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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 8 Documents
 1 
Search results for , issue "Vol 2, No 1 (2012)" : 8 Documents clear
PEMANFAATAN PENGINDERAAN JAUH DAN SISTEM INFORMASI GEOGRAFIS UNTUK PEMETAAN BENTUK LAHAN DI DAS MORAMO Tufaila, Muh.; Karim, Jufri; Alam, Syamsu
Jurnal Agroteknos Vol 2, No 1 (2012)
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Research on utilization of remote sensing and geographic information system for mapping landforms in the watershed (DAS) Moramo . The research was conducted on Moramo basin, District of Moramo South Konawe . This research was conducted with image processing techniques on the image of ALOS AVNIR-2 and visual interpretation was based on analytic approach with the help of Geographic Information Systems for on screen digitizing . The research result obtained 15 (fifteen ) units of landforms, namely: Alluvial plain (F1), Alluvial Plain-Koluvial (F1.1), Flood Plain (F7), Alluvial Plain Briny Beach ( M11), Structural Terdenudasi Eroded hills Strong (D1/4), Structural Terdenudasi Eroded Hills Moderate (D1/3), Eroded Hills Terdenudasi Structural Lightweight (D1/2) , Eroded Hills Isolated Strong (D4/4), Barely Plain (peneplain) Eroded Very Lightweight (D5/1), Slope Leg Eroded hills Structural Terdenudasi Strong (D7/4), Slope Foot hills Eroded Structural Terdenudasi Medium (D7/3), Slope Foot hills Terdenudasi Eroded Structural Lightweight (D7/2), Piedmont Eroded Lightweight (D9/2), Piedmont Eroded Very Light (D9/1) and the hills Dome (Dome) Eroded Strong (S11/4). Based on their genesis, they were grouped into four landforms : marine origin, the origin of fluvial landforms, landforms denudasional origin, and the origin of structural landforms. Accuracy of landform interpretation was 89,06 % and processing of the composite image 341 had an excellent capability to identify the location of landforms in the study area of watershed Moramo. Keyword : remote sensing, GIS, watershed, image processing, landform mapping
KARAKTERISASI MORFOLOGI KETAHANAN KEKERINGAN PLASMA NUTFAH PADI GOGO LOKAL ASAL SULAWESI TENGGARA Sadimantara, Gusti Ray; Muhidin, Muhidin
Jurnal Agroteknos Vol 2, No 1 (2012)
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Efforts to increase rice production to achieve sustainable production faced a serious challenge. Rice demand is increasing due to population growth, changing consumption patterns of non-rice to rice, and the improvement of the local economy. On the other hand the national rice production is more limited. One alternative way to secure national rice production is through development of sub-optimal land, in the form of dry land, for upland rice cultivation. Potency of dry land for upland rice is big enough though constrained by such factors of soil fertility, rainfall and the presence of blast attacks. Test for drought stress was conducted using the Standard Evaluation System (SES) for Rice developed by the International Rice Researh Institute (IRRI). The results of the study on 24 local upland rice cultivars, based on the degrees of curl leaf and shoot dry index, it was known that there were two varieties that are very resistant to drought stress, i.e. cultivar Sala Bali and cultivar Wangkariri, and as many as six cultivars i.e. Paebiu Kolopua, Paebiu Tamalaki, Wangko'ito, and Wa Mengkale that were resistant to drought. Keyword: drought resistant, germplasm, upland rice
ISOLASI Bacillus thuringiensis BERL. DARI TANAH DAN PATOGENISITASNYA TERHADAP LARVA Crocidolomia binotalis ZELL. PADA TANAMAN SAWI (Brassica juncea L.) Khaeruni, Andi; Rahayu, M; Purnamaningrum, Nenden Teja
Jurnal Agroteknos Vol 2, No 1 (2012)
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The aim of this research was to know the pathogenicity of B. thuringiensis against larvae of   C. binotalis Zell on Caisin Plant. The B. thuringiensis isolates were isolated using serial dilution technique, from soil samples that were taken from some locations in Southeast Sulawesi. Pathogenicity test on larvae III of C. binotalis was done using bioassay method. Mortality value was used to know the virulence level of  B. thuringiensis at 7 days after application. The result showed that there were 37 soil samples containing B. thuringiensis and the number of B. thuringiensis isolates were 65. isolates KU-ST7, MN-ST4, KNW-ST8, KLK- ST5,KLK-ST4 and KU-ST4 had the highest pathogenicity and virulence levels, because they had the highest efffect on C. binotalis larvae mortalities, i.e: 100%, with  LT50  value of 2-4  days after application. Key word : Bacillus thuringiensis Berl., bioassay test. Crocidolomia binotalis Zell.,
RESPON HASIL DAN JUMLAH BIJI BUAH SEMANGKA (Citrullus vulgaris) DENGAN APLIKASI HORMON GIBERELIN (GA3) Wijayanto, Teguh; Yani, Wa Ode Rahzia; Arsana, Made Widana
Jurnal Agroteknos Vol 2, No 1 (2012)
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Hormone gibberellin (GA3) is known to be able to increase yield and plays a role in the production of seedless fruits. This research was conducted to determine the effects of GA3 application on yield and quality (seed number) of watermelon. The research was performed at the experimental farm of Agriculture Faculty, University of Halu Oleo.  The research was arranged in a Complete Randomized Design (CRD) with a single factor (dose of GA3), consisted of 6 (six) levels, namely:  without GA3 application (G0), GA3 100 mg L-1 (G1),  GA3 150 mg L-1 (G2),  GA3 200 mg L-1 (G3),  GA3 250 mg L-1 (G4), and GA3 300 mg L-1  (G5).  Each treatment consisted of 4 (four) plants, with 3 replicates, to make an averall 72 experimental units (plants).   Research results showed that the application of GA3 significantly influenced the fresh fruit weight, fruit diameter, fuit content diameter, and seed number.   Treatment of gibberellin 300 mg L-1 (G5) tended to produce higher yield (fresh fruit weight, fruit diameter, fuit content diameter), while G4 treatment (250 mg L-1) resulted in the lowest number of seeds in the fruit.   Despite further research is still needed, this research indicates that the application of gibberellins (GA3) has the potency in increasing the yield of watermelon and improving the quality, in term of the possibility to produce seedless watermelon. Keywords: gibberellins (GA3), fruit yield and quality, seedless fruit, watermelon.
PENGGUNAAN PUPUK KANDANG TERHADAP EFEKTIFITAS Trichoderma viride UNTUK MENGENDALIKAN PENYAKIT LAYU FUSARIUM PADA TANAMAN TOMAT Asniah, Asniah; Khaeruni, Andi; Anwar, Hasniar
Jurnal Agroteknos Vol 2, No 1 (2012)
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Fusarium oxysporum is one of the important pathogens that causes disease in many crops, especially horticulture crops, one of which causes Fusarium wilt disease in tomato plants . The purpose of this study was to evaluate the use of manure on the effectiveness of Trichoderma viride to control fusarium wilt disease on tomato plants. Manure used was cow and chicken manure, applied before and after planting. The research design was completely randomized design (CRD) with 9 (nine) treatment and 3 replicates. The treatments were without the application of manure and T. viride (A) , without manure but with T . viride before planting (B), without manure but  with T. viride applied after planting (C), chicken manure without T. viride (D), chicken manure and T. viride application before planting (E), chicken manure and T. viride application after planting (F), cow manure without T. viride (G), cow manure and T. viride application before planting (H), cow manure and application of T. viride after planting (I). The results showed that chicken manure and T. viride application before planting were effective in reducing the incidence and severity of Fusarium wilt disease on tomato plants. The incidence and severity of disease was at 20 % and 26.67 % , respectively. Keyword: manure, tomato plants, Trichoderma viride 
UJI KONSENTRASI CAIRAN PERASAN DAUN KENIKIR(Tagetes patula Juss) TERHADAP MORTALITAS ULAT PENGGULUNG DAUN (Lamprosema indica ) PADA TANAMAN UBI JALAR Rahayu, M; Pakki, Terry; Saputri, Ramlia
Jurnal Agroteknos Vol 2, No 1 (2012)
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This experiment was conducted at the Plant Pest and Disease Laboratory, taking place in October 2011 to Januari 2012. This research compiled based on completely randomized design (RAL) with 5 (five) treatments and 3 treatment.   The treatment were control (P0), dilution of juice of leaf kenikir 10 mL/ water litre (P1), dilution of juice of leaf kenikir 15 mL/ litre (P2) dilution of juice of leaf kenikir 20 mL/ litre (P3), dilution of juice of leaf kenikir 25 mL/litre (P4), therefore were 15 treatment units. Parameter observed was insect mortality, observed at 12, 24, 36, and 48 hours after application (JSA). Research results indicated that highest average of leaf winder caterpillar mortality (Lamprosema indica) was at treatment P4 (dilution of juice of leaf kenikir 25 mL/ litre), equal to 63,33 % at observation of 36 JSA. Keyword: kenikir’s leaf, mortality, Lamprosema indica, sweet potato
PENGARUH RESIDU BAHAN ORGANIK TERHADAP PERTUMBUHAN DAN PRODUKSI TANAMAN KACANG PANJANG (Vigna sinensis L.) Safuan, La Ode; Buludin, Buludin; Suliartini, Ni Wayan Sri
Jurnal Agroteknos Vol 2, No 1 (2012)
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ABSTRACT The aim of the research was to study the effect of organic matter residue on the growth and production of long bean. This research was conducted at the Rahandouna Subdistrict, Kendari District, Southeast Sulawesi Province from March to June 2010. The research was prepared in randomized block design consisted of four levels: without organic matter (B0), residue of organic matter application at 5 ton ha-1 (B1), residue of organic matter application at 10 ton ha-1 (B2), and residue of organic matter application 15 ton ha-1 (B3). The variables observed were plant height, leaf number, leaf area, pod length, pod number, dan  pod fresh weight. Analysis of variance (ANOVA) was used to analyze statistical data. Duncan's Multiple Range Test (DMRT) was applied to determine the significant difference among treatments at 95%   confident level. The results of the research showed that, (1) The Residue of organic matter15 ton ha-1 partially had an effect on leaf area, leaf number, plant height, pod length, pod fresh weight., (2) The Residue of organic matter 15 ton ha-1  partially had an effect on increased pod length, pod number, and pod fresh weight of long bean. Key Words : Effect, Residual, Organic Matter
PENGELOMPOKAN PATOTIPE Xanthomonas oryzae pv. oryzae ASAL SULAWESI TENGGARA MENGGUNAKAN PADI GALUR ISOGENIK IRRI Syair, H; Samirin, Samirin; Wijayanto, Teguh; Khaeruni, Andi
Jurnal Agroteknos Vol 2, No 1 (2012)
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This Research aimed at grouping of Xanthomonas oryzae pv. oryzae pathotypes in rice cropping center of Southeast Sulawesi using isogenic lines of IRRI, as well as to know the Xanthomonas oryzae pv. oryzae pathotypes dominating and spreading in rice cropping center of Southeast Sulawesi. The pathotype grouping was determined by leaf innoculated cutting method using 30 isolates of Xanthomonas oryzae pv. oryzae from Southeast Sulawesi in 10 isogenic lines, namely IRBB1, IRBB2, IRBB3, IRBB4, IRBB5, IRBB7, IRBB10, IRBB11, IRBB13, and IRBB21. Each isolate was inoculated on the 10 isogenic lines and repeated twice. Observation  of disease intensity was conducted randomly on five leaves at four weeks after inoculation. The disease intensity was measured by the ratio of the length (cm) of leaf blight symptom to total the length of leaf sample (cm). The research results indicated there were seven pathotypes of Xanthomonas oryzae pv. oryzae in Southeast Sulawesi, i.e : pathotype X, XI, XII and four new pathotypes. Pathotype XII was the dominant pathotype, abort 79.31% of the total isolates and spreading in three regencies, Kolaka, Konawe, and South Konawe. Keywords: bacterial leaf blight, Xanthomonas oryzae pv. oryzae, pathotype

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