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All Journal Tropicrops : Indonesian Journal of Tropical Crops
Endah Sri Rejeki
Universitas Muhammadiyah Gresik
Agriculture, Biological Sciences & Forestry

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GENETIC DIVERSITY BASED ON GROWTH VARIABLES OF THREE BAMBARA GROUNDNUT LANDRACES (Vigna subterranea (L.) VERDCOURT) Endah Sri Rejeki; Suhaili Suhaili; Rahmad Jumadi; R. Agustina; W. Lailiyah; setyo budi
TROPICROPS (Indonesian Journal of Tropical Crops) Vol 3 No 2 (2020)
Publisher : Universitas Muhammadiyah Gresik

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.30587/tropicrops.v3i2.1808

Abstract

Bambara groundnut has competitive nutritional value such as 49–63.5% carbohydrate, 15–25% protein, and 4.5–7.4% fat. There is not available yet a superior variety. Bambara Groundnut Research Centre has been working intensively to select the candidates of superior variety. Three of bambara groundnut pure lines of BGRC seed collection, including Gresik (Gresik), GHC (Gresik) and S19-3 (Namibia) assessed based on their growth traits, including germination rate, number of leaves, plant height (cm), length of petiole (cm), length of internode (cm), growth type, 1st flowering (das) and 50% of flowering (das) in the Gresik field 5 m above sea level, with Random Complete Block Design experiment, three replicates. Analysis of means (ANOM) calculated to test differences between landraces in particular traits. Heritability of three pure lines calculated based on Mean Square Estimated of Analysis of Variance (ANOVA), as well as coefficient correlation, using Minitab 18. The result showed that S19-3 as an introduced landrace from Namibia has traits similarity to the two landraces, namely GHC and Gresik except days to 50% flowering time. Analysis of means shows that S19-3 has days to 50% flowering early compare to the others. The trait of 50% flowering time (dap) also shows a high heritability (0.58). First flowering time has a significant correlation with 50% flowering time in positive direction.
SELEKSI BERDASARKAN WARNA KULIT BIJI TERHADAP HASIL TANAMAN KACANG BAMBARA (Vigna subterranea (L.) VERDCOURT) ASAL SUKABUMI DI LAHAN GRESIK Untung Priyanto; Endah Sri Rejeki
TROPICROPS (Indonesian Journal of Tropical Crops) Vol 3 No 2 (2020)
Publisher : Universitas Muhammadiyah Gresik

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.30587/tropicrops.v3i2.1839

Abstract

Gresik merupakan sentra pertanaman kacang bambara di Jawa Timur yang dikenal secara salah kaprah sebagai ‘kacang kapri’. Kandungan nutrisi sangat kompetitif, karbohidrat sekitar 60%, protein 22% dan lemak hanya 1%. Permasalahan kacang bambara di Gresik, hasil biji kering masih rendah, kurang dari 1 ton. ha-1. Peningkatan hasil tanaman kacang bambara menjadi tujuan penelitian ini melalui introduksi galur Sukabumi yang diseleksi berdasarkan warna kulit biji (testa). Rancangan Acak Kelompok (RAK) faktor tunggal, yaitu warna testa (G1= warna coklat, G2=hitam dan G3=merah) diulang tiga kali. Pengamatan dilakukan pada variabel komponen hasil, yaitu bobot brangkasan, jumlah polong/tanaman, bobot basah dan kering polong/tanaman, jumlah biji/tanaman, bobot kering biji/tanaman, bobot 100 biji, jumlah biji warna coklat, hitam dan merah. Taksiran nilai kuadrat tengah digunakan untuk menghitung nilai heritabilitas dalam arti luas (H2). Uji korelasi digunakan untuk mengetahui keeratan hubungan dua atau lebih variabel yang diukur. Hasil penelitian menunjukkan nilai heritabilitas (H2) sedang pada karakter bobot 100 biji (0.4) dan tinggi pada jumlah biji berdasarkan warna (0.99). Bobot 100 biji mempunyai korelasi nyata dengan variabel lebar tajuk, bobot biomass, jumlah polong dan biji per tanaman, bobot basah dan kering polong per tanaman.
Co-Authors R. Agustina Rahmad Jumadi Setyo Budi Suhaili Suhaili Untung Priyanto W. Lailiyah