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INDONESIA
Jurnal Agroteknos
Published by Universitas Halu Oleo
ISSN : 20877706     EISSN : 25274074     DOI : -
Core Subject : Agriculture,
Agriculture, Biological Sciences & Forestry
Arjuna Subject : -
Articles 130 Documents
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MORFOLOGI BUNGA YANG SESUAI BAGI KULTUR MIKROSPORA PADA TANAMAN JARAK PAGAR (Jatropha curcas L.) Suaib Suaib; Makmur Jaya Arma; Muhidin Muhidin
Jurnal Agroteknos Vol 4, No 1 (2014)
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Abstract

An experiment aimed in gaining information on morphological characteristics of Jatropha curcas (L.) containing high frequency of uninucleate microspores has been done. This was important due to the successful application of experiment in haploid technique through anther or microspore culture is strongly determined by the availability of information from basic research such as appropriate morphology of the flowers. This scientific article, in our knowledge, was an early explanation of the initial steps of whole procedures in the microspore culture of Jatropha curcas (L.).  Results of the research showed that the morphological features of flower that contained high frequency of mid- and late uninucleate microspores was that the flowers must be in the range of 2 to 3 mm in length. Such flowers contained yellowish anthers.Key words: Flowers length, mid- and late-uninucleate, morphology, physic nut, microspore
INVIGORASI BENIH PADI GOGO LOKAL UNTUK MENINGKATKAN VIGOR DAN MENGATASI PERMASALAHAN DORMANSI FISIOLOGIS PASCAPANEN GUSTI AYU KADE SUTARIATI; ZUL’AIZA ZUL’AIZA; STEFANY DARSAN; LD MUHAMMAD ALI KARSA; SRI WANGADI; LA MUDI
Jurnal Agroteknos Vol 4, No 1 (2014)
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Abstract

The objective of this research was to evaluate the effect of seed invigoration on improving seed viability and vigor, and to overcome problems of postharvest physiological dormancy of upland rice seed. The research was conducted from February to June 2011 at Agrotechnology Laboratory, Faculty of Agriculture, Halu Oleo University. The experiment used randomized complete design which consisted of 13 treatments, i.e control (G0), Hidration-Dehidration (G1), Matriconditioning using ground brick (G2), Matriconditioning using ground burned-rice husk (G3), Bacillus CKD061 (G4), P. fluorescens PG01 (G5), Serratia CMN175 (G6), Biomatriconditioning using ground brick + Bacillus CKD061 (G7), Biomatriconditioning using ground brick + P. fluorescens PG01 (G8), Biomatriconditioning using ground brick + Serratia CMN175 (G9), Biomatriconditioning using ground burned-rice husk + Bacillus CKD061 (G10), Biomatriconditioning using ground burned-rice husk + P. fluorescens PG01 (G11), Biomatriconditioning using ground burned-rice husk + Serratia CMN175 (G12). Each treatment was replicated three times, therefore, overall there were 36 experimental units. Data obtained were analyzed using analysis of variance and followed with Duncan’s Multiple Range Test. The research results showed that bio-invigoration treatments integrated with rhizobacteria were effective to overcome the problems of postharvest physiological dormancy when local upland rice seeds were harvested. In addition, this treatment was also able to increase viability and vigour of the seed. Among treatments tested, the use of Bacillus sp. CKD061 or P. fluorescens PG01, either independently or integrated with matriconditioning using ground brick or ground burned- rice husk was more effective in improving viability and vigour of local upland rice seed compared to other treatments.
PENGARUH PUPUK BOKASHI KOTORAN SAPI TERHADAP PERTUMBUHAN DAN PRODUKSI PADI SAWAH PADA ULTISOL PUOSU JAYA KECAMATAN KONDA, KONAWE SELATAN MUH TUFAILA; YUSRINA YUSRINA; SYAMSU ALAM
Jurnal Agroteknos Vol 4, No 1 (2014)
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Abstract

This study aimed to determine the effect of the use of bokashi fertilizer on Rice productivity in Ultisol Puosu Jaya, Konda district, South Konawe, conducted on April to September 2013.  The study was arranged in randomized block design (RBD) with a single factor pattern, consisted of eight bokashi fertilizer treatments with three replications, namely: without bokashi fertilizer (K0), dose of  5 tons ha-1 (K1), dose of 7.5 tons ha-1 (K2), dose of 10 tons ha-1 (K3), dose of 12.5 tons ha-1 (K4), dose of 15 tons ha-1 (K5), dose of 17.5 tons ha-1 (K6) and dose of 20 tons ha-1 (K7), so that there were twenty four experimental units.  Observed variables included the growth and production of plants, soil analysis before and after treatment as well as the analysis of the quality of the fertilizer used.  Data were analyzed using analysis of variance followed by Duncan’s Multiple Range Test. The result showed that the use of compost at Ultisol dose of 12.5 tons ha-1 (K4) gave the best effect on the growth and production of rice in Ultisol Puosu Jaya, Konda district, South Konawe. However, the effect of this treatment did not significantly different with the effect of dossages of 5 and 7.5 tons ha-1 with reached resultof 7.6 and 8.4 tons ha-1, respectively.Keywords : bokashi, rice, Ultisol.
POLA DISTRIBUSI FOTOSINTAT PADA FASE VEGETATIF BEBERAPA VARIETAS KEDELAI PADA TANAH MASAM DI SULAWESI TENGGARA SARAWA SARAWA; ARSY AYSYAH ANAS; ASRIDA ASRIDA
Jurnal Agroteknos Vol 4, No 1 (2014)
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Abstract

This study was to determine differences in the distribution of photosynthate of vegetative phase of several varieties of soybean (Glycine max L. Merril) cultivated on acid soil of Southeast Sulawesi. This research was conducted in the sub district Anduonohu, Poasia district and at Agrotechnology Laboratory, Faculty of Agriculture University Halu Oleo, Kendari from July to October 2013. The research design used was randomized block design (RBD) with three replications. Variety treatment consisted of varieties Kaba, Argomulyo, Tanggamus, Grobogan and Gema.  The variables observed in this study were root dry weight, stem dry weight, leaf dry weight, stem dry weight, and branch dry weight. Results of statistical analysis of the data showed that the treatment affected the distribution of photosynthate on different plant varieties. Different varieties gave significant effect on root dry weight, stem dry weight, leaf dry weight, branch dry weight.Keywords : Acid soils, distribution of photosynthate, soybean, varieties
KAJIAN TINGKAT ALIRAN PERMUKAAN DAN EROSI, PADA BERBAGAI TIPE PENGGUNAAN LAHAN DI SUB DAS JENNEBERANG HULU ANDI MASNANG; NAIK SINUKABAN; SUDAR -
Jurnal Agroteknos Vol 4, No 1 (2014)
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Abstract

The objective of this research was to evaluate and assess the level of run-off  and erosion on various types of land use in the Upper Jenneberang Sub Watershed. This research was conducted in the Upper Jenneberang Sub Watershed, Saluttoa Village, Sub Tinggimoncong, Gowa regency, South Sulawesi Province. Land use type (LUT) which was used as land units of observations was determined based on land use maps of upper Jenneberang sub watershed. Based on the analysis results of map and observation in the field, it was defined four types of land use as land units of observation: 1) Natural forest, 2) Gliricidia tree-dominated agroforestry, 3) Coffee tree-dominated agroforestry, and 4) Maize monoculture. Each LUT was given the observation plot size 30 m x 10 m and plot placement was determined randomly. All LUT had slope 26%, soil type of Brown Latosol at the same altitude and climate. The composition of the observation plot was based on Randomized Block Design (RBD). Collected data on LUT included: soil physical properties, infiltration rate, run-off and erosion. The result showed that changes in land use of natural forests into agroforestry and maize monoculture types resulted in decreased amount of woody vegetation that resulted in increased run-off and erosion. Keywords : run-off, erosion, agroforestry
EFEKTIFITAS TRICHODERMA INDIGENUS SULAWESI TENGGARA SEBAGAI BIOFUNGISIDA TERHADAP Colletotrichum sp. SECARA IN- VITRO HS GUSNAWATY; MUHAMMAD TAUFIK; HERMAN HERMAN
Jurnal Agroteknos Vol 4, No 1 (2014)
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Abstract

This research aimed to determine the effectivity of Trichoderm isolates indigenous of Southeast Sulawesi as biofungicide to Colletotrichum sp  in- vitro. This research was carried out in the Laboratory of Agrotechnology, Plant Pathology unit, Faculty of Agriculture, Halu Oleo University.  Inhibition effectivity of 11  Trichoderma  spp.  isolates was done in double PDA media.  This research used  the complete randomized design (CRD).  The observed variables were the inhibitory of  Trichoderma  spp.  indigenous on the growth of Colletotrichum sp. Research result showed that the 11 isolates were effective as biofungicide against Colletotrichum sp.  The data analysis showed that isolates DPA was the best isolate, inhibiting  Colletotrichum  sp. by 77.69%, otherwise LKP was isolate with the lowest inhibitory ability against  Colletotrichum  sp, by 65.07%.  Inhibition mechanism of isolates DPA and DKT against Colletotrichum sp was by area competition and parasitism.Key words:  Antagonist, Colletotrichum sp., Trichoderma Indigenous.
KETAHANAN GENOTIPE KEDELAI TERHADAP KEKERINGAN DAN KEMASAMAN, HASIL INDUKSI MUTASI DENGAN SINAR GAMMA B.RINI WIDIATI GIONO; MUH. FARID BDR - -; AMIN NUR; MUCHTAR S. SOLLE; IZDDIN IDRUS
Jurnal Agroteknos Vol 4, No 1 (2014)
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Abstract

The study aimed to classify soybean genotypes that are tolerant, moderate and sensitive to drought and acidity. The results are expected to give a contribution in the development of Soyban on dry land and acid soil.  Increasing of genetic diversity was carried out through mutation induction by gamma ray in soybean seeds. The experiment was conducted in green house by using the method in the form of a two-factor factorial design laid out in the draft group. The first factor was the variety (V) which consisted of three kinds, namely soybean Menyapa varieties (v1), Orba (v2), and Tanggamus (v3). The second factor was the dose of gamma-ray irradiation (D) consisted of 4 doses of 0 Gy (d0), 25 Gy (d1), 50 Gy (d2), and 75 Gy (d3) at concentrations of PEG and Al which showed that the level of diversity the biggest concentration of 30 previous trials of PEG+10 ppm Al. The volume of nutrient solution (Hoagland's) maintained in accordance with the initial volume by adding distilled water, and the solution was maintained at pH 4 using NaOH and HCl 1N. The results showed that the grouping was based on drought tolerant and acidity as follows: genotypes tolerant were varieties Menyapa 50 Gy gamma irradiation, variety of Orba 25 Gy of gamma irradiation, gamma irradiation variety Tanggamus 0 Gy, 25 Gy, 50 Gy of gamma iradiation. Moderate genotype were varieties Menyapa 75 Gy of gamma irradiation, variety Orba 50 Gy, 75 Gy of gamma irradiation, variety Tanggamus 75 Gy of gamma irradiation; genotype susceptible were variety Menyapa 0 Gy, 25 Gy of gamma irradiation; variety Orba without gamma irradiation of 0 Gy.
DETEKSI POTYVIRUS PADA NILAM (Pogostemon Cablin (BLANCO) BENTH) DENGAN TEKNIK ELISA DI SULAWESI TENGGARA MUHAMMAD TAUFIK; ASMAR HASAN; ANDI KHAERUNI; GUSNAWATY HS - -; SARAWA MAMMA
Jurnal Agroteknos Vol 4, No 1 (2014)
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Abstract

Mosaic symptoms were observed on Patchouli (Pogostemon cablin) around North Kolaka and Kolaka, Southeast Sulawesi during surveys in early 2012. Indirect-ELISA based detection was conducted using symptomatic leaf samples. The objective of the research was to determine disease incidence of Potyvirus in several farms of Patchouli plant in Southeast Sulawesi. The results showed that Patchouli plant (Pogostemon cablin) was found to be infected with Potyvirus disease showing mosaic symptoms and malformation on the leaf samples i.e. in Amotowo and Boro-Boro Villages of subdistrict Boro-Boro, and Landabaro Village, Mowila subdistrict of South Konawe regency; Asinua Village of subdistrict Unaaha, Lambuya district of subdistrict Lambuya, and Bungguosu district, Konawe subdistrict of Konawe regency; and Anduonohu district, Poasia subdistrict of Kendari regency. This is the first report on Potyvirus infection on patchouli in Southeast Sulawesi. Keywords: Inderect-ELISA, mosaic, Potyvirus, Pogostemon cablin
POLA AGIHAN DAN INTENSITAS PENYAKIT BUSUK PANGKAL BATANG LADA DI PROVINSI SULAWESI TENGGARA LA ODE SANTIAJI BANDE; BAMBANG HADISUTRISNO; SUSAMTO SOMOWIYARJO
Jurnal Agroteknos Vol 4, No 1 (2014)
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Abstract

The success of foot rot disease control is largely dependent on information data of pepper cultivation conditions, distribution pattern of the disease, and the magnitude of the intensity of the disease. This study aimed to determine the condition of pepper cultivation, distribution pattern of pepper foot rot disease, the development of disease symptoms, and intensity of pepper foot rot disease in Southeast Sulawesi. Data cultivation conditions, distribution of the disease, progression of symptoms, and the intensity of the disease were obtained by means of surveys in pepper plantations and interviews with pepper farmers. The results showed that the pepper plantations in Southeast Sulawesi were cultivated on flat to hilly topography, and the cultivation method was very conventional but herbicide use was very intensive. The development of wilt symptoms on pepper plants was very quick in dry weather but slow in the wet. Pepper foot rot disease has patch distribution. The highest intensity of the pepper foot rot disease was in less weedy plantations with intensive use of herbicides. The intensity of the pepper foot rot disease in Southeast Sulawesi was 61,2% with the spread in each district namely South Konawe at 53,8%, Konawe at 63,7% and Kolaka by 61,2%.
PREFERENSI DAN KEMAMPUAN MAKAN TIKUS RUMAH (Rattus–rattus diardii) PADA BEBERAPA VARIETAS BERAS (Oryza sativa L.) DI PENYIMPANAN RAHAYU M -; TERRY PAKKI; TITI SUKMAWATI
Jurnal Agroteknos Vol 4, No 1 (2014)
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Abstract

This research was conducted in the Laboratory Agrotechnology of the Faculty of Agriculture , University of Halu Oleo Kendari  from June to July 2013. The purpose of this study was to evaluate the preferences and eating ability of rat on some varieties of rice in storage. The sign of study was arranged in latin square design, wich consists of five varieties of treatment that Ciliwung varieties, Konawe varieties, Pandan Wangi varieties, Mekongga varieties and Dolog rice, so that there are 25 experimental units for eating ability of rats hungry and 25 experimental units for the eating ability of rats not hungry, coupled 3 treatment with respective 3 replication for eating preference in order to obtain 59 experimental units. Were analyzed using analysis of variance, followed by Duncan’s Multiple Range Test (DMRT). The results showed that eating preferences with the treatment option on the five varieties obtained preferred of rats with an average consumption respectively are Pandan Wangi varieties 6.82 g tail -1. Eating ability of rats showed all the tested varieties pferred to rats except Dolog rice, so ii may be recomendation to use Pandan Wangi varieties or Konawe varieties as varieties trap or pulling varieties  for avoid major varieties of rat infestation.

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