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All Journal Jurnal Penelitian dan Pengembangan Pertanian Jurnal Penelitian Pertanian Tanaman Pangan
Agustiani, Nurwulan
Balai Besar Penelitian Tanaman Padi
Agriculture, Biological Sciences & Forestry Decision Sciences, Operations Research & Management

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Analisis Karakter Agronomi dan Fisiologi Padi pada Kondisi Cekaman Rendaman Stagnan Sujinah, Sujinah; Agustiani, Nurwulan; Rumanti, Indrastuti A.
Jurnal Penelitian Pertanian Tanaman Pangan Vol 4, No 1 (2020): April 2020
Publisher : Pusat Penelitian dan Pengembangan Tanaman Pangan

Show Abstract | Download Original | Original Source | Check in Google Scholar | Full PDF (1231.261 KB) | DOI: 10.21082/jpptp.v4n1.2020.p17-26

Abstract

Stagnant flooding is a condition in swampy area and become constraints which causes decrease yield of rice. Therefore, it is necesarry of varieties that have tolerance to stagnant flooding. The purpose of this research were to analyze of agronomic and physiological characters of rice on stagnant flooding stress. The experiment was conducted at two environmental conditions in wet season of 2017/2018 in Sukamandi Experimental Station, Subang, West Java. A total of 10 genotypes (IR14D157, IRRI 119, IRRI 154, IR14D121, Inpara 3, Inpara 4, Inpara 8, Inpari 30, Tapus, and IR 42) were planted use Randomized Complete Block Design (RCBD) with 4 replicants. Variables consisted of growth (plant height, tillering, green leaves), stem elongation, nonstructural carbohydrate, chloropyll content, stem aerenchyma, yield component, and yield. The result showed that stagnant flooding caused an increase in plant height of 4% , stem elongation, and flowering. In addition, it was observed the decreased of tiller number of 50%, nonstructural carbohydrate, chloropyll content, productive tiller, spikelet number, % filled grain, and yield. Genotype of IR14D121 and Tapus showed the highest productivity, of 4,91 t/ha and 4,45 t/ha at stagnant flooding, at which productivity decreased up to 20% compared to the optimum condition.
Validasi Paket Teknologi Budi Daya Padi (Oryza sativa) Lahan Rawa secara Intensif Sujinah, Sujinah; Agustiani, Nurwulan; Gunawan, Indra; Margaret, Swisci
Jurnal Penelitian Pertanian Tanaman Pangan Vol 4, No 3 (2020): Desember 2020
Publisher : Pusat Penelitian dan Pengembangan Tanaman Pangan

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.21082/jpptp.v4n3.2020.p125-133

Abstract

An intensive swampland rice technology package, dubbed as RAISA, consisted of water and land management, swampland specific variety, population density bio-fertilizer, soil ameliorant, inorganic fertilization, integrated pest management, and use of mechanization. Validation of RAISA’s technology was aimed to determine technology components which significantly affected yield increase. The experiment was conducted at Karang Agung Experimental Station and farmer’s field in Banyuasin, South Sumatera, using a Randomized Complete Block Design with seven treatments and four replications. The treatments consisted of RAISA minus specific variety (P1), RAISA minus optimum plant population (P2), RAISA minus bio-fertilizer (P3), RAISA minus soil ameliorant (P4), RAISA minus inorganic fertilizer (P5), RAISA full package (P6), and farmer’s crop cultivation technique as control (P7). Result showed that the variety affected significantly on plant height, and plant population affected the number of tillers. The RAISA technological package increased rice yield by 41% compared to that of farmer practice. The RAISA technological components that significantly increased rice yield are variety, plant population, and soil ameliorant. RAISA is considered feasible to be applied with an R/C ratio of 1.57-1.97.
PRODUKSI BENIH PADI HIBRIDA: KEMAJUAN, TANTANGAN, DAN PELUANG PENGEMBANGAN DI INDONESIA / Hybrid Rice Seed Production: Progress, Constraints, and Development Opportunities in Indonesia Widyastuti, Yuni; Prabowo, R. Noviadi; Wibowo, Bayu P.; Kartina, Nita; Rumanti, Indrastuti A.; Agustiani, Nurwulan; Mulsanti, Indria W.
Jurnal Penelitian dan Pengembangan Pertanian Vol 41, No 1 (2022): Juni, 2022
Publisher : Badan Penelitian dan Pengembangan Pertanian

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.21082/jp3.v41n1.2022.p12-20

Abstract

Hybrid seed production is the important key in the commercialization and development of hybrid rice. The successful of hybrid rice development through the exploitation of heterosis phenomenon in China encouraged other countries including Indonesia to develop hybrid rice. Research conducted at Indonesian Center for Rice Research (ICRR) indicated that the development of hybrid rice technology offered opportunities for increasing rice yields by 15-20% compared to inbred varieties. The high cost of hybrid seed is one of the constraints in the adoption of hybrid rice technology. This is primarily attributed to the low hybrid seed yield which is around 1-1.5 t/ha. This article introduces the results of research and development especially in hybrid rice seed production based on genetic of parental lines of hybrid and its field management. The constraints and opportunities of hybrid seed industry in Indonesia also discussed in this article.Keywords: Hybrid rice, seed production, progress, constraint, opportunity. AbstrakProduksi benih merupakan kunci penting dalam keberhasilan komersialisasi dan pengembangan padi hibrida. Keberhasilan Cina mengembangkan padi hibrida dengan memanfaatkan fenomena vigor hibrida (heterosis) telah mendorong negara lain termasuk Indonesia untuk mengembangkannya. Hasil Penelitian di Balai Besar Penelitian Tanaman Padi (BB Padi) menunjukkan penggunaan teknologi padi hibrida memberikan peluang peningkatan hasil 15-20% dibandingkan dengan varietas inbrida. Harga benih yang tinggi menjadi salah satu tantangan dalam adopsi padi hibrida. Hal ini disebabkan oleh produksi benih F1 yang hanya berkisar 1-1,5 t/ha. Artikel ini memaparkan hasil penelitian produksi benih padi hibrida, terutama berdasarkan genetik galur tetua hibrida dan teknis budidaya. Kendala dan peluang industri benih padi hibrida, strategi pengembangan produksi benih dan pembangunan industri benih padi hibrida di Indonesia juga merupakan bagian dari diskusi penting dalam artikel ini.Kata kunci: Padi hibrida, produksi benih, kemajuan, tantangan, pengembangan
Co-Authors Gunawan, Indra Kartina, Nita Margaret, Swisci Mulsanti, Indria W. Prabowo, R. Noviadi Rumanti, Indrastuti A. Sujinah, Sujinah Wibowo, Bayu P. Widyastuti, Yuni