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INDONESIA
JURNAL GALUNG TROPIKA
Published by Universitas Muhammadiyah Parepare
ISSN : 23024178     EISSN : 24076279     DOI : -
Core Subject : Agriculture,
Agriculture, Biological Sciences & Forestry
Jurnal Galung Tropika dengan nomor p-ISSN 2302-4178 (cetak) dan e-ISSN 2407-6279 (online) adalah jurnal ilmiah yang menerbitkan hasil penelitian di bidang Pertanian, Peternakan, Perikanan, dan Biologi Tanaman. Serta menyajikan informasi hasil penelitian dan artikel ilmiah untuk pembangunan pertanian berkelanjutan di Indonesia yang dipublikasikan secara elektronik dan cetak.
Arjuna Subject : -
Articles 435 Documents
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Induksi Kalus Eksplan Daun Stroberi (Fragaria x ananassa Duch) dengan Pemberian NAA dan CaP Secara In Vitro Fauzia Khaerunnisa Millenia; S Sumadi; Erni Suminar; Anne Nuraini; Gina Gustiani Pitaloka
JURNAL GALUNG TROPIKA Vol 11 No 3 (2022)
Publisher : Fapetrik-UMPAR

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.31850/jgt.v11i3.1023

Abstract

The use of high-yielding strawberry varieties such as Sweet Charlie needs to be followed by proper propagation methods to produce large amounts of strawberry seeds quickly and free from disease. In vitro propagation techniques can be done through the formation of a callus. This study aims to determine the effect of the combination of NAA and CaP treatment on the in vitro induction of the Sweet Charlie strawberry variety leaf callus. This experiment was arranged using a completely randomized design (CRD) which consisted of 9 treatments, namely concentrations of NAA (0 mg L-1, 5 mg L-1, 10 mg L-1) and CaP (0 mgL-1, 1 mgL-1, 2mg L-1) which was repeated three times. The results showed that using NAA 5 mgL-1 was the best treatment to support callus induction of the Sweet Charlie strawberry variety in vitro. The supporting with the parameter percentage of callus formation reaching 100%, callus appearance time at 13.5 days after planting (DAP), callus diameter of 9.00 mm, callus weight of 0.52 g, and the percentage of crumbly textured callus was 50%.
SKRINING BAKTERI METANOTROF, PELARUT POSFAT DAN NITROBACTER PADA LAHAN PERTANIAN KOTA SORONG S Sukmawati; P Ponisri; Febrianti Rosalina; Anif Farida; Budi Satria; Ayu Diah Syafaati; N Nuryanto
JURNAL GALUNG TROPIKA Vol 11 No 3 (2022)
Publisher : Fapetrik-UMPAR

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.31850/jgt.v11i3.1049

Abstract

The effects of greenhouse gases on daily life can cause damage to the balance of ecosystems and threaten the survival of living things. One of them is crop failure; food commodities and export products are reduced, causing food shortages and lowering the economic level of the community. The initial objectives of this study were to find or filter methanotrophic, phosphate-solubilizing, and Nitrobacter bacteria on Sorong's agricultural land. The second aim was to determine methanotrophic bacteria's potential, which can also nitrate and solubilize phosphate. The findings of the screening for methanotrophic bacteria, phosphate-solubilizing bacteria, and Nitrobacter bacteria are described in this descriptive study. In addition, isolates of methanotrophic bacteria were confirmed for their ability to decompose phosphate and fix nitrogen. The results of this study were that of the ten samples observed, five samples were detected by methanotrophic bacteria, namely MFa, MFb, MFc, MFd, and MFe samples. Furthermore, phosphate-solubilizing bacteria and Nitrobacter bacteria were found in ten isolated samples. The second conclusion, from five isolates of methanotrophic bacteria, has the potential to decompose or utilize phosphate as an energy source. Meanwhile, of the five isolates, only three isolates could utilize nitrogen as an energy source, namely isolates with MFa code, MFd isolates, and MFe isolates.
ANALISIS PENDAPATAN DAN PENGEMBANGAN PRODUK COKELAT MILK PADA UMKM CV XY DI KOTA MAKASSAR N Nuraeni; St Sabahannur; N Nurliani; Andi Azrarul Amri
JURNAL GALUNG TROPIKA Vol 11 No 3 (2022)
Publisher : Fapetrik-UMPAR

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.31850/jgt.v11i3.903

Abstract

The research aims to analyze chocolate milk's income and product development at CV XY UMKM in Makassar City. The method used in this research is the case study method so that all leaders and employees are taken as respondents. Data collection consisted of observations and interviews with the management and employees of CV XY Business to collect primary data. Data analysis comprised organoleptic tests, financial analysis, production cost analysis, income analysis, B/C ratio analysis, and BEP analysis. The results showed that the level of acceptance of the color of milk chocolate reached 47.5% (liked it), 42.5% (liked it for texture), 30.0% for its taste (liked it very much), and 45.0% for its aroma (liked it). CV XY has produced three types of chocolate products, namely Assorted Flavor Chocolate (jar packaging and mica packaging) and chocolate bars, with a total revenue per month of IDR 32,800,000 each, with a total cost of IDR 26,292,506 and revenue of IDR 6,507,494. Chocolate milk, a development product, requires a total cost of Rp. 2,375,000.-. This amount produces 75 milk chocolate products with a net weight of 100 grams and a price of IDR 31,680/100 g. BEP value of each product per unit and BEP rupiah. Assorted-flavored chocolate in jar packaging has a BEP value of 168 units and IDR 8,416,731. Assorted-flavored chocolate with mica packaging has a BEP value of 168 units and IDR 8,398,108. As the chocolate bar has a BEP value of 45 or IDR 1,561,887, it can be said that CV XY has produced above the Break Even Point value. For product development, namely chocolate milk, CV. For XY to reach the break-even point, it must produce and sell at least 60 units of chocolate milk products or obtain sales proceeds of IDR 4,227,700.-
Effect of Feeding Frequency on Finisher Phase Broiler Performance and Production Soraya Faradila; N Nuraeni; Aryanto Ghuta; Fajar Al’fiqram
JURNAL GALUNG TROPIKA Vol 11 No 3 (2022)
Publisher : Fapetrik-UMPAR

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.31850/jgt.v11i3.1025

Abstract

This study aims to determine the effect of the feeding frequency on the performance and production of finisher phase broilers. The study used a completely randomized design (CRD) with 4 treatments and 4 replications. Each cage consisted of 5 chickens, so 80 chickens aged 22 days were used and maintained for 2 weeks. Treatments included giving once (at 17.00), twice (at 07.00 and 19.00), three times (at 07.00, 15.00, and 23.00), and four times (at 05.00, 11.00, 17.00, 23.00). Parameters measured were consumption performance, weight gain, feed conversion, and broiler production which consisted of carcass percentage and abdominal fat. The results showed that the feeding frequency on broiler performance and production had no significant effect (P> 0.05). Feeding once is the best treatment with efficiency based on time and effort.
UJI CEPAT TETRAZOLIUM DAN RADICLE EMERGENCE (RE) TERHADAP DAYA BERKECAMBAH PADA VARIETAS BENIH JAGUNG (Zea mays L) Aprilidia Rumintang Rajagukguk; Khairunnisa Lubis; Revandy Iskandar Damanik
JURNAL GALUNG TROPIKA Vol 11 No 3 (2022)
Publisher : Fapetrik-UMPAR

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.31850/jgt.v11i3.1070

Abstract

Fast and applicable seed quality testing methods are needed to support the availability of quality seeds that can be distributed. The Tetrazolium Rapid Test Method is a rapid test method that is currently being implemented in Seed Quality Testing Laboratories. Meanwhile, the Radicle Emergence/RE Rapid Test method is currently being developed to accelerate the supply of quality seeds. This research aims to determine a more precise, efficient, and efficient method. Accurate in predicting corn seed germination in the laboratory and field. This research was carried out in the laboratory using a completely randomized design and in the field using a one-factor randomized block design, namely varieties in the form of ten varieties of corn (Sukmaraga, Srikandi Ungu, Srikandi Kuning, Pulut Uri, Lamuru, Bisi 18, Bisi 2, P32, P35, and Betras 1). The results showed that the Tetrazolium Rapid Test and the RE Rapid Test had a very close correlation in estimating the value of Seed Germination in the Laboratory and the Field. Both methods can be used as Rapid Test methods in Seed Quality Testing laboratories. However, the RE Rapid Test is more economical and practical.
Pengaruh Dosis Molase dan Probiotik Lactobacillus Sp. terhadap Laju Pertumbuhan dan Kelangsungan Hidup Benih Ikan Nila (Oreochromis niloticus) Mirna, M; Tahir, Rahmawati
Jurnal Galung Tropika Vol 12 No 1 (2023)
Publisher : Fakultas Pertanian, Peternakan dan Perikanan Universitas Muhammadiyah Parepare

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.31850/jgt.v12i1.940

Abstract

This present study investigates the combination of probiotic Lactobacillus sp. and molasses applied to promote growth performance and survival of Nile Tilapia seed. Probiotic could act as an additive agent for fish seed with incomplete digestive organ development as it produces the digestion-support enzyme. The experiment was set based on the formalized fish feed, consisting of A (no molasses and probiotic provision), B (2 r/L molasses), C (108 cfu/mL probiotic), D (108 cfu/mL probiotic + 4 r/L molasses), E (1010 cfu/mL probiotic + 2 r/L molasses) and applied in three replicates each. Fish were reared in cone bottom tanks and were fed according to the treatment (2 times a day in 3 weeks). The growth and survival rate data were collected during the experiment and were analyzed using ANOVA (analysis of variance). The results indicate significant growth and survival of Nile Tilapia seed (P<0,05) generated by the enhancement of probiotics and molasses into fish feed with formalized 1010 cfu/mL probiotic + 2 r/L molasses.
Respon Imun Larva Udang Vanamei (Litopenaeus vannamei) dengan Bioenkapsulasi Vitamin C pada Artemia salina Ardiansyah, A; Rahmatia, R; Amrullah, A
Jurnal Galung Tropika Vol 12 No 1 (2023)
Publisher : Fakultas Pertanian, Peternakan dan Perikanan Universitas Muhammadiyah Parepare

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.31850/jgt.v12i1.990

Abstract

The low quality of vannamei shrimp seeds during larval rearing causes vannamei shrimp seeds to be more susceptible to disease, thus affecting production success. This situation can be overcome by increasing the immune response of vanamei larvae through the administration of vitamin C. This study aims to evaluate the effectiveness of Artemia salina bio encapsulation with vitamin C to increase immunity against vibriosis disease of vannamei shrimp larvae. The treatment tried was the addition of vitamin C through A. salina bio encapsulation with four different doses, 20, 30, 40, and 50 ppm as well as control (without vitamin C), each with three replicates using a Completely Randomized Design (CRD). Vaname shrimp seeds were reared from Mysis-PL11 stadia in 50-liter capacity crates, 40-liter volume of media water with a density of 40 fish/liter, then checked Total hemocyte count (THC), Differential hemocyte count (DHC) before and after the challenge test was carried out by using Vibrio harveyii bacteria. The results showed that the effectiveness of the immunostimulant vitamin C through A. salina bio encapsulation to prevent vibriosis had a significant effect on the immune system of Mysis-PL11 stadia vannamei shrimp larvae with the highest THC value of 41 x 104 cells/mm, DHC (66.67% hyaline, 27 .67% semi-granular, 67.67% granular) in the treatment with the addition of 50 ppm vitamin C.
INTENSITAS SERANGAN HAMA ULAT GRAYAK SPODOPTERA FRUGIPERDA PADA TANAMAN JAGUNG DI KABUPATEN TAKALAR Noerfitryani, N; Anwar, Andi Rahayu; Hamzah, H; Syamsia, S; Sampara, S
Jurnal Galung Tropika Vol 12 No 1 (2023)
Publisher : Fakultas Pertanian, Peternakan dan Perikanan Universitas Muhammadiyah Parepare

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.31850/jgt.v12i1.1067

Abstract

Spodoptera frugiperda is an invasive insect and includes a highly polyphagous insect that can attack various types of plants. Armyworm attacks can be a severe threat to corn farmers. It can cause significant yield loss. This study aims to determine the attack intensity and distribution of the S. frugiperda armyworm in several sub-districts on several varieties of maize in Takalar Regency, South Sulawesi, as the first step in determining an appropriate control strategy. The results showed that from the five sub-districts where the observations were made, there were symptoms of S. frugiperda attack, namely in the sub-districts of South Polongbangkeng, North Polongbangkeng, Sanrobone, South Galesong, and Pattallassang. The highest attack intensity was around 97.33% of 4 weeks in Pallantikang Village, Pattallassang District. The lowest attack intensity, namely 46.44% of 3 weeks, was found in Kadatong Village, South Galesong District.
The Potential of Endophite Fungus as Control of Bacterial Leaf Blight Disease in Rice Syamsia, S
Jurnal Galung Tropika Vol 12 No 1 (2023)
Publisher : Fakultas Pertanian, Peternakan dan Perikanan Universitas Muhammadiyah Parepare

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.31850/jgt.v12i1.1100

Abstract

Endophytic fungi have the potential as biocontrol agents against bacterial leaf blight caused by a Xanthomonas oryzae pv Oryzae to support environmentally friendly agriculture. This study aims to select endophytic fungal isolates that have the potential as biocontrol agents against bacterial leaf blight. This research was divided into 3 stages: 1) isolation and rejuvenation of endophytic fungi isolate; 2) antagonistic test of endophytic fungi isolates against Xoo bacteria in vitro; 3) in vivo test of endophytic fungi isolates which are antagonistic in rice plants. As many as 16 isolates of endophytic fungi were isolated and rejuvenated, 6 isolates of endophytic fungi were antagonistic in vitro tests, the application of endophytic fungi isolates on rice plants was able to increase the resistance of rice plant highly susceptible, susceptible, moderately susceptible to moderately resistant, moderately susceptible and susceptible.
VALUASI EKONOMI EKOSISTEM LAHAN SAWAH DI DESA MONCOBALANG KECAMATAN BAROMBONG KABUPATEN GOWA Anwar, Asriyani; Sribianti, Irma; Saleh, Syafiuddin
Jurnal Galung Tropika Vol 12 No 1 (2023)
Publisher : Fakultas Pertanian, Peternakan dan Perikanan Universitas Muhammadiyah Parepare

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.31850/jgt.v12i1.938

Abstract

This study aims to identify the economic benefits of paddy field ecosystems and analyze the value of the economic benefits of paddy field ecosystems in Moncobalang Village, Barombong District, Gowa Regency. The sampling method used a purposive technique, namely deliberately selecting respondents whose livelihoods were 83 farmers. Data was collected through interviews with respondents using a questionnaire. The method used to analyze the value of the economic benefits of the paddy field ecosystem uses an economic valuation method with a market price approach and the price of substitute goods. The calculated economic benefit value of the paddy field ecosystem is the direct benefit value, the indirect benefit value, the optional benefit value, and the existence benefit value. The results showed the economic benefit value of the paddy field ecosystem obtained, namely the direct benefit value consisting of the value of rice production and the production value of horticultural crops. The indirect benefit value was calculated from the value of agricultural waste products, as well as the optional benefit value calculated from the value of the paddy field ecosystem as a carbon sink and oxygen producer and the benefit value of the existence of paddy fields. The total value of the economic benefits of the paddy field ecosystem is IDR 8,813,171,208/ha/year, which consists of a direct benefit value of IDR 8,143,127,013/ha/year, the indirect benefit value is IDR 121,375,000/ha/year, the value of the optional benefits is IDR 416,369,190/ha/year, and the existence benefit value is IDR 132,300,000/ha/year.

Page 33 of 44 | Total Record : 435

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