A New Variety ‘Jinsang’ with Lodging Tolerant and Low Amylose Content

Hong, Woo Ju; Yoon, Minyoung; Ra, Won-Hee; Park, Jae-Wan; Min, Sun-Kyung; Kwon, Soon-Wook; Cho, Yoo-Hyun; Park, Yong‐Jin

doi:10.9787/kjbs.2014.46.1.103

Korean J. Breed. Sci.

2014

DOI: 10.9787/kjbs.2014.46.1.103

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A New Variety ‘Jinsang’ with Lodging Tolerant and Low Amylose Content

Woo Ju Hong¹,

Minyoung Yoon²,

Won-Hee Ra³

et al.

Abstract: Jinsang' is a new japonica rice variety was derived from a cross between 'Yumetsukushi' as a high grain quality and 'Milky queen' with low amylose content and good eating quality in 2000, and selected by pedigree breeding method until M8 generation. As a result, a promising line, JCH33M-15-1-9-1-5-1-1-1, was advanced and designated as the name of 'HJ-2' in 2009. This variety has about 111 days to heading after sowing and has 75.2 cm culm height. Milled rice of that shows dull and medium short grain and 1,000-g… Show more

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Cited by 7 publications

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Fine-Mapping Analysis of the Genes Associated with Pre-Harvest Sprouting Tolerance in Rice (Oryza sativa L.)

et al. 2023

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Pre-harvest sprouting (PHS) of rice (Oryza sativa L.) causes severe economic problems due to reduced grain quality and yield. Fine mapping was carried out to identify genes associated with PHS; the detected quantitative trait locus (QTL) was narrowed down to 50 Kbp using F3:4 populations, four polymorphic insertion and deletion (InDel) markers, and two cleaved amplified polymorphic sequence (CAPS) markers. In one region, five candidate genes were detected, and the SNP and InDel in each gene (Os01g0111400 and Os01g0111600) were confirmed to show the differences and resulting amino acid changes between parent plants. Based on haplotype, expression, and co-segregation analysis, the InDel in Os01g0111600 was confirmed to be associated with the PHS trait. The results of this study could be applied to improve the PHS tolerance of Japonica rice varieties, and they also improved our understanding of the genetic basis underlying PHS tolerance.

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Fine-Mapping Analysis of the Genes Associated with Pre-Harvest Sprouting Tolerance in Rice (Oryza sativa L.)

et al. 2023

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Late-Maturing, Low Amylose Rice Variety Jinsang 2 with a Medium to Short Culm

Lee

Park

Jang

et al. 2018

Korean J. Breed. Sci.

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The Jinsang 2 cultivar is a new late-maturing, low amylose rice variety with a medium to short culm created by the Seedpia Inc. breeding company in 2012. This variety was derived from a cross between Junam, a high-yield and lodging tolerant source, and DM3-8-72-9, which was derived from a cross between Donjinchal and Milkyqueen, with a low amylose content and superior agronomic traits. A general single seed descent method was applied to develop Jinsang 2 in the F3-F4 generations. During the F5-F8 generations, the breeding lines were selected through a pedigree breeding method. A promising line, JS6-B-52-8-3-5-1-B-B-B, was selected and named HJ-6 in 2011. This variety headed on the 25 th of August, which was 14 days later than Hwayoung. The culm and panicle length of the variety was 71.6 cm and 19.9 cm, respectively. The milled rice from the variety had a dull and medium-to short-grain, and the 1,000-grain weight was around 20.0 g. It had a low amylose content of 12.2% and a low protein content of 6.8%. The yield performance of Jinsang 2 milled rice was about 5.36 MT/ha from the ordinary culture replicated yield trial test.

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An Early Maturing and Low Amylose Rice Variety ‘Gawagi1’ Adaptable to the Northern Regions of Gyeonggido Province, South Korea

Won

Lee

Jang

et al. 2019

Korean J. Breed. Sci.

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Gawagi1' is an early maturing, low amylose rice variety with a medium to short culm, developed by Gyeonggi-Do Agricultural Research & Extension Services, Hwaseong, Korea in 2016. 'Gawagi1' was derived from the cross between 'Baegjinju' and 'Sangmibyeo' in 2004. Heading date was 4th of August 15 day earlier than 'Baegjinju' in Gyeonggido. The culm length was 67 cm. It had 15 panicles per hill and 104 spikelets per panicle. It is a medium-grain variety whose 1,000 grains weight of brown rice is 19.3 g. The protein content of milled rice was 6.3%, which is higher than that of 'Baegjinju' and its amylose content was 8.2% which is lower than that of 'Baegjinju'. Its milling ratio is 75.5%, which is higher than that of 'Baegjinju'. The yield of milled rice was 4.99 MT/ha under the standard cultivation practices at the local adaptability tests in 3 regions from 2014 to 2016. 'Gawagi1' is highly adaptable to Gyeonggido, especially to the northern region of Han River. (Registration No. 7280)

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A New Variety ‘Jinsang’ with Lodging Tolerant and Low Amylose Content

Cited by 7 publications

References 0 publications

Fine-Mapping Analysis of the Genes Associated with Pre-Harvest Sprouting Tolerance in Rice (Oryza sativa L.)

Fine-Mapping Analysis of the Genes Associated with Pre-Harvest Sprouting Tolerance in Rice (Oryza sativa L.)

Late-Maturing, Low Amylose Rice Variety Jinsang 2 with a Medium to Short Culm

An Early Maturing and Low Amylose Rice Variety ‘Gawagi1’ Adaptable to the Northern Regions of Gyeonggido Province, South Korea

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