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"fissuring resistance"

New Cultivar Developed
동할미 발생이 적은 고품질 중만생종 벼 ‘영진’
Youngjin: A Rice Variety with Low Cracked Kernels, Mid-late Maturation, and Good Eating Quality
Jong-Hee Lee, Jun-Hyeon Cho, Ji-Yoon Lee, You-Chun Song, Dong-Soo Park, Dongjin Shin, So-Myeong Lee
Korean. J. Breed. Sci. 2021;53(1):77-82.
Published online March 1, 2021
DOI: https://doi.org/10.9787/KJBS.2021.53.1.77

The rice variety ‘Youngjin’ is a japonica rice (Oryza sativa L.) with good eating quality, lodging tolerance, and resistance to the rice stripe virus (RSV) and bacterial blight disease (BB). It was developed by the rice breeding team of the Department of Southern Crop, NICS, RDA, in 2016. This variety was derived from a three-way cross between ‘Iksan486’, ‘YR22722-B-B-B-25-1’, and ‘Chengmu,’ with good eating quality, in the summer of 2007. The pedigree of ‘Youngjin’ was YR27874Acp46-1, and was designated as ‘Miyang283’ in 2012. After local adaptability tests at five different locations from 2014 to 2016, it was released under the name ‘Youngjin’ in 2016. ‘Youngjin’ is a mid-late maturing ecotype with a short culm length of 67 cm. This variety was found to be resistant to the K1, K2, and K3 races of BB, and RSV, and moderately resistant to leaf blast disease. The milled rice kernels of ‘Youngjin’ were translucent and clear, without white core and belly, and had good eating quality, according to a panel test. This variety showed a lower percentage of cracked kernels compared to other susceptible cultivars. The milled rice yield of ‘Youngjin’ was 568 kg/10a, under normal levels of fertilization, determined by the local adaptability tests. This cultivar is adaptable to the Yeongnam plain area (Registration No. 7653).

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