Jurnal Agroekoteknologi
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PENGARUH PERBEDAAN BERAS ORGANIK, BERAS BETET dan BERAS BULOG TERHADAP POPULASI KUTU BERAS (Sytophilus oryzae) DAN MUTU BERAS SELAMA MASA SIMPAN DI KABUPATEN JAYAWIJAYA
Full text linkABSTRACTRice processed from paddy is the main food of Indonesian people in general.Jayawijaya regency is a place that is located in Pegunungan Tengah, Papua Province, can only be connected to the other regencies through air transportation. Rice that is supplied to this regency are varied by quality and brands. Because of those rice supplying condition to this region, automatically, those various rice will be put in storage by both seller and consumer. However, keeping those rice will cause the emergence of pest, in this case, rice lice. Therefore, the purpose of this research was to find out the influence of different types of rice: organic rice, betet rice, and bulog rice to the population of rice lice pest (Sitophilus oryzae) and the rice quality by its storage period in Jayawijaya Regency. This research was conducted in Plant Conservation Laboratory of STIPER Petra Baliem Wamena. This research was conducted for six months which was started June to December 2017. The method of this research was experiment method, and the used design pattern was Random Completed Design. The treatment design was one factor which was consisted of threetypes of rice. Each treatment was repeated by three repeats. The treatment was: types of rice factor: B1: organic rice; B2: betet rice; B3: bulog rice. In this research, there were three treatments, and three repeats so there were nine experiment units. Each unit consisted of packed rice in 0.5 kg plastic for 10 plastics. In each experiment unit, three plastic were taken as samples, so there were 27 rice samples in total. According to the result of the research, we can conclude that bulog rice was able to produce more rice lice (Sitophilus oryzae) and had higher damaging percentage, however, had lesser water and glucose level compared to betet and organic rice
SEBARAN FRAKSI AL PADA PROFIL TANAH MASAM LAHAN KERING DI KABUPATEN LEBAK PROVINSI BANTEN
Full text linkABSTRACTThe toxicity of Al, Fe, and Mn is highly determined by the shape of the metalfractions. Therefore, the specific forms of Al, Fe, and Mn inside the soil are veryimportant to know because they are related to soil fertility. The purpose of this study was to determine the distribution of the Al fraction on the acid soil profile of dry land in Lebak Regency, Banten Province. This research was conducted from April to June 2019 in Maja District, Lebak Regency, Banten. The research was descriptive explorative with intentional sampling for special purposive sampling. The soil was tested with a main parameter using single extraction for Al Fractionation. The results showed that the Al fraction in amorphous form (Al-o) was more dominant than Al in dissolved form (Al-dd) in all horizon layers (0-120 cm). Moreover, the Al fraction in organic amorphous form (Al-p) was also more dominant than Al in the inorganic amorphous form (Al-po) at horizon layer of 0-15 cm, while at horizon laeyer of 15-120 cm the Al-po form was higher than Al-p. Al fraction in the form of organic amorphous had higher bond compared with Al form of organic amorphous in the soil layer of 0-120 cm.
PENGARUH WAKTU APLIKASI DAN KONSENTRASI GIBERELIN TERHADAP PERTUMBUHAN DAN HASIL TANAMAN GANDUM (Triticum aestivum L.) PADA DATARAN MEDIUM
Full text linkGiberelin can reduce the effects of heat stress on wheat crops grown medium height. This experiment was aimed the concentration of gibberellin and the effective application time of gibberellin to give the best response of yield components in wheat. The experiment conducted from 2 November 2016 until 2 February 2017 at Ciparanje experiment field, Faculty of Agriculture, University of Padjadajaran, with an altitude of 795 metres above sea level. The experimental design used a Randomized Completely Block Design with factorial pattern which consisted of two factors and two replication. First factor was consentration gibberellin consisted of three levels : 250 ppm, 350 ppm and 450 ppm. Second factor was time application that consisted of 10, 25, 40, 55 and 70 Days After Planting. The results of this research showed that there were interaction effect on number of grains per panicle and weight 100 grain. Concentration of gibberellin hormone 350 ppm affected the number of filled grain per panicle in 25 Days After Planting. Furthermore, the weight of 100 grains showed the highest yield at concentration 450 ppm gibberellin hormone with a level of application time 10 Days After Planting.Keywords : Wheat, Gibberellin, Time applicatio
PENGARUH UKURAN BIBIT DAN JENIS PUPUK ORGANIK TERHADAP HASIL UMBI TANAMAN TALAS BENENG (Xanthosoma undipes K.Koch)
Full text linkThe research was aimed to know the effects of seedling size and kind of organic fertilizer to the plant tuber yield of talas beneng (Xanthosoma undipes K. Koch). Research was conducted from August 2016 until January 2017 in KampungJuhut, KarangTanjung Sub-district, Pandeglang Regency, Banten Province. This research used Randomized Completely Block Design (RCBD) with two factors and three replications. The first factor was seedling size (D) wich consisted three levels namely D1 : 1 cm – 3.5 cm, D2 : 4 cm – 6.5 cm, and D3 : 7 – 9.5 cm. The second factor was kind of organic fertilizer (P) wich consisted three levels namely P1 : chicken manure fertilizer, P2 : goat manure fertilizer and P3 : organic fertilizer (pertoganik). The parameters observed were tuber weight, tuber diameter, tuber length, number of tuber secondary, oxalate content . The resultsshowed that the size of the seedling diameter giving the best influence on the long tuber length of the taro tuber (Xanthosomaundipes K. Koch) was on the D3 treatment (7 – 9.5 cm). The treatment of organic fertilizer type of chicken manure (P1) gave the best influence to the parameters of the number of secondary tubers. There was no interaction between seed size and type of organic fertilizer on all parameters observed.Keyword: Talasbeneng (Xanthosoma undipesK. Koch), Seedling size, Organicfertilize
KONSENTRASI LILIN DAN KEMASAN POLIETILEN TERHADAP UMUR SIMPAN BUAH SAWO (Achras zapota L.)
Full text linkWaxing and wrapping are one way that can be used to extend the shelf life of horticultural products. By doing waxing and wrapping on Sapodilla, it was expected to increase the shelf life of the fruit, so in marketing, Sapodilla quality could be improved. This research was used to know the effect of wax concentration and polyethylene wrapping on shelf life in Sapodilla. This study using Randomized Completely Block Design. The treatment in this research was beeswax (Control, 3%, 6%, 9% and 12% that applied in 30 minutes soaking and Polyethylene Wrapping (polyethylene wrapping and without polyethylene wrapping). The result showed that sapodilla coated with a wax concentration of 9% and polyethylene wrapping had longer shelf life for 12 days.Keywords: Polyethylene, Sapodilla, Waxing, Wrappin
PENGARUH ZAT PENGATUR TUMBUH TRIAKONTANOL DAN JARAK TANAM TERHADAP PERTUMBUHAN TANAMAN TEMBAKAU (Nicotiana tabacum L.) KULTIVAR NANI
Full text linkTobacco plant (Nicotiana tabacum L.) is an estate crop commodity that play an important role as a source of farmers and state income. The production of tobacco Cultivar Nani is categorized as low. The cultivation technique is not optimalized by the average of tobacco farmers was the factor. In consequence, cultivation technique improvement is required. Optimization of plant spacing and plant growth regulator triacontanol treatment are believed as a way to increase tobacco’s production along with the increase of plant growth. The purpose of this research was to find out the interaction between plant growth regulator triacontanol treatment and plant spacing on growth of tobacco Cultivar Nani. This experiment was conducted from January until June 2017 at the Ciparanje Experimental Station Faculty of Agriculture, Universitas Padjadjaran, Jatinangor, Sumedang, Province of West Java. This experiment was conducted using a split plot design with two factors and three replications. Plant spacing treatment as main plot was consisted of three level treatments that is 30 cm x 80 cm, 40 cm x 80 cm, and 50 cm x 100 cm. Plant growth regulator triacontanol as sub plot was consisted of four levels treatments that is 0 ppm, 500 ppm, 1000 ppm and 2000 ppm. The result of this experiment showed that there was interaction between triacontanol treatment and plant spacing in chlorophyll content of tobacco’s leaf. Plant spacing 30 cm x 80 cm was significant in tobacco’s height on 7 weeks after planting. Giving 2000 ppm concentration of triacontanol with 40 cm x 80 cm space generated to highest content of chlorophyll in tobacco’s leaf and efficient seed usage.Keywords: Growth, Plant spacing, Tobacco, Triacontano
PENGARUH PEMBERIAN BEBERAPA JENIS PUPUK KOTORAN HEWAN DAN KONSENTRASI AIR KELAPA TERHADAP HASIL TANAMAN TOMAT (Lycopersicum esculentum Mill.)
Full text linkThis research was aimed to know effect of some kinds of cow manures application and coconut water concentration to yield of tomato (Lycopersicum esculentum Mill). This research was conducted in the experimental farm Singamerta Institute for Agricultural Technology Banten. Starting from September until December 2013. The research used Randomized Completely Block Design, concisted of two factors. The first factors was the giving of cattles manures with three levels, they were : P0 (control), P1 (chicken manure) and (P2) cow manure. The second factor was coconut water concentration with four levels, they were: K0 (control), K1 (coconut water concentration 500 ml + water 500 ml), K2 (coconut water concentration 750 ml + water 250 ml ) and K3 (coconut water concentration 1000 ml). The result showed that the giving chicken manure gave the significant effect on number of fruits (4.53 fruit), the weight of fruits (84.63 g), diameter of fruits (28.16 mm). While the 1000 ml of coconut water concentration gave the significant effect on the weight of fruits (85.10 g) and the diameter of fruits (28.68 mm).Keywords: Coconut water, Cow manures, Tomato
PENGARUH PUPUK DAUN GROWMORE DAN HYPONEX TERHADAP PERTUMBUHAN PLANLET DENDROBIUM DIAN AGRIHORTI SECARA IN VITRO
Full text linkABSTRACTOrchid plants are one of the ornamental plant commodities that have no foodreserves in their seeds and have very fine and small seed sizes making it difficult to propagate naturally. One alternative for the propagation of this plant is to carry out vegetative propagation in vitro or tissue culture. The success of plant tissue culture can not be separated from the role of media composition used. Leaf fertilizer is one of the alternative media that can be used as media material in orchid plant tissue culture because leaf fertilizers contain macro and micro nutrients that can provide nutrient intake to explants to support the growth and development of these explants. Propagation of Dian Agrihorti Dendrobium orchid plant in vitro through callus proliferation using different brands of leaf fertilizer media namely leaf fertilizer hyponex brand and growmore brand. The results of the observation showed that the most proliferative Embryogenic Callus and Proliferation Rate were produced from the treatment of adding 4 ppm growmore, namely 88.42% and 322.41%. For the best color callus parameters generated from the control treatment.
PENGARUH LAMA PENYIMPANAN JAMUR Metarhizium anisopliae TERHADAP MORTALITAS ULAT GRAYAK (Spodoptera litura F.) DI LABORATORIUM
Full text linkThis research was aimed to know the effectiveness level of different storage time of the fungus Metarhizium anisopliae to armyworm at Laboratory. The research was conducted at BPTPH Region 1 Banten as a repository of biological agents Metarhizium anisopliae and Soil & Agroklimat Laboratory of Agriculture Faculty, Untirta. This research was carried out from October 2015 until February 2016. Environmental design used Randomized Block Design non factorial, with the treatment was storage time of biological agents Metharizium anispoliae that have three levels, i.e. the storage time for 1, 2 and 3 months. Four testing trials include mortality, LT50 test, conidia test, test the intensity of the attacked and describe the morphology of the fungus-infected larvae Metharizium anisopliae. These results showed that the storage time was highly significant in the mortality of Spodoptera litura Fabricius larvae. Provision storage 1 month-long treatment was the best treatment to kill the larvae of Spodoptera litura Fabricius were infected Metharizium anisopliae fungus than the treatment for 2 and 3 months of storage. In the mortality test, LT50 test and intensity test of attacked larvae of Spodoptera litura Fabricius treatment 1 month storage time showed the best results compared to other treatments. The test of conidia density, treatment of storage time 1 month gave showed the highest.Keywords: Spodoptera litura F., Metharizium anisopliae fungus, Larvae mortalit
APLIKASI KONSORSIUM PUPUK HAYATI TERHADAP POPULASI BAKTERI PELARUT FOSFAT DAN BOBOT KERING PADI (Oryza sativa L.) PADA BEBERAPA TINGKAT SALINITAS
Full text linkSalinization of soil in coastal area is a serious problem and is increasing steadly. Application biofertilizer consortium is able to improve productivity of rice crops (Oryza sativa L.) grown in saline soils. Biofertilizer supplies nutrients and phytohormones that are beneficial for plant. The aim of this research was to find combination effects of biofertilizer consortium on population of phosphate solubilizing bacteria and dry weight of paddy grown in several level of salinity. This research was conducted from December 2016 until February 2017 at greenhouse of Faculty of Agriculture, Universitas Padjadjaran with altitude 752 meters above sea levels. This research used Randomized Completely Block Design with single factor experiment which consisted of eight combinations of biofertilizer (Azotobacter sp., Azospirillum sp., endophytic bacteria, PSB, and AMF) and salinity with four replications: A (non saline 0 mmhos cm-1), B (non saline of 0 mmhos cm-1 + biofertilizer), C (salinity of 2 mmhos cm-1), D (salinity of 2 mmhos cm-1+ biofertilizer), E (salinity of 4 mmhos cm-1), F (salinity of 4 mmhos cm-1+ biofertilizer), G (salinity of 6 mmhos cm-1), H (salinity of 6 mmhos cm-1+ biofertilizer). The result showed that at salinity level of 2-4 mmhos cm-1 the crops still survived growing under salinity stress. Salinity treatment of 2 mmhos cm-1 + biofertilizer significantly affected popuation of phosphate solubilizing bacteria and salinity treatment of 4 mmhos cm-1 + biofertilizer significantly affected dry weight of rice.Keyword: Biofertilizer, Dry weight of rice, Paddy (Oryza sativa L.), Population of phosphate solubilizing bacteria, Saline soil