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A Middle Plain Area Adaptable, Multiple Disease Resistant, Medium Maturing Rice ‘Cheongpum’
중부지역 적응 중생 복합내병성 고품질 벼 ‘청품’
Korean J Breed Sci 2018;50(3):261-267
Published online September 1, 2018
© 2018 Korean Society of Breeding Science.

Yong-Jae Won1, Jeong-Heui Lee1, Chang-Ihn Yang1, Myeong-Ki Kim1, Jae-Ki Chang2, Young-Chan Cho1, Sang-Bok Lee1, Jeom-Ho Lee1, Eok-Keun Ahn1, Jung-Pil Suh1, Kuk-Hyun Jung1, Yong-Hee Jeon1, Ung-Jo Hyun1, Eung-Gi Jeong1*, Woon-Goo Ha1, Jeong-Ju Kim1, Sea-Kwan Oh1, Yong-Hwan Choi1, Kyeong-Ho Kang1, Nak-Sig Sung1, and Bo-Kyeong Kim1
원용재1, 이정희1, 양창인1, 김명기1, 장재기2, 조영찬1, 이상복1, 이점호1, 안억근1, 서정필1, 정국현1, 전용희1, 현웅조1, 정응기1*, 하운구1, 김정주1, 오세관1, 최용환1, 강경호1, 성낙식1, 김보경1

1National Institute of Crop Science, RDA, Wanju 565-851, Republic of Korea
2National Institute of Horticultural and Herbal Science, RDA, Wanju 55365, Republic of Korea
1농촌진흥청 국립식량과학원, 2농촌진흥청 국립원예특작과학원
Correspondence to: (E-mail: egjeong@korea.kr, Tel: +82-31-695-4022, Fax: +82-31-695-4029)
Received April 27, 2018; Accepted June 7, 2018.
This is an Open-Access article distributed under the terms of the Creative Commons Attribution Non-Commercial License (http://creativecommons.org/licenses/by-nc/3.0) which permits unrestricted non-commercial use, distribution, and reproduction in any medium, provided the original work is properly cited.
Abstract
‘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).
Keywords : Rice, Medium maturing, Multi-disease resistance, Excelente eating quality, Cheongpum


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