A New Early-Maturing Rice with Blast, Bacterial Blight, Rice Stripe Virus Resistant and High Grain Quality, Jopyeong
2013
Nam, J.K., RDA, Iksan, Republic of Korea | Ko, J.K., RDA, Iksan, Republic of Korea | Kim, K.Y., RDA, Suwon, Republic of Korea | Kim, B.K., RDA, Iksan, Republic of Korea | Kim, W.J., RDA, Iksan, Republic of Korea | Ha, K.Y., RDA, Iksan, Republic of Korea | Shin, M.S., RDA, Iksan, Republic of Korea | Ko, J.C., RDA, Suwon, Republic of Korea | Kang, H.J., RDA, Iksan, Republic of Korea | Park, H.S., RDA, Iksan, Republic of Korea | Baek, M.K., RDA, Iksan, Republic of Korea | Shin, W.C., RDA, Iksan, Republic of Korea | Mo, Y.J., RDA, Milyang, Republic of Korea | Choi, I.B., RDA, Iksan, Republic of Korea | Kim, Y.D., RDA, Iksan, Republic of Korea | Yang, H.S., RDA, Iksan, Republic of Korea | Kim, J.G., RDA, Milyang, Republic of Korea
Jopyeong is a new japonica rice variety developed from a cross between cold tolerant HR16683-46-3-1 and rice stripe virus and bacterial blight resistant HR18129-B-16-1-4 by the rice breeding team of Department of Rice and Winter Cereal Crop, NICS, RDA in 2010. This cultivar has about 114 days of growth duration from transplanting to harvesting in northern plain, northern and southern mid-mountainous area of Korea. This cultivar is about 67 cm in culm length and tolerant to lodging. Jopyeong was multiple resistance to rice stripe virus, bacterial blight and blast. The milled rice of Jopyeong exhibits translucent, relatively clear non-glutinous endosperm and medium short grain. Compared to Odaebyeo, it has similar amylose content (19.9%), palatability of cooked rice and high protein content (6.5%). The milled rice yield performance of this cultivar was about 5.67 MT/ha in local adaptability test. Jopyeong would be adaptable for ordinary transplanting in northern plain, mid-mountainous and southern mountainous area of Korea.
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