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All Journal JURNAL AGROTEKNOLOGI Jurnal Pertanian Agros Jurnal Hilirisasi IPTEKS (JHI) Jurnal Abdi Insani Indonesian Journal of Forestry Research
Sari, Afrima
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Journal : JURNAL AGROTEKNOLOGI

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HUBUNGAN POSISI APOKOL DALAM PERKECAMBAHAN AREN (Arenga pinnata Merr.) DENGAN PERTUMBUHAN KECAMBAH DAN KERAGAMAN GENETIK Anwar, Aswaldi; Dwipa, Indra; Hervani, Dini; Sari, Afrima
Jurnal Agroteknologi Vol 14, No 2 (2024): Februari 2024
Publisher : Universitas Islam Negeri Sultan Syarif Kasim Riau

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.24014/ja.v14i2.21882

Abstract

Sugar palm seed germination does indicate by the appearance of a tissue that extends like a sponge called apokol which is penetrating the hard seed coat and can occur in several positions in germinated sugar palm seeds. No research reports discuss the relationship between this apokol position and the phenology of sugar palm seed germination. This research aims to study the relationship between apokol position and the growth of sugar palm seedlings and their genetic diversity. The research applies Experiment in Completely Random Design with four treatments, each repeated five times. The four treatments are the apokol position, namely A: Apokol in right-center, B: Apokol in left-center, C: Apokol in left-bottom, and D: Apokol in right-bottom. The results showed that the fastest time for the coleoptile emergence was 40 days after transplanting in the right-center apokol position. Morphologically, there was no significant difference in the sugar palm seedling growth with each apokol position. On the other hand, we found that there were genetic diversities among them revealed by Simple Sequence Repeat (SSR) markers. The palm seeds with the right-center apokol position included the first cluster, and the second cluster consisted of left-center apokol, right- bottom apokol, and left-bottom apokol.
PENGARUH PEMBERIAN BEBERAPA KONSENTRASI EKSTRAK RUMPUT LAUT TERHADAP PERTUMBUHAN DAN HASIL TANAMAN PADI (Oryza sativa L.) METODE SRI Ramadhani, Hanadiya; Rozen, Nalwida; Sari, Afrima
Jurnal Agroteknologi Vol 16, No 2 (2026): Februari 2026
Publisher : Universitas Islam Negeri Sultan Syarif Kasim Riau

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.24014/ja.v16i2.38742

Abstract

Indonesia's high rice consumption, with a population of 284.4 million, stands in contrast to the national production levels in 2024. Based on data from that year, total annual rice production reached only approximately 29.80 million tons, which was insufficient to meet domestic demand. This shortfall occurred as paddy production in 2024 declined to 53.14 million tons (dry harvested grain), a 2.43% decrease compared to the 53.98 million tons produced in 2023. The environmentally friendly System of Rice Intensification (SRI) can enhance productivity by up to 50%. Indonesia's rich marine biodiversity, particularly seaweed, can serve as a biostimulant through extraction. Biostimulants contain compounds and microorganisms that enhance nutrient use efficiency in plants. This study aimed to evaluate the effects of seaweed extract concentrations on the growth and yield of rice and to assess its potential as a natural biostimulant for sustainable rice productivity, supporting organic farming. The study was conducted from June to October 2025 in rice fields at Koto Luar, Pauh, Padang. A Randomized Block Design (RBD) with one factor seaweed extract concentrations at 0%, 0.4%, 0.8%, 1.2%, and 1.6%. The data was analysed with analysis of variance at a 5% significance level and mean comparison of the Duncan’s New Multiple Range Test (DMRT) via STAR® (Statistical Tool for Agricultural Research). The research results showed that the seaweed extract at the 1.6% concentration was the best treatment effected of plant growth, yield components and crop yield of rice. The findings recommend increasing seaweed extract concentrations to enhance rice growth and yield.
Co-Authors Anwar, Aswaldi Aprizal Zainal Daulay, Azri Gilang Ramadhan Hayati, PK Dewi Hervani, Dini Indra Dwipa Lukito, Chandra Mashel, Fala Adifki Muhammad Parikesit Wisnubroto MUHSANATI, MUHSANATI Nalwida Rozen Nasution, Rizki Nia Sukri Nika Rahma Yanti Obel, Obel Pahlevi, Ilhan Pasha, Fadhil Kemal Prawinata, Pagil Rachmad Hersi Martinsyah Rahman, Atzim Baitur Ramadhan, Nugraha Ramadhani, Hanadiya Ronaldi, Ronaldi Utama, Syahrul Zuldadan Naspendra