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All Journal Agrotekma: Jurnal Agroteknologi dan Ilmu Pertanian Bernas Jurnal Pertanian Agros JURNAL AGROHITA JURNAL AGRICA IJoASER (International Journal on Advanced Science, Education, and Religion) Jurnal Agronomi Tanaman Tropika (JUATIKA) Jurnal Agroplasma Jurnal Penelitian Agrosamudra JURNAL PIONIR Community Development Journal: Jurnal Pengabdian Masyarakat Biofarm : Jurnal Ilmiah Pertanian Jurnal Agro Estate International Journal of Social Science, Educational, Economics, Agriculture Research, and Technology (IJSET) Jurnal Al-Qiyam Jurnal Tana Mana Jurnal Hasil Pengabdian Masyarakat (JURIBMAS) International Review of Practical Innovation, Technology and Green Energy (IRPITAGE) Ranah Research : Journal of Multidisciplinary Research and Development Jurnal Agro Estate Jurnal Agro Fabrica
Sri Murti Tarigan
Institut Teknologi Sawit Indonesia
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Growth Morphology Seeds Oil palm (Elaeis guineensis Jacq.) DXP PPKS Simalungun Variety under pressure Salinity During Phase Pre-Nursery Alvi Ismu Azhar Panjaitan; Eka Bobby Febrianto; Sri Murti Tarigan; Wagino
JURNAL AGRONOMI TANAMAN TROPIKA (JUATIKA) Vol. 8 No. 2 (2026): Jurnal Agronomi Tanaman Tropika (JUATIKA) Vol. 8 No. 2 Mei 2026
Publisher : LPPM UNIVERSITAS ISLAM KUANTAN SINGINGI

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.36378/juatika.v8i2.5504

Abstract

This study aims to understand the morphological and physiological responses of coconut oil palm (Elaeis guineensis Jacq.) variety DxP PPKS Simalungun seeds to salinity stress during the pre-nursery phase. High-quality seeds are crucial for the successful growth and productivity of coconut oil palm plants in the field. The experiment employed a randomized group design with three salinity levels: no salinity, moderate salinity, and high salinity. Each treatment was repeated three times, with 10 seeds per repetition. Observed variables included plant height, stem diameter, number of leaves, chlorophyll content, root length, shoot length, fresh weight, volume, and dry weight of the plants. Data were analyzed using various methods of analysis of variance (ANOVA) followed by Duncan's multiple range test (DMRT) at a 5% significance level when significant effects were detected. The results showed that moderate salinity induced the best growth response, particularly in stem diameter from week 2 to week 8, as well as in the fresh weight of roots and shoots. Plant height was superior under non-saline conditions only during the third week, while the number of leaves and chlorophyll content showed no significant differences. This study indicates that DxP PPKS Simalungun coconut oil palm seeds possess good tolerance to salinity stress during the pre-nursery phase.
Identifikasi Tingkat Serangan Hama Ulat Kantung (Metisa Plana) Pada Tanaman Kelapa Sawit (Elaeis Guineensis Jacq) Di Kecamatan Dolok Batu Nanggar Kabupaten Simalungun dwika sadewa; Sri Murti Tarigan
JURNAL AGRICA Vol. 19 No. 2 (2026): JURNAL AGRICA
Publisher : Universitas Medan Area

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.31289/agrica.v19i2.18067

Abstract

The bagworm (Metisa plana) is one of the major pests that attack oil palm plantations, causing leaf damage and reducing the plants’ photosynthetic capacity. This study aims to identify the level of bagworm infestation in mature oil palm plantations at the Dolok Ilir Plantation, PTPN IV Region II, as a basis for pest management and control strategies. This study was conducted through field observations and systematic random sampling. The data collected included pest population, infestation level, infestation percentage, and the extent of leaf damage caused by the bagworm. The results showed that the infestation level was categorized as severe and had spread throughout the entire observation area. High pest populations caused significant leaf damage, which has the potential to reduce crop productivity and increase pest control costs. From an agribusiness perspective, these conditions can negatively impact plantation efficiency and the sustainability of oil palm production. Therefore, routine monitoring and the implementation of Integrated Pest Management (IPM) are crucial for curbing pest development and maintaining plantation productivity and sustainability.
Co-Authors Ahmad Habibie Rambe Ahmad Mahdan Nasution Aldo Dana Asneri Ahmad Lubis Alvi Ismu Azhar Panjaitan Amanda Zulianty Ananda Afriandi Apridho Efraim Arbiansyah Ardiansyah, Dede Dina Arfianti Saragih Dinni Saqina Dion Nantoyo Disya Dania Dita P Suwanto Dita Puti Suwanto dwika sadewa Eka Bobby Febrianto, Eka Bobby Fadel Muhammad Ramadhan Pardede Fadly Himawan Fathan Hably Azya Guntoro Hardy Wijaya Hardy Wijaya Hasibuan, Jalaluddin Rahmat Hussein Abdillah Igo Azri Ingrid Ovie Yosephine Jalaluddin Rahmat Hasibuan Khairul Alfazar Kristiani, Judika Lufy Andria Cik Manurung, Saroha Megawati Siahaan Mutiara Cahyani Nanang Supena Prayitno, Habib Prayogi Sunanda Purjianto Rafika Umami Ridho Hikmawan Ridho Hikmawan Rina Maharany Ritna Wahyuni Roby Maulana Saddam Al Ghazali Sandy Simangunsong Sandy Simangunsong Satria Abdiansyah Sayurandi Silalahi, Samuel Maruli Syarifah Aini Pasaribu Tifany Zia Aznur Tuty Ningsih Wagino Wagino Wagino Wagino, Wagino Wildani Yoemas Brillian Tarigan Yundari, Yundari