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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 9 Documents
 1 
Search results for , issue "Vol 2, No 3 (2012)" : 9 Documents clear
PENGGUNAAN Bacillus spp. SEBAGAI AGENS BIOKONTROL UNTUK MENGENDALIKAN PENYAKIT LAYU FUSARIUM PADA TANAMAN CABAI Andi Khaeruni; HS Gusnawaty
Jurnal Agroteknos Vol 2, No 3 (2012)
Publisher : Fakultas Pertanian Universitas Halu Oleo

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.56189/ja.v2i3.2280

Abstract

The use of Bacillus spp. Bacteria as biocontrol agents is one alternative disease control for Fusarium wilt Fusarium oxysporum f.sp. Lycopersici on chilli plant . this study aimed to determine the effectiveness of Bacillus spp. As a biocontrol agent in various ways of application to control Fusarium wilt disease in pepper in in-vivo. Experiments were prepared  using  two  factor  factorial  in  a  completely randomized design  (CRD).  Factor  1 (Applications) consisted of levels, namely: application of biocontrol agent Bacillus spp. M11 isolates (B1), application of biocontrol agents Bacillus spp. isolates F133 (B2), and application biocontrol agent Bacillus spp. mix. M11 isolates and isolates F133 (B3). The second factor (time of inoculation/application) consisted 3 levels, namely: inoculating the seed (S1), inoculation of Bacillus spp. simultaneously with pathogen inoculation (S2), inoculation of Bacillus spp.  one week after pathogen inoculation (S3), to see the effect of the two isolates of Bacillus spp. that the latent period, the biocontrol agents Bacillus spp. mix isolates M11 and F133, was the best treatment with the longest latency period of the disease (16 hsi), the best plant growth by plant height reached 57,39 cm, and the lowest disease incidence and severity were 12,96 % and 11,11 %, respectively interaction between agent Bacillus spp. mix. Isolates M11 and F133 at the time of application on seed significantly affected the incidence of disease and plat height. Keyword: biocontrol agents, Bacillus spp., and Fusarium oxysporum f.sp. Lycopersici
POTENSI EKSTRAK DAUN SIRIH (Piper betle liin) SEBAGAI BIOFUNGISIDA PENYAKIT BUSUK BUAH STROBERI (Colletotrichum fragariae brooks) SECARA IN-VITRO Eka Lestari Ariyanti; Rahmat Jahuddin; Muhammad Yunus
Jurnal Agroteknos Vol 2, No 3 (2012)
Publisher : Fakultas Pertanian Universitas Halu Oleo

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.56189/ja.v2i3.2276

Abstract

One of important pathogens on strawberry is Colletotrichum fragariae causing fruit rot. The study aimed to investigate the potency of water betel leaf extract (Piper betle liin) as biofungicides for inhibiting growth of C. Fragariae under   in-vitro test.   The study was arranged in Completely Randomized Design that consisted of five treatments : 0%, 10%, 20%, 30%, and 40%  concentration of water betel leaf extract.  Betel leaf was extracted by grinded in mortal, added steril water and mixed with PDA medium.  The study showed that the 40% concentration of  water betel leaf axtraction was most effective to inhibit growth of C. Fragariae in-vitro on PDA medium. The inhibiting ability of coloni grown was 58,57%, while inhibiting of spore germination was 33,59%. Key word :  Colletotrichum fragariae, strawberry, water betel leaf extract.
DAYA HASIL BEBERAPA KULTIVAR PADI GOGO LOKAL ASAL SULAWESI TENGGARA PADA CEKAMAN KEKERINGAN Gusti Ray Sadimantara; Muhidin Muhidin
Jurnal Agroteknos Vol 2, No 3 (2012)
Publisher : Fakultas Pertanian Universitas Halu Oleo

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.56189/ja.v2i3.2272

Abstract

Demand for rice as a source of food continues to rise, while the capacity to produce a rice paddy more limited. One effort is to develop upland rice tolerance to drought and high production potential. The study was conducted at the Experimental Faculty of Agriculture Unhalu. Character judgments production were observed between (1) the number of tillers at harvest, (2) the number of productive tillers, (3) panicle length (cm), (4) the number of filled grain/panicle  and  seed  weight  of  100  grains.  The  results  showed  that  there  are  two varieties that are very resistant to drought conditions, namely Bali and Wangkariri Sala. While five local upland rice varieties are very sensitive to drought are varieties Paebiu Sitoro, Wagamba, Paebiu Angata, Apolo, Wakawondu. Keywords: drought resistance, drought stress, upland rice.
IDENTIFIKASI FAUNA TANAH EPIGEON DAN HEMIEDAFON PADA SISTEM TUMPANGSARI TANAMAN JAGUNG (Zea mays L.) DAN KACANG TANAH (Arachis hypogaea L.) PADA PERLAKUAN MIKORIZA INDIGEN DAN PUPUK ORGANIK CAIR Terry Pakki; Halim Halim; Arbiyanti Arbiyanti
Jurnal Agroteknos Vol 2, No 3 (2012)
Publisher : Fakultas Pertanian Universitas Halu Oleo

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.56189/ja.v2i3.2277

Abstract

This study aimed to determine the effect of indigenous mycorrhiza and liquid organic fertilizer on corn and peanut intercropping system and its effect on the epigeon and hemiedafon fauna population. This study was conducted by using three methods of sampling: pitfall trap, transect and funnel barlles. The result of this study showed that there were several types of epigeon and hemiedafon soil fauna to the corn and peanut intercropping system  that  treated  by  indigenous mycorhiza and  liquid  organic  fertilizer  :    they  were Cockroachest east (Blatta orientalis L.), Millipedes (Trigoniulus corallinus), Leech (Tyrnnobdella rex),  Black  fire  ants  (Selenopsis richteri),  Fire  ants  (Selenopsis geminata), Black ants (Dolichoderus bituberculatus), Centipede (Scolopendra sp.), Small red ants, Crickets  ground  (Allonemobius fasiatus),  Field  crickets  (Gryllus  pennsylvanicus), Ground spider (Lycosa sp.), German roaches (Blattella fasciatus), Termites (Coptotermes sp.), Snails (Achatina fulica) and Earthworm genus Lumbricus. The highest level of epigeon and hemiedafon soil fauna population was found at 4 MST; they were Black ants (Dolichoderus bituberculatus) and Termites (Coptotermes sp.) in one colony. The lowest level of epigeon and hemiedafon soil fauna population was found in untreated area (controlled). Key words :    soil  fauna,  epigeon,  hemiedafon,  intercropping  system,  indigen  mycorrhiza, liquid organic fertilizer
KLASIFIKASI GENOTIP JAGUNG LOKAL ASAL KABUPATEN WAKATOBI DAN KABUPATEN BOMBANA BERDASARKAN KARAKTER FENOTIPNYA La Ode Safuan; Hamirul Hadini
Jurnal Agroteknos Vol 2, No 3 (2012)
Publisher : Fakultas Pertanian Universitas Halu Oleo

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.56189/ja.v2i3.2273

Abstract

The aims of the research were : (1) as resources of morfology data base of local corn of Southeast Sulawesi, and (2) to Classify local corn of Southeast Sulawesi based on fenotypic characters. The research was carried out at Poasia Vilage, District Rahandouna, Kendari, Southeast Sulawesi, from June to September 2011. The study was arranged on Randomized Block Desing (RBD), with  3  replicates.  The  treatment was  local  corn  varieties. Variabel measured were: cob height (cm)   plant height (cm), leaf number per plant, stem diameter (mm), cob length (cm), cob diametter (mm), row number on the cob, seed number on the cob, seed number on the row,   seed weight per cob, weight of 100 seed, production per hectar. Data were analysed using ANOVA,   multivariat PCA and Cluster Analysis with SAS Software. Result of the Research showed that : (1) analysis of variance, Principal Component Analysis, and cluster analysis showed consistent grouping based on    stem and leaf component, cob component, seed component, and production component, and (2) most of corn collection (30 cultivars) had moderate production capability (± 3 tons/ha), 11 cultivars had low production (1.76 to 2.48 tons/ha), and only 4 cultivars (AWT-06, BMB-02, BMB-03 and BMB-04) had high production and moderate age (± 90 days), reaching 4.14 to 4.75 tons/ha. Key Words : genotipe, local corn, caracter, clasification
UJI KOMBINASI PUPUK ORGANIK DAN ANORGANIK DALAM POLA LEISA TERHADAP PERTUMBUHAN DAN HASIL TANAMAN SORGUM LOKAL PADA LAHAN MARGINAL Sitti Leomo; Gusti Ayu Kade Sutariati; Agustina Agustina
Jurnal Agroteknos Vol 2, No 3 (2012)
Publisher : Fakultas Pertanian Universitas Halu Oleo

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.56189/ja.v2i3.2278

Abstract

The  experiment  was  aimed  to  know     the  effect  of  combination  of  organic  and anorganic  fertilizers  on  growth  and  yield  of  local  sorghum  crops  on  dry  land.  The experiment    was  conducted  in  Kambu  District  Poasia  and  Agrotechnology  Laboratory, Faculty of Agriculture University of Haluoleo, from August to December 2011. The experiment was arranged on randomized block design (RBD), which consisted   of 7 treatments namely: control (A), 5 tons ha-1 of organic fertilizer (B), anorganic fertilizer (200 kg ha-1 urea, 100 kg ha-1 SP36 and 50 kg ha-1 KCl) (C), organic + anorganic fertilizer full recommended dosage (D), organic fertilizer +1/2 recommended dosage of anorganic fertilizer (E), organic fertilizer + ¼ recommended dosage of  anorganic fertilizer (F) and organic fertilizer + 1/8 recommended dosage of anorganic fertilizer (G). Each treatment was repeated 3 times, therefore  overall there were  21 experimental units. Data obtained were analyzed using  analysis of  variance and  followed by  Duncan’s Multiple Range Test. The research results showed that the combination of organic and anorganic fertilizers provided a significant influence on growth and yield of sorghum crops. Treatment of organic fertilizer + ½ recommended dosage of anorganic fertilizer (organic fertilizer 5 ton ha-1 + anorganic fertilizer 100 kg ha-1 Urea, 50 kg ha-1 SP36dan 20 kg ha-1 KCl) gave better effects on the observed variables: plant height, stem diameter, leaf number, leaf area, dry weight of plant biomass, panicle length, fresh weight of panicle, grain weight and the weight of 1000 seeds of sorghum. Keywords: combination of organic and anorganic fertilizers, rhizobakteria, sorghum
ANALISIS SPASIAL TINGKAT BAHAYA EROSI DI DAERAH ALIRAN SUNGAI (DAS) MORAMO DENGAN MENGGUNAKAN SISTEM INFORMASI GEOGRAFIS (SIG) Muh. Tufaila; Jufri Karim; Syamsu Alam
Jurnal Agroteknos Vol 2, No 3 (2012)
Publisher : Fakultas Pertanian Universitas Halu Oleo

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.56189/ja.v2i3.2274

Abstract

Spatial analysis on erosion potential is required to create an integrated management of  watersheds, thoroughly and,  environmentally sustainable, where  the  watershed  as  a management unit. The research was conducted in the watershed area Moramo South Konawe. This research was conducted through an overlay approach using geographic information system (GIS) map of Thiessen polygons, slope maps, soil maps and land use maps. The study obtained five classes of erosion potential, namely very light (2685.60 ha or 21.27 %); light (2359.08 ha or 18.68 %); medium (903.70 ha or 7.16%); heavy ( 381.63 hectares or 3.02% )  ;  and very heavy 6297.94 hectares or 49.87 %). Dominant erosion hazard  level  in  the  basin  Moramo  was  in  the  District  Moramo,  approximately 3496.75 hectares or 27.69 % of the total area of  the watershed Moramo and had been used for agricultural land for approximately 3992.48 hectares or 31.62 %. Keywords : Erosion, GIS, Moramo, Watershead Management,
SURVEI KEJADIAN PENYAKIT BUSUK PANGKAL BATANG (Phytophthora capsici) TANAMAN LADA (Piper nigrum. L) DI KABUPATEN KONAWE SELATAN Asniah Asniah; H Syair; Tuti Wahyuni AS
Jurnal Agroteknos Vol 2, No 3 (2012)
Publisher : Fakultas Pertanian Universitas Halu Oleo

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.56189/ja.v2i3.2279

Abstract

The aim of this study was to know how big the rotten disease incidence on stalk base of pepper that was caused by Phytophthora capsici in South Konawe Regency and also   to know what the farmer’s action to manage  the rotten disease on stalk base of pepper. This study used survey and direct interview to the farmers.   The average of rotten disease incidence on stalk base of pepper from six sampel Villages on the two Subdistrict in South Konawe Regency was 55,66 %, therefore this result include as the criteria of serious attack. The  highest of disease event was found in Lamomea Village with the level of avarage attack was 83 %. Thus, this result was as of very serious attack.  The highest disease incidence was found in Lamomea Village with the level of average attack was 83 %. Thus, this result was as very serious attack. The lowest disease event was found in Cialam Jaya Village with the level of average attack was 24 %, therefore this result classified as light attack. Keywords: disease incidence, rotton disease stalk base of  pepper, Phytophthora capsici, survey
PENGARUH PEMBERIAN BERBAGAI TAKARAN SERASAH TANAMAN UBI KAYU TERHADAP PERTUMBUHAN BIBIT METE DAN KETAHANANNYA TERHADAP SERANGAN HAMA WERENG PUCUK METE (Sanurus indecora) DI PEMBIBITAN Andi Nurmas; Rahayu Mallarangeng; Soleha Mursalim
Jurnal Agroteknos Vol 2, No 3 (2012)
Publisher : Fakultas Pertanian Universitas Halu Oleo

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.56189/ja.v2i3.2275

Abstract

This research was conducted at the New Campus Anduonohu, Kendari from December 2011 to March 2012. The purpose of this study was to determine the effect of various doses of  cassava plant litter  on  the  growth of  cashew seedlings and  resistance to  pest  attack planthopper shoots cashew in the nurseries. The design of the study was Randomized Block Design (RBD) with 4 levels of treatment that were: treatment without cassava plant litter +(U0), the provision of cassava plant litter 40 g polybag-1, equivalent to 10 ton ha-1 (U1), the provision of cassava plant litter 80 g polybag-1, equivalent to 20 ton ha-1 (U2), the provision of cassava plant litter 120 g of polybag-1, equivalent to 30 ton ha-1 (U3) and each treatment was repeated 3 times so that there were 12 experimental units and each treatment used 2 cashew seedlings,therefore overall cashew seedlings used was 24 cashew seedlings. The results showed that administration of various doses of the cassava plant litter showed no significant effect on plant height, leaf number, stem diameter ages 60  and 90 days after planting, leaf area, dashed ratio of plant roots and dry weight and had significant effect on stem diameter age 30 days after planting. The intensity of hopper pests of cashew shoots (Sanurus indecora) obtained the highest treatment without cassava plant litter with the intensity of attacks and the lowest 13,9% obtained in the treatment of 10 ton ha-1, 20 ton ha-1 and 30 ton ha-1 with 2,8% intensity of attacks. Keywords: cassava plant litter, cashew seedlings, and Sanurus indecora.

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