dan Pendidikan Taman Hutan Raya Wan Abdul Rachman Provinsi Lampung Riyanto Riyanto; Indriyanto Indriyanto; Afif Bintoro
Jurnal Sylva Lestari Vol. 1 No. 1 (2013): September
Publisher : Department of Forestry, Faculty of Agriculture, University of Lampung

Litter had an important function in a forest. The nutrients were derived from the litter is useful to improve the soil. The purposes of the research to determine the production of the litter, the analyse plants species and stands density, the correlation between litter production and stands density, the correlation between litter production and the number of plant species at research and educational block of Wan Abdul Rachman Great Forest Park. The research was conducted on October-December 2011 by using partition-line method. The litter was taken on a plot 1 m x 1 m in size systematically. The plants species found in the research area were avocado, palm, bisoro, cocoa, dadap, duku, durian, rubber, hazelnut, coffea, jackfruit, petai, betel nuts, rambutan, rosewood, and gnetum gnemon. The density of stands in research area dominated by cocoa trees. Based on the correlation analysis, forest stand density known influence the litter production. The high forest stand density increases litter production, whereas the correlation among litter production and the number of plant species is less influential, because not every plant able to fall out the leave easily. Keywords: forest stands, litter, research and educational block

Pengaruh Beberapa Dosis Pupuk Dan Beberapa Media Tumbuh Terhadap Pertumbuhan Bibit Jabon (Anthocephalus Cadamba) Sondri Kurniawan; Afif Bintoro; Melya Riniarti
Jurnal Sylva Lestari Vol. 2 No. 1 (2014): January
Publisher : Department of Forestry, Faculty of Agriculture, University of Lampung

Jabon wood (Anthocephalus cadamba) is a fast growing species. Currently, jabon wood is play an important rile for timber industry, included plywood, lamina, and the other timber industry. To improve the quality of wood jabon, necessary for the addition of fertilizer and improved media. Application of multiple doses of fertilizers with several media compositions was expected could increase the growth of jabon wood seedling. This observation aimed to know the effect and interaction of media composition and fertilizer on the growth of jabon wood seedling. The observation was conducted in greenhouse of Agriculture Faculty, Lampung University for 4 months. The observation was compiled factorially (3x4) in a completely randomized design (CRD) with 3 replications. The first factor was the composition of the soil medium consisting of red-yellow podzolic (100%); red-yellow podzolic + sand (1:1); red-yellow podzolic + rice husk (1:1), while the second factor was the dose of fertilizer consists of 0 g, 0.5 g , 1 g, and 1.5 g. The observed variables are added height, diameter, number of leaves, root length, and total dry weight. The results showed that media composition significantly affected, diameter, number of leaves and total dry weight. Fertilizer did not significantly affected height increment, diameter, number of leaves, root length, and total dry weight, there was no interaction between several media compositions with fertilizer. The best treatment to all growth parameters was red-yellow podzolic soil + sand (1:1) with all fertilizer doses. Keywords: fertilizer, jabon wood, podzolic,red-yellow, rice husk

Inventarisasi Jenis Tumbuhan Obat Di Hutan Mangrove Desa Margasari Kecamatan Labuhan Maringgai Lampung Timur Supriyanto Supriyanto; Indriyanto Indriyanto; Afif Bintoro
Jurnal Sylva Lestari Vol. 2 No. 1 (2014): January
Publisher : Department of Forestry, Faculty of Agriculture, University of Lampung

Mangrove forest in Lampung Mangrove Center (LMC) Margasari village at East Lampung is one area that still has good condition to keep a variety of potential to be explored such as medicinal plants. Purpose of this study was to determine of species, diversity, and functional properties of mangrove plants for medicine. Research conducted in April 2012 in village 12 Translok at Margasari village East Lampung. Data retrieval is using method checkered lines, and interviews with the public, as well as literature. Number of sample plots used 12 pieces. Data were analyzed using the formula density, relative density, frequency, relative frequency, important value index, and diversity index Shannon. Based on the result of the research have been known 7 species of plants as medicine, among others: api-api (Avicennia marina) to cure rheumatism and toothache; jeruju (Acanthus ilicifolius) cure for cancer and diabetic; nipa (Nypa fruticans) medication for asthma and diabetes; bakau (Rhizophora apiculata) for antiseptic; beluntas (Pluchea indica) for body odor; jenu (Derris trifoliata) for a laxative; and tapak kuda (Ipomoea pescaprae) to cure wounds and ulcers. Api-api is a dominant plant and widest spread because it has an important index as value high as 144.24% and frequency 67.5%. Beluntas plant has the highest density of 12,708.33 individual/ha.Mangrove forest Margasari village at village 12 Translok have low diversity, because the calculation of the index obtained values Shannon H'=0.44. Keywords: inventory, mangrove forest, medicinal plant

Respon Setek Cabang Bambu Kuning (Bambusa Vulgaris) Terhadap Pemberian Aia Yosepin K. Simangunsong; Indriyanto Indriyanto; Afif Bintoro
Jurnal Sylva Lestari Vol. 2 No. 1 (2014): January
Publisher : Department of Forestry, Faculty of Agriculture, University of Lampung

Yellow bamboo is one of the bamboo species which used for industrial and house-hold materials, because it has a thick trunk outer layer, length of fiber, and beautiful shape. The success of cuttings grown yellow bamboo branch was lack. To increase the success of the yellow bamboo branches grow cuttings used growth regulators. Therefore, the research was conducted by giving indole acetic acid on yellow bamboo branch cuttings. The objective of this research was to known the growth of yellow bamboo branch cuttings by giving indole acetic acid and known the concentration of the indole acetic acid were the best influence on the growth of yellow bamboo branch cuttings. The research was designed with complete randomized design (CRD) with five treatment, five experimental units, and five branch cuttings for each experimental unit. The concentration of indole acetic acid (IAA) was 0 ppm, 100 ppm, 200 ppm,300 ppm, and 400 ppm. To test the homogeneity range done with Bartlett test, the data will be tested by analysis of variance and then further tested with honestly significant difference test. Yellow bamboo branch cuttings growth by percentage of life parameters, number of shoots, shoot length, shoot diameter, and a significant number of leaves is known, whereas for root length parameter is not significant. Keywords: branch cutting, indole acetic acid, yellow bamboo

Pengaruh Perendaman Benih Pada Berbagai Suhu Awal Air Terhadap Viabilitas Benih Kayu Afrika (Maesopsis Eminii) Oben Oben; Afif Bintoro; Melya Riniarti
Jurnal Sylva Lestari Vol. 2 No. 1 (2014): January
Publisher : Department of Forestry, Faculty of Agriculture, University of Lampung

One of the propagation problems in generative of umbrella tree was seed dormancy. To break the seed dormancy of umbrella tree seed, soaking at different initial temperatures of water was used. The objectives of this research were to find out the effect of initial temperature treatment to the germination percentage, the germination speed rate, and the ability to germinate, and also to find the optimum initial temperature for umbrella tree germination. The research has started February until May 2012 in PT. Anugerah Subur Sejahtera, Ulak Bandung Village, sub-districtofMuara Sahung, Kaur Regency, Bengkulu.This research used completely randomized design (CRD) with 4 treatment and 3 replications, each series of experiments used 100 seeds. The result shown that soaking treatment at different initial temperature of water has been significantly affected the germination percentage, and the umbrella tree seed without soaking gave the best result. Keywords: germination, scarification, seed viability, umbrella tree

Pengaruh Lama Waktu Perendaman Dengan Air Terhadap Daya Berkecambah Trembesi (Samanea Saman) Yuli Ardani Lubis; Melya Riniarti; Afif Bintoro
Jurnal Sylva Lestari Vol. 2 No. 2 (2014): May
Publisher : Department of Forestry, Faculty of Agriculture, University of Lampung

Well germination process of rain tree seeds will rised the percentation, capacity, and rate of germination. Nevertheless, there are still some obstacles on the germination process due to it dormancy period. Water is one of medium which could be used to break the dormancy period. This research was conducted at Lampung University green house on March 2012. The aim of this research was to investigate the effect of water submerged time to rain tree germination. This research was arrange on Completely Randomized Design (CRD) with 4 treatment and 4 repeatization. The treatments was the submerging time which was 24, 48 and 72 hours. Test of the similarity range were done by Bartlett test while the analysis by analysis of variance, furthermore the comparison of average values were done by the different test (BNJ) with a 5% confidence interval. The results of this research showed that the effect of submerged time of seed rain tree. The effect of submerged time of seed rain tree for 72 hours was the best percentation of germination and germination of seed rain tree at 68,75% and 80,25%. The submerged time did not effect to rate of germination seed rain tree. Keywords: dormancy, germination, rain tree, scaryfication, submerged

Produksi Dan Laju Dekomposisi Serasah Mangrove (Rhizophora Sp.) Di Desa Durian Dan Desa Batu Menyan Kecamatan Padang Cermin Kabupaten Pesawaran Feri Andrianto; Afif Bintoro; Slamet Budi Yuwono
Jurnal Sylva Lestari Vol. 3 No. 1 (2015): January
Publisher : Department of Forestry, Faculty of Agriculture, University of Lampung

Mangrove litter leaf represent the organic substance supplier towards fertility of mangrove ecosystem, that able to support the mortal life within. The area of forest of mangrove represent the nursery ground, feeding ground, and area of spawning ground for various fish type, prawn and other biota sea and also as producer of amount of detritus for plankton as main foods source of the sea. The objectives of this research were to know production and decomposition rate of mangrove litter leaf in the mangrove ecosystem of Durian Village and Batu Menyan Village, Padang Cermin subdistrict, Pesawaran regency. Data was analysed by calculating the dry weight mean of litter leaf production and to counting decomposition rate was using the exponential rank function or from absolute decomposition percentage of litter leaf per day. This research was conducted in two place (station) based on the difference of substrate characteristic. The research conducted from October to December 2013. The productivity of mangrove's litter leaf in both places is 0.56 g/m2/day, where the leaf organ gave the higgest contribution, (66%), stick and branch (14%), flower and fruit (20%). Decomposition rate of mangrove litter leaf showed that at the second station ( 0.20 g/hr) was faster than the first station (0.19 g/hr). Keywords: Decomposition rate, litter leaf litter leaf, mangrove, production

Identifikasi Jenis Liana Dan Tumbuhan Penopangnya Di Blok Perlindungan Taman Hutan Raya Wan Abdul Rachman Tiopan Tua Halomoan Simamora; Indriyanto Indriyanto; Afif Bintoro
Jurnal Sylva Lestari Vol. 3 No. 2 (2015): May
Publisher : Department of Forestry, Faculty of Agriculture, University of Lampung

Liana is one type of plant that becomes typical characteristic of a tropical rain forest ecosystem and its presence adds to the diversity of plant species in the forest ecosystem. The purposes of the study were to identify the species of liana, species of cantilever plant, and to know the number of liana species associated with the species of cantilever plant in the protection block of Wan Abdul Rachman Great Forest Park, especially in the area of Way Balau Sub watershed. The research was conducted on September to Oktober 2013. The sampling method was used line terraced layer. The size of each sample plot was 20 m x 20 m with sub plots 10 m x 10 m, 5 m x 5 m, 2 m x 2 m. Liana and cantilever plants species were inventoried by 0.2% sampling intensity from 796.50 ha. Observed variables were the species and the number of lianas, spesies of cantilever plant and its number. The result of research were identified 8 species of liana and 35 spesies of cantilever plants. Liana density was 1,599 individual/ha and cantilever plant density was 1,594 individual/ha, and it had a good enough distribution because there was no dominant species. The plant that most liked by liana is dadap (Erythrina lithosperma) and liana that mostly found is rayutan (Paederia tomentosa). Keywords: cantilever plant, liana, Protection Block of Wan Abdul Rachman GreatForest Park

Pengaruh Ukuran Berat Benih Terhadap Perkecambahan Benih Merbau Darat (Intsia Palembanica) Windi Wulandari; Afif Bintoro; Duryat Duryat
Jurnal Sylva Lestari Vol. 3 No. 2 (2015): May
Publisher : Department of Forestry, Faculty of Agriculture, University of Lampung

The demand of mirabow wood is increasing nowdays, where as the existence species in the nature is getting reduced. Therefore, it's preservation efforts are urgent to be done. Seed size was correlated with it's vigor, where heavy seeds relatively have a better vigor, compare to the light one. The research was aimed to determine the effect of seed size to percentage of germination, average days to germinate, germination value and germination power of mirabow seeds. The research was conducted in greenhouse of Agriculture Faculty Lampung University on November 2013 to January 2014. The research was arranged in Complete Random Design (CRD), with 3 treatments and 4 replications. Seed are classified based on the weight of seed is heavy weight, medium weight, and light weight. Each unit of experiments was used 100 mirabow seeds. The observed variables were consisted of germination percentage, average day to germination, germination value, and germination power. Data analysis methods used were homogeneity of variance, variance analysis, and least significant of difference test at 5% significant level. The results showed that seed size of mirabow has a positive effect to the germination. The heavy weight of seed (> 3.49 grams) gave a better response for germination percentage 80.250% and germination value 1.595 %/day compared with the medium weight (2.36--43.49 grams) and light weight (< 2.36 grams). Keywords: germination, mirabow, seed size

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