Jurnal Agroekoteknologi
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PENGARUH DOSIS PUPUK HAYATI Trichoderma sp. TERHADAP PERTUMBUHAN DAN HASIL TANAMAN TERUNG UNGU (Solanum mengolena L.) VARIETAS HIBRIDA
Get PDFThe aims of this study was to analyze the effects of biological fertilizers Trichoderma sp on the growth and yield of eggplant (Solanum melongena L.). The experiment used eggplant hybrid varieties and conducted in the village districts of Sekong village Rumingkang Cimanuk Pandeglang in Banten. Seven treatments of Trichoderma sp dose were tested in the experiment, namely 0g, 15g, 20g, 25g, 30g, 35g, and 40g / plant. The experiment used a randomized block design (RBD) and each treatment was repeated five times so that the total treatment unit was 35. Each polybag consisted of one plant. The results showed that the use of Trichoderma sp on various doses sp generate plant height, flower number, fruit number, fruit weight, fruit length, and dry weight was better than the plants that did not use the Trichoderma sp. The dose of Trichoderma sp was found best in T1 treatment with a dose of 15 grams/plant. Based on this study, further testing on Trichoderma sp. with higher dose and mixed with organic fertilizers is needed, as well as the need to do more research on plant diseases in eggplant (Solanum melongena L.).Key Words: Trichoderma sp., Biofertilizers, Purple eggplan
INVENTARISASI TUMBUHAN PAKAN LEBAH MADU HUTAN DI DESA UJUNG JAYA KAWASAN TAMAN NASIONAL UJUNG KULON
Get PDFObjective of this research was to identify plant potential as woof source of forest honeybee so woof that produce honey quality and quantity from forest honey bee is available and to identify participation of people around Ujung Kulon national park in guarding and conserving woof source plant for forest honeybee. It was survey research with quantitative method combined with qualitative method. It was conducted by taken sample of one population, to collect data. Information was analyzed qualitatively to obtain clear description on research result. To answers potential of woof plant for forest honeybee it used vegetation analysis and to measure people participation in Ujung Jaya village around Ujung Kulon national park in guarding and conserving plant of woof source for forest honeybee it used quantitative descriptive analysis it used non parametric statistic of Spearman rank correlation. The result indicate that it has been identified in field nine plant species as woof source of forest honeybee in the research site either cultivated or non cultivated by people in the area. Plants as woof source are Salam, Sigeung, Samangan, Kawai, Kijahe, Kiganik, Padipadi, Lame and Tongtolok. Based on spearman rank correlation test, participation level of people around Ujung Kulon national park in guarding and conserving woof source plant for forest honeybee correlate to respondent income with coefficient of 0.267*. The correlation score indicated strong association with people participation or has significant effect. Meanwhile, age and education level indicated weak association or no significant effect
RESPON PERTUMBUHAN VEGETATIF TANAMAN PISANG BARANGAN (Musa paradisiaca sapientum L.) AKIBAT PENGGUNAAN PUPUK KOTORAN KAMBING DAN JAMUR Trichoderma harzianum
Get PDFThis study aims to get the response of plant vegetative growth banana (Musa paradisiaca sapientum L) effect to the use of goat manure and fungus Trichoderma harzianum and the combination of both treatments. The research was conducted in the area of the garden village Selamat District of Biru-Biru with altitude 200 m above sea level. The study was conducted from April 2014 through August 2014. This study used a randomized block design factorial consisting of two factors, namely goat manure dose factor (K) consists of 3 levels of treatment: K0 = 0 kg/plant, K1 = 2.5 kg/plant, K2 = 5 kg/plant and dosing frequency factor fungus Trichoderma harzianum (T) consists of 3 levels of treatment are: T0 = 0 g/plant, T1 = 25 g/plant and T2 = 50 g/plant. Parameters were observed in this study is plant height (cm), number of leaves (pieces), stem diameter (cm). The results showed goat manure significantly affected plant height and diameter growth of banana stem. Goat manure is best obtained at a dose of 5 kg/plant. Fungus Trichoderma harzianum significant effect on plant height at a dose of 50 g/plant, but no real effect on the number of leaves and stem diameter. Interaction dose goat manure and fungus Trichoderma harzianum giving no real effect on the vegetative growth of banana
UJI EFEKTIFITAS LARUTAN PESTISIDA NABATI RIMPANG LENGKUAS, DAUN SERAI, DAN DAUN BABADOTAN PADA PENGENDALIAN HAMA PENGHISAP BUAH (Helopeltis sp.) TANAMAN KAKAO
Get PDFThe objective of the research was to determine the effectiveness of botanical pesticides Galangal rhizome, Lemongrass, and Babadotan leaves solvent on mosquito bugs (Helopeltis sp) of Cocoa crop (Theobroma cacao L.). The research was conducted from July to August 2013 on cocoa farms at Luarang Sukalaba Village, Gunungsari District, Serang Regency of Banten Province. The research used a randomized block design (RBD) with one factor that consists of 4 treatments, ie P0 = Control, PL = Galangal Rhizome 100 gr/l, PB = Babadotan Leaves 100 gr/l, PS = Leaves Lemongrass100 gr/l and these were repeated four times. The parameters observed were widespread attack, intensity of pest attacks and Helopeltis sp population. The results showed that application of Galangal Rhizome solvent could suppress extensive solution and intensity of Helopeltis pest attacks. The application of lemongrass leaves solvent solution could suppress the pest population, where as babadotan leaves act as an attractant against Helopeltis sp. in cocoa.Key Words: Botanical pestisides, Insect pest, Galangal rhizome, Lemongrass, and Babadota
KARAKTERISTIKA TANAMAN LEGUME PADA FASE VEGETATIF
No full textThis study was conducted to determine the pattern characteristics of legumes in the vegetative phase by using the Relative Growth Rate, Net Assimilation Rate (LAB), and Leaf Area Ratio (LTR). Where the LTR is dry matter production efficiency index, is a measure of the efficiency of clean LAB leaf area and the NLD is the quotient of leaf area to total plant dry weight. The experiment was conducted in field trails and laboratory PandeglangSMKN 2 Faculty of Agriculture, University of Sultan AgengTirtayasa. Starting in September to December 2012. Trial ordered by a single factor randomized complete block design (legume crops). Type of legume crops are planted consist of the three types, namely : soy beans, green beans, and peanuts. For purposes of analysis vegetative growth phase was observed (destructive) six times. The result showed that the characteristics of three types of legume crops : soy beans, peanuts, green beans, and each has different characteristics. Where the LTR and LAB in legumes has decreased, and the soy bean crop legumes NLD slightly increased, while the peanuts and green beans decreased with increasing age of the plant
PENGARUH JARAK TANAM DAN INTERVAL WAKTU PENGENDALIAN GULMA TERHADAP PERTUMBUHAN KACANG PANJANG (Vigna sinensis L.)
No full textIncreasing production of beans cultivation requires good technique. The market demand is also quite high. This study aims to determine the effect of plant spacing and weed control intervals on the growth and yield of beans has been implemented. The experiment was the spacing of 40 x 60 cm, 40 x 40 cm and 40 x 30 cm, and the time interval weed control is two weeks after planting, three weeks after planting, and four weeks after planting. Results showed that the spacing independently significant effect on the number, length and weight of pods plant beans, and not rely on weed control treatment intervals. A spacing of 40 x 60 cm gives results more pods, the pods are longer and heavier than the pod treatment spacing 40 x 40 cm and 40 x 30 cm
SKRINING BAKTERI ENDOFIT PERAKARAN PISANG SECARA IN VITRO SEBAGAI AGEN PENGENDALI HAYATI TERHADAP PENYAKIT LAYU BAKTERI (Ralstonia solanacearum) PADA TANAMAN PISANG
Get PDFThis research aimed to find and identify isolates ofendophytic bacteria in banana plants root to suppress bacterial wilt disease in banana plants (Musa aradisiaca) This research has been carried out in the Laboratory of Agroecology Department Faculty of Agriculture, Sultan Ageng Tirtayasa Universityfrom December 2012 to April 2013.This research used a completely randomized design consisting of a single factor that endophytic bacteria consisting of 10 levels: control (without bacteria), bacterial endophyte 1, bacterial endophyte 2, bacterial endophyte 3, bacterial endophyte 4, bacterial endophyte 5, bacterial endophyte 6, bacterial endophyte 7, bacterial endophyte 8, bacterial endophyte 9. The treatment repeated 4 times. The parameter done are the percentage of inhibition, antagonism between endophytic bacteria test, test bacterial gram on endophytic bacteria, and bacterial morphology. This researchindicated,that all bacteria hada potential antagonist to inhibit Ralstonia solanacearum. Of the 60 isolates, 30 isolates showed the ability to inhibit the growth of Ralstonia solanacearum in vitro. Totally of 9 isolates were selected as candidates obtained antagonist belonging to Bacillus sp. Three isolates that had the best inhibitory ability against Ralstoniasolanacearum were BE 10-812, 10-8 BE 13, and BE 10-8 29. These three isolates were identified as Bacillus sp
PENGARUH FREKUENSI PEMBERIAN AIR DAN DOSIS PUPUK KOTORAN AYAM TERHADAP PERTUMBUHAN DAN HASIL TANAMAN KAILAN (Brassica oleraceae var. Alboglabra)
No full textThis research was aimed to know the response of frequency of plant watering and a dose of chicken manure fertilizer on kailan crops. This research was conducted at trial garden Singamerta Ciruas BPTP Banten from June to August 2014. This study used a Randomized Completely Block Design with two factors. The first factor was the frequency of the plant watering with four levels: F1= frequency of plant watering once a day, F2 =frequency of plant watering 2 days, F3 = frequency of plant watering 3 days, F4 = frequency of plant watering 4 days. The second factor was dose of chicken manure fertilizer with four level: P0 = without chicken manurefertilizer (control), P1 = 10 tonnes ha-1 (23.66 g per polybag), P2: 20 tonnes ha-1 (47.33 g per polybag), P3 = 30 tonnes ha-1 (71.00 g per polybag). Eachtreatment was repeated three times, so retrieved 48 the experimental units. The parameters observed were plant height, number of leaves, plant fresh weight, root fresh weight, root dry weight, and plant dry weight. The resultsshowed that frequency of water one day once tend to provide real influence on the parameters of the age of 35 DAP plant height (30.13 cm), number ofleaf age 35 DAP (11.67 strands), plant fresh weight (93.78 g), weight wet roots (9.19 g), root dry weight (2.87 g), and plant dry weight (12.40g). Provision of chicken manure fertilizer with a dose of 47.33 g (20 tonnes ha-1) significant effect on the parameters of the plant fresh weight (96.84 g)
KARAKTERISTIK PERTUMBUHAN DAN WAKTU GENERASI ISOLAT Azotobacter sp. DAN BAKTERI ENDOFITIK ASAL EKOSISTEM LAHAN SAWAH
Get PDFAzotobacter sp. and N2-fixation endophytic bacteria are microbes that play a role in fixation the N2 from the free air and helps supply of N to plants and can make efficient use of N derived from inorganic fertilizer. N2-fixation microbes utilization in rice fields can reduce the cost of production of rice plants. By studying the characteristics of the two types of beneficial bacteria that is expected to be engineered to enhance the role of these bacteria contribute in supplying N to rice crops. The method used in this study is exploratory and observe the characteristics of growth and generation time of bacteria for 72 hours. The results of this study indicate that the bacterial isolates of Azotobacter sp-1 has the highest population in 48 hours with a total population of 1.58 x107 cfu ml-1 , whereas bacteria Azotobacter sp-2 has the highest population in 60 hours with a total population of 3.12 x106 cfu ml-1 . Both N2-fixation endophytic bacteria populations reached the highest peak in the 60th hour with a total population of N2-fixation endophytic bacteria-1 at 1.12 x 108 cfu ml-1 of N2-fixation endophytic bacteria-2 of 9.4 x 107 cfu ml-1 of both isolates endophytic bacteria showed a similar growth pattern. Azotobacter sp. isolates from rhizosfir of the rice plant have a difference generation time, while the two isolates of N2-fixation endophytic bacteria from tissue of rice plants having the same generation time. Isolates of Azotobacter sp.-1 had the fastest of generation time, capable of generating new cells every 158.66 minutes or every 2.64 hours
APLIKASI PUPUK ORGANIK, NPK DAN BPF PADA ULTISOLS UNTUK MENINGKATKAN C-ORGANIK, N-TOTAL, SERAPAN N DAN HASIL JAGUNG MANIS (Zea mays saccharata Sturt.)
Get PDFThis research was conducted to find out the interaction of organic fertilizer, NPK with BPF on Ultisols of the organic carbon, total nitrogen, N uptake, and result of sweet corn (Zea mays saccharata Sturt). The research was conducted from June to September 2013 at the Experimental Ciparanje, Faculty of Agriculture, Padjadjaran University, Jatinangor, Sumedang, West Java elavated at 724 meters above sea level. The experimental design used was Randomized Block Design (RAK) arranged in factorial pattern with 14 treatments and three replicates. The first factor is organic and NPK fertilizers (P) consisting of seven levels : without organic fertilizer and NPK; POPG + ½ dose of NPK; POPG + 1 dose of NPK: Compost + ½ dose of NPK; Compost + 1 dose of NPK; Manure + ½ dose of NPK; Manure + 1 dose of NPK. The second factor is the Solvent of phosphoric Bacteria (B) consisting of two levels : without the BPF and BPF 10 mL The results of experiment showed that there was not interaction effect between different called organic fertilizer and NPK with BPF of organic carbon, total nitrogen, plant uptake of N, and results of sweet corn. Independently organic fertilizer, NPK gave significant effect on organic carbon, total nitrogen, plant uptake of N, results of sweet corn and BPF was significant effect of organic carbon and plant uptake of N but has not siginificant effect of total nitrogen and results sweet corn. Treatment POPG with 1 dose of NPK shows the best formulations can improve results of sweet corn on Ultisols Jatinangor, that is 249,17 g plant-1 or 9 t ha-1