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All Journal Jurnal Agronomi Indonesia (Indonesian Journal of Agronomy) Journal Of Biology Education Research (JBER)
Munarti
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Agriculture, Biological Sciences & Forestry Biochemistry, Genetics & Molecular Biology Economics, Econometrics & Finance Education Environmental Science Immunology & microbiology

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Kendali Genetik Stay Greenness dan Hasil serta Identifikasi Segregan Transgresif pada Empat Populasi F2 Sorgum Munarti; Trikoesoemaningtyas; Muhamad Syukur; Sobir; Wirnas, Desta; Didy Sopandie
Jurnal Agronomi Indonesia (Indonesian Journal of Agronomy) Vol. 50 No. 1 (2022): Jurnal Agronomi Indonesia
Publisher : Indonesia Society of Agronomy (PERAGI) and Department of Agronomy and Horticulture, Faculty of Agriculture, IPB University, Bogor, Indonesia

Show Abstract | Download Original | Original Source | Check in Google Scholar | Full PDF (771.453 KB) | DOI: 10.24831/jai.v50i1.39067

Abstract

Karakter stay greenness pada sorgum berkaitan dengan kemampuan mempertahankan kehijauan daun dan laju fotosintesis pada kondisi cekaman. Penelitian ini bertujuan untuk memperoleh informasi kendali genetik karakter agronomi, stay greenness serta identifikasi segregan transgresif empat populasi F2 sorgum. Penelitian telah dilaksanakan bulan Februari sampai Mei 2020 di Kebun Percobaan IPB University Leuwikopo, Dramaga, Bogor, dengan ketinggian 250 m di atas permukaan laut (dpl). Bahan genetik yang digunakan adalah populasi Numbu x Samurai 2, Kawali x Pahat, Kawali x B69, Super 2 x PI-150-20-A, dan tujuh genotipe tetuanya. Setiap populasi terdiri atas 300 tanaman F2 dan masing-masing tetua sebanyak 60 tanaman. Pendugaan kendali genetik berdasarkan nilai skewness dan kurtosis. Identifikasi segregan transgresif menggunakan karakter terpilih berdasarkan nilai parameter genetik. Hasil penelitian menunjukkan bahwa karakter bobot biji per tanaman dikendalikan banyak gen aditif pada populasi Numbu x Samurai 2 dan Kawali x Pahat, sedangkan karakter stay greenness pada semua populasi dikendalikan banyak gen aditif. Semua karakter yang diamati memiliki nilai heritabilitas arti luas sedang sampai tinggi. Delapan belas individu dari persilangan Kawali x B69 dan Super 2 x PI-150-20-A diduga sebagai segregan transgresif berdasarkan karakter bobot biji per tanaman dan stay greenness. Segregan yang diperoleh digalurkan dengan menerapkan metode pedigree. Kata kunci: aksi gen, aditif, indeks transgresif, keragaman genetik
Effectiveness of Liquid Organic Fertilizer (LOF) from Banana Kepok Peels and Fronds on the Growth and Yield of Pakcoy (Brassica rapa) Maulidina, Windi; Saputri, Dina Dyah; Munarti
Journal Of Biology Education Research (JBER) Vol. 6 No. 2 (2025): JBER (Journal Of Biology Education Research), Vol.6 No.2 (2025)
Publisher : Program Studi Pendidikan Biologi FKIP Universitas Pakuan

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.55215/jber.v6i2.17

Abstract

Pakcoy (Brassica rapa) is one type of vegetables that belongs to the mustard group and is widely consumed by the community. Pakcoy production in 2023 was 686,876 tons. Efforts to increase the amount of pakcoy production can be done with proper fertilization techniques using fertilizers. The use of organic fertilizers is the right solution in overcoming these problems. Organic waste around the community, such as banana kepok peels and fronds can be used as organic fertilizer. The purpose of this research is to obtain information about the effectiveness of Liquid Organic Fertilizer (LOF) of banana kepok peel and fronds on pakcoy growth. This study used an experimental method with a Randomized Group Design (RGD) consisting of 5 LOF treatments and each treatment consisted of 4 replicates, so that the total number of 20 experimental units. The LOF concentrations given are A1 (0%), A2 (10%), A3 (25%), A4 (50%) and A5 (75%). The growth parameters observed were plant height, number of leaves, leaf width and wet weight. The results of data analysis using the ANOVA test showed a significant effect on all treatments. This was followed by a Duncan test to determine which treatments had significantly different averages. It was concluded that the use of LOF with treatment concentration A2 (10%), effectively increased the growth and yield of pakcoy. Thus, it is suitable to be recommended as an alternative fertilizer for pakcoy cultivation.
Co-Authors Desta Wirnas Didy Sopandie Maulidina, Windi Muhamad Syukur Saputri, Dina Dyah Sobir Sobir Trikoesoemaningtyas