A Middle Plain Area Adaptable, Multiple Disease Resistant, Medium Maturing Rice 'Cheongpum'
2018
Won, Y.J., National Institute of Crop Science, RDA, Wanju, Republic of Korea | Lee, J.H., National Institute of Crop Science, RDA, Wanju, Republic of Korea | Yang, C.I., National Institute of Crop Science, RDA, Wanju, Republic of Korea | Kim, M.K., National Institute of Crop Science, RDA, Wanju, Republic of Korea | Chang, J.K., National Institute of Horticultural and Herbal Science, RDA, Wanju, Republic of Korea | Cho, Y.C., National Institute of Crop Science, RDA, Wanju, Republic of Korea | Lee, S.B., National Institute of Crop Science, RDA, Wanju, Republic of Korea | Lee, J.H., National Institute of Crop Science, RDA, Wanju, Republic of Korea | Ahn, E.K., National Institute of Crop Science, RDA, Wanju | Suh, J.P., National Institute of Crop Science, RDA, Wanju | Jung, K.H., National Institute of Crop Science, RDA, Wanju | Jeon, Y.H., National Institute of Crop Science, RDA, Wanju | Hyun, U.J., National Institute of Crop Science, RDA, Wanju | Jeong, E.G., National Institute of Crop Science, RDA, Wanju | Ha, W.G., National Institute of Crop Science, RDA, Wanju | Kim, J.J., National Institute of Crop Science, RDA, Wanju | Oh, S.K., National Institute of Crop Science, RDA, Wanju | Choi, Y.H., National Institute of Crop Science, RDA, Wanju | Kang, K.H., National Institute of Crop Science, RDA, Wanju | Sung, N.S., National Institute of Crop Science, RDA, Wanju | Sung, B.K., National Institute of Crop Science, RDA, Wanju
'Cheongpum', a japonica rice variety, was developed from a cross between Yeongdeog45 and 'Samkwang' by the rice breeding team at NICS in 2015. The heading date of 'Cheongpum' was August 10 in the middle plain area, which was two days later than that of 'Hwaseong'. 'Cheongpum' had a culm length of 79 cm, which was 5 cm shorter than that of 'Hwaseong', and 116 spikelets per panicle. The viviparous germination rate of 'Cheongpum' was 27.9%. It showed resistance to blast, bacterial blight (K1, K2, K3 race), and stripe virus, but susceptibility to the K3a race of bacterial blight, dwarf, and black streak dwarf viruses, and plant hoppers. The milled rice of this variety exhibited a translucent and medium short grain shape. The cooked rice grains of 'Cheongpum' had an excellent palatability index (0.41) and lower amylose content (18.8%) than that of 'Hwaseong'. The grain milling characteristics were better than those of 'Hwaseong', especially the head rice milling recovery ratio and head rice ratio (94.1%). 'Cheongpum' showed 5.36 MT/ha of milled rice productivity at 11 sites under ordinary cultivation (Registration No. 6799).
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