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All Journal HAYATI Journal of Biosciences Jurnal Agronomi Indonesia (Indonesian Journal of Agronomy) Buletin Agrohorti Jurnal Ilmu Pertanian Indonesia Jurnal Fitopatologi Indonesia Jurnal Hortikultura Indonesia (JHI) Agromet Forum Pasca Sarjana Jurnal Ilmu Tanah dan Lingkungan (Journal of Soil Science and Environment) Journal of Tropical Life Science : International Journal of Theoretical, Experimental, and Applied Life Sciences Agrikultura Agrovigor: Jurnal Agroekoteknologi Jurnal Pengkajian dan Pengembangan Teknologi Pertanian Jurnal Penelitian Tanaman Industri Buletin Palawija Buletin Penelitian Tanaman Rempah dan Obat AGRIVITA, Journal of Agricultural Science Jurnal Agro Jurnal Sumberdaya Hayati Planta Tropika Caraka Tani: Journal of Sustainable Agriculture Jurnal Penelitian Pertanian Tanaman Pangan BIOEDUSCIENCE Jurnal Agroqua: Media Informasi Agronomi dan Budidaya Perairan Journal of Tropical Crop Science AGROSAINSTEK: Jurnal Ilmu dan Teknologi Pertanian AGRIPEAT JURNAL PANGAN Jurnal Jamu Indonesia Agro Bali: Agricultural Journal Jurnal Penelitian Tanaman Industri (Littri) Buletin Penelitian Tanaman Rempah dan Obat Buletin Palawija Scientica: Jurnal Ilmiah Sains dan Teknologi Journal of Agrosociology and Sustainability Policy Brief Pertanian, Kelautan, dan Biosains Tropika Indonesian Journal of Jamu
Munif Ghulamahdi
Departement Of Agronomy And Horticulture, Faculty Of Agriculture, IPB University (Bogor Agricultural University), Jl. Meranti, Kampus IPB Dramaga, Bogor 16680, INDONESIA
Religion Agriculture, Biological Sciences & Forestry Humanities Biochemistry, Genetics & Molecular Biology Chemistry Civil Engineering, Building, Construction & Architecture Computer Science & IT Decision Sciences, Operations Research & Management Earth & Planetary Sciences Economics, Econometrics & Finance Education Energy Engineering Environmental Science Health Professions Immunology & microbiology Industrial & Manufacturing Engineering Medicine & Pharmacology Social Sciences Other

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Journal : Journal of Tropical Crop Science

 1 
Response of Corn Varieties under Saturated Soil Culture and Temporary Flooding in Tidal Swamp Maulana, Arlingga Ichwan; Ghulamahdi, Munif; Lubis, Iskandar
Journal of Tropical Crop Science Vol 6 No 01 (2019): Journal of Tropical Crop Science
Publisher : Department of Agronomy and Horticulture, IPB University

Show Abstract | Download Original | Original Source | Check in Google Scholar | Full PDF (513.173 KB) | DOI: 10.29244/jtcs.6.01.41-49

Abstract

Corn is one of the important food crops and feeds in the world. Conversion of agricultural land into non-agricultural land is one of the major causes of the decline in corn production. Saturated soil culture (SSC) is a cultivation technology that gives continuous irrigation and maintains water depth constantly and makes soil layer in saturated condition. This technology can prevent pyrite oxidation in the tidal swamp. This research aimed to study the effect of temporary fl ooding under saturated soil culture on the growth and productivity of corn. The research was conducted at Karya Bhakti village, Rantau Rasau, Tanjung Jabung Timur, Jambi Province, Indonesia. The experiment used a split plot design with three replications. The main plot is fl ooding condition, consisted of 1) saturated soil condition continuously, from planting until harvesting time (as control), and 2) saturated soil condition from 0 to 10 DAP (Days after Planting) + fl ooding from 11 to 13 DAP + saturated soil condition from 14 to 28 DAP + fl ooding from 29-31 DAP + saturated soil condition from 32 DAP until harvesting time. The subplot is corn variety, “Sukmaraga”, “Bisma”, “Pioneer 27”, and “Bima 20”. “Pioneer 27” had the highest productivity of 9.33 t.ha-1. Corn varieties with moderate tolerance to temporary fl ooding were “Sukmaraga” and “Bisma”, whereas “Pioneer 27” and “Bima 20” are sensitive to fl ooding.
Impact of Salinity Stress on Soybean Growth and Yield under Saturated Soil Culture in Tidal Lands: A Comparative Study of Tolerant Varieties Nasution, Siti Nurminah; Ghulamahdi, Munif; Melati, Maya
Journal of Tropical Crop Science Vol. 11 No. 03 (2024): Journal of Tropical Crop Science
Publisher : Department of Agronomy and Horticulture, IPB University

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.29244/jtcs.11.03.287-298

Abstract

Salinity stress, intensified by climate change events such as El Niño and drought, presents a significant challenge to soybean production in tidal lands. This study evaluated soybean varieties’ growth, tolerance, and yield under varying salinity conditions within a saturated water cultivation system. The experiment was conducted from February to May 2024 at the IPB Experimental Station in Leuwikopo, Bogor, Indonesia, using soil samples collected from type B tidal lands in Mulyasari Village, Banyuasin, South Sumatra. A completely randomized design (CRD) was employed with three factors and three replications each. The first factor was soybean variety (“Demas-1” and “Detap-1”), the second was soil salinity (0 and 2000 ppm NaCl), and the third was irrigation salinity at different growth stages (control, 2000 ppm NaCl before/during flowering, and 2000 ppm NaCl after flowering). The results demonstrated that the “Demas-1” variety exhibited superior growth characteristics, including higher leaf greenness, dry weight of root nodules, and number of filled pods per plant. Exposure to soil salinity of 2000 ppm NaCl led to a significant reduction in plant height (29.38%), leaf number (38.01%), leaf greenness (28.67%), dry weight (49.90%-60.80%), and filled pods per plant (55.51%), while increasing plant toxicity (108%). Irrigation with 2000 ppm NaCl further exacerbated these negative impacts, resulting in decreased leaf greenness (15.42%-18.06%) and filled pods per plant (17.84%-23.94%). The interaction between soybean variety, soil salinity, and irrigation salinity significantly influenced the number of filled pods per plant. The combination of any soybean variety with 2000 ppm NaCl resulted in a reduction of filled pods per plant. Moreover, applying saline irrigation after flowering to saline soil decreased the number of filled pods per plant by 64.68%. These findings highlight the critical importance of selecting tolerant soybean varieties and implementing effective irrigation management strategies to mitigate the adverse effects of salinity on soybean production in tidal lands.
Response of Growth and Yield of "IPB 9G" Rice to The Application of NPK and Biofertilizers Manullang, Frisca Anggriani; Lubis, Iskandar; Munif Ghulamahdi
Journal of Tropical Crop Science Vol. 12 No. 01 (2025): Journal of Tropical Crop Science
Publisher : Department of Agronomy and Horticulture, IPB University

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.29244/jtcs.12.01.70-76

Abstract

Rice is a staple food crop that is challenging to replace with alternative crops. Strategies that balance high yields with environmental sustainability are crucial to enhance rice production. One such approach is integrating organic, biological, and chemical fertilizers. This study aimed to evaluate the effects of combining these fertilizers on the growth and yield of "IPB 9G" rice. The experiment was conducted at the IPB experimental farm in Cikabayan, Bogor, Indonesia, from March to June 2024, using a randomized complete block design with two factors and three replications. Treatments included two doses of NPK fertilizer (100% and 50% of the recommended dose) and five combinations of organic and biofertilizers: Azotobacter sp., Azotobacter sp. + Pseudomonas sp., humic acid, PGPR (Plant Growth-Promoting Rhizobacteria), and a combination of Azotobacter sp. + Pseudomonas sp. + humic acid + PGPR. Parameters observed included leaf area, root volume, shoot dry weight, and yield components such as the number of panicles, 1000-grain weight, and the number of grains per panicle. The results demonstrated a significant interaction between NPK dosage and organic-biofertilizer combinations on plant growth and yield. Notably, applying 50% of the recommended NPK dose combined with Azotobacter sp. + Pseudomonas sp. produced comparable or superior yields to the full NPK dose. These findings highlight the potential of reducing chemical fertilizer usage by incorporating biofertilizers, offering an environmentally sustainable strategy for rice cultivation.
Application of Phosphorus and Determination of Heat Units to Increase Productivity and Isoflavone Content of Several Varieties of Edamame Soybeans Manullang, Nadya Inri; Melati, Maya; Ghulamahdi, Munif
Journal of Tropical Crop Science Vol. 12 No. 02 (2025): Journal of Tropical Crop Science
Publisher : Department of Agronomy and Horticulture, IPB University

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.29244/jtcs.12.02.335-345

Abstract

Edamame is rich in isoflavones, which offer notable health and beauty benefits. Phosphorus influences the biosynthesis of isoflavones in edamame, making this nutrient an important factor in crop management. Edamame soybeans are harvested at the R6 stage, when pods are fully developed yet still green, a timing that is critical for ensuring optimal quality. Harvest maturity is determined using accumulated heat units, a method that calculates the temperature differences at the planting site to assess crop readiness accurately. This study evaluated the effects of phosphorus fertilization and variety on edamame productivity and isoflavone content. The experiment was conducted at the IPB Experimental Station in Bogor, Indonesia (coordinates: -6.548927° S, 106.734462° E), using a randomized complete block design with three replications. The first factor was phosphorus fertilizer applied at rates of 0, 18, 36, and 54 kg P₂O₅ per hectare. In contrast, the second factor was edamame variety (“Biomax 1”, “Biomax 2”, and “Detam 2” as a check variety for isoflavone content). The results showed no significant interaction between phosphorus fertilization and variety for several growth parameters, including leaf phosphorus content, leaf number, branch number, relative growth rate, and pod weight per plant. However, significant differences among varieties were observed for leaf number and seed weight per plant. Phosphorus fertilization did not significantly affect branch number or pod weight, but it did influence isoflavone content, with different phosphorus doses increasing genistein accumulation in certain varieties. The study also highlighted the impact of temperature on plant growth, as evidenced by significant differences in accumulated crop heat units (CHU) among the varieties: “Biomax 1” required 2029.50–2050.75 °C days, “Biomax 2” required 2070.20–2132.25°C days, and “Detam 2” required 2218.85–2256.05°C days. The highest isoflavone content was recorded in “Biomax 2” with the application of 36 kg P₂O₅ per hectare. Overall, these findings underscore the complex relationship between soil conditions, nutrient availability, and varietal selection in determining edamame yield and quality. This research provides valuable insights for optimizing edamame production and enhancing its nutritional value.
Growth, Production and Bioactive Content of Several Black Cumin (Nigella sativa L.) Accessions With Different Harvesting Times in a D3 Type Climate Regime Cahyo, Septian Dwi; Kurniawati, Ani; Faridah, Didah Nur; Ghulamahdi, Munif
Journal of Tropical Crop Science Vol. 7 No. 03 (2020): Journal of Tropical Crop Science
Publisher : Department of Agronomy and Horticulture, IPB University

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.29244/jtcs.7.03.104-112

Abstract

Black cumin (Nigella sativa L.) is a species Ranunculaceae family which grows in the Middle Eastern and Southern Mediterranean countries. Black cumin is also known as habbatus sauda , or kalonji in South Asia. Black cumin seeds are used as spice traditional medicine; the essential oil compound in the seeds has been identified as thymoquinone. Thymoquinone has a potent antioxidant effect, which could protect organs from oxidative damage by generating free radical agents. Indonesia is one of the most geographically diverse country in the world. Some regions have scattered low and high plains, abundant sunlight, evenly distributed rainfall throughout the year, and highly diverse soil types. The purpose of this study was to study the growth, production, thymoquinone and thymol content of several accessions of black cumin with different harvesting time in D3 type climate regimes. The research was conducted from April to September 2019 in Ngadirejo Village, Sukapura District, Probolinggo Regency, East Java with an altitude of 1.680 m above sea level. The experiment used a randomized complete block design with one factor for the vegetative phase, namely accession (“American”, “Indian”, “Kuwait”, and “Slovenian”) and two factors for the generative phase, namely accession and harvesting time. The harvesting time of black cumin was conducted at 6, 7, and 8 weeks after the anthesis. “Indian” and “Slovenian” accession demonstrated the best vegetative growth, whereas “Indian” had the highest capsules number per plant, seeds weight per plant, and the highest estimated production compared to other accessions (603 kg seeds. ha-1). “American”, “Indian” and “Kuwait” accessions are well adapted in D3 type climate. The harvesting time of 7 to 8 weeks from anthesis was shown to be optimal for all accessions. Thymoquinone and thymol content for the four accessions was circa 349.64– 3,030.45 μg. g-1 of seeds and 385.56 – 2,003.46 μg.g-1 of seeds, with potential production values of 0.18 - 1.83 kg.ha-1 and 0.19 - 0.45 kg.ha-1, respectively. The optimal harvesting time to maximize seed production was unaffected by the black cumin accession.
Growth Performance and Productivity of Several Soybean Genotypes (Glycine max L. Merr.) Cultivated at High Altitude Areas in Indonesia. Lubis, Iskandar; Atmaja, Ian Surya Fitra; Koesoemaningtyas, Tri; Ghulamahdi, Munif; Purnamawati, Heni; Shiraiwa, Tatsuhiko
Journal of Tropical Crop Science Vol. 8 No. 01 (2021): Journal of Tropical Crop Science
Publisher : Department of Agronomy and Horticulture, IPB University

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.29244/jtcs.8.01.1-7

Abstract

The low productivity of soybeans (Glycine max) and the impacts of climate change have led to the need for adaptive varieties to high altitude to produce high yields. In this study, nine soybean genotypes from different geographic regions, tropical and subtropical, were tested. The aim of the research was to investigate the growth and productivity of different genotypes of soybean when grown in high-altitude environment. Results showed that the tropical genotypes, “Tanggamus” and “SC-1-8” from Indonesia, “Manshuu-masokutou” from China, and “San Sai” from Thailand, had longer growth duration than the subtropical genotypes, “Enrei” and “Fukuyutaka” from Japan, “Stressland” and “Ht-2” from the United States, and “Hakubi” from China. Tropical genotypes have greater growth values than subtropical genotypes as shown by taller plants, greater number of leaves and dry weight. Among the tropical genotypes, “SC-1-8”, which is a soybean line from IPB, showed the best growth rates and competitive crop yield, making it a potentially good candidate for high yielding soybean in Indonesia.
Co-Authors , Hariyadi , Khaerana , Nirwan - Nuraeni -, Bachtiar . Hamim . Miftahudin A. HAITAMI Achmad Yozar Perkasa, Achmad Yozar AHMAD JUNAEDI Ahmad Rifqi Fauzi Aidi Noor Alce Ilona Noyaa Anas Dinurrohman Susila Andria Afrida Ani Kurniawati Ani Kurniawati Arraudah, Rahayu Atang Sutandi Atmaja, ian Surya Fitra Aziz, Sandra Bachtiar Bachtiar Bambang S. Purwoko Bambang Sapta Purwoko Bayu Krisnamurthi Bayuanggara Cahya Ramadhan Budi Hartoyo BUDI HARTOYO, BUDI BUDI MARTONO Cahyo, Septian Dwi Danner Sagala Desta Wirnas Didy Sopandie Dwi Guntoro Edi Djauhari Purwakusumah Edi Santosa Eko Sulistyono Endriani , Etty Pratiwi, Etty Faadhilah, Fajar Faqih Udin Farizi, Ahmad Rifqi Firdaus Puja Santana Fred Rumawas HAJRIAL ASWIDINNOOR Hamim Hamim Hamim Hamim Hanessa Putry, Regata Ringga Hardjosoewignyo, Soedarmadi Haridjaja, dan Oteng Haridjaja, Oteng Herawati, Nani Hermanasari, Rini Hermanto Hermanto HESTI PUJIwATI Hesti Pujiwati Hesti Pujiwati Hidayah , Riska Firotul Hizbi, Muhammad Syamil Homma, and Koki Ilona Noyaa, Alce Impron Impron Ince Raden Irdika Mansur Irdika Mansur Iskandar Lubis JAJAH KOSWARA Joedojono Wiroatmodjo Khairil Anwar Koki Homma LA KOLAKA LA KOLAKA, LA Latifah K. Darusman LATIFAH K. DARUSMAN M A Chozin Manullang, Frisca Anggriani Manullang, Nadya Inri MARIA BINTANG Marlin Sefrila Maulana, Arlingga Ichwan Maya Melati Miftahuddin Miftahuddin Miftahuddin Miftahudin . MIFTAHUDIN ., MIFTAHUDIN Muhammad Syamil Hizbi Muis, Ridwan Mustika Tripatmasari Tripatmasari Nasution, Siti Nurminah Nurliani Bermawie NURLIANI BERMAWIE Nurul Khumaida Nurwita Dewi Octivia Trisilawati Oteng Haridjaja Pienyani Rosawanti Purwono Purwono Purwono Purwono Purwono, Purwono Purwono, Purwono Ramadhan, Bayuanggara Cahya Rudi Suryadi Rudi Suryadi Sahuri Sahuri, Sahuri Salsabila Sandra A. Aziz Sandra Arifin Aziz Sandra Aziz Sari, Siti Hapita Sefrila, Marlin Selvie Diana Anis Sherly Rahayu Shiraiwa, Tatsuhiko Sintho Wahyuning Ardie Siti Maryam Harahap Siti Maryam Harahap Siti Ria Chaerunisa Sri Astuti Rais Sudirman Yahya Sudirman Yahya Sudradjat , Sugiyanta Sulistyono, dan Eko Suntari Suwarno Suwarno Suwarno, Suwarno Suwarto Suwarto Syarifuddin, Aip Taopik Ridwan Tatsuhiko Shiraiwa Taufan Hidayat Toyip Toyip TRI ASMIRA DAMAYANTI TRI HASTINI TRI KOESOEMANINGTYAS Trikoesoemaningtyas Turhadi Turhadi Ubad Badrudin Untung Susanto Wage Ratna Rohaeni Wahju Qamara Mugnisyah Wahyuni Lestari Willy Bayuardi Suwarno Yartiwi, Yartiwi Yonny Koesmaryono Yudhistira Nugraha Yudi Sastro YULIN LESTARI Yunita Fauziah Rahim Yunita Fauziah Rahim