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Nugraha, Yudhistira
Indonesian Center for Rice Research Jl. Raya 9 Sukamandi Subang Jawa Barat
Agriculture, Biological Sciences & Forestry

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Perakitan Varietas Unggul Padi Beras Merah Aromatik Tekstur Nasi Pulen Nugraha, Yudhistira; Rumanti, Indrastuti Apri; Sitaresmi, Trias; Rahmini, Rahmini; Rosa, Celvia; Handoko, Dody D; Sasmita, Priatna
Jurnal Penelitian Pertanian Tanaman Pangan Vol 5, No 3 (2021): Desember 2021
Publisher : Pusat Penelitian dan Pengembangan Tanaman Pangan

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.21082/jpptp.v5n3.2021.p173-182

Abstract

Consumption of high nutritional is increasing; therefore, it is necessary to develop pigmented trice variety with high yield, good adaptability, and good grain quality favored by consumer such as soft texture. The development of aromatic rice variety includes crossbreeding, selection, yield trials, resistance test to pest and diseases, physico-chemical properties assay, analyzing of minerals contents and anthocyanin which were done consecutively during 2012 to 2016. The results showed that a promising line of BH39D-MR-11-1-1-6 revealed consistent grain yield in 16 multi-location yield trials both in the dry season and the wet season in average 6.78 t/ha dan 5.35 t/ha, respectively. The line demonstrated its yield potential of 10,67 t/ha, mid-resistance to biotype 1 of brown planthopper, resistance to pathotype III and mid-resistance to pathotype IV and VIII of bacterial leaf blight, and mid-resistance to four races of rice blast (race of 033, 073, 133 and 173). This line had relatively comparable iron content with the check variety of Inpari-5 Merawu but higher in zinc content compared to other lines tested. The dehulled rice was red and contains a high total phenolic compound amounting (5,743 mg AAE/100 g), and its texture was soft and fragrance. The BH39D-MR-11-1-1-6 has been released as new rice variety named as Inpari Arumba and had a great potential to become a national specialty rice choice.
Responses of Selected Indonesian Rice Varieties under Excess Iron Condition in Media Culture at Seedling Stage Nugraha, Yudhistira; Ardie, Sintho Wahyuning; Rumanti, Indrastuti A.; Suwarno, Suwarno; Ghulammahdi, Munif; Aswidinnoor, Hajrial
Jurnal Penelitian Pertanian Tanaman Pangan Vol 35, No 3 (2016): Desember 2016
Publisher : Pusat Penelitian dan Pengembangan Tanaman Pangan

Show Abstract | Download Original | Original Source | Check in Google Scholar | Full PDF (270.692 KB) | DOI: 10.21082/jpptp.v35n3.2016.p181-190

Abstract

Iron toxicity could limit rice productivity on irrigated lowland acid and swampy soil. The use of iron toxicity tolerant rice is an alternative strategy to improve rice productivity in these areas. We studied the phenotypic variation of twenty-four rice genotypes and characterized the fate of Fe2+ along its path between the roots and shoot of rice plant. Twenty-four rice genotypes form different agro-ecosystem were grown under agar nutrient solution conditions with 400 mg. L-1 iron stress and under normal condition. We found variation in the biomass accumulation of rice seedling during stress of iron namely, high accumulated biomass tolerant type and low accumulate biomass tolerant type. The relative biomass weight was highly correlated with the leaf bronzing scores (LBS) under excess iron. Based on these categorizations, we chose six genotypes to observe the present of Fe in root and shoot using invivo-staining 2,2 bypiridine. The result indicated that some genotypes were able to develop root and shoot aerenchym during iron stress. This was related to the development on root iron plaque and the iron content of the shoot of the rice seedling. In this present study, rice genotypes could be classified as the includer tolerant type (Inpara 2) and some others were the excluder tolerant type (Mahsuri, Pokkali and Siam Saba). This information on tolerance strategies is important for rice breeder to develop physiological-based breeding program of iron-toxicity tolerant in rice.
Co-Authors Ghulammahdi, Munif HAJRIAL ASWIDINNOOR Handoko, Dody D Indrastuti Apri Rumanti Priatna Sasmita Rahmini Rahmini, Rahmini Rosa, Celvia Rumanti, Indrastuti A. Sintho Wahyuning Ardie Suwarno, Suwarno Trias Sitaresmi