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INDONESIA
Jurnal Agroteknos
Published by Universitas Halu Oleo
ISSN : 20877706     EISSN : 25274074     DOI : -
Core Subject : Agriculture,
Arjuna Subject : -
Articles 6 Documents
Search results for , issue "Vol 12, No 2 (2022)" : 6 Documents clear
UJI POTENSI DAN MEKANISME ANTAGONIS BAKTERI ENDOFIT ASAL TUMBUHAN LIAR SEBAGAI AGENS HAYATI PENGENDALIAN Fusarium oxysporum SECARA IN-VITRO RAHIMI, ANDI SITTI; KHAERUNI, ANDI; BANDE, LA ODE SANTIAJI; ARIYANTI, EKA LESTARI; SATRAH, VIT NERU; ASNIAH, ASNIAH
Jurnal Agroteknos Vol 12, No 2 (2022)
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This research motivated by the Fusarium oxysporum which is a soil borne fungus that can infect cultivated plants. F. oxysporum is a facultative parasite that is part of its life as a saprophyte and becomes a parasite if there is a host plant. This study aims to determine the potential of endophytic bacteria from wild plants as biological agents control of F. oxysporum in-vitro. This research was conducted at the Laboratory of Plant Protection, Phytophatology Unit, Faculty of Agriculture, Halu Oleo University from September 2020 to March 2021. The results showed that endophytic bacteria isolated from wild plants such as as Jamaica cherry/kersen (Muntingia calabura), Suruhan (Paperomia pellucida), and Markisa Hutan/Rambusa (Passiflora foetida) have the potential as biological agents to control F. oxysporum in vitro, with the two best isolates, namely ASR-7(3) and BK-3(2) which were to inhibit the growth of F. oxysporum through the mechanism of antibiosis and competition, produced enzyme bioactive compounds (amylase and protease) which degrade of pathogenic fungi, and are able to produce volatile compounds.
PENGARUH KONSENTRASI PUPUK ORGANIK CAIR (POC) KULIT BAWANG MERAH TERHADAP PERTUMBUHAN TANAMAN KEMBANG KOL (Brassica oleracea var. botrytis) HIDAYAH, NUR; RAKIAN, TRESJIA CORINA; AFA, LA ODE
Jurnal Agroteknos Vol 12, No 2 (2022)
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Cauliflower is a vegetable plant of the Brassicaceae family that has high economic value. Increased production requires the right input of cultivation technology. Shallot skin can be used as a liquid organic fertilizer that can increase plant growth. The purpose of the research is to determine the effect of concentrations of liquid organic fertilizer on shallot skin on the growth of cauliflower. This research was conducted from December 2021 to February 2022, at the research area of Agriculture Faculty, Halu Oleo University, Kendari. The research design used was a randomized block design with fourth treatments, concentrations of liquid organic fertilizer i.e. P0 = without liquid organic fertilizer (control), P1 = 20 ml L-1, P2 = 40 ml L-1, P3 = 60 ml L-1. The analysis of data on plant height, leaf number, and dry weight of plant, using ANOVA, if the analysis results are significant (Fhit> Ftab) then continue with DMRT test on α=0.05. The results showed that the concentrations of liquid organic fertilizer on shallot skin significance on plant height, leaf number, and dry weight of plant. The concentration of liquid organic fertilizer on shallot skin, 40 ml L-1 can improve the plant growth of cauliflower.
ANALISIS MORFOLOGI JAMBU METE (Anacardium occidentale L.) BERDASARKAN KARAKTER VEGETATIF DI TIGA KABUPATEN SULAWESI TENGGARA NAWIR, NAWIR; BOER, DIRVAMENA; LAREKENG, SITI HALIMAH; SUAIB, SUAIB; HADINI, HAMIRUL; HISEIN, WAODE SITI ANIMA; ARSYAD, MIRZA ARSIATY
Jurnal Agroteknos Vol 12, No 2 (2022)
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Cashew is a promising plant in Southeast Sulawesi due to its reasonably high economic value. This species has been cultivated for years in Southeast Sulawesi, particularly in South Konawe, Konawe, and East Kolaka, with 20 to 30-years-old average plant age. This research aimed to identify morphological variations at the vegetative stage of the cashew in three evaluated Southeast Sulawesi populations (South Konawe, Konawe, and East Kolaka). The descriptive observations were carried out on the leaf apex shape, leaf shape, leaf margin, leaf venation, the color of young and mature leaves, branching pattern, tree habit, ease of peeling bark from the twig, leaf texture, as well as leaf aroma. We indicated the morphological variations in the evaluated cashew. The variations were observed in leaf shape (obovate, oblong, and circular), leaf apex shape (pointed, rounded, and indented), leaf venation (curved up, curved down, and flat), branching pattern (intensive and extensive), tree habit (upright and open, upright and compact, spreading), ease of peeling bark from twigs (difficult and easy), leaf texture (smooth and rough), and aroma (mango-like and guava-like).
APLIKASI EKOENZIM PADA TANAMAN BUAH NAGA (Hylocereus undatus) UNTUK MENGENDALIKAN HAMA SEMUT API (Solenopsis invicta) SUSLINGSIH, SRI ELSA; RAHMAN, ABDUL; YUSWANA, AGUNG; RAHAYU M, RAHAYU; HISEIN, WAODE SITI ANIMA; PAKKI, TERRY; HASAN, ASMAR; BOTEK, MUHAMMAD
Jurnal Agroteknos Vol 12, No 2 (2022)
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Dragon fruit (Hylocereus undatus) is one type of cactus plant that has favorable prospects to be developed economically and in accordance with tropical climates such as Indonesia. This plant does not escape from the disturbance of pests and plant disease organisms. The fire ant (Solenopsis invicta) is one of pests that cause damage during flowering and fruiting. This study aims to determine the concentration of an effective eco-enzyme solution to control fire ant pests on dragon fruit plants. This study used a completely randomized design consisting of three treatments, namely the concentration of the eco-enzyme solution 0 mL/L water (P0), the eco-enzyme solution concentration 0.5 mL/L water (P1) and the concentration of the eco-enzyme solution 1 mL/L water (P2). The variables observed were mortality and intensity of fire ant attacks on dragon fruit plants every day after application for seven days. The results showed that eco-enzyme solution concentration of 0.5 mL/L water was effective in killing fire ant pests and reducing the intensity of fire ant damage on dragon fruit plants.
EVALUASI KESESUAIAN LAHAN UNTUK TANAMAN KELENGKENG (Euphoria longan L.) DI KECAMATAN LASALIMU KABUPATEN BUTON NURFAUZI, FIRDA; ZULFIKAR, ZULFIKAR; HEMON, M. TUFAILA; SYAF, HASBULLAH; NAMRIAH, NAMRIAH; ALAM, SYAMSU
Jurnal Agroteknos Vol 12, No 2 (2022)
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This study aims to determine the land suitability class and efforts to manage the limiting factors that exist on land in Lasalimu District, Buton Regency. The method used is an independent survey by taking soil samples in each land unit (LU) for analysis in the laboratory. The results showed that the longan plant was quite suitable (S2) to be developed at LU 25 and 27 with a land area of 65.69 ha (0.95%), marginally suitable (S3) at LU 1-3, 5, 8-14, and LU 23 with a land area is 1,828.10 ha (26.50%), and is not suitable (N) at LU 4, 6, 7, 15- 22, 24, and LU 26 with a land area of 5,004.71 (72.55%). Potentially if efforts are made to manage the limiting factors for the development of longan plants, the suitability class becomes quite suitable (S2) at LU 3, 5, 8-14, 23, 25 and LU 27 with a land area of 1,207.54 (17.49%), marginally suitable (S3) on LU 1, 2, 4, 15, 17, 19- 22, 24 and LU 26 with a land area of 4,787.76 (69.29%) and not suitable (N) on LU 6, 7, 16, and LU 18. Management actions that need to be taken for limiting factors of nutrient availability are fertilization, nutrient retention by liming and adding organic matter, erosion hazard with conservation efforts such as planting according to contours, making terraces and planting cover crops, while for limiting factors such as air temperature, soil depth, slope, surface rocks and rock outcrops cannot be repaired because the limiting factor is permanent
PENGARUH PEMBERIAN DOSIS PUPUK KANDANG SAPI TERHADAP PERTUMBUHAN DAN HASIL TANAMAN BAWANG MERAH (Allium ascalonicum L.) LOKAL BUTON MENGGUNAKAN MULSA PLASTIK KIMA, MUHAMAD RABIDIN; NURMAS, ANDI; SUBAIR, IMRAN
Jurnal Agroteknos Vol 12, No 2 (2022)
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This study aims to determine the effect of cow manure application on the growth and production of shallots. The research was conducted at the Field Laboratory of Experimental Gardens II, Faculty of Agriculture, Halu Oleo University, Kendari, at an altitude of 25 meters above sea level, from November to January 2022. The study used a one-factor Randomized Block Design (RBD) consisting of seven treatments. B0 (without treatment), B1 (cow manure 12.5 t ha-1), B2 (cow manure 15 t ha-1), B3 (cow manure 17.5 t ha-1), B4 (cow manure 20 t ha-1), B5 (cow manure 20 t ha-1), and B6 (cow manure 25 t ha-1). Each treatment was repeated four times so that there were 28 experimental units. Variables observed were plant height, number of leaves, number of tillers, number of tubers, plant fresh heavy, plant dry weight, tuber fresh heavy and productivity. The results showed that the dose of cow manure on the growth and yield of local Buton shallots had a significant effect on all growth and yield variables of the Buton local shallots. The best treatment was obtained at a dose of cow manure 25 t ha-1 with a plant height of 29.36 cm, number of leaves 15.00 strands, number of tillers 6.00 tillers, number of tubers 7.00, plant fresh heavy 24.62 g, weight dry plant 1.59 g, tuber fresh heavy 166.70, and productivity 1.67 t ha-1.

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