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Jurnal Agroekoteknologi

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Published by Universitas Sultan Ageng Tirtayasa

ISSN : - EISSN : 25487108 DOI : -

Core Subject : Agriculture,

Agriculture, Biological Sciences & Forestry

Journal of Agroecotechnology contains articles directly sourced from the results of research related to the cultivation of plants related to soil, plants, weeds, pests and diseases.

Arjuna Subject : -

Articles 267 Documents

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SERANGGA HERBIVORA YANG BERASOSIASI PADA TANAMAN JAGUNG DENGAN JENIS PUPUK BERBEDA Dewi Hastuti
Jurnal Agroekoteknologi Vol 4, No 1 (2012)
Publisher : Jurusan Agroekoteknologi Fakultas Pertanian Untirta

This research aims to determine the indirect influence of fertilizers on the population and diversity of herbivorous insects in sweet corn varieties super sweet. The research was conducted from the month from May to September 2011 in the Pakel , Gelam village, Kelurahan Cipocok Jaya, Kota Serang. Experiments used designed randomized block design (RBD). The data were analyzed by Anova and DMRT 5%. The herbivour diversity analized by Shannon diversity index. Experimental variable is the type of fertilizer, compost siam weed at a dose of 45 tons / ha, with a dose of manure 45 t / ha, and synthetic fertilizer consisting of urea at a dose of 400 kg / ha, SP36 and KCl dose of 150kg/ha dose 150kg / ha and the control of maize without fertilizer. The fourth variable is repeated 6 times. Observations were made every 2 weeks for orders, families and populations of plant-feeding insects (herbivores) by directly counting the insects which at that time was on the plant. The results showed that the type of fertilizer is not directly influenced by the high population of herbivorous insects. Plants are fertilized siam weed compost herbivore species diversity is high, but their population is foreign-low type. While NPK fertilized plants herbivoranya low diversity and population of each type of the highest good in sucking and biting insects pencucuk chewers. Associated herbivorous insects on corn consists of groups biter chewers like grasshoppers (Acrididae) and pencucuk like ticks sucking aphids (Aphididae).Keywords: fertilizer, herbivores, compost, corn, Acrididae, Aphididae

RESPONS PERTUMBUHAN DAN HASIL SEMANGKA TANPA BIJI (Citrullus vulgaris Schrad) TERHADAP BEBERAPA JENIS MULSA Faridatul Mukminah; Eddy Usman; Galih Prasetyo
Jurnal Agroekoteknologi Vol 5, No 1 (2013)
Publisher : Jurusan Agroekoteknologi Fakultas Pertanian Untirta

This study aims to observe the effect of various types of mulch on the growth and yield of seedless watermelon (Citrullus vulgaris Schard). Implementing research in farmers' fields Scales Village, District Indralaya, Ogan Ilir, with a height ranging from 4-22 m above sea level, from February to April 2012. Research design using randomized block design, consisting of five treatments and five replications. The treatments were P0 = control (without mulch), P1 = use black-silver plastic mulch, P2 = use black plastic mulch, mulch P3 = using reeds as mulch as 0.8 kg of dry weight per m², P4 = use corn stalks mulch 2.6 kg dry weight per m². Parameters observed that the length of plant, days to flowering, fruit diameter, mean fruit weight, fruit weight per plant, fruit weight ha-1 (yield), wet biomass, and weight of wet roots. Black-silver plastic mulch influenced better on the growth and yield of seedless watermelon, compared with the other mulch and can increase the production of fruit namely the fruit weight/plant of 10.15 kg or 20.3 tons ha-1.

PERTUMBUHAN DAN HASIL KEDELAI (Glycine max L.) PADA BERBAGAI CARA PEMBERIAN DAN DOSIS PUPUK UREA Rusmana .
Jurnal Agroekoteknologi Vol 3, No 1 (2011)
Publisher : Jurusan Agroekoteknologi Fakultas Pertanian Untirta

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.33512/j.agrtek.v3i1.602

The experiments were conducted to determine soybean growth and yield responses to various ways of placement and dose of urea fertilizer. Experiments using a randomized block design factorial, with four replications. The first factor is the ways of placement of urea consists of two levels, namely: be placed next to the planting hole and placed along the bolt in between the rows of plants. The second factor is the dose of urea fertilizer consists of four levels, namely: 50 kg ha-1, 100 kg ha-1, 150 kg ha-1, and 200 kg ha-1. The results showed that the growth of soybean (plant height and number of leaves) showed no differences due to different ways of placement urea but soybean yield components and the yield showed differences due to different ways of placement of urea. Yield components (pod number, pod dry weight, and number of seeds) and yield (seed dry weight) of soybean is higher when the ways of placement of urea along the bolt is placed in between rows of plants compared with plants placed on the side. Differences urea dose given either 50 kg ha-1, 100 kg ha-1, 150 kg ha-1, and 200 kg ha-1 showed no difference on the growth and yield of soybean plants.Key words: doses, fertilizers placement, soybean, urea

PERGESERAN KOMPOSISI GULMA PADA TANAMAN PAPAYA (Carica papaya) YANG DIBERI PUPUK ORGANIK DAN ANORGANIK Yernelis Syawal
Jurnal Agroekoteknologi Vol 2, No 2 (2010)
Publisher : Jurusan Agroekoteknologi Fakultas Pertanian Untirta

ABSTRACT This study aims to see a shift in the composition of the weed on papaya plants fed organic fertilizer (pukana) and inorganic (NPK). And analyze its effect on dry weight of weeds. Research done at the Garden Village folk Sukasari Kec. Talang Kelapa, Palembang, South Sumatra, from June to October 2010. Randomized studies using Design Group (RAK) with 5 treatments and 5 replications. Fertilizer treatments consisted of: P1 = 30 kg plant pukana -1, P2 = 100 g NPK tanaman-1, P3 = 30 kg + 100 g of NPK plant pukana -1, P4 = 25 kg + 200 g of NPK plant pukana-1, P5 = 20 kg + 300 g of NPK plant pukana -1. To determine the dominant weeds were analyzed by the method of squares. The results showed that a shift in the composition of the weeds before cultivation and after treatment fertilizer age 1 month, 2 months and 3 months. Before tilling the land is dominated by Imperata cylindrica, Cyperus rotundus and, Mimosa invisa, while after treatment is dominated by the weed Ageratum conyzoides and Echinochloa colonum both at age 1, 2 and 3 months after planting. The results of the diversity of the highest weed dry weight obtained in the treatment of P3 is 81.85 g and the lowest in the treatment of P2 with weight 37.85 g.Keywords: Shifts, Weeds, Papaya, Pukana, NPK

EVALUASI KETAHANAN 14 GENOTIPE CABAI TERHADAP INFEKSI CHIVMV (CHILLI VEINAL MOTTLE VIRUS) Zahratul Millah
Jurnal Agroekoteknologi Vol 1, No 2 (2009)
Publisher : Jurusan Agroekoteknologi Fakultas Pertanian Untirta

ABSTRACTOne of the major problem in chillipepper production was virus infection, with Chilli Veinal Mottle Virus (ChiVMV) as one of the most important viruses in Asia. Strategy to manage virus infection is not easy. The use of resistant varieties was considered as the best strategy to control viral disease. The research was undergone to find resistant genotypes of chillipepper that can be used as sources of ChiVMV resistance genes. This evaluation involve 14 genotypes from the collection of Genetic and Plant Breeding laboratory, Department of Agronomy and Horticultura. ChiVMV isolat Cikabayan was used for the source of inoculum. Based on the response from twice evaluation, it was known that PBC495, ICPN12#4, CCA321 and VC211a-3-1-1-1 genotypes were consistence in the response of resistance to ChiVMV infection. PBC495, VC211a-3-1-1-1 and CCA321 were identified as resistant genotypes and ICPN12#4 was identified as susceptible genotype.Key words: chillipepper, resistance, chilli veinal mottle virus

PEMBENTUKAN KALUS BEBERAPA KULTIVAR TEBU (Saccharum officinarum L.) DENGAN KONSENTRASI 2.4 D BERBEDA Susiyanti .
Jurnal Agroekoteknologi Vol 2, No 1 (2010)
Publisher : Jurusan Agroekoteknologi Fakultas Pertanian Untirta

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.33512/j.agrtek.v2i1.630

ABSTRACTSugarcane (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 vitro

APPLICATIONS OF ORGANIC FERTILIZER AND SEED TREATMENT OF CABBAGE IN LOWLAND AREAS JAMBI PROVINCE Salwati .; Yardha .
Jurnal Agroekoteknologi Vol 1, No 1 (2009)
Publisher : Jurusan Agroekoteknologi Fakultas Pertanian Untirta

ABSTRACTPermintaan terhadap sayuran organik telah meningkat pesat sejalan dengan pekembangan informasi dan pengetahuan tentang perlunya mengkonsumsi makanan sehat. Teknologi pertanian organik baru saja diadopsi petani sayur di kota Jambi. Karena itu, petani sayur memerlukan bimbingan melalui percontohan dan penyampaian informasi teknologi. Riset aksi tentang sistem pertanian organik tanaman selada dilakukan di kota Jambi dari September hingga Februari 2007. Beberapa paket teknologi telah diterapkan dan diuji yaitu: perlakuan benih (tanpa dan dengan Nutrifam SD), pupuk organik (Bio-super active, Jus Bumi, Nutrifarm AG, Botani and Bokasi+manure+botani). Percobaan ditata dalam Rancangan Acak Kelompok dengan perlakuan faktorial dan pengaruhnya dianalisis dengan uji beda nyata Duncan (DNMR). Parameter pengamatan meliputi jumlah daun, luas daun, lebar tanaman, tinggi tanaman, biomassa tamanan, dan tingkat serangan hama dan penyakit. Hasil penelitian menunjukan bahwa perlakuan benih tidak berpengaruh nyata terhadap pertumbuhan tanaman. Pupuk organik bitani memberikan pengaruh nyata terhadap bobot tanaman (1,45 kg), tinggi tanaman (15,73 cm), luas daun (57,94 cm2) dan tingkat serangan hama/penyakit (8,67%. Sistem pertanian organik memiliki prospek sangat cerah untuk dikembangkan.Kata kunci: Selada, Propinsi Jambi , sistem pertanian organik

PEWARISAN KARAKTER KETAHANAN TERHADAP CHIVMV (CHILLI VEINAL MOTTLE VIRUS) PADA TANAMAN CABAI Zahratul Millah; Sriani Sujiprihati; Sri Hendrastuti Hidayat
Jurnal Agroekoteknologi Vol 4, No 1 (2012)
Publisher : Jurusan Agroekoteknologi Fakultas Pertanian Untirta

Inheritance of resistance trait to ChiVMV was studied in intraspecific capsicum population derived from a cross between two Capsicum annuum line, PBC495 as a resistance line and ICPN12#4 as a susceptible line. The resistance was assessed by diseased index (DI) and score of absorbance value at  405 nm, two weeks after inoculation. Based on t-test of F1 and F1R, it was concluded that there was no maternal effect. Nil symptoms resembling the resistant parent were identified in the progeny F2, BC1P1 (BC1 to the resistant parent) and BC1P2 (BC1 to the susceptible parent) populations. Segregation of resistance (nil DI and lower absorbance value) and susceptibility in the F2 fitted a 3:1 Mendelian ratio, indicating that resistance were controlled by a single dominant nuclear gene. Nil segregation of the trait in the test crosses in BC1P1 and a 1:1 ratio segregation in BC1P2 also confirmed the 3:1 gene segregating model as found in the F2. Heritability values of the trait were medium to high.Key words : inheritance, resistance, ChiVMV, pepper

PENGENDALIAN PENYAKIT LAYU FUSARIUM PISANG (Fusarium oxysporum f.sp.cubense) DENGAN SOLARISASI TANAH DAN BAKTERI ANTAGONIS Andree Saylendra
Jurnal Agroekoteknologi Vol 1, No 1 (2009)
Publisher : Jurusan Agroekoteknologi Fakultas Pertanian Untirta

ABSTRACTThe objective of the research is to investigate the effectiveness of soil solarization and antagonist bacteria in controlling fusarial wilt of banana.The experiment was conducted in farmer field by randomized complete block of two factors. The treatment in the field, factor A is solarization (without solarization, three weeks of solarization, and four weeks of solarization); factor B is antagonist bacteria (without bacteria, bacteria 1, and bacteria 2). The treatment is replicated three times. The number of banana’s plant for each treatments are 4-6 plants. The result of field research showed that single treatment of solarization, bacteria even combination between them did not significantly affect to suppress the incident of Foc.Keywords: Fusarium oxysporum f.sp.cubense, soil solarization, antagonist bacteria

EFEK APLIKASI Trichoderma sp. DAN BOKASHI TERHADAP PERTUMBUHAN BIBIT KAKAO YANG DITANAM PADA TANAH TERINFEKSI Phytophthora palmivora. Kalay, A. Marthin; Latupapua, Andreas I; Talahatu, Hellen
Jurnal Agroekoteknologi Vol 7, No 1 (2015)
Publisher : Jurusan Agroekoteknologi Fakultas Pertanian Untirta

Phytophthora sp. is one species of fungus that attacks the seeds of the cocoa plant. Control may use biological agents and Bokashi. This study aimed to determine the effect of Trichoderma sp. and Bokashi on the growth of plants and pathogens Phytophthora sp on cocoa plant in nurseries. The treatment was Trichoderma sp at a doses that was 0 gram, 25 grams, 50 grams and 75 grams, and Bokashi at a doses of 0 gram, 25 grams, 37.5 grams and 50 grams. The study was designed using a completely randomized design with three replications. The results showed that administration of Trichoderma sp. and Bokashi jointly improve the interaction effects canopy height, canopy fresh weight and shoot dry weight, and suppress the intensity of the disease. A dose of 75 grams of Trichoderma sp + 50 grams Bokashi is best dose increase canopy height, canopy fresh weight and shoot dry weight. A dose of 50 grams Bokashi without giving Trichoderma sp. can reduce the disease intensity to 14.95%, and a dose of 25 grams of Trichoderma sp, with or without the provision of Bokashi can reduce the disease intensity to 0%.

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