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All Journal Seminar Nasional Lahan Suboptimal Menara Perkebunan
Henny Hendarjanti
PT. ASTRA AGRO LESTARI Tbk.
Agriculture, Biological Sciences & Forestry Other

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Potensi dan Upaya Mempertahankan Kefektifan Beberapa Entomopatogen dalam Mengendalikan Larva Oryctes rhinoceros Linn. di Perkebunan Kelapa Sawit Henny Hendarjanti
Seminar Nasional Lahan Suboptimal 2021: Prosiding Seminar Nasional Lahan Suboptimal ke-9 “Sustainable Urban Farming Guna Meningkatkan
Publisher : Pusat Unggulan Riset Pengembangan Lahan Suboptimal (PUR-PLSO) Universitas Sriwijaya

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Abstract

Hendarjanti H. 2021. The potential and efforts to maintain the effectiveness of several entomopathogens in controlling oryctes rhinoceros larvae in oil palm plantations. In: Herlinda S et al. (Eds.), Prosiding Seminar Nasional Lahan Suboptimal ke-9 Tahun 2021, Palembang 20 Oktober 2021. pp. 411-425.  Palembang: Penerbit & Percetakan Universitas Sriwijaya (UNSRI).Oryctes rhinoceros Linn. (Coleoptera: Scarabaeidae) is an essential oil palm pest. In the field, entomopathogenic control is less than optimal because the environmental conditions are not suitable. The purpose of this study was to determine the potential and efforts to maintain the effectiveness of Metarhizium anisopliae and Entomopathogens Nematodes (EPNs) for controlling O. rhinoceros larvae in oil palm plantations. The research has been conducted in immature oil palm plantations in Indragiri Hulu, Riau. The study used a non-factorial randomized block design with five treatments and three replications (EPNs: palm fronds mulch + no watering, palm fronds mulch + watering, palm fronds mulch + gunny sack + watering, Metarhizium anisopliae: palm fronds mulch + gunny sack + watering and control). Application of M. anisopliae with conidia density (1x106) with a dose of 0.15 l/m2 and EPNs 20,000 ij/m2. The application was carried out at the breeding site of rhinoceros beetle by spraying using a knapsack sprayer in the afternoon. The results showed that the pathogenicity of EPNs and M. anisopliae to larvae was 70.00 – 76.67% on the 24th day after application. On the first day after treatment, there was the death of larvae by EPNs. Application of M. anisopliae on larvae achieved death four days after application. The process of pathogenicity of EPNs in larvae was faster than that of M. anisopliae. The results showed that EPNs and M. anispoliae had an excellent opportunity to control O. rhinoceros and could be developed as an environmentally friendly and sustainable biological control.
Aplikasi Fungi Mikoriza Arbuskula (FMA) pada pembibitan untuk menekan kejadian penyakit busuk pangkal batang kelapa sawit Henny HENDARJANTI; Henik SUKORINI
E-Journal Menara Perkebunan Vol 90, No 2 (2022): Oktober, 2022
Publisher : INDONESIAN RESEARCH INSTITUTE FOR BIOTECHNOLOGY AND BIOINDUSTRY

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.22302/iribb.jur.mp.v90i2.495

Abstract

AbstractGanoderma boninense is the main pathogen in oil palm plantation areas and can infect new plants, thereby shortening the economic life of each crop cycle. Until now, no adequate control has been found to minimize the incidence of basal stem root (BSR) disease. Preventive control strategy through replanting and applying Arbuscular Mycorrhizal Fungi (AMF) and Trichoderma sp. since nursery can be an approach in managing BSR disease. This study aims to determine the effect of biocontrol agents' application of AMF and Trichoderma sp. at the nursery on the incidence of BSR in the field. The treatments assessed were types (MM, MR, and MT) and dosages (25, 50 and 75 g per seedlings) of AMF products and each treatment was replicated three times. Arbuscular Mycorrhizal Fungi was applied in the main nursery and at planting in the field. Observations were made on AMF and Trichoderma sp. spore density and AMF colonization at plants aged 4, 5, 6, and 7 years while the incidence of BSR was observed for ten years, from one year before replanting up to TM-5. The experimental design carried out was a randomized block design. The results showed that the MM-25 treatment was the best treatment in terms of AMF colonization percentage of 98 % and total AMF spores of 688 spores per 100 g soil at plants aged seven years. However, the population of Trichoderma sp. showed inconsistent numbers during the observation. Before replanting, the oil palm plantation area showed a BSR incidence of 21.37%. However, after replanting with the application of AMF and Trichoderma sp. on seedlings, the incidence of BSR became 0 until plants aged eight years (TM-5). In general, the application of AMF reduces the BSR incidence of oil palm in the field.[Keywords: biocontrol agents, basal stem rot, AMF, oil palm, replanting] AbstrakGanoderma boninense merupakan patogen utama di areal perkebunan kelapa sawit dan dapat menginfeksi tanaman baru, sehingga memperpendek umur ekonomis setiap siklus tanaman. Sampai saat ini belum ditemukan pengendalian yang efektif untuk meminimalkan kejadian penyakit busuk pangkal batang (BPB). Strategi pengendalian preventif melalui peremajaan dan aplikasi Fungi Mikoriza Arbuskular (FMA) dan Trichoderma sp. sejak pembibitan dapat menjadi salah satu pendekatan dalam pengelolaan penyakit BPB. Penelitian ini bertujuan untuk mengetahui pengaruh aplikasi agens biokontrol FMA dan Trichoderma sp. di pembibitan terhadap kejadian BPB di lapangan. Perlakuan yang diuji adalah jenis (MM, MR, dan MT) dan dosis (25, 50 dan 75 g per bibit) produk FMA dan masing-masing perlakuan diulang tiga kali. Fungi Mikoriza Arbuskular diaplikasikan di pembibitan utama dan saat tanam di lapangan. Pengamatan dilakukan terhadap kepadatan spora FMA dan Trichoderma sp. serta kolonisasi FMA pada umur tanaman 4, 5, 6, dan 7 tahun sedangkan kejadian BPB diamati selama sepuluh tahun dari satu tahun sebelum peremajaan hingga TM-5. Rancangan percobaan yang digunakan adalah rancangan acak kelompok. Hasil penelitian menunjukkan bahwa perlakuan MM-25 merupakan perlakuan terbaik ditinjau dari persentase kolonisasi FMA sebesar 98% dan total spora FMA sebesar 688 spora per 100 g tanah pada tanaman umur tujuh tahun. Namun populasi Trichoderma sp. menunjukkan angka yang tidak konsisten selama pengamatan. Sebelum peremajaan, areal kelapa sawit menunjukkan kejadian BPB sebesar 21,37%. Namun setelah dilakukan peremajaan dengan aplikasi FMA dan Trichoderma sp. pada bibit, kejadian BPB menjadi 0 sampai usia tanaman delapan tahun (TM-5). Secara umum, aplikasi FMA mengurangi kejadian BPB kelapa sawit di lapangan.[Kata kunci: agens biokontrol, busuk pangkal batang, FMA, kelapa sawit, peremajaan]
Aplikasi Fungi Mikoriza Arbuskula (FMA) pada pembibitan untuk menekan kejadian penyakit busuk pangkal batang kelapa sawit Henny HENDARJANTI; Henik SUKORINI
Menara Perkebunan Vol. 90 No. 2 (2022): 90 (2), 2022
Publisher : INDONESIAN OIL PALM RESEARCH INSTITUTE

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.22302/iribb.jur.mp.v90i2.495

Abstract

AbstractGanoderma boninense is the main pathogen in oil palm plantation areas and can infect new plants, thereby shortening the economic life of each crop cycle. Until now, no adequate control has been found to minimize the incidence of basal stem root (BSR) disease. Preventive control strategy through replanting and applying Arbuscular Mycorrhizal Fungi (AMF) and Trichoderma sp. since nursery can be an approach in managing BSR disease. This study aims to determine the effect of biocontrol agents' application of AMF and Trichoderma sp. at the nursery on the incidence of BSR in the field. The treatments assessed were types (MM, MR, and MT) and dosages (25, 50 and 75 g per seedlings) of AMF products and each treatment was replicated three times. Arbuscular Mycorrhizal Fungi was applied in the main nursery and at planting in the field. Observations were made on AMF and Trichoderma sp. spore density and AMF colonization at plants aged 4, 5, 6, and 7 years while the incidence of BSR was observed for ten years, from one year before replanting up to TM-5. The experimental design carried out was a randomized block design. The results showed that the MM-25 treatment was the best treatment in terms of AMF colonization percentage of 98 % and total AMF spores of 688 spores per 100 g soil at plants aged seven years. However, the population of Trichoderma sp. showed inconsistent numbers during the observation. Before replanting, the oil palm plantation area showed a BSR incidence of 21.37%. However, after replanting with the application of AMF and Trichoderma sp. on seedlings, the incidence of BSR became 0 until plants aged eight years (TM-5). In general, the application of AMF reduces the BSR incidence of oil palm in the field.[Keywords: biocontrol agents, basal stem rot, AMF, oil palm, replanting] AbstrakGanoderma boninense merupakan patogen utama di areal perkebunan kelapa sawit dan dapat menginfeksi tanaman baru, sehingga memperpendek umur ekonomis setiap siklus tanaman. Sampai saat ini belum ditemukan pengendalian yang efektif untuk meminimalkan kejadian penyakit busuk pangkal batang (BPB). Strategi pengendalian preventif melalui peremajaan dan aplikasi Fungi Mikoriza Arbuskular (FMA) dan Trichoderma sp. sejak pembibitan dapat menjadi salah satu pendekatan dalam pengelolaan penyakit BPB. Penelitian ini bertujuan untuk mengetahui pengaruh aplikasi agens biokontrol FMA dan Trichoderma sp. di pembibitan terhadap kejadian BPB di lapangan. Perlakuan yang diuji adalah jenis (MM, MR, dan MT) dan dosis (25, 50 dan 75 g per bibit) produk FMA dan masing-masing perlakuan diulang tiga kali. Fungi Mikoriza Arbuskular diaplikasikan di pembibitan utama dan saat tanam di lapangan. Pengamatan dilakukan terhadap kepadatan spora FMA dan Trichoderma sp. serta kolonisasi FMA pada umur tanaman 4, 5, 6, dan 7 tahun sedangkan kejadian BPB diamati selama sepuluh tahun dari satu tahun sebelum peremajaan hingga TM-5. Rancangan percobaan yang digunakan adalah rancangan acak kelompok. Hasil penelitian menunjukkan bahwa perlakuan MM-25 merupakan perlakuan terbaik ditinjau dari persentase kolonisasi FMA sebesar 98% dan total spora FMA sebesar 688 spora per 100 g tanah pada tanaman umur tujuh tahun. Namun populasi Trichoderma sp. menunjukkan angka yang tidak konsisten selama pengamatan. Sebelum peremajaan, areal kelapa sawit menunjukkan kejadian BPB sebesar 21,37%. Namun setelah dilakukan peremajaan dengan aplikasi FMA dan Trichoderma sp. pada bibit, kejadian BPB menjadi 0 sampai usia tanaman delapan tahun (TM-5). Secara umum, aplikasi FMA mengurangi kejadian BPB kelapa sawit di lapangan.[Kata kunci: agens biokontrol, busuk pangkal batang, FMA, kelapa sawit, peremajaan]
Evaluasi Penerapan Pengelolaan Hama Terpadu pada Petani Perkebunan Rakyat Komoditi Kelapa Sawit di Provinsi Sumatra Barat Henny Hendarjanti
Seminar Nasional Lahan Suboptimal Vol 13, No 1 (2025): Prosiding Seminar Nasional Lahan Suboptimal ke-13 "Optimalisasi Lahan Suboptima
Publisher : Pusat Unggulan Riset Pengembangan Lahan Suboptimal (PUR-PLSO) Universitas Sriwijaya

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Abstract

Hendarjanti, H. (2025). The Evaluation of the Implementation of Integrated Pest Management for Smallholder Oil Palm Farmers in West Sumatra Province. In: Herlinda S et al. (Eds.), Prosiding Seminar Nasional Lahan Suboptimal ke-13 Tahun 2025, Palembangg 20 Oktober 2025. (pp. x–y). Palembang: Penerbit & Percetakan Universitas Sriwijaya (UNSRI).Indonesia is the world's largest producer of palm oil. Smallholder farmers play a crucial role in contributing to palm oil production as they produce fresh fruit bunches, the basis of the national palm oil industry, which covers over 6 million hectares. Sumatra accounts for over 60% of Indonesia's palm oil cultivation, with smallholder oil palm area accounting for approximately 40.29% of the country's oil palm area by 2024. Smallholder oil palm productivity is generally lower than that of corporate plantations, as smallholders often lack knowledge, managerial skills, and access to technology and seeds. This includes knowledge and skills in integrated pest management (IPM). To improve farmers' capacity to address these challenges, a technical training program for smallholder oil palm cultivation was implemented. This study aimed to determine smallholder farmers' perceptions and awareness of IPM practices in West Sumatra before the training program. Knowledge and experience in implementing IPM in oil palm plantations were collected through observations, interviews, and in-depth discussions with 56 smallholder farmers from West Pasaman and Dharmasraya Regencies. The evaluation results indicated that smallholders lacked information on IPM, the preservation of refugia plants, and the use of natural enemies. Farmers' behavior in the control decision-making process is not based on economic concepts. This training program successfully motivated smallholder farmers to become more innovative and efficient in managing their oil palm plantations through IPM practices, which prioritize environmentally friendly control methods to support agroecosystem preservation and oil palm sustainability, resulting in significant increases in oil palm productivity.
Kejadian Penyakit Busuk Pangkal Batang Ganoderma boninense: Sebuah Ulasan Pengetahuan, Persepsi dan Sikap Petani Kelapa Sawit Henny Hendarjanti
Seminar Nasional Lahan Suboptimal Vol 12, No 1 (2024): Prosiding Seminar Nasional Lahan Suboptimal ke-12 "Revitalisasi Lahan Suboptima
Publisher : Pusat Unggulan Riset Pengembangan Lahan Suboptimal (PUR-PLSO) Universitas Sriwijaya

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Abstract

Hendarjanti, H. (2024). The incidence of ganoderma boninense basal stem rot disease: a review of knowledge, perception, and attitude of oil palm smallholders. In: Herlinda S et al. (Eds.), Prosiding Seminar Nasional Lahan Suboptimal ke-12 Tahun 2024, Palembang 21 Oktober 2024. (pp. 958–968). Palembang: Penerbit & Percetakan Universitas Sriwijaya (UNSRI).The palm oil industry has been the lifeblood of the Indonesian economy for decades. In 2023, around 40.75% of the land planted with oil palm is smallholder oil palm plantations. The expansion of oil palm causes instability in the ecosystem due to the monoculture planting system. The palm oil industry faces the problem of Basal Stem Rot (BSR) disease caused by the fungus Ganoderma boninense. This fungus can spread the disease through agents, which causes severe threats to the industry (Paterson & Lima, 2018). Smallholder oil palm plantations are also greatly affected, with the occurrence of BSR disease causing economic losses due to decreased production of fresh fruit bunches (FFB) and the death of oil palm trees. This study aimed to identify the level of knowledge, perception, and attitude of oil palm farmers towards the occurrence of BSR disease. A survey method through face-to-face interviews using a structured questionnaire was used to collect data from 110 respondents among independent smallholders in Musi Banyuasin, Ogan Komering Ilir and Muara Enim Regencies. The study showed that most independent smallholders only understood knowledge related to BSR disease after training. Smallholders need a better perception of the occurrence and management of BSR disease, which also affects smallholders' attitudes and actions in managing BSR disease. The findings of this study can be helpful for relevant authorities in identifying strategic programs to improve the knowledge and skills of oil palm smallholders in managing BSR disease.
Co-Authors Henik Sukorini