Jurnal Pendidikan Teknologi Pertanian

Pengaruh Penggunaan Ekstrak Kasar (Daun Cengkeh, Batang Serai dan Daun Kemangi) sebagai Salah Satu Teknik Imoltilisasi Benih Ikan Mas (Cyprinus carpio) pada Transportasi Basah

mutmainnah mutmainnah — 2024-02-28

This study aims to analyze the effect of using crude extracts (clove leaves, lemongrass stems and basil leaves) in the immoltilization process of carp seeds in wet transportation. The research method used was a completely randomized design (CRD) with 4 tretments and 3 replication for each treatment. The variables observed in this study were fish induction time, fish sedative time, survival and water quality parameters (temperature, DO and pH). Data were processed using the SPSS program with Analysis (ANOVA) and Kruskal-Wallis. The results showed that the administration of crude extracts (clove leaves, lemongrass stems and basil leaves) had a significant effect on the process of immoltilization of carp seeds on wet transportation with the best treatment of basil crude extracts with 87% survival rate optimal induction time of less than 3 minutes (152 seconds) and optimal sedative time of less than 5 minutes (272 seconds).

Pengaruh Pemberian Ekstrak Daun Kelor (Moringa oleifera) untuk Menghambat Infeksi Bakteri Aeromonas hydrophila pada Ikan Nila (Oreochrromis niloticus)

Nani Anisa — 2024-02-28

This study aims to analyze the effect of administration and concentration of using moringa leaf extract on Aeromonas hydrophila bacterial infection in tilapia (Oreochromis niloticus). The benefit of this study is to provide information that the use of moringa leaf extract as an inhibitor of Aeromonas hydrophila bacterial infection in tilapia. The research method used was a completely randomized design with 4 treatments and 3 repetitions for each treatment, as for the treatment used namely the use of moringa leaf extract 0 mg/l (K), 50 mg/l (A), 65 mg/l (B) dan 80 mg/l (C). The variables observed in this study were fish behavior, fish morphology, fish gills, fish survival, and water quality parameters (temperature, pH, DO and ammonia). Data was processed using the SPSS program with the Kruskal-Wallis H analysis technique and then the PostHoc test was carried out. The results showed that the administration of moringa leaf extract had an effect on tilapia in inhibiting Aeromonas hydrophila bacterial infection in tilapia where the best use of the extract was 80 mg/l (C) with changes in anatomy, morphology and behavior of fish which were getting better after administration of the extract.

Karakterisasi Enzim Amilase Dari Isolat Khamir Hasil Fermentasi Biji Kopi Robusta (Coffea canephora)

Indah Permata Sari — 2024-02-28

This study aims to determine isolate yeast spontaneously fermented Robusta coffee beans which are amylolytic and to determine the effect of incubation time, optimum pH and temperature on amylase activity. This study used RAL (Completely Randomized Design). The yeast isolates used were selected using 1% starch + 2% agar media to determine their amylolytic abilities. The isolate that produces the highest clear zone will proceed to the optimum incubation time determination stage which is divided into 6 levels, namely 24, 48, 72, 96, 120 and 144 hours with 3 repetitions. Every 24 hours the total yeast count was carried out. The optimum incubation time is used as one of the conditions in the characterization of the optimum pH and temperature of the amylase enzyme. The selected samples were then characterized at pH (4,5,6,7 and 8) and at temperature (30℃, 40℃, 50℃ and 60℃) to determine the optimum pH and temperature. The data analysis technique used was analysis of variance (ANOVA) followed by Duncan's test using SPSS Version 22. The results of this study indicated that 4 of the 7 yeast isolates involved in the spontaneous fermentation of Robusta coffee beans had amylolytic properties, namely isolates K24I3, K24I4, K24I6 and K24I7. The selection results showed that the yeast isolate K24I6 produced the highest clear zone with a diameter of 7.83 mm. The optimum incubation time for amylase enzyme from yeast isolate K24I6 was 24 hours with enzyme activity of 19.91 U/ml. The optimum yeast isolate amylase enzyme at pH 6 is 20.00 U/ml and the optimum temperature is 40℃ with enzyme activity of 19.98 U/ml.

Pengaruh Tanaman Sela terhadap Pertumbuhan Tanaman Cabai Rawit (Capsicum frutescens L.)

Novita Cristine Kendek — 2024-02-28

Cayenne pepper is a food ingredient that is liked by almost all people, including the people of Jeneponto. However, cayenne pepper production in 2021 will decline, one of the contributing factors is plant-disturbing organisms. The system that can be utilized is the organic farming system, one of the organic farming systems currently being developed is the companion planting system which is considered capable of increasing crop productivity. The aim of this study was to analyze the growth and yield of cayenne pepper (Capsicum frutescens L) with the sweet corn (Zea Mays L) companion planting system. The study was designed according to a completely randomized design with three treatments and three replications. The first treatment was cayenne pepper as a control (A), cayenne pepper and sweet corn or companion planting (B), and sweet corn as a control (C). The research was carried out for 56 WAP for cayenne pepper and for sweet corn it was carried out for 70 WAP. The observed variables were plant growth (plant height, cayenne pepper stem diameter, number of fruit, and fresh weight). From the results of the study it can be concluded that the use of companion planting systems can be utilized as a cropping system in the growth and increase in the production of cayenne pepper plants.

Produktivitas Penangkapan Ikan Menggunakan Purse Seine Berdasarkan Perubahan Fase Bulan Di Kabupaten Bulukumba

Siti Adinda Dihar Indahwati Caronge — 2024-02-28

Purse seine productivity is related to the ability of fishing gear to catch fish that are clustered in the waters and the distribution of pelagic fish in the waters depends on changes in the moon phases that occur. Thus, this research aims to determine the productivity of fishing using purse seines based on changes in lunar phases in Bulukumba Regency. This research was conducted in Bulukumba Regency from July to September 2020. Data was collected by participating in 28 direct fishing trips. The research data used is primary data, namely the type and number of catches grouped based on lunar phases, namely dark, dark to light, light and light to dark periods. Secondary data used are the results of interviews with fishermen and literature studies. The research results showed that there were eight types of fish species caught during the research (scad, mackerel, yellowstripe trevally, frigate tuna, pinkear emperor, barred garfish, rainbow runner, and squid). The three dominant fish caught in each lunar phase were scad (Decapterus spp) with a total of 2.582 kgs, mackerel (Rastrelliger sp) total 1.651 kgs, and yellowstripe trevally (Selaroides sp) total 1.476 kgs. The highest productivity occurred in the second haul during the dark moon period at 0.64 kg/minute and there were no real differences in catch based on moon phase.

Kajian Tepung Jagung yang Dipragelatinisasi Dilanjutkan Fermentasi Terhadap Kadar Glukosa Darah Mencit Yang Diinduksi Aloksan

Rizky Indah Pratiwi — 2024-02-28

This study aims to determine the effect of modified corn flour through the pragelatinization process followed by Lactic Acid Bacteria (LAB) fermentation on lowering blood sugar levels. This study uses a quantitative description method in the form of experiments by comparing the average value of the mice group given the treatment. he first stage involves mice being grouped into 3 groups, each group contains 7 mice, adapted for 14 days, and measuring blood sugar levels before treatment. The second stage is feeding and treatment for 21 days, standard feed without alloxan injection as a negative control, standard feed with alloxan injection as a positive control, and feed containing modified corn flour through the process of pragelatinization and lactic acid fermentation with alloxan injection as a treatment group. The last stage is the measurement of blood sugar levels on the 21st day. The data analysis techniques used in this study were a normality test and a homogeneity test using IBM SPSS Statistics version 25, followed by a quantitative description in the form of experiments by comparing the mean values of the mice groups given treatment. T he results showed that feed containing modified corn flour through pragelatinization and fermentation of lactic acid bacteria had an effect on reducing blood sugar levels in mice. The group of mice that were given feed containing modified corn flour had lower blood sugar levels compared to the group of mice given standard feed (positive control), obtained at 127 mg/dl with a resulting mice body weight of 23.06 g, and feed consumption of 13.66 g.

Pengembangan Video Pembelajaran pada Mata Pelajaran Alat dan Mesin Pertanian di SMK Negeri 4 Gowa

Auliah Alifa Azzahra Saleh — 2024-02-28

This study is designed to develop and analyze the level of validation, student learning outcomes, and student responses to the use of video learning media. This research refers to research and development (R&D) using the ADDIE development model. The object of research is a learning video media product that was tested to 20 students in small groups, 2 media experts and 2 teaching material experts who evaluated and provided input related to learning video media and instruction books related to video material or content. The study response consisted of 30 grade X ATPH 3 students in a large group. The results showed that the results of media expert validation were in the "Very Valid" category with an average score of 3.8, while the results of material expert validation were in the "Valid" category with an average score of 2.67. From a small group of 20 students, 30% achieved results in the "Very Valid" category, 65% "Valid" and 5% "Less Valid". The average response result of the 30 large group students was 87.42 which was included in the "Very Good" category. Students in the experimental group who carried out the learning process with supporting media in the form of learning video media obtained a higher total average score compared to students in the control group who underwent the learning process without supporting media.

Rancang Bangun Alat Pemanen Rumput Laut (Euchema cottoni)

Ibrahim Ibrahim — 2024-02-28

This research purpose to create a tool that can facilitate seaweed farmers in the process of harvesting other seaweed products. The working principle of the seaweed harvesting tool is to tie the seaweed rope bent to the roll on the harvester followed by rotating the roll connected to the pedal, when the roller is rotated, the stretch rope will pass through the separator between the rope and the seaweed, so that the seaweed is separated from the stretch rope. , by applying this working principle, it can make it easier for farmers who previously used the principle of working manually by pulling the rope without the help of any tools, after that the farmers also had to separate the seaweed that had been collected manually without the help of any tools so that it required more energy and time. long. This seaweed harvesting tool that was created can simplify and shorten the time for farmers in the harvesting process, as evidenced by the results of field research at the time of testing the tool, the results obtained are by conventional methods the average time used by farmers is 7 minutes 58 seconds while the results testing using a seaweed harvester using a roll diameter of 100 mm which is 5 minutes 28 seconds and by using a roll diameter of 50 mm which is 6 minutes 35 seconds. In terms of time efficiency of the seaweed harvester, a roll with a diameter of 100 mm is an efficient roll with an average time of 5 minutes 28 seconds.

Pemanfaatan Bakteri Asam Laktat Indigenous Kopi Robusta sebagai Starter pada Fermentasi Kopi Arabika Asal Toraja

Sukmawati Sukmawati — 2024-02-28

This research is in the form of an experimental study which has the aim of knowing the addition of indigenous lactic acid bacteria can have effect on the caffeine content of fermented arabica coffee. The reseach design used a completely randomized design which included 6 treatments with the addition of indigenous lactic acid bacteria, namely control treatment (0%), 1%, 2%, 3%, 4%, and 5% treatments for 48 hours of fermentation. Total plate count, pH, total acid titrated in fermented liquid, water content, ang caffeine content of coffee beans were all measured The ANOVA variance test with a signifikant level of α= 0,05 and the Duncan Multiple Range test (DMRT) further test were used in the data analysis. This study resulted that the concentration of indigenous lactic acid bacteria had an effect the total plate count, pH value of the fermented liquid, caffeine content of arabica coffee beans, but had no effect on total acid titrated on fermented liguid,water content of arabica coffee. The best treatment is the addition of 5% indigenous lactic acid bacteria which can reduce the caffeine content of coffee beans up to 1,47%.