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"JungHeon Han"

New Cultivar Developed
지역특화 찰옥수수 ‘아라리찰’ 육성
Breeding of A Region-Specific Waxy Corn ‘Ararichal’
JungHeon Han, JaeKeun Choi, Heesun Noh, Min Namgung, Seunghyun Wang, Hyelim Choi, SiHwan Ryu, Kijin Park
Korean. J. Breed. Sci. 2026;58(2):255-262.   Published online June 1, 2026
DOI: https://doi.org/10.9787/KJBS.2026.58.2.255
Here, we report the breeding of a region-specific waxy corn, ‘Ararichal, ’ which contains anthocyanins. ‘Ararichal’ was produced by crossing two inbred lines, HW12 as seed parent and 16CLP39 as pollen parent. The hybrid was made in 2018 and has been evaluated for two years in Hongcheon, Yeongwol, and Inje since 2021. Days to silking of ‘Ararichal’ were 73 days, 3 days earlier than the standard variety ‘Cheongchunchal.’ The number of ears and weight of fresh ears was 3% and 49% higher than those of ‘Cheongchunchal,’ respectively. The lodging index was 1, indicating a stronger lodging tolerance than ‘Cheongchunchal.’ Resistance to southern and northern leaf blight was similar to that of the standard variety, confirming its cultivation stability. In a regional adaptability test for Jeongseon, ‘Ararichal’ showed the highest marketable yield of 801 kg/10a with a 97% marketable ear ratio, demonstrating excellent yield potential and regional adaptability. Based on the results of the two-year trial, ‘Ararichal’ was recommended for cultivation in Gangwon Province, particularly in Jeongseon, as a superior region-specific variety. The plant variety protection rights of ‘Ararichal’ were registered in December 2024 under grant number 10365.
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안토시아닌 함유 얼룩찰옥수수 ‘미현찰’
Anthocyanin-containing Bicolor Waxy Corn, ‘Mihyeonchal’
JungHeon Han, SiHwan Ryu, JaeKeun Choi, HeeYeon Kim, Moonjong Kim, Woosik Yong, Min Namgung, Kijin Park
Korean. J. Breed. Sci. 2024;56(4):533-539.
Published online December 1, 2024
DOI: https://doi.org/10.9787/KJBS.2024.56.4.533

Here, we report on the development of a high-quality, bicolor waxy corn, ‘Mihyeonchal’, containing anthocyanin. ‘Mihyeonchal’ was produced by crossing the two inbred lines, HW18 as the seed parent and HW19 as the pollen parent. The hybrid was made in 2016 and has been evaluated for three years in Hongcheon, Yeoncheon, Cheongju, Daegu, Jinju, and Suwon in Korea since 2017. The days to silking of ‘Mihyeonchal’ was 72 days, which was three days earlier than that of the standard variety, ‘Ilmichal’. The number and weight of fresh ears of ‘Mihyeonchal’ were 112% and 96%, respectively, compared to those of ‘Ilmichal’, and the anthocyanin content was 76.8 mg/kg, which was higher than that of ‘Ilmichal’. The lodging index was 1.9, which was weaker than that of ‘Ilmichal’, but its resistance to insects and diseases was stronger than that of ‘Ilmichal’, confirming the cultivation stability of ‘Mihyeonchal’. As a result of regional yield trials that had been conducted for three years, we confirmed that ‘Mihyeonchal’ could be cultivated in all regions in Korea and was an excellence variety. The plant variety protection right of ‘Mihyeonchal’ was registered in April 2024, and its grant number is 10127.

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