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All Journal Jurnal Biologi Tropis EKSAKTA : Jurnal Penelitian dan Pembelajaran MIPA Jurnal Pertanian Agros Agroprimatech Jurnal Pembelajaran dan Biologi Nukleus Jurnal Agroplasma Best Journal (Biology Education, Sains and Technology) Stock Peternakan Journal of Natural Sciences East Asian Journal of Multidisciplinary Research (EAJMR) Journal of Agriculture (JoA) Journal of Pharmaceutical and Sciences. Jagur: Jurnal Agroteknologi Riwayat: Educational Journal of History and Humanities GEMBIRA (Pengabdian Kepada Masyarakat) CULTIVATE: Journal of Agriculture Science Proceedings of The International Conference on Computer Science, Engineering, Social Sciences, and Multidisciplinary Studies
Warsito, Kabul
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Growth Rate and Chlorophyll Content of Liberica Coffee Leaves (Coffea liberica L.) with Addition Rhizosphere Bacterial Microcapsules from Eruption Soil of Mount Sinabung Warsito, Kabul; Sembiring, Desi Sri Pasca Sari; Irawan, Indra; Kriswanda, Bagus
Jurnal Biologi Tropis Vol. 25 No. 4 (2025): Oktober-Desember
Publisher : Biology Education Study Program, Faculty of Teacher Training and Education, University of Mataram, Indonesia

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.29303/jbt.v25i4.10221

Abstract

The chlorophyll content in coffee leaves greatly influences growth productivity and productivity. This study aimed to examine the effect of seed soaking and rhizosphere bacteria microcapsule dosage on the growth rate and chlorophyll content of Liberica coffee leaves planted on peatland. The experiment used a completely randomized design (CRD) with two factors, namely seed soaking time (0, 9, 10, and 11 hours) and rhizosphere bacteria microcapsule dosage (0, 10, 15, and 20 grams), with a total of 16 treatment combinations replicated twice. The parameters measured included leaf area, number of leaves, and chlorophyll content. The results showed that 11-hour seed soaking treatment produced the largest leaf area (40.32 mm), 9–10 hours soaking gave the highest number of leaves (10.34), and 20 grams of microcapsules gave the highest chlorophyll content (79.16 CCI). ANOVA and Duncan's test showed that seed soaking and microcapsules significantly affected the growth and chlorophyll content of leaves. In conclusion, the combination of seed soaking for 9–11 hours and a 20 gram microcapsule dose can improve the growth and quality of Liberica coffee leaves.
Effect of the Variations of Molasses Concentration And Corn Flour on Growing Media for White Oyster Mushroom (Pleurotus Ostreatus) Productivity Anggraini, Dina; Warsito, Kabul; Hafiz, Muhammad
JURNAL PEMBELAJARAN DAN BIOLOGI NUKLEUS Vol 8, No 2: Jurnal Pembelajaran Dan Biologi Nukleus Juli 2022
Publisher : Universitas Labuhanbatu

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.36987/jpbn.v8i2.2881

Abstract

Oyster mushroom (Pleurotus ostreatus) can grow well on materials that contain carbohydrates. One of the fungal growth ingredients that contain carbohydrates is corn flour. In addition to corn flour, molasses can also be used to stimulate the growth of white oyster mushrooms. The purpose of this study was to see the effect of variations in the concentration of molasses and corn flour on the growing media on the productivity of white oyster mushroom (Pleurotus ostreatus). The research was conducted in May-July 2022 at the Center for Breeding and Development of Oyster and Ear Mushroom Cultivation on Sunggal District, Deli Serdang Regency. The research method used was a factorial completely randomized design (CRD) with 2 factors, 16 treatment combinations and 2 replications so that there were 32 baglogs. The first factor contained 4 levels of treatment, namely M0: 0 ml/baglog, M1: 7.5 ml/baglog, M2: 15 ml/baglog and M3: 22.5 ml/baglog. The second factor has 4 levels of treatment, namely J0: 0 gr/baglog, J1: 10 gr/baglog, J2: 20 gr/baglog and J3: 30 gr/baglog. Parameters observed were mycelium growth rate (cm), stalk height (cm), hood diameter (cm), hood thickness (mm), number of branches/clumps, wet weight (g). The results of the highest data mycelium growth rate in treatment J0 of 20.75 cm. The result of the highest data stalk height in the M1 treatment was 6.19 cm. The results of the highest data hood diameter in treatment J0 of 10.18 cm. The result of the highest data hood thickness in treatment J2 was 5.09 mm. The result of the highest number of branches/data clusters in the M3 treatment was 9.13 branches. The result of the highest wet weight (g) data in the M3 treatment was 140.75 gr.
Invasion of Endophytic Bacteria by Using Microencapsulation Technology as Stimulant in Cocoa Plants (Theobroma cacao L) Prayoga, Gusti Yanda; Warsito, Kabul; Amrul, Hanifah Mutia Z.N.
JURNAL PEMBELAJARAN DAN BIOLOGI NUKLEUS Vol 9, No 2: Jurnal Pembelajaran Dan Biologi Nukleus July 2023
Publisher : Universitas Labuhanbatu

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.36987/jpbn.v9i2.3908

Abstract

Fertilization is an important process in the growth of cocoa (Theobroma cacao L). Fertilizing cocoa usually used inorganic fertilizers. Using of inorganic fertilizers continuously could degrading soil fertility. One of the efforts to replace inorganic fertilizers was using endophytic bacteria as biofertilizers. Some endophytic bacteria are abundant in healthy plant tissues. The aim of this research was to obtain endophytic auxin-producing bacteria in cocoa plants and determine the effect of seed immersion and microcapsules addition of endophytic bacteria on cocoa plant growth. The research design used was Complete Randomized Design (CRD), 16 treatments and 3 replications. The first factor was immersion of cocoa seed using endophytic bacteria suspension consisting of S0= 0 hours; S1= 5 hours; S2= 6 hours and S3= 7 hours and the second factor was microcapsules addition consisting of B0= 0 gr; B1= 5 gr; B2= 10 gr; B3= 15 gr. Isolation from the roots and stems of cocoa obtained 5 isolates endophyte bacteria. Auxin assays showed that five isolates were able to produce auxin. Observations on plant height showed the best treatment was treatment B1 (32.49 cm). Observation of total leaves showed S3 treatment was the highest data (11.83 strands). Observation rod diameter parameter, highest data was S3 treatment (4.01 mm). For leaf area parameter, highest value was B1 treatment (66.64 cm2). For wet weight parameter, highest data was S3 treatment (18.41 g). Root length parameter, highest data was B3 treatment (15.78 cm).  Test results showed that the application of suspension and microcapsules of endophytic bacteria significantly increased growth of cocoa.
Post-Harvest Handling Techniques Of Liberica Coffee (Coffea Liberica Var.) To Become Coca Coffea Products In Sei Kemangkus Plantation, Rungan District, Gunung Mas Regency, Central Kalimantan Eriansyah, Satria; Setiawan, Andi; Warsito, Kabul
Agroprimatech Vol. 9 No. 1 (2025): Agroprimatech
Publisher : Prodi Agroteknologi Fakultas Agro Teknologi Universitas Prima Indonesia

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.34012/agroprimatech.v9i1.6543

Abstract

In this case, Coka Coffea producers have determined the right direction in producing Coka Coffea products which are enjoyed by coffee lovers in Central Kalimantan. This research aims to determine the income of Coka Coffea product producers as players in the roast bean coffee business with a distinctive taste and aroma, whose Liberica coffee is grown and harvested from the Sei Kemangkus area, Rungan District, Gunung Mas, Central Kalimantan. Post-harvest handling, often referred to as primary processing, is a term used for all treatment from harvest until the commodity can be consumed "fresh" or in preparation for subsequent processing. Post-harvest handling of coffee generally consists of: Pulping → Drying → Hulling → Defect sorting → Roasting → Fine grinding → Packaging → Marketing. The parameters looked at are aroma, color, water content, packaging and trademark, defective beans, coffee size, and marketing.
Uji kandungan nutrisi nugget daging domba dengan pemanfaatan daun kelor Asmaq, Nur; Warsito, Kabul; Matondang, Syaiful Nasri; Suhut, Anwar
Journal of Pharmaceutical and Sciences Suppl. 1, No. 1 (2023)
Publisher : Fakultas Farmasi Universitas Tjut Nyak Dhien

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.36490/journal-jps.com.v6i5-si.379

Abstract

This research aimed to determine the effect of adding Moringa oleifera leaves  on the nutritional value of lamb nuggets. Moringa leaves (Moringa oleifera) is a tropical plant that can quickly grow in low areas such as North Sumatra. This plant contains anticancer and antioxidants, which can be used as a natural ingredient to maintain and improve the quality of lamb nuggets. In this research, Moringa leaves and lamb were processed into nuggets. This research used an experimental method with a completely randomised design with 4 treatments and 4 replications. This research showed that adding Moringa leaves showed a very significant difference (P<0.01) in the water content, pH value and total bacterial colony test.
RESPON PEMBERIAN PGPR (Plant Growth Promoting Rhizobacteria ) TERHADAP PERTUMBUHAN VEGETATIF TANAMAN CABAI CAPLAK (Capsicum annum L.) Warsito, Kabul
Eksakta : Jurnal Penelitian dan Pembelajaran MIPA Vol 7, No 1 (2022): Eksakta : Jurnal Penelitian dan Pembelajaran MIPA
Publisher : Fakultas Keguruan Dan Ilmu Pendidikan, UM-Tapsel

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.31604/eksakta.v7i1.100-104

Abstract

Research on the Response of PGPR (Plant Growth Promoting Rhizobacteria) to Vegetative Growth of Chilli (Capsicum annum L.) was conducted from July to September 2021 in Klambir V Kebun Village, Hamparan Perak District, Deli Serdang Regency. The purpose of the study was to determine the effect of PGPR on the growth of several vegetative organs of tick chili. The method used in this study was a completely randomized design (CRD) with 8 treatments. Parameters observed in this study were plant height, number of leaves, number of branches. The results showed that giving PGPR to chili peppers had no significant effect on plant height. The highest average plant height of 22.74 cm was found in the PGPR treatment at a dose of 200 mL/liter. Meanwhile, the effect of PGPR on the number of leaves gave an insignificant different effect. The best concentration was also shown by treatment with a dose of 200 mL/liter with an average number of leaves of 6.80 leaves. The effect of giving PGPR on the number of branches gave very significantly different results. The best concentration was also shown by treatment with a dose of 200 mL/liter with an average of 3.00.
Sustainable Coffee Agroforestry Development in Rural Indonesia: Impacts on Community Income, Ecosystem Services, and Food Security in Buluh Mario Village, Sipirok District Warsito, Kabul; Asmaq, Nur; Irawan, Indra; Hutabarat, Diki Wahyudi; Saputra, Dony; Manullang, Tawanli
Proceedings of The International Conference on Computer Science, Engineering, Social Science, and Multi-Disciplinary Studies Vol. 1 (2025)
Publisher : CV Raskha Media Group

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.64803/cessmuds.v1.67

Abstract

This community service program implements an Arabica coffee agroforestry system in Buluh Mario Village through two main phases: (1) Participatory Rural Appraisal (PRA) survey to identify local potential and challenges, and (2) socialization and training based on Participatory Agricultural Extension Methodology (PAEM) covering Good Agricultural Practices (GAP), shade tree management, land conservation, and specialty coffee marketing. Results demonstrate high biophysical potential of Buluh Mario Village and very positive community response. Conclusion: the synergy between land suitability and community readiness establishes a strong foundation for sustainable coffee agroforestry development that improves farmer livelihoods while preserving ecosystem integrity.
Co-Authors Agung Ardiansyah, Agung Amanda, Ricky Ryan Andi Setiawan Anisa, yuananisa Asmaq, Nur Bagus Setiawan Desi Sri Pasca Sari Sembiring, Desi Sri Pasca Sari Desniarti, Desniarti Dewi, Putri Lestari DINA ANGGRAINI Dony Saputra Eriansyah, Satria Fahmi Abdillah Febriyanti, Cindy Ginting, Tri Yanita Hanifah Mutia Zaida Ningrum Amrul Hutabarat, Diki wahyudi indra gunawan purba Indra Irawan Kriswanda, Bagus Mahliza Nasution Manullang, Tawanli Matondang, Syaiful Nasri Muhammad Hafiz Nasution, Khairi Amri Pasaribu, Anisa Hafsari Prastio, Bayu Prayoga, Gusti Yanda Ramadhan, Sufi Rafli Ramadhani, Elrisa Refnizuida, Refnizuida Ruth Riah Ate Tarigan Setiawan, Andi Setiawan Suhut, Anwar Syahfitri, Windi Ely Tarigan, Rico Kris Hadinata Zit, Sigit Indra