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All Journal Jurnal Agronomi Indonesia (Indonesian Journal of Agronomy) Jurnal Ilmu Pertanian Indonesia
Bayu Pramono Wibowo
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Agriculture, Biological Sciences & Forestry Economics, Econometrics & Finance

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Korelasi dan Sidik Lintas Karakter Agronomi Padi Hibrida Nita Kartina; Bayu Pramono Wibowo; Yuni Widyastuti; Indrastuti Apri Rumanti; . Satoto
Jurnal Ilmu Pertanian Indonesia Vol. 21 No. 2 (2016): Jurnal Ilmu Pertanian Indonesia
Publisher : Institut Pertanian Bogor

Show Abstract | Download Original | Original Source | Check in Google Scholar | Full PDF (281.951 KB) | DOI: 10.18343/jipi.21.2.76

Abstract

Two approachment to increase yield productivity with new variety throught new plant type (NPT) concept and heterosis exploitation of hybrid rice. The research was to evaluated yield and yield component of 36 hybrid rice genotypes in preliminary yield trial at two locations. The experiment was conducted in the second season MT (II) 2013 at the Sukamandi experimentalstation, Subang, West JavaProvince and in Batang, Central Java Province by usingRandomized Complete Block Design (RCBD). The material used were36hybrid rice genotypes and four check varieties namely Hipa8, Hipa Jatim2,Ciherang, and Longping Optima. The results showed that grain yield had been effected by location, genotypes, and both interactions. There were two hybrid rice genotypes that give high yield potential than four check varieties, and one hybrid rice genotype significantly different from Longping Optima. Those hybrids were GMJ6/CRS519 (9.9 t/ha) and GMJ14/CRS757 (9.5 t/ha), and A1/CRS518 (6.2 t/ha). Based on path analysisnumber of productive tiller and number of total grain per panicle have direct effect to yield with path coefficient as 0.4028 and 0.2153. Length panicle and seed set also gave positif and significant direct effect to yield as 0.095 and 0.0956, so these characteristics could be used as selection criteria. 
Potensi Hasil Benih Padi Hibrida pada Tiga Galur CMS dengan Sumber Sitoplasma yang Berbeda Bayu Pramono Wibowo; Bambang Sapta Purwoko; Willy Bayuardi Suwarno; Indrastuti Apri Rumanti
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 (418.914 KB) | DOI: 10.24831/jai.v50i1.39949

Abstract

Padi hibrida F1 dihasilkan dari persilangan antara galur mandul jantan/cytoplasmic male sterile (GMJ/CMS) dan galur pemulih kesuburan (restorer/R). Kalinga dan Gambiaca adalah tipe galur CMS yang berhasil dikembangkan di Indonesia selain tipe Wild Abortive (WA). Penelitian ini bertujuan untuk mempelajari pengaruh tetua betina dengan sumber sitoplasma berbeda terhadap hasil benih padi hibrida pada 30 kombinasi padi hibrida baru. Percobaan dilakukan di BB Padi Subang, Jawa Barat pada MK 2021, menggunakan rancangan faktorial tiga galur CMS disilangkan dengan sepuluh restorer, dimana terdapat sepuluh ulangan untuk CMS dan tiga ulangan untuk restorer. Analisis ragam komponen hasil dan hasil dilakukan terpisah untuk CMS dan restorer mengikuti model linier rancangan faktor tunggal. Rata-rata hasil benih pada CMS GMJ15A tipe Gambiaca (1.03 ton ha-1) setara dengan GMJ12A tipe Wild Abortive (0.85 ton ha-1) dan nyata lebih tinggi dari GMJ14A tipe Kalinga (0.51 ton ha-1), sedangkan restorer terbaik adalah PK90 (1.36 ton ha-1). Tinggi tanaman, jumlah gabah isi per malai, dan tingkat silang alami memiliki korelasi positif dan nyata terhadap hasil benih padi hibrida. Galur CMS tipe sitoplasma Gambiaca dapat menjadi alternatif tetua betina padi hibrida di Indonesia. Kata kunci: pemulih kesuburan, produksi benih, silang alami
Co-Authors . Satoto Bambang Sapta Purwoko Indrastuti Apri Rumanti Nita Kartina Willy Bayuardi Suwarno Yuni Widyastuti