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INDONESIA
AGROEKOTEKNOLOGI
Published by Universitas Sumatera Utara
ISSN : 23376597     EISSN : -     DOI : -
Core Subject : Agriculture,
Agriculture, Biological Sciences & Forestry
Jurnal AGROEKOTEKNOLOGI merupakan jurnal ilmiah yang diterbitkan secara online berisikan hasil-hasil penelitian tentang hama dan penyakit tumbuhan, agronomi, pemuliaan tanaman dan ilmu tanah
Arjuna Subject : -
Articles 59 Documents
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Search results for , issue "Vol 1, No 4 (2013)" : 59 Documents clear
ADAPTASI BEBERAPA VARIETAS BAWANG MERAH (Allium ascalonicum L.) PADA DATARAN RENDAH DENGAN PEMBERIAN PUPUK KANDANG DAN NPK Ahmad Andri Kusuma; E. Harso Kardhinata; Mbue Kata Bangun
Jurnal Agroekoteknologi Vol 1, No 4 (2013)
Publisher : Universitas Sumatera Utara

Show Abstract | Download Original | Original Source | Check in Google Scholar | Full PDF (229.72 KB) | DOI: 10.32734/jaet.v1i4.4348

Abstract

The adaptation of some shallot varieties has been conducted with the application of chicken manure andNPK fertilizer. The goal of this research is to know the adaptation of some shallot varieties in lowlandapplication of chicken manure and NPK fertilizer. The research was conducted at community land onPasar 1 Medan Selayang, Medan with altitude of 25 meters above sea level from May to July 2012. Usingrandomized block design. The first factor is three shallot varieties are Kuning, Medan, and Maja. Thesecond factor is four types of fertilizer; control, 240 g/plot chicken manure, 48 g/plot NPK, and chickenmanure plus NPK. The results showed that the varieties and fertilizer are significant in the fresh weightand number of cloves but not significant in plant height, number of tillers per hill, and dry weight. Whereas the interaction between varieties with fertilizers are not significant in all parameters. Heritability valuesranged from 0.03 - 0.87. All of the varieties tested have not been able to adapt well in the lowland interms of production so further studies using different varieties in the lowland is suggested.Key Words : shallot varieties, low land, chicken manure, NPK fertilizer.
VIRULENSI NUCLEAR POLYHEDROSIS VIRUS (NPV) TERHADAP ULAT GRAYAK (Spodoptera litura F.) (Lepidoptera : Noctuidae) PADA TANAMAN TEMBAKAU DELI DI RUMAH KACA Rimadhani, Ade Sartika; Bakti, Darma; Tobing, Maryani Cyccu
Jurnal Agroekoteknologi Vol 1, No 4 (2013)
Publisher : Universitas Sumatera Utara

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.32734/jaet.v1i4.4349

Abstract

The Virulence of Nuclear Polyhedrosis Virus (NPV) of Tobacco Caterpillar (Spodoptera litura F.)(Lepidoptera : Noctuidae) on Deli Tobacco In Glasshouse. Spodoptera litura(Lepidoptera : Noctuidae) is one important of pests on Deli tobacco. This research was study thevirulence of Nuclear Polyhedrosis Virus of larvae S. litura on Deli tobacco in Glasshouse. Thisresearch was carried out at Central Research Deli Tobacco Sampali PTPN II Medan fromMay to September 2012. The method of this research was Randomized Complete Design Factorialwhich consists stages of larvae (2nd and 4th instar) and the number of virus suspenses (10, 20, and 30larvae infected virus/1 l water) with three replications. The results showed that highest percentagemortality (91.67%) was found in treatment 2nd instar with suspense 30 larvae infected virus/1 l waterand the lowest percentage (0%) on control. The highest percentage of damage intensity (33.06%)was control and the lowest percentage (15.58%) on suspense 30 larvae infected virus/1 l water. Thefastest incubation period in the treatment 4th instar are I.67 days and suspense of 30 larvae infectedvirus/1 l water are 1.83 days and the lowest in the treatment 2nd instar are 2.58 days and controldidn’t showed symptoms infection.
EFEKTIFITAS JARAK TANAM DAN JUMLAH BENIH PER LUBANG TANAM TERHADAP PERTUMBUHAN DAN PRODUKSI PADI GOGO Agus Hariadi Pinem; Asil Barus; Chairani Hanum
Jurnal Agroekoteknologi Vol 1, No 4 (2013)
Publisher : Universitas Sumatera Utara

Show Abstract | Download Original | Original Source | Check in Google Scholar | Full PDF (297.005 KB) | DOI: 10.32734/jaet.v1i4.4350

Abstract

Effectiveness of different planting distance and number of seedlings per hill on growth and yield ofUpland Rice, supervised by Ir. Asil Barus, MS. and Dr. Dra. Ir Chairani Hanum, MS. The researchwas conducted in the field UPT BBI, at an altitude ± 57 m above sea level in April-July 2012 usingRandomized Block Design (RBD) factorial with two factors which are different planting (20 x 20cm, 20 x 25 cm , 20 x 30 cm) and the number of seedlings (2, 3, 4, 5, 6 seed /hill). The parametersmeasured were plant height, number of tillers, dry weight of the canopy, the canopy destructive dryweight, root dry weight, number of panicle, number of grain hollow, productive grain number, grainweight for each hill, 1000 grain weight and production for each plot. The results showed that allparameters significantly affected by the diiferent planting distance and number of seedlings per hilltreatment plant height, canopy dry weight, root dry weight, number of grain productive, and 1000grain weight.Keywords:
RESPON PERTUMBUHAN BIBIT KAKAO (theobroma cacao. L TERHADAP PEMBERIAN KOMPOS BLOTONG DAN PUPUK NPKMg PADA MEDIA SUBSOIL ULTISOL Sinabariba, Agustua; Siagian, Balonggu; Silitonga, Sanggam
Jurnal Agroekoteknologi Vol 1, No 4 (2013)
Publisher : Universitas Sumatera Utara

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.32734/jaet.v1i4.4351

Abstract

This research aims to test the response of seedling growth of cocoa (Theobroma cacao L) againstNPKMg fertilizer (15: 15: 6: 4) and the filter cake compost on soil media subsoild Ultisol. Thisresearch using randomized block design (RBD) factorial with 2 (two) treatment factors. The firsttreatment is: Compost filter cake with 4 level: M0 = subsoil Ultisol + compost filter cake (5kg+ 0 kg), M1 = subsoil Ultisol + compost filter cake (3.75 kg + 1.25 kg), M2 = subsoil Ultisol +compost filter cake (2.5 kg + 2.5 kg) , M3 = subsoil Ultisol + compost filter cake (1.25 kg+ 3.75 kg). The second factor, namely: Fertilizer dose NPKMg follows: P0 = 0 g / polybag,P1 = 3 g / polybag, P2 = 6 g / polybag and P3 = 9 g / polybag. Parameters measured wereseedling height, stem diameter, number of leaves, total leaf area, canopy wet weight, dry weightcrown, root wet weight and dry weight of roots. The result showed that the treatment effect is notreal compost filter cake growth of cocoa seedlings. NPKMg fertilizer treatment significantlyinfluenced all parameters were observed, namely: plant height, stem diameter, number of leaves,canopy wet weight, dry weight crown, root wet weight and dry weight of roots. Interactionblotong compost and fertilizer NPKMg unreal effect on the growth of cocoa seedlings..Keywords: cocoa seeds, compost and fertilizer blotong NPKMg
PENGGUNAAN JAMUR ANTAGONIS Trichoderma sp. dan Gliocladium sp. UNTUK MENGENDALIKAN PENYAKIT LAYU FUSARIUM PADA TANAMAN BAWANG MERAH (Allium ascalonicum L.) Ramadhina, Arie; Lisnawita, Lisnawita; Lubis, Lahmuddin
Jurnal Agroekoteknologi Vol 1, No 4 (2013)
Publisher : Universitas Sumatera Utara

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.32734/jaet.v1i4.4352

Abstract

The use of antagonism fungus of Trichoderma sp. and Gliocladium sp. for controlling wilt(Fusarium oxysporum) in red onion plants. The aim of the research was to know the effectiviness ofantagonism fungus of Trichoderma sp. and Gliocladium sp. in controlling wilt in red onion plants.The research used non-factorial RAK (random group design) with eight treatments: control, 10grams of F. oxysporum, 12 grams of Trichoderma sp., 18 grams of Trichoderma sp., 24 grams ofTrichoderma sp., and 12 grams of Gliocladium sp., 18 grams of Gliocladium sp., 24 grams ofGliocladium sp., and three repetitions. The result showed that the worst-highest disease was incontrol with 10 grams of F. oxysporum (2.60%) and the lowest disease was in control, 18 grams ofTrichoderma sp., 24 grams of Trichoderma sp., 18 grams of Gliocladium sp., and 24 grams ofGliocladium sp. (0.71%). The accident of the highest disease was in 10 grams of F. oxysporum(5.01%) and the lowest was in control, 18 grams of Trichoderma sp., 24 grams of Trichoderma sp.,18 grams of Gliocladium sp., and 24 grams of Gliocladium sp. (0.71%). The largest number ofleaves was in 24 grams of Trichoderma sp. (36 leaves), and the smallest was in 10 grams of F.oxysporum (29 leaves). The highest plants was in 24 grams of Gliocladium sp. (40.20 cm) and thelowest in 10 grams of F. oxysporum (37.26 cm). The largest number of F. oxysporum colonies in 10grams of F. oxysporum (8.86%). The highest production was in 24 grams of Trichoderma sp. (2.34tons/ha) and the lowest in 10 grams of F. oxysporum (1.56 tons/ha). The test of antagonism fungusof Trichoderma sp. and Gliocladium sp. on F. oxysporum indicates that the growth of both types ofantagonism is faster so that F. oxysporum tends to keep away from antagonism in the medium of thelaboratory.Keywords: Trichoderma sp., Gliocladium sp., Fusarium oxysporum, antagonism
PERTUMBUHAN DAN PRODUKSI BAWANG MERAH (Allium ascalonicum L.) DENGAN PEMBERIAN PUPUK KANDANG AYAM DAN EM4 (Effective Microorganisms4 Ashrafida Rahmah; Rosita Sipayung; Toga Simanungkalit
Jurnal Agroekoteknologi Vol 1, No 4 (2013)
Publisher : Universitas Sumatera Utara

Show Abstract | Download Original | Original Source | Check in Google Scholar | Full PDF (285.645 KB) | DOI: 10.32734/jaet.v1i4.4353

Abstract

Shallot is the one of leading vegetable which has long been cultivated by farmers intensive, the lowyields of shallot in Indonesia is caused by the use of low quality seeds and planting medium that isnot good. Efforts to increase onion yields, among others by chicken manure and EM4. Thisresearch has been conducted to obtain the optimal dose the effect of chicken manure and EM4application on the growth and yield of the shallot. Research was conducted on Jalan Pasar Satu,Medan Selayang, Medan with a height of 25 m above sea level on June to August 2012. usingrandomized block design of two factors, the factors are chicken manure (0, 40, 80, 120 g / plant) andEM4 (0, 3.5, 7 cc / l of water). The parameters observed were plant height, tillers number, leafnumber, wet weight per sample, wet weight per plot, dry weight per sample, dry weight per plot andclove number. The results showed that treatment of chicken manure significantly influenced all theparameters in which a dose of 120 g / plant showed the highest yields. EM4 treatment significantlyinfluenced the parameters of wet weight per plot and dry weight per plot. Interaction of bothtreatments significantly influenced wet weight per plot, dry weight per plot, and the cloves numberper sample.Key words : shallot, chicken manure, EM4
APLIKASI PUPUK ORGANIK DAN BENZILADENIN TERHADAP PERTUMBUHAN DAN PRODUKSI TANAMAN ROSELA (Hibiscus sabdariffa L.) Budi Santoso; Irsal Irsal; Haryati Haryati
Jurnal Agroekoteknologi Vol 1, No 4 (2013)
Publisher : Universitas Sumatera Utara

Show Abstract | Download Original | Original Source | Check in Google Scholar | Full PDF (122.953 KB) | DOI: 10.32734/jaet.v1i4.4355

Abstract

This research has been conducted to study the effect of organic matter andbenziladenin aplication on the growth and yield of the roselle. Research wasconducted on Research Center at Tanjung Selamat Village, sub district sunggalwith a height of 57 m above sea level during February-June 2012, using factorialrandomized block design with two factors, they are compost (0, 200, 400g/polybag) and benziladenin (0, 100, 200, 300 cc/l). The parameters observedwere plant height, flowering age, branch number, fruit production per plant, freshweight of fruits per plant, fresh weight of petals per plant, dry weightof petals perplant and seed weight per plant. The result of the research showed that compostsignificantly increased all parameters, bensiladenin significantly increased thebranch number, and interaction of both compost and benziladenine did not showany significant effect on all parameters.
PEMETAAN STATUS HARA K, Ca, Mg TANAH PADA KEBUN KELAPA SAWIT (Elaeis guineensis Jacq) DI PERKEBUNAN RAKYAT KECAMATAN HUTABAYU RAJA KABUPATEN SIMALUNGUN Star Marudur Pangaribuan; Supriadi Supriadi; Sarifuddi Sarifuddi
Jurnal Agroekoteknologi Vol 1, No 4 (2013)
Publisher : Universitas Sumatera Utara

Show Abstract | Download Original | Original Source | Check in Google Scholar | Full PDF (357.935 KB) | DOI: 10.32734/jaet.v1i4.4356

Abstract

Mapping survey in order to classify, analyze and soil mapping by grouping at soils which have thesame characteristics a certain mapping unit. The objective of this research is to mapping of K, Ca,and Mg of soils at people Palm oil estate of Hutabayu Raja, Simalungun District. This researchwas begun in Juni 2011 until Februari 2012. Soil nutrient data obtained through free sampling gridmethod. Mapping and classification using Geographic Information System with criteria nutrientstatus of BPPT (1983) and BPP Medan (2005). The result of research indicate that mediumPotassium,very low Calcium and low Magnesium (0,3 Ha), medium Potassium, very low Calciumand very low Magnesium (204 Ha), high Potassium, very low Calcium and low Magnesium (5 Ha)and high Potassium, very low Calcium and very low Magnesium ( 90 Ha).Keywords : mapping survey, potassium, calcium, magnesium
EVALUASI KESESUAIAN LAHAN UNTUK TANAMAN APEL DI DESA SIHIONGKECAMATAN BONATUA LUNASI KABUPATEN TOBA SAMOSIR Carlos Samuel; Bintang Sitorus; Supriadi Supriadi
Jurnal Agroekoteknologi Vol 1, No 4 (2013)
Publisher : Universitas Sumatera Utara

Show Abstract | Download Original | Original Source | Check in Google Scholar | Full PDF (227.773 KB) | DOI: 10.32734/jaet.v1i4.4366

Abstract

The objective of this research is to evaluate the land  suitability for Apple Trees at Sihiong Village,Bonatua Lunasi Subdistrict, Toba Samosir District. The results of this study showed that 11 soilmap units found based on the map of soil and the map of topography, and than it makes to overlay.The evaluation of land suitability  classes based on the criteria given by Resesarch Center,IPBBogor  1983 and the evaluation method  is limitation method based on FAO 1976. The results ofthis research showed that  the highest actual of land suitability classes is land mapping unit two (S3nr,eh) and the highest potential of land suitability classes is land mapping unit 1,3,5,7,8,10,11 (S1)Keywords: land suitability evaluation,apples, sihiong village
PENGARUH PENGGUNAAN BEBERAPA MULSA PLASTIK dan VARIETAS TERHADAP SERANGAN PENYAKIT ANTRAKNOSA (Colletotrichum capsicii Sydow.) PADA TANAMAN CABAI (Capsicum annum L.) di LAPANGAN Charles E Ginting 1; Mukhtar Iskandar Pinem; Maryani Cyccu Tobing
Jurnal Agroekoteknologi Vol 1, No 4 (2013)
Publisher : Universitas Sumatera Utara

Show Abstract | Download Original | Original Source | Check in Google Scholar | Full PDF (323.943 KB) | DOI: 10.32734/jaet.v1i4.4369

Abstract

he influence of the use of plastic mulchs and chili varieties on the attack of  antracnose(Colletotrichum capsicii Sydow.) on chili plants (Capsicum annum L.) in the field.                                                                                                                       The aim of the research was to know the appropriate type of  mulchs which could be used to curbthe attack of antracnose and which chili varieties are  resistant against antracnose. The researchused  Cluster  Random  Design (CRD) Factorial which consisted of two factors and threerepetitions. The first factor was plastic mulchs: non mulch (M0). silver (M1). and black (M2) the second factor was varieties: Lado F1 (V1). Lembang 1 (V2). Tanjung 2 (V3). The resultshowed that silver black mulch was the best to inhibite antracnose (1.08 %) with Lado F1(1.12%) and the highest on no mulch (7.82 %) with Tanjung 2. Interaction of no mulch andTanjung 2 were lowest (1.70%) and the highest (11.46%) on no mulch and Tanjung 2. Thehighest production  (0.72 ton/ha) on silver black mulch with Lado F1 (0.63 to/ha) and the loweston no mulch (0.20 ton/ha) with Tanjung 2 (0.17 ton/ha). Interaction of black silver mulch andLado F1 were highest (0.89 ton/ha) and the lowest (0.15 ton/ha) on no mulch and Tanjung 2. Keywords : plastic mulchs. varieties. antracnose. chili.

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