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PENGARUH WAKTU PENYIANGAN TERHADAP PERTUMBUHAN DAN HASIL PADI (Oryza sativa L.) YANG DIBUDIDAYAKAN SECARA SRI (The System of Rice Intensification) (The Effect Of Weeding Time Toward The Growth of Paddy at System Of Rice Intensification)
Full text linkThis research aim is to find out the time of weeding for better growth and yield of rice cultivated which is used SRI method. Research was conducted on wet land located on Koto Panjang Ikur Koto (KPIK) village, Koto Tangah District, Padang City. Experiment was arranged in a randomized block design with nine times replication. Time of weeding comprised three levels, namely: a week before planting and a week after planting, one and three weeks after planting, and two and four weeks after planting. Variables observed were growth (number of tillers, leaf area index (LAI), averaged net assimilation rate (NAR), averaged crop growth rate (CGR), yield components (number of productive tillers, percentage of empty grain per tiller, filled grain weight per tiller, and 1000 seeds weight) and GKG (drygrain milled) yield per hectare. Data were analyzed using analysis of variance. Significant variables were then analyzed using Honest Significant Difference (HSD). Results showed that time of weeding had significant effect on growth and yield of rice cultivated using SRI method. Best growth and highest yield were obtained by weeding application in two and four weeks after planting.Key words: SRI, weed, weeding
PENGARUH PEMBERIAN KOMBINASI PESTISIDA NABATI TERHADAP HASIL TANAMAN PADI (Oryza sativa L.) VARIETAS INPARA-3 SECARA SRI
Full text linkThis study aims to determine the effect of combinations of pesticides to pests and rice yield with System of Rice Intensification (SRI) in the tidal area. This Studies was conducted in Kuala Tungkal, especially at one of the farmers fields in Desa Bram ITAM Pembengis Kecamatan Tanjung Jabung Barat. This Studies activity was conducted from September to December 2013. The studies using randomized block design (RBD) with 6 treatments and each factor level in re-treatment 4 times with 5 plants sample. Based on the results of analysis of variance showed that administration of a combination treatment plant pesticides significantly affect plant height, number of tillers, number of productive tillers, grain permalai, production data, the percentage of pests, and no apparent effect on 1000 grain weight. In the tabulation of treatment combinations pesticide plant Leaf Extract Rhizome Extract Soursop + Jeringau get the highest production of 3.69 kg / plot treatment.
Keywords: Rice, Nabati Pestisides, SRI, tidal lan
TANGGAP BIBIT KARET (Hevea brasiliensis Mull. Arg) TERHADAP PEMBERIAN MIKORIZA VESIKULAR ARBUSKULAR DAN PUPUK FOSFOR DI POLYBAG Rubber Seedling Response (Hevea Brasiliensis Mull. Arg) To The Application Of Vesicular Arbuscular Mycorrhizae and Phosphorus F
Full text linkThis research was conducted to determine the response of rubber seedlings to the application of vesicular arbuscular Mycorrhiza (VAM) and phosphorus (P). The design used in this study was completely randomized design (CRD) with two factors: VAM and phosphorus doses. The treatment is VAM doses consisting of 3 levels of mycorrhiza, that is, without mycorrhizae, 10 g/polybag , 20 g/polybag and the provision of phosphorus which consists of 5 levels i.e. without phosphorus, 25% of the recommended dose, 50% of the recommended dose, 75% of the recommended dose , 100% of the recommended dose. Each treatment was repeated 3 times so that there are 45 units of the experiment. Thevariables observed were seedlings height, seedling, diameter, total leaf area, leaf number, root dry weight, shoot dry weight, and percentage of mycorrhizal infection. The results showed that the mycorrhizal 10 g/polybag and 75% of phosphorus of the recommended dose is the best dosage on the growth of rubber seedlings.Key words : Rubber seedling, VAM, Phosphoru
Regenerasi Embriosomatik Tengkawang (Shorea stenoptera Burck.) Pada beberapa Konsentarsi Zat Pengatur Tumbuh GA3 dan BAP ( Somatic Embryos Regeneration of Tengkawang (Shorea stenoptera Burck.) at Various Concentrations of Plant Growth Regulator GA3 and BA
Full text linkThis research was aimed to indentify the effect of varies type and concentration of plant growth regulators for induce callus embryo somatic regeneration from Tengkawang plantlets. The type of plant growth regulators are GA3 and BAP and the concentration of GA3 are 0.1, 0.5 and 1.0 ppm and BAP are 1.0, 3.0, 5.0 ppm. The result of this experiment showed all treatment could induced the regeneration of callus somatic embryos to form a new root organs but failure to induced shoot formation. The highest percentage of root formation was achieved at plant growth regulator BAP 3.0 ppm. Culture which failure to regenerate the new organ, still induced callus with compact structure and at GA3 treatment the colour. Was dominan with sulfur colour dan brown at BAP treatment..Key word: Tengkawang , growth regulator,regenaratio
KAJIAN PAKET PENGOLAAN TANAMAN TERPADU DAN PAKET PETANI PADI GOGO PADA DAERAH ALIRAN SUNGAI BATANG ASAI JAMBI
Full text linkUpland rice production is still low compared with the result of research and genetic potential. The low yield is caused by the use of cultivation technology that is not optimal and the limited of high yielding varieties cultivated that made many farmers still grow local rice for generations. High yielding varieties and Integrated Crop Management (ICM) technology is one of the reliable innovative technologies to increase the upland rice productivity. The study aims to determine the growth and production of upland rice with ICM technology package compared to farmer technology package. The experiment was conducted in the Batang Asai watershed, Panti Village, Sarolangun Jambi District. The study of ICM package and farmers package done by planting the two packages side by side on planting area of 1 ha each, consisting of four farmer cooperator, as well as for replicates. The research was done by using factorial design that compares the ICM package with farmers’ package through the t test. The results indicate that the ICM package provide a better growth and yield than the farmers package, such as the low intensity of leaf and neck blast disease and rice pest pests walang, positively impacted the percentage of grain pithy, weight of 1000 seeds and results. ICM package gives the highest yield 5216 kg/ha, while the farmer package 2,170 kg/ha, so there is an increase in the results of 3,046 kg/ha or 140.37%.
Key words: Upland rice, integrated crop managemen
PENGARUH JENIS BAHAN DASAR DAN DOSIS PUPUK ORGANIK CAIR TERHADAP PERTUMBUHAN DAN HASIL BUNCIS (Phaseolus vulgaris L.)
Full text linkSnap beans (Phaseolus vulgaris L.) is one of the important legumes vegetable crops, and as a good source of protein. More attention has been done to secure high yield and good quality of snap bean and the key role through fertilization with organic fertilizers. This research purpose is to study the effect of various basic materials and doses of liquid organic fertilizers on growth and yield of two snap bean varieties. This experiment was carried out in Teaching and Research Farm, Agriculture Faculty, Jambi University. The research was design in Randomized Blok Design (RBD) the factor were combination between basic materials of liquid organic fertilizers (Gliricidia sepium, Crotolaria juncea, Leucaena leucocephala and Cromolaena odorata), and doses of liquid organic fertilizers. All the treatment replicate 3 times. The treatments were without organic fertilizer but inorganic fertilizers (NPK 16-16-16), Gliricidia sepium (doses 15.0, 20.0 and 25.0 ml/plant), Crotolaria juncea (doses 15.0, 20.0 and 25.0 ml/plant), Leucaena leucocephala (doses 15.0, 20.0 and 25.0 ml/plant), Cromolaena odorata (doses 15.0, 20.0 and 25.0 ml/plant). Data was subjected to Anova and mean comparisons were done using the Least Significat difference (LSD). The result showed there was significant difference effect between the treatments. The highest number of snap bean pod yield was achieved at Crotolaria juncea 25 ml/plant but there are no significant differences with Cromolaena odorata at 25 ml/plant and control .
Keywords: Snap, Crotolaria, Leucaena, Cromolaena
EKSPLORASI CENDAWAN ENDOFIT DARI TANAMAN CABAI YANG BERPOTENSI SEBAGAI AGENS BIOKONTROL PENYAKIT ANTRAKNOSA (Colletotrichum acutatum L.) (Exploration of Endophytic Fungi from Pepper as Biological Control Agents of Anthracnose (Colletotrichum acutatum L.)
Full text linkAnthracnose caused by Colletotrichum acutatum is one of devastated disease of pepper in Indonesia and has great impact on yield loss. Most of farmers use fungicides as controller for this disease. Application of biocontrol agents could be solution to control anthracnose. Beneficial microorganism, such as endophytic fungi are able to be promising biocontrol agents of some pathogens, including Colletotrichum acutatum. The aim of this research was to isolate endophytic fungi from fruit and branch as biocontrol agents for pepper anthracnose. The research resulted 11 isolates of endophytic fungi that were further tested against anthracnose. Isolates of endophytic fungi were identified as steril hifa hitam 1, steril hifa hitam 2, steril hifa 1, steril hifa 2, Nigrospora sp., Coniotyrium sp., Cylindrocarpon sp., Paecilomyces sp. The 3 of other isolates (isolat buah 5, isolat buah 1dan isolat batang 24) were not identified yet. Â Keyword : Pepper, antrachnose, C. acutatum, endophytic fung
FENOLOGI PERTUMBUHAN VEGETATIF DAN GENERATIF TANAMAN DUKU VARIETAS KUMPEH PADA BERBAGAI UMUR (The Phenology of Vegetative and Generative Growth of Duku Kumpeh Varieties at Various Age)
Full text linkThe objective pf this research was to determine the phenology of vegetative and generative growth of duku plant variety kumpeh at different ages. The treatment was design in randomized block design (RBD) with duku plant age duku as a treatment. The treatments tested were analysis : LA=Age plants less than 25 years; plants LB=Age 25-50 years, and LC=Age 50 years and older plants. On the obtained results, that theair temperature has a positive correlation to the length of shoots, shoots diameter and number of leaves at different plant age duku. Poster for the end of all plant life duku happened in September but there is a difference between the starting time and peak Poster. Flowering in plants duku occurredin the village of Karang Cityin early Octoberis the end of the dry season or the beginning of the rainy season. Duku fruit that reaches fruit set can beharvestedat 125 days after anthesis. Duku plants aged >50 produce fruit that tastes sweeter, with asugarcontent of 18.93% and 0.36% acid levels. Key words :Anthesis, Lansium domesticum, trubu
PENGARUH BIOURINE SAPI TERHADAP PERTUMBUHAN BIBIT KARET (Hevea brasiliensis Mull. Arg) ASAL STUM MATA TIDUR (The Effect of Cattle Biourine to The Growth of Rubber Seedling from Stum Rubber)
Full text linkThe objective of this research was to determine the best biourine concentration on the rubber seedling. This research was conducted at Teaching and Research Farm, Agriculture Faculty, Mendalo Darat, Jambi. This experiment was designed using completely Randomized Design with five treatment, and three replications. The treatments were the level of biourine concentration : uo= 0% bio-urine, u1= 2,5%, u2= 5,0%, u3= 7,5% dan u4= 10,0%. Three were 15 units of treatments. Statical analysis showed that cattle biourine at 7, 5 % gave the best growth of rubber seedling, shoot height and root dry weight. Key word: Urine , rubber, shoo
APLIKASI PUPUK HAYATI TERHADAP PERTUMBUHAN DAN PRODUKSI PADI DI LAHAN SAWAH
Full text linkThis study aims to determine the optimal dose effect of the use of biofertilizers on growth and rice production in the field. The study was conducted from October 2013 to February 2014, in Kepung district, Kediri. The design used was a randomized block design (RBD) was repeated 3 times, with treatment as much as 13, which is a combination of biofertilizer (0, 30, 60, 90 kg/ ha), organic matter (0, 1000, 2000, 3000 kg/ha) and fertilizer (NPK 60%: 50%: 100%). For comparison (farmers) are no biofertilizer, of 300 kg urea+48 kg SP 36+50 kg KCl/ha. The results showed that the biofertilizer application had no significant effect on plant height, but the real impact on the number of tillers. The combination of biofertilizer 30 kg/ha and organic materials 3 tons/ha gives the highest number of tillers, with weights GKP production of 7.04 t/ha. While the production of GKP highest weight (7.38 t/ha), resulting in a biolfertilizer dose combination treatment of 60 kg/ ha+organic material 3 t/ha, followed by treatment of the combination of biofertilizer dose of 90 kg/ha+organic material 3 t/ha of 6.9 t/ha, as well as a combination of biofertilizer dose of 90 kg / ha+organic material 1 t/ha of 7.05 t/ha. Pest appears that rice stem borer and blast disease with relatively low attack.
Keywords: rice, biofertilizer, the optimal dose, growth, yield