A New Mid-late Maturing Rice Cultivar with High-Quality and Multiple Resistance to Diseases and Insects, 'Dacheong'
2010
Kim, W.J., National Institute of Crop Science, RDA, Suwon, Republic of Korea | Ko, J.K., National Institute of Crop Science, RDA, Iksan, Republic of Korea | Ko, J.C., National Institute of Crop Science, RDA, Iksan, Republic of Korea | Nam, J.K., National Institute of Crop Science, RDA, Iksan, Republic of Korea | Ha, K.Y., National Institute of Crop Science, RDA, Iksan, Republic of Korea | Shin, M.S., National Institute of Crop Science, RDA, Iksan, Republic of Korea | Kim, Y.D., National Institute of Crop Science, RDA, Iksan, Republic of Korea | Kim, B.K., National Institute of Crop Science, RDA, Iksan, Republic of Korea | Kang, H.J., National Institute of Crop Science, RDA, Iksan, Republic of Korea | Kim, K.Y., National Institute of Crop Science, RDA, Iksan, Republic of Korea | Baek, M.G., National Institute of Crop Science, RDA, Iksan, Republic of Korea | Park, H.S., National Institute of Crop Science, RDA, Iksan, Republic of Korea | Baek, S.H., National Institute of Crop Science, RDA, Suwon, Republic of Korea | Shin, W.C., National Institute of Crop Science, RDA, Iksan, Republic of Korea | Kim, K.H., National Institute of Crop Science, RDA, Iksan, Republic of Korea | Choung, J.I., National Institute of Crop Science, RDA, Suwon, Republic of Korea | Goo, H.H., National Institute of Crop Science, RDA, Suwon, Republic of Korea | Kim, J.G., National Institute of Crop Science, RDA, Iksan, Republic of Korea
'Dacheong', a new japonica rice variety developed from a cross between Iksan450 having a good eating-quality and multi-disease resistance, and YR21258-GH3 having insect resistance, was developed by the rice breeding team of Department of Rice and Winter Cereal Crop, NICS, RDA in 2008. This variety has about 125 days growth duration from transplanting to harvesting in west-southern coast, Honam and Youngnam plain of Korea. It has 87 cm culm length and tolerance to lodging. In reaction to biotic and abiotic stresses, it shows resistance to blast, bacterial blight pathogen races from K₁ to K₃, stripe virus and brown plant hopper. The milled rice of 'Dacheong' exhibits translucent, relatively clear non-glutinous endosperm and medium short grain. It has slightly lower amylose content of 18.8% and lower protein content of 5.7%, and good palatability of cooked rice compared with Nampyeongbyeo. The milled rice yield performance of this variety is about 5.91 MT/ha in local adaptability test for three years. 'Dacheong' would be adaptable to west-southern coast, Honam and Youngnam plain of Korea.
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