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INDONESIA
Jurnal Agroekoteknologi
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 10 Documents
 1 
Search results for , issue "Vol 12, No 1 (2020)" : 10 Documents clear
UJI EFEKTIVITAS EKSTRAK DAUN TALAS BENENG (Xanthosoma Undipes K.Koch) SEBAGAI PENGENDALI JAMUR Fusarium oxysporum PADA TANAMAN PISANG SECARA IN VITRO Andi Apriany Fatmawaty; Nuniek Hermita; Martina Nursaprudianti; Julio Eiffelt R Rumbiak; Dewi Hastuti
Jurnal Agroekoteknologi Vol 12, No 1 (2020)
Publisher : Jurusan Agroekoteknologi Fakultas Pertanian Untirta

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.33512/jur.agroekotetek.v12i1.8781

Abstract

Fusarium is a phatogenic fungy that causes wilting in banana plants. One of alternative in controlling Fusarium oxysporum fungy is by using Botanical Pestiside on of them is talas beneng. This plants is local plants that grows wild around Karang Mountain, Pandeglang, Banten. A research to determine the effectiviness extract of talas beneng leaf (Xanthosoma undipes K.Koch) as fungy control Fusarium oxysporum in banana plants in vitro. The research used  randomized completely design with five treatments and five replication. The treatments is consisting of talas beneng leaf extract 0%, 5%, 5,5%, 6%, dan 6,5%. Observation was conducted after incubation for nine days at room temperature. The parameters observed was inhibition Fusarium oxysporum growth with indicated size of the diameter mycelium colony, inhibition percentage of mycelium and inhibits and thickness mycelium . The result of the talas beneng leaf extract showed that there was no difference in the concentration of the talas beneng leaf extract on the diameter of mycelium Fusarium oxysporum, but the extract of talas beneng leaf effective for inhibits and thickness myscelium density in mycelium fungi in vitro with concentration is 6%.
RESPON PERTUMBUHAN TANAMAN KOMBINASI KULTIVAR JARAK PAGAR DENGAN DOSIS MIKORIZA TERBAIK DAN KONSENTRASI SITOKININ DI DATARAN MEDIUM Kovertina Rakhmi Indriana; Cucu Suherman; Santi Rosniawaty; Sumadi Sumadi
Jurnal Agroekoteknologi Vol 12, No 1 (2020)
Publisher : Jurusan Agroekoteknologi Fakultas Pertanian Untirta

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.33512/jur.agroekotetek.v12i1.8776

Abstract

The current condition is a lot of the transfer of agricultural land functions into housing and industry. Utilization of marginal land is one of the important solutions to be done. One type of marginal soil is inceptisol, with limiting factors for low soil chemical fertility, especially the element P. The element P can become available for plants with the help of AMF. To reveal the performance of plant growth through the combination of three Jatropha cultivars with the best dose of arbuscular mycorrhizal fungi and cytokinin concentrations on plant photosynthesis results in two different locations. The experiment starts from January 2019 until June 2019 at an altitude of 0-50 meters above sea level (lowlands) and altitudes from 750 to 850 meters above sea level. The combined trial evaluated jatropha cultivar and the best arbuscular mycorrhizal fungi dose and repeated cytokinin concentrations three times. The results of the experimentshowed that there was a significant effect on each treatment and the interaction between the treatments with the best results was the concentration of cytokinin 400 mg L-1 for plant height growth variables, and the concentration of cytokinin 300 mg L-1 for the variable chlorophyll content of leaves, number of leaves, whereas cytokinin concentration 100 mg L-1 for stomatal conduction activity.
RETARDED GROWTH OF LOWLAND RICE IN SALINE SOIL INOCULATED WITH NITROGEN-FIXER AZOTOBACTER Reginawanti Hindersah; Alia Halimatusy; Benny Joy; Mieke Rochimi Setiawati; Diyan Herdiyantoro
Jurnal Agroekoteknologi Vol 12, No 1 (2020)
Publisher : Jurusan Agroekoteknologi Fakultas Pertanian Untirta

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.33512/jur.agroekotetek.v12i1.8782

Abstract

Low-land rice (Oryza sativa L.) cultivation in saline soils face some constraints include nitrogen availability. Saline-resistant nitrogen fixing bacteria Azotobacter are expected to increase supply nitrogen in saline soils. The objectives of the study were to determine the effect of liquid inoculant concentration of two Azotobacter isolates on early vegetative growth of lowland rice grown in potted saline soil.  The greenhouse trial design was a randomized block design with seven treatments and four replications. The treatments were combination of isolates and Azotobacter liquid inoculant concentrations in single and mixed inoculation. The results showed that all plants experienced chlorosis and stunt due to high Electrical Conductivity. Inoculation of different isolates and concentrations did not influence the growth of lowland rice in soil with high EC at the end of experiment. Therefore, neither isolates nor concentration of Azotobacter could improve retarded-growth of lowland rice in saline soil.
EFEKTIFITAS BERBAGAI JENIS PERANGKAP HYMENOPTERA PADA PERTANAMAN PADI DI LAHAN PASANG SURUT Zahlul Ikhsan; Hidrayani Hidrayani; Yaherwandi Yaherwandi; Hasmiandy Hamid
Jurnal Agroekoteknologi Vol 12, No 1 (2020)
Publisher : Jurusan Agroekoteknologi Fakultas Pertanian Untirta

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.33512/jur.agroekotetek.v12i1.8777

Abstract

Hymenoptera is one of the most significant insect orders. Hymenoptera has many vital roles in the ecosystem, namely as parasitoids, pollinators, and predators. This study aims to determine the effectiveness of four types of trap equipment commonly used for Hymenoptera collections consisting of sweep nets, yellow pan traps, malaise traps, and pitfall traps. The study was conducted in tidal swamp rice in Indragiri Hilir Regency, Riau Province. The study was carried out at four sub-district, namely are Batang tuaka, Keritang, Reteh, and Tembilahan Hulu sub-district. The research was carried out by sampling with the transect line method. Hymenoptera collected from tidal swamp rice in Indragiri Hilir District consists of 40 families, 450 morphospecies, and 12,456 individuals. Malaise traps and yellow pan traps are the two best in Hymenoptera trapping. Malaise traps can catch 56% of morphospecies and 56% of individual abundances. Yellow pan traps can catch 27% of morphospecies and 20% of the abundance of Hymenoptera individuals. Furthermore, pitfall traps can catch 5% of morphospecies and 19% of individual abundance, and the sweep nets can catch 12% of morphospecies and 5% of individual abundance.
PENGARUH PEMBERIAN BEBERAPA KONSENTRASI PUPUK MAJEMUK BERTEKNOLOGI NANO TERHADAP PERTUMBUHAN DAN HASIL TIGA VARIETAS TANAMAN BAWANG MERAH (Allium ascalonicum L.) Endah Nur’aeni; Kartina Kartina; Susiyanti Susiyanti
Jurnal Agroekoteknologi Vol 12, No 1 (2020)
Publisher : Jurusan Agroekoteknologi Fakultas Pertanian Untirta

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.33512/jur.agroekotetek.v12i1.8783

Abstract

This research was conducted in Cikayas Village, Angsana Sub district, Pandeglang Banten Regency from December 2019 until February 2020. The first research was using randomized completely block design with factorial design group, consisting two factors, the first factor was concentration of nano-based compound fertilizer consisting of four levels: without nano-tech fertilizers, 2.5 ml/L, 5 ml/L, 7.5 ml/L. The second factor was:variety consisting of three levels: Bima Brebes, Maja Cipanas, Trisula. The experiment was repeated three times, the whole experimental unit was 36. The results showed that the application of nano-tech compound fertilizer with 5 ml/L gave the best growth and yield to the height parameters of four WAP (42.33 cm), number of leaves four WAP (39.33 cm) and five WAP (42.67 strands), and tuber weights without roots and leaves per clump (37.19 g). Bima Brebes variety gave the best growth and yield to the height parameters one WAP (10.74 cm), two WAP (25.55 cm), 3 WAP (35.27 cm), 4 WAP (42.63 cm) and 5 WAP (47.33 cm), and tuber weights without roots and leaves per clump (36.29 g). There was no interaction between several Concentrations of Nano-tech Compound Fertilizer and varieties to all parameters observed.
EKSPLORASI DAN KARAKTERISASI BAKTERI RHIZOBIUM ASAL TANAMAN Mucuna bracteata DI TANAH GAMBUT Isna Rahma Dini; Wawan Wawan Wawan; Hapsoh Hapsoh Hapsoh; Rahma Devi
Jurnal Agroekoteknologi Vol 12, No 1 (2020)
Publisher : Jurusan Agroekoteknologi Fakultas Pertanian Untirta

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.33512/jur.agroekotetek.v12i1.8765

Abstract

The efficiency of fertilizing N on oil palm plants on peatlands in several companies isdone by planting legume cover crop, one of which is Mucuna bracteata. This plantcan form root nodules because it can symbiosis with rhizobium bacteria which willmake fixation of N2 in the air so that the bound N elements can be utilized by plants. This bacterium grows naturally on legume cover crop. This study aims to explore and characterize adaptive rhizobium bacteria in peatlands. The location of sampling is done at PT. Jatimjaya Perkasa, Kubu District, Rokan Hilir Regency. Sampling of root nodules by stratified random sampling. The results obtained by eight bacterial isolates that have relatively similar macroscopic and microscopic characteristics and belong to rhizobium based on the YEMA + CR and YEMA + BTB tests.Keywords: Peat soil, Oil palm, Legume cover crop, Rhizobium
APLIKASI PUPUK HAYATI DAN AZOLLA UNTUK MENGURANGI DOSIS PUPUK ANORGANIK DAN MENINGKATKAN N, P, C ORGANIK TANAH, DAN N, P TANAMAN, SERTA HASIL PADI SAWAH Mieke Rochimi Setiawati; Betty Natalie Fitriatin; Pujawati Suryatmana; Tualar Simarmata
Jurnal Agroekoteknologi Vol 12, No 1 (2020)
Publisher : Jurusan Agroekoteknologi Fakultas Pertanian Untirta

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.33512/jur.agroekotetek.v12i1.8778

Abstract

Biofertilizers and Azolla are local potentials sources that can be used for inorganic fertilizers efficiency in increasing crop yields. The purpose of this study was to determine the dose of inorganic fertilizers that can be reduced by the application of biofertilizers and Azolla in lowland rice plants. The aims of study was to determine the increase in N plants, N soil, available P, P uptake, C organic, and the yield of lowland rice. The experiment was carried out at the Experimental Field, Ciparanje, Faculty of Agriculture, Padjadjaran University, in Jatinangor. The treatment in this experiment were A = without the use of fertilizer, B = NPK 100% Fertilizer of recommended dosage, C = 0% NPK + Biofertilizer + Azolla, D = 25% NPK + Biofertilizer + Azolla, E = 50% NPK + Biofertilizer + Azolla, and F = 75% NPK + Biofertilizer + Azolla. The study design used was a Randomized Block Design with four replications. The results showed that biofertilizer and Azolla combined with inorganic fertilizers can enhance total N soil, N plants, P available soil, P uptake of plants, and C organic soil. Application 50% NPK + Azolla + biofertilizer could increased Milled Dry Grain by 10.82% compared to the recommended dosage of inorganic fertilizer (100% NPK) and caould decrease the use of inorganic fertilizer by 50%.
EFEKTIVITAS EKSTRAK DAUN SUREN (Toona sureni Merr.) DALAM PENGENDALIAN HAMA LALAT BUAH (Bactrocera dorsalis) PADA BUAH CABAI (Capsicum annuum L.) Ida Hodiyah; Elya Hartini; Diana Safitri; Wawan Setiawan
Jurnal Agroekoteknologi Vol 12, No 1 (2020)
Publisher : Jurusan Agroekoteknologi Fakultas Pertanian Untirta

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.33512/jur.agroekotetek.v12i1.8767

Abstract

Bactrocera dorsalis is a very harmful pest for fruit and vegetable. Chemicalcontrol of these pests has raised another problem. The use of surian leaf extractcan be a good and environmentally friendly alternative control. This study aims to determine the effect of the administration of vegetable pesticides from suren leaf extract in the control of B. dorsalis on red chili. This research had been carried out at Siliwangi University and BBPOPT, Karawang in July to August 2019. This study used a Completely Randomized Design (CRD) with six replications. The concentration of suren leaf extract were : 0%, 0.025%, 0.05%, and 0.1%. The results showed that chili fruit extracts with the highest 0.1% consistently could reduce the number of larvae and the number of fruit attacked. The maincompounds contained in the surian leaf extract include 9,12-Octadecadienoic acid (Z, Z) -, phytol, acetate, phenol, 2-methyl-5- (1,2,2-trimethylcyclopentyl) -, (S) -, Cedren-13-ol, 8-, and 3,7,11,15-Tetramethyl-2-. These compounds were thought to be strong compounds that play a role in suppressing the number of larvae and the number of fruit attacked.
RESPONS TANAMAN KACANG HIJAU (Vigna radiata (L.) Wilczek) YANG DIBERI ANTIOKSIDAN DARI EKSTRAK KUNYIT TERHADAP CEKAMAN KEKERINGAN Maman Suryaman; Yaya Sunarya; Ratna Beliandari
Jurnal Agroekoteknologi Vol 12, No 1 (2020)
Publisher : Jurusan Agroekoteknologi Fakultas Pertanian Untirta

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.33512/jur.agroekotetek.v12i1.8780

Abstract

Mungbean is one of important sources of vegetable protein in Indonesia. Extensification through the utilization of drylands is very potential to increase mungbean production. The study aimed to find out the response of mungbean given antioxidants of turmeric extract to drought stress. The study was conducted in Kuningan West Java in 2019. The study was designed using a randomized block design with factorial patterns and three replications. The first factor was the concentration of antioxidant of turmeric extract, namely: 0%, 1%, and 1.5%, and the second factor was soil water content namely: field capacity, 75% field capacity, and 50% field capacity. The results showed that the yield of seeds remained high even though mungbean experienced mild stress (75% field capacity) by administering antioxidant of turmeric extract as much as 1% or 1.5%. Likewise, the number of seeds and relative water content of leaves remained high with the same treatment. Meanwhile, plant height, leaf area, and number of pods were increasingly reduced by decreasing the level of soil water content, on the other hand, antioxidants increased the number of filled pods.
PENGARUH PEMBERIAN BIOCHAR TANDAN KOSONG KELAPA SAWIT DAN MIKORIZA TERHADAP PERTUMBUHAN DAN HASIL TANAMAN JAGUNG MANIS (Zea mays sacharrata L.) DI TANAH ULTISOL Atria Deamalda Tarigan; Nelvia Nelvia
Jurnal Agroekoteknologi Vol 12, No 1 (2020)
Publisher : Jurusan Agroekoteknologi Fakultas Pertanian Untirta

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.33512/jur.agroekotetek.v12i1.8769

Abstract

The main problems of sweet corn cultivation in Ultisol medium are sour reactions, Al saturation and height P fixation, as well as low availability macro, micro nutrients especially Mo and Si. The provision of empty oil palm biochar is able to increase the growth and yield of sweet corn crops because the Biochar TKKS contains macro and micro nutrients such as N, P, K, Ca and Mg and also as a useful soil material to improve physical, chemical and biological properties of soil to increase pH, C-Organic, Ca, K, Mn, P, and mycorrhiza application be able to increase the availability of P so the fixation of P can be suppressed. The purpose of this research to learn the main influences of the Biochar TKKS, the main influence of mycorrhiza and the interaction of the growth and yield of sweet corn in the Ultisol medium. The experiment was conducted in the Experimental farm of the Agriculture Faculty, the University of Riau from May to August 2019.Research of experiments in the form of 4×3 factorial using Complete RandomDesign. The Biochar TKKS consists of four levels (0, 25, 3.75, 50 g polibag-1) asthe first factor, mycorrhiza consists of three levels (0, 10, 15 g plant-1) as thesecond, each repeated three times. The results of the study show that giving of the biochar TKKS dose 3.75 g polibag-1 and mycorrhiza dose 15 g plant-1 in theUltisol medium increased on plant height, straw weight, cob length and number of rows of each cob compared to no treatment.

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