Characterization And Evaluation Of Appearance Rice (Oryza Sativa L.) Local East Timor And Rice Indonesia

Baptista, Abilio Tilman; Damanhuri,; Barunawati, Nunun

doi:10.5281/zenodo.1186605

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“…Rice field areas in Indonesia are reaching 13.84 million ha with a total rice production up to 71.28 million ton and with an average rice yield 5.15 ton/ha [1]. Ciherang rice variety known as superior and high-yielding variety originating from Indonesia that release in year 2000 and cultivate widely in Indonesia with the grain yield almost 10 ton/hectare [2]. Ciherang was developed at the International Rice Research Institute (IRRI), Philippines [3,4] by multiple variety crosses, including IR-64 as the background parent.…”

Section: Introductionmentioning

confidence: 99%

Agronomics, Genomics, Breeding and Intensive Cultivation of Ciherang Rice Variety

Dwiningsih¹,

Alkahtani²

2022

Preprint

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Ciherang rice variety was released in year 2000 and become a superior variety in Indonesia. In a decade, due to the excellent agronomic characteristics and high productivity, Ciherang gradually replace the mega-variety IR-64 and widely cultivate in almost 40% rice production area in Indonesia. In addition to its high grain yield, short straw, early maturity, and high productive tiller number, it had superior grain quality, such as long and slender grain shape, clean yellow color, aromatic, and high milled rice percentage with excellent eating quality, matching with farmers and rice consumers demands. It has intermediate glycemic index and delicious taste. It is intolerance to flooding condition and susceptible to several diseases and pests, including rice blast, bacterial blight, brown planthopper, and yellow stem borer. Because of Ciherang has been well-characterized genetically, many quantitative trait loci (QTLs) and candidate genes which associated with certain traits have been identified. It has also been used as a parent in rice breeding program to develop mapping populations for genetic analysis. In order to increase the flooding tolerant and disease resistant in Ciherang, many valuable genes have been introduced into Ciherang through backcrossing breeding technique and transgenic approach. The optimal rice productivity in Ciherang also supported by the application of intensification system in Ciherang cultivation. Unravelling the complex genetic control of agronomic characteristics, grain yield traits, and other desirable traits which valuable for rice farmers and consumers are very important.

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Section: Introductionmentioning

confidence: 99%