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PENDUGAAN NILAI KOEFISIEN KERAGAMAN GENETIK DAN KARAKTERISTIK AGRONOMI PADA BEBERAPA KULTIVAR PADI GOGO LOKAL Nurdianti, Irma; Samudin, Sakka; Jeki, Jeki; Mustakim, Mustakim
AGROTEKBIS : JURNAL ILMU PERTANIAN (e-journal) Vol 13 No 5 (2025): Oktober
Publisher : Fakultas Pertanian, Universitas Tadulako

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.22487/agrotekbis.v13i5.2752

Abstract

Padi (Oryza sativa L) merupakan salah satu bahan makanan pokok yang benyak diminati oleh penduduk dunia termasuk Indonesia. Pola konsumsi masyarakat yang masih sangat bergantung pada beras menyebabkan tingginya permintaan beras secara berkelanjutan di Indonesia. Tujuan penelitian ini untuk mengetahui Nilai koefisien keragaman genetik pada beberapa kultivar padi gogo lokal dan untuk mengetahui karakter morfologi yang unggul pada beberapa kultivar padi gogo lokal. Penelitian ini disusun dengan menggunakan rancangan acak kelompok (RAK) dengan tujuh kultivar sebagai perlakuan yang diulang sebanyak empat kali sehingga terdapat tiga pulu dua petak percobaan. Data yang terkumpul akan dianalisis dengan analisis ragam Koefisien keragaman genotip dan fenotip, dan di uji dengan uji BNJ 5%. Hasil penelitian berdasarkan nilai koefisien keragaman genetik menunjukkan nilai koefisien keragaman genetik berkisar antara 2,84% hingga 38,50%. Hampir semua sifat memiliki nilai koefisien keragaman genetik yang rendah kecuali sifat produksi (ton/ha). Terdapat tujuh (7) kultivar padi gogo lokal yang memiliki karakter agronomi yang sangat tinggi antara lain kultivar jahara, delima, pulu tau leru, pulu konta, buncaili, pae bohe dan uva buya.
Increasing Student Learning Motivation Through Audio-Visual Learning Media of Nutritious Food Ingredients in Vlll Class SMPN 8 Banjarbaru Jeki, Jeki; Rakhman, Arie; Putra, Trinaldi Andika
Empiricism Journal Vol. 7 No. 2: June 2026
Publisher : Lembaga Penelitian dan Pemberdayaan Masyarakat (LITPAM)

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.36312/ej.v7i2.5231

Abstract

Although audio-visual media has been widely used to support student engagement, classroom action research that specifically examines its use in PJOK theoretical materials, especially the learning of nutritious foodstuffs with a focus on student learning motivation, is still very limited. This study aims to improve and describe the development of learning motivation of grade VIII students through the use of audio-visual media combined with interactive learning activities in learning nutritious foodstuffs at SMPN 8 Banjarbaru. This research uses Classroom Action Research (PTK) which is carried out in two cycles. The data collection technique used a learning motivation questionnaire (covering six indicators: attention, relevance, confidence, satisfaction, perseverance, and activeness), observation, and documentation. The subject of the study is 25 students in grade VIII of SMP Negeri 8 Banjarbaru even semester of the 2025/2026 academic year. Based on the pre-cycle results, 14 students (56%) were in the low category and 11 students (44%) were in the very low category. In Cycle I, 17 students (68%) were upgraded to the high category and 8 students (32%) were in the low category. In Cycle II, 22 students (88%) were in the very high category and only 3 students (12%) were in the low category. The findings show that the use of audio-visual media combined with interactive learning activities supports increased student learning motivation in learning nutritious foodstuffs in the observed classroom context.