Jurnal Agroekoteknologi
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PENGARUH BENZYL AMINO PURIN DAN ARANG AKTIF TERHADAP TINGGI TUNAS DAN JUMLAH TUNAS KRISAN (Chrysanthemum daisy L.) SECARA IN VITRO
Get PDFABSTRACTThis research was about the growth of in vitro Chrysanthemum daisy L.) on medium which used Benzyl Amino Purine (BAP) and activated charcoal. Research aim to determine the growth of Chrysanthemum plant on different concentrations of BAP and active charcoal into medium. This reseach was done in culture laboratory, in Association of Plant Forest Seed and Plantation Banten Province. This research used factorial experiment which arranged in Randomized Complete Design. The treathment consist of two factor. The first factor was BAP concentrate which were consist of five level include 0 ppm concentrate; 0.5 ppm; 1.0 ppm; 1.5 ppm; and 2.0 ppm. Second factor was activated charcoal dossage which consist four level included dossage 0 g L-1; 1 g L-1; 2 g L-1; and 3 g L-1. Based on the result of research showed that interaction in BAP and active charcoal influenced hight bud, but did not influence the number of shoots. The best high of shoots on the age 1-5 WAP (Week After Plants) which given BAP and activated charcoal in vitro medium consist act combination 1-5 WAP A0B1 (0.5 ppm BAP without active charcoal). Singular factor BAP and active charcoal showed that act without BAP and activated charcoal produced the best at 5 WAP.Keywords: Chrysanthemum plant, BAP, and Activated charcoal.
FLUKS GAS METAN (CH4) PADA BUDIDAYA PADI SECARA SYSTEM OF RICE INTENSIFICATION DAN KONVENSIONAL PADA SAWAH PASANG SURUT, LEBAK DAN BERIRIGASI
Get PDFABSTRACT The research was conducted at fresh water swamp, tidal swamp and irrigated Rice field.Fresh water swamp and Tidal swamp located countryside Betung, subdistrict Pulau Rimau and Sako, subdistrict Rambutan, Regency Musi Banyuasin. While irrigated lowland rice countryside at 0mangunhardjo, Subdistrict Purwodadi, Regency Musi Rawas, from June through October 2010. The research was aimed to knowing and comprehend or understand with to decreased fluxe and emission methane produced and compared with three ecosystem lands cultivated S.R.I. The split plot design was appllied in the research. The treatment main plot consisted of lowland rice (T) with three factors: fresh water swamp (T1), Tidal swamp (T2) dan Irrigated rice field ( T3) and sub plot cultivated (S) there were two factors: convensional (K) and S.R.I (S). The result showed that the rice cultivated S.R.I can decreased of flux methane 40-71% and in the form of emission of gas metan one growing season plant may decrease 19-53 %. Being emang three ecosystem may decrease 61-66 %. Measurement of methane gases emission for the three ecosystem rice field to each other every a period of growth showed the declaned at the age 8 week after planting. Later then the total emission of methane increased before harvest. Key Word: Convensional, Flux and Emission, Fresh Water Swamp, Methane, SRI, Tidal swamp.
IDENTIFIKASI MIKRORGANISME TERBAWA BENIH KEDELAI VARIETAS GALUNGGUNG, WILIS, DAN ANJASMORO
Get PDFABSTRACTThe objective of this experiment was conducted to identification of seed-borne microorganism that infected or contaminated soybean from Galunggung, Wilis, and Anjasmoro varieties. Soybean seed samples were collected from BB Biogen Cimanggu Bogor. One hundred seeds used by random sampling method as the work sample in seed health testing were obtain from 1000 gram of the sample. Testing method that been used were blotter test and agar test. Bacteria and twelve genera of fungi were found from this experiment. They were Rhizopus, Aspergillus, Fusarium, Alternaria, Culvularia, Mucor, Pythium, Corynespora, Cercospora, Colletotrichum, Phoma, and Pythium.Key words: identification, microorganism, soybean, seed-born
SIFAT KIMIA ULTISOLS BANTEN AKIBAT PENGOLAHAN TANAH DAN PEMBERIAN PUPUK KOMPOS
Get PDFABSTRACTThe objective of this experiment were find out interaction effect between soil tillage and Compost dose to some chemistry properties of Ultisols Banten . The experiment was carried at the Kampung Baru Petir Serang Banten from June to September 2008, by using Randomized Block Design with factorial pattern and three replications. The first factor was soil tillage (one, two and three time tillage), and the second factor was compost dung (0; 10; 20; and ton ha-1). The data of experiment were analyzed by Fisher test and Duncan multiple range test =0,05 The result of experiment showed there was interaction effect between soil tillage and compost dosages only on the soil pH, but independently soil tillage and compost dosages application gave significant effect chemical properties ( C-Organic, and Nitrogen).Key words: Soil Tillage, Compost dung, Ultisol
PENGARUH PERLAKUAN KOLKISIN TERHADAP JUMLAH KROMOSOM DAN FENOTIP TANAMAN CABE KERITING (Capsicum annuum L.)
Get PDFABSTRACTSeed of red chilli plants has been induced with different consentrations of cholchisine 0,01%, 0,025% dan 0,05% in 24 hours incubation. The best consentration of cholchisine to induce these plants from diploid to poliploid was 0.025%. With this treatment root tip was dwelling, 90,82% in red chilli plants. Chromosomal microscope preparation of root tip dwelling showed tertaraploid chromosome which indicate tetrapolid character. The tetraploid plants show different morphology character comparing with diploid plants. The tetraploid plants are shorter, stems diameter are bigger, leaves size are wider and corollas are longer but flowering slower than diploid plants. Chromosome of anther buds was also showed tetraploidi, 95,83% in red chilli.Keywords: cholchisine, ploidy level, phenotype, red chilli plant
ANALISIS KANDUNGAN DIOSMIN TANAMAN SELEDRI PADA BERBAGAI MEDIA TUMBUH
Get PDFABSTRACTThe celery plant well known as herbs especially because of celery’s odor and it also have a lot of positive impact to health, for example antidiuretic, antiplasmodic and antiinflammatory. This impact because of celery secondary metabolite one of them is diosmin. The non-optimum plant growthenvironment will induce secondary metabolite production. This research aim is to find the plant medium that will produce most diosmin content. Celery was planted on six kind of plant medium that was dolomite lime andosol, compost andosol, sand andosol, dolomite lime podsolic, compost podsolic and sand podsolic media. Six weeks after growing in a green house wich temperature 27,3 0C. Selery was harvested and dried on the oven. Futhermore the diosmin content was measured qualitative by TLC and Quantitative by HPLC. The highest diosmin content is 1754,90 ppm showed on dried celery from dolomite lime andosol media, from dolomite lime podsolic media is 1424,57 ppm, from compost andosol media is 1134,2 ppm and the lowest from sand andosol.Key words: celery, diosmin, plant media, HPL
PENINGKATAN PERTUMBUHAN BIBIT OKULASI KARET ( Havea brasilliensis Mull arg) KLON ANJURAN DI POLIBEG DENGAN PPC
Get PDFABSTRACT Rubber is forest commodity which planted most in Jambi with total area of 558.570 ha (97 % of community’s forest) and most are very old plants. Regeneration in commercial level has been done, however the quality of seedling was doubtful. Formers have their own preferency on superior clone of rubber such as PB260, RRIC100, and BPM24 but growth characteristics of those clones were not very well known yet. Thertore, research on growth of suggested clones need to be done done with optimal application of fertilizer research was conducted at trial plot of BPTP Jambi from May to November 2008. The experimental design was Completelty Randomized Design (CRD) with factorial assessed factory were : (1) Suggessted clone of rubber consist of A1 (BPM24), A2 (RRIC100), A3 (PB260) and (2) concentration of PPC Bayfolan consist of 5 lenels : Bo (Control), B1 (1,5 ml L-1), B2 (1,5 ml L-1), B3 (3 ml L-1), B4 (4,5 ml L-1), B5 (4,5 ml L-1). Parameters abserved were apical, langth, dry meight of roots, dry meight of apical, leaf total width, and quality index. Results shomed that there was in feraction betueen apical leugth and dry meight of apical, the highest yield was tahen from combination of A2B2. Parameters of root dry weight, leaf total width and quality index pave significanthy effect, RRIC100 gone the highest volume. PPC Bayfolan 3mll-1 gove the best yield. In overall, clone treatments gone significant effect on growth of seedling in the polibags while effect of PPC bayfolan shomed that there was optimum concentration on each suggested clone.Keywords: Seedling Grafting Rubber, Havea brasilliensis Mull arg, superior clone, PPC
PEMBENTUKAN KALUS BEBERAPA KULTIVAR TEBU (Saccharum officinarum L.) DENGAN KONSENTRASI 2.4 D BERBEDA
No full textABSTRACTSugarcane (Saccharum officinarum L.) is one of the most important crop in Indonesia. Improvement of sugarcane productivity mainly depend on quality of cultivar. Alternative method such as in vitro culture technique are needed to be uses to multiply clones of sugarcane. As the first step in many tissue culture experiment, it is necesssary to induce callus formation from the primary explantbefore regeneration to be plantlets. The objective of the study were to find the best callusing medium using several concentration of 2.4 D. The study was conducted using factorial design with Randomized Completely Design, with10 replicates. The first factor were: several culture 2.4 D media [kinetine 0.1mg l-1 + 2.4 D (1; 2; 3 dan 4 mg l-1)], and the second factor were sugarcane varieties (cv. Triton, cv. PSJT 94-41, and cv. PA 175). Data were analyzed by Duncan’s Multiple Range Test (DMRT) 5 %. Best callus induction from 3 clones of sugarcane was observed on medium containing 3 mg l-1 2.4 D. The optimum callusing medium for Triton cv, PSJT 94-41 cv. and PA 175 cv. respectively: 3,38; 3,79 and 2.85 mg l-1 mg l-1 2.4 D.Key words: sugarcane, callusing, 2.4 D, in vitr
VARIABILITAS GENETIK GENERASI F2 PADA KARAKTER UKURAN BIJI KEDELAI [Glycine Max (L.)]
Get PDFABSTRACTSeed size characters measure represent an important factor of production and determinant in physical indicator to determine consumer fascination as completely seed. Genetic Variability represent the breeder seeds basis to find a new variety that genetically having high yield. This research aim to to know seed size measure character genetic variability from F2 soybean, crossing between big seed size measure parental with small seed size measure parental. Result of the research showed that there are wide of genetic variability. Genetic variability of vascular bundle system is an important new varieties parameter in recombining genetically high yield. A hundred seed weight, seed length, seed thickness and seed width had wide genetic and phenotypic variabilityKey words: genetic variability, seed size, F2, soybea
JUMLAH BINTIL AKAR DAN HASIL KACANG TANAH (Arachis hypogaea L.) KULTIVAR LOKAL ASAL PANDEGLANG PADA KONDISI KETERSEDIAAN AIR TANAH YANG MENURUN
Get PDFABSTRACTThe objective of this experiment were find out responses various local peanut cultivars of Pandeglang to soil water availability decline condition. Randomized complete block design with three replications was used in this experiment. First factor is level of soil water availability consisted of three levels (100%, 75%, and 50%). Second factor is local cultivar of Pandeglang consisted of four levels(local cultivar of Menes, of Cibaliung, of Malingping, and of Cikeusik). Result of research indicates that decline soil water availability results degradation of number of root nodules and seed wight per plant for all local cultivar peanut of Pandeglang. Degradation of soil water availability out of 100% becomes 75%to result degradation of number of root nodules per plant average of 24,59% and degradation of soil water availability out of 100% becomes 50% to result degradation of number of root nodules 31,15%. Degradation of soil water availability out of 75% becomes 50% doesn't show degradation of number ofroot nodules manifestly. Degradation of soil water availability out of 100% becomes 75% to result degradation of seed wight average of 10,77% and degradation of soil water availability out of 100% becomes 50% to result degradation of seed wight 22,08%. Degradation of soil water availability out of75% becomes 50% doesn't show degradation of seed wight manifestly.Key words: local cultivar, peanut, root nodule, soil water availabilit