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All Journal MANAJEMEN HUTAN TROPIKA Journal of Tropical Forest Management Jurnal Ilmu Pertanian Indonesia Jurnal Silvikultur Tropika (JST) Jurnal Penelitian Hutan Tanaman JURNAL PERBENIHAN TANAMAN HUTAN Journal of Degraded and Mining Lands Management Jurnal Pengelolaan Sumberdaya Alam dan Lingkungan (Journal of Natural Resources and Environmental Management) Jurnal Wasian PERENNIAL Journal of Sylva Indonesiana Jurnal Silva Tropika Jurnal Hutan Tropika Jurnal Pusat Inovasi Masyarakat Jurnal Wasian
Arum Sekar Wulandari
Bogor Agricultural University
Agriculture, Biological Sciences & Forestry Biochemistry, Genetics & Molecular Biology Decision Sciences, Operations Research & Management Earth & Planetary Sciences Education Energy Environmental Science Social Sciences

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PERAN FUNGI MIKORIZA ARBUSKULA (FMA) DAN ASAM HUMAT TERHADAP PERTUMBUHAN BALSA (Ochroma bicolor Rowlee.) PADA TANAH TERKONTAMINASI TIMBAL (Pb) Fatimah Nur Istiqomah; Sri Wilarso Budi; Arum Sekar Wulandari
Jurnal Pengelolaan Sumberdaya Alam dan Lingkungan (Journal of Natural Resources and Environmental Management) Vol. 7 No. 1 (2017): Jurnal Pengelolaan Sumberdaya Alam dan Lingkungan (JPSL)
Publisher : Graduate School Bogor Agricultural University (SPs IPB)

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.29244/jpsl.7.1.72-78

Abstract

The aims of this research were to analyze the role of arbuscular mycorrhizal fungi (AMF) and humid acid toward balsa (Ochroma bicolor Rowlee.) growth on soil contaminated by lead and to analyze Pb accumulation in balsa. This study used a split split plot design. The main plot was AMF with 5 levels; without AMF (A0), AMF from secondary forest (A1), AMF from rubber natural forest (A2), AMF from oil palm plantations (A3), and AMF from rubber plantations (A4). The subplot was humic acid with 2 levels; no humic acid (B0) and 100 mL humic acid (B1). The sub subplot was Pb with 3 levels; 0 ppm Pb (C0), 500 ppm Pb (C1), and 750 ppm Pb (C2). The role of AMF and humic acid was more effective on the soil with 0 ppm of Pb than at 500 ppm of Pb and 750 ppm of Pb. AMF from rubber natural forest was the most effective AMF to increase diameter, root dry weight and shoot dry weight. Humic acid was able to increase the growth of height of 22.87% and diameter of 24.86% better than no humic acid. Pb accumulation in the entire plant tissue was more than 1000 ppm. It inhibited the growth of balsa seedlings and causing dead in 17.52% plant.
Bioassay the Composition of the Organic Pot as a Container Media for Balsa (Ocrhoma bicolor Rowlee) Growth in Nursery Al Muzahiq, Hizbullah; Budi, Sri Wilarso; Wulandari, Arum Sekar
Jurnal Pengelolaan Sumberdaya Alam dan Lingkungan (Journal of Natural Resources and Environmental Management) Vol 15 No 1 (2025): Jurnal Pengelolaan Sumberdaya Alam dan Lingkungan (JPSL)
Publisher : Pusat Penelitian Lingkungan Hidup, IPB (PPLH-IPB) dan Program Studi Pengelolaan Sumberdaya Alam dan Lingkungan, IPB (PS. PSL, SPs. IPB)

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.29244/jpsl.15.1.1

Abstract

Forestry plant seedling production uses non-eco-friendly polybags. Organic pots are a solution that can be applied. This research aimed to analyze the composition and size of raw materials in organic pots for balsa growth and to examine the composition of raw materials in organic pots appropriate for balsa growth. This study used a factorial complete randomized design (CRD). There are two factors: the organic pot composition factor (A) and the mesh size factor (M). The observed parameters included the C/N ratio of organic pots, height, diameter, biomass, and plant chlorophyll content. The results showed that the highest percentage decrease in the C/N ratio was found in the A3M2 treatment. The highest average value of balsa plant growth was found in the A3M2 treatment (15% newspaper, 80% goat manure, 5% cocopeat, and ten mesh material size). The highest chlorophyll content was found in A3M1 treatments (15% newspaper, 80% goat manure, 5%cocopeat, five mesh material size). Organic pots with low C/N ratio values had higher average increases in height and diameter of plants compared to organic pots with high C/N ratio values. The optimal composition of the organic pot in this study was the A3M2 treatment.
Evaluation of Leaf Spot and Blight Diseases in Mahogany (Swietenia mahagoni) Seedlings in Rumpin Nursery, Bogor Regency, Indonesia Islami, Naluri Siyasah; Istikorini, Yunik; Lelana, Neo Endra; Wulandari, Arum Sekar
Jurnal Pengelolaan Sumberdaya Alam dan Lingkungan (Journal of Natural Resources and Environmental Management) Vol 16 No 1 (2026): Jurnal Pengelolaan Sumberdaya Alam dan Lingkungan (JPSL)
Publisher : Pusat Penelitian Lingkungan Hidup, IPB (PPLH-IPB) dan Program Studi Pengelolaan Sumberdaya Alam dan Lingkungan, IPB (PS. PSL, SPs. IPB)

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.29244/jpsl.16.1.25

Abstract

Seedling propagation in nurseries often faces problems such as disease attack. Leaf spot and blight are the main threats that usually hamper the growth of small-leaf mahogany (Swietenia mahagoni (L.) Jacq.) seedlings in the nursery. This study aims to determine the incidence and severity of disease, factors affecting the development of leaf spot and blight on small-leaf mahogany seedlings, and identify the causative pathogen. The research method included observations of disease incidence and severity in two sample plots representing the nursery with a sampling intensity of 10%. Leaf samples showing disease symptoms were isolated and tested for Koch’s Postulates. The result showed that the incidence of leaf spot and blight reached 95,44% and the disease severity was lower (44,72%). The environmental conditions at Rumpin Nursery, including high rainfall and humidity, as well as moderate temperatures (22-30 °C), favored the spread of disease. There were four types of fungal pathogens of leaf spot and blight on small-leaf mahogany seedlings, namely Pestalotiopsis sp., Rhizoctonia sp., Colletotrichum sp., and Bipolaris sp., with an incubation period of 1-2 days. This incubation period indicates rapid infectious ability under favorable environmental conditions.
Co-Authors . Supriyanto Abdonia W. Finmeta Aditya Wardani Afrida Rizka Farzana Ahmad Parlaongan Al Muzahiq, Hizbullah Alwysihah, Hafid Anindita Julian Arin Atok Subiakto Basuki Wasis Benny Subandy Benny Subandy Cahyo Wibowo Chaerul H, Rachmad Dadan Mulyana Dela Meisuda Mar’Atussholihah Derie Kusuma Budi Ningrum Dewa Made Juli Santika Dian Kirani, Annisa Edhi Sandra Erina Sulistiani Esthi Liani Agustiani Fadhlurrahman, Muhammad Miftah Farikhah, Anisatul Fatimah Nur Istiqomah Fauziah, Nadira Aribah Febrian Ari Nugroho Febrina Keumala, Cut Ferawati Oktia Nurhayani Ganis Citra Purmadewi H, Rachmad Chaerul Hannum Wulan Febrianingrum Hariadi Propantoko Helga Sugiarti Hutami Indah Pertiwi Ida Rosita Irdika Mansur Islami, Naluri Siyasah Istikorini, Yunik Melya Riniarti Neo Endra Lelana, Neo Endra Nurhayani, Ferawati Oktia Nurheni Wijayanto Puspitasari, Sri Rakhman , Rizali Ratna Damayanti Sianturi Ratna Uli Damayanti Sianturi Revi Novan Rhomi Ardiansyah Rifqie Mardiansyah Purmadi Rizki Adisetia Rummi Azahra Gumilar Sabar Sampulan Nasution Siregar , Elisa Weber Siti Jaenab Sri Susanti Sri Wilarso B. Sri Wilarso Budi Suci Ratna Puri Supriyanto Supriyanto Supriyanto . Supriyanto Supriyanto Suwondo Suwondo Suyogia Nur Azis Tofan Randy Wijaya Triaty Handayani Wahyu Krisna Yuli Fitriani Yus Septiawati