Enviagro: Jurnal Pertanian dan Lingkungan
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PENGARUH PEMBERIAN BERBAGAI JENIS ADENDA DALAM MEDIA ½ MS TERHADAP PERTUMBUHAN SEEDLING ANGGREK PHALAENOPSIS IN VITRO
Get PDFGrowth of in vitro seedling Phalaenopsis orchid can be enhanced by using ½ Murashige and Skoog (MS) medium which was supplemented with organic additive. The purpose of this study is to investigate the effects of organic additives in the ½ MS medium and to determine the best organic of organic additives on Phalaenopsis seedling growth. Culture medium (½ MS) was supplemented with coconut water, banana pulp, carrot extract, tomato extract and pineapple extract. The results showed that ½ MS medium supplemented with coconut water 100 ml/L could increase growth of Phalaenopsis orchid to the number of roots and wet weight. In addition, ½ MS medium supplemented with 200 g/L showed statistically significant to the leaf length. Furthermore, coconut water is the best organic additive for development of in vitro seedling Phalaenopsis orchid
RESPON PERTUMBUHAN PLANLET ANGGREK PHALAENOPSIS HIBRIDA TERHADAP PEMBERIAN DUA JENIS PUPUK DAUN DAN BENZILADENIN SELAMA AKLIMATISASI
Get PDFOptimization of planlets growth during acclimatization can be done by using plant growth regulator. This research was aimed to know the effect of two foliar fertilizer and benzyladenin on the growth of Phalaenopsis hybrid orchid planlets during acclimatization stage. The treatment was Growmore and Bayfolan as the foliar fertilizer with the various concentrate of benzyladenin (BA) at BA 0 mg/l, BA 15 mg/l and BA 30 mg/l. The results showed that Growmore foliar fertilizer had the better response of plant height and fresh weight plant compared to Bayfolan foliar fertilizer. BA 30 mg/l was increased the leaf number, and BA 15 mg/l and 30 mg/l was decreased root length and fresh weight plant. There was no interaction between foliar fertilizer and benzyladenin on the growth of Phalaenopsis hybrid orchid planlet
HUBUNGAN ANTARA PERUBAHAN IKLIM DAN PRODUKSI TANAMAN PADI DI LAHAN RAWA SUMATERA SELATAN
Get PDFTidal swamp areas in Indonesia have important role and strategic for agricultural development, especially to support national food security. It has a potency, land productivity and management technology. Tidal swamp land have a large area which potentially used as agricultural land, especially for rice. There are constraints for agriculture in tidal swamp areas, such as: (1) low soil fertility, (2) infrastructure is not optimally function, (3) low education farmer, (4) harvest index once a years, dan (5) high pest attacks. Total damages and losts effected by climate change, such as flood and drought, increase time by time. Because tidal swamp areas have different characteristic, we need information about the condition in an extreme climate change and its damages causes yield loses in tidal swamp areas. The rereach aimed to identify relatedness between climate change and crop production in tidal swamp areas, especially in South Sumatera. Climatic factor which giving effect to production, harvest area and rice productivity in South Sumatera from 2000 to 2012 is rainfall. It means that water availability will greatly effect the production, harvest area, and rice productivity. Sunlight and temperature have not a big role to increase production, harvest area and productivity, but there is increasing trend in temperature and lighting give effect to production, harvest area and rice productivity. Otherwise, high humidity gives effect in decreasing production, harvest area and rice productivity
OPTIMALISASI PRODUKSI KACANG TANAH DAN JAGUNG PADA POLA TANAM TUMPANGSARI DENGAN PERLAKUAN DEFOLIASI JAGUNG
Get PDFoai:ojs2.journal.ubb.ac.id:article/304The purpose of this study was to determine the effect of defoliation in maize to the production of ground nut which grown on intercropped pattern with maize. The research was conducted from June until September 2012 in the Balunijuk village, Merawang subdistrict, Bangka Belitung. The experimental design used in randomized block design with 3 treatments, they were: without defoliation (control), and defoliation at 1 and 2 weeks after pollination in maize. The results showed that the maize defoliation treatment gives a better influence on plant height and weight of 100 seeds on ground nut than without defoliation. While the maize, defoliation treatments at 1 and 2 weeks after pollination could increase the number of cobs/maize
APLIKASI EKSTRAK DAUN MERAPIN (Rhodamnia cinerea) UNTUK MENGHAMBAT Colletotrichum capsici PADA BENIH CABAI
Get PDFR. cinerea leaf is one of leaves with anti-fungi compound that is able to inhibit the growth of C. capsici. This research is aimed to know the impact and the effectiveness as anti-fungi of R. cinerea leaf extract in inhibiting the growth of C. capsici on the chili seeds. This research was conducted at Biology Laboratory, Experimentation and Research Station of the Faculty of Agriculture, Fishery and Biology Bangka Belitung University. The experimentation was carried on Januari 2014 to April 2014. The experiment was conducted in two stages, using randomized completely design with 6 level of treatment (research I), and 4 level of treatment (research II), and 3 replication. Observation data were analysed using analysis of variance (ANOVA) with the level of significance 95%. If the result showed significantly effect, it continued to be tested with Duncan’s Multiple Range Test (DMRT) (research I), and the Least Significance Difference (LSD) (research II). The result showed that the concentration of R. cinerea extract has significantly impact in inhibiting the growth of C. capsici on the chili seeds. The most effective concentration was found on the level of concentration 35% (90,9%) with the least percentage of affected seeds
PENGARUH INDOLEBUTYRIC ACID (IBA) DAN NAPHTHALENE ACETIC ACID (NAA) TERHADAP NODE CUTTING LADA VARIETAS LAMPUNG DAUN LEBAR
Get PDFPepper seed availability in large amount and have high qualities are needed to support pepper development and production. Pepper multiplication by node cutting method is one of alternatives way to provide pepper seed in large amount and quickly. Root stimulation accelerates node-cutting growth and development providing well and uniform pepper seed vigorous with giving growth hormones, such as auxin. The research aimed to identify effect of Indolebutyric acid (IBA) and Naphthalene acetic acid (NAA); combine with Indolebutyric acid (IBA) and Naphthalene acetic acid (NAA) to pepper node- cutting development.The experiment used Complete Randomized Block Design with 25 traits hormone. Data analysis used Complete Randomized Block Design analysis of variance and significant test by Duncan in 95% probability. The results showed that growth hormones (IBA, NAA, and IBA + NAA) give similar effect to node-cutting growth in one node-tip. Pepper node-cutting development in one node-tip obtained by 2000-3000 ppm hormone concentration
IMPLEMENTASI GAP (GOOD AGRICULTURE PRACTICE) LADA DAN PENGARUHNYA TERHADAP PRODUKTIVITAS LADA DI DESA PETALING BANJAR, KECAMATAN MENDO BARAT
Get PDFIndonesia is the second pepper producing country in the world, instead of Vietnam. Bangka Belitung as one of pepper producing area in Indonesia has to increase quality and quantity through Good Agriculture Practice (GAP). Petaling Banjar is one of village which apply GAP system. This research aimed to identify condition of implemenation GAP of pepper in Pataling Barat Village, pepper producitvity, and to analyze the effect of GAP implementation to pepper productivity in Petaling Banjar village. The method used survey to 36 farmers as sample. Data analysis used Double Linear Regression, F-test and T-test. The results showed that land selection and harvest and post-harvest handling variables are in “well’ categories. Water management and seed planting variables are in “good” category. Cultivation and pest and disease control management variables are in “enough” category. Generally, GAP implemented by farmers in Petaling Banjar village categorized to “Good”. Pepper production rate is 0,5 kg/plant and pepper productivity is 798,85 kg/ha. Based on F-test, GAP of pepper gives significant effect to pepper productivity. T-test showed that seed planting gives significant effect to pepper production. Double linear regression test showed that seed planting increase pepper productivity highly with partial-coeficient regression value is 1,503, land selection is 1,068, cultivation is 0,956, water management is 0,737, soil management is 0,279, harvest and post-harvest is 0,214, and pest and disease control management is 0,044
PELESTARIAN PLASMA NUTFAH UBI KAYU LOKAL BANGKA SEBAGAI DIVERSIFIKASI PANGAN LOKAL
Get PDFBangka Island is known to have red-yellow podzolic soil type with acid characteristic and is rarely to take as agricultural land. Planting cassava in local area might be a source for local food needs diversify. The purpose of this study was to determine the productivity of the 10 genotypes cassava landrace on red-yellow podzolic soils type. The experiment conducted in the Balunijuk village, Bangka as reference. Experimental design used randomized block design with 10 genotypes Bangka cassava landrace (Upang, Sekula, Bayel, Mentega, Kuning, Batin, Pulut, Sutera, Rakit and Selangor) as treatments. The results showed that 10 genotypes cassava tested produce well on a red-yellow podzolic soils. Morphological analysis performed on tuber parts of Bangka cassava landrace showed outer skin color, skin and tuber flesh color were vary among genotypes. Sutera had the highest tuber production for 2960 g/plant. Cluster analysis based on isozyme markers divided in two groups with similarity coefficient of 0.742. First group consisted of genotype upang, bayel, mentega, pulut, and sutera. Second group consisted of genotype sekula, batin, kuning, rakit, and selangor
PEMANFAATAN BULU AYAM DAN KOMPOSISI CANGKANG RAJUNGAN UNTUK MENINGKATKAN KUALITAS FISIK DAN KIMIA KOMPOS
Get PDFUtilization of waste chicken feather and crab shells as compost material is an alternative to reduce the environmental pollution caused by waste. This research is identify and study the effect of the addition of crab shells during composting of chicken feather in improving the physical and chemical quality compost chicken feather. The composition compost consists of 1.75 kg of chicken feathers + 0.15 kg of chicken manure + 0.1 kg bran. Treatment includes research R0 without the addition of crab shells, R1 0,2 kg, R2 0,4 kg, R3 0.6 kg shell crab. This research used a cluster randomized design (RAK) consisting of 4 treatment, which was repeated 3 and each treatment has 3 samples, 36 samples were obtained observations. Observations on the observed variables were analyzed using the F test. If there is a treatment that have a real effect, it will continue to use further testing Honestly Significant Difference (HSD) with a 95% confidence level. Physical parameters include is water conten, temperature, and colour of compost. Parameters chemical include is N, P, K, Ca, C- Organik, and C/N ratio. The results showed that the addition 0.6 kg of crab shells only give the effect in improving quality pH (7,29%), Ca (6,8%), P (1,16%), N-Total (4,16%). Variables that have met quality standards by SNI 19-7030-2004 compost is N-total, pH, Ca, C-Organic and Phosphoru
PENGARUH LAMA PENYIMPANAN DAN INVIGORASI TERHADAP VIABILITAS DAN VIGOR BENIH PADI LOKAL BANGKA AKSESI MAYANG
Get PDFIn Indonesia, rice is the staple food of most homes in urban and rural areas. Management of post-harvest activity has an important role on the rice seed quality at the storage period. One of the solutions to overcome seed deterioration is to perform invigoration. It can be conducted in some methods; those are osmoconditioning, hydration-dehydration, and matrioconditioning. The purpose of this study is to determine the effects and interaction of storage duration and invigoration toward seed viability and vigor of Bangka local rice accession Mayang. This study was conducted in the Laboratory of Agrotechnology, Faculty of Agriculture, Fisheries and Biology, University of Bangka Belitung form November 2012 to January 2014. Completely Randomized Design Factorial (CADF) was used as design of experiment of this study. The first factor is the storage duration (L) that consist of 3 treatment levels those are L7 = storage duration (7 months), L8 = storage duration (8 months) and L9 = storage duration (9 months), while the second factor is the invigoration treatment which consist of 4 treatment levels, those are K = controls, P = osmoconditioning using PEG 8000, H = hydration-dehydration and A = husk. The results showed that treatment of storage duration and invigoration statistically significant to the seed viability and vigor of Bangka local rice accession Mayang. However, there was no interaction between storage duration and invigoration. The best result was storage duration of 7 months for seed viability and vigor, while hydration-dehydration method was the best result on invigoration treatmen