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"Byeong-Ju Kim"

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"Byeong-Ju Kim"

New Cultivar Developed

유전자 보유 키다리병 중도저항성 중만생 최고품질 복합내병성 내도복 다수성 신품종 벼 품종 ‘안평(安平)’
Development of Mid-Late Rice Cultivar ‘Anpyeong’ Harboring qBK1, a Variety Resistant to Bakanae Disease with Premium Eating Quality and Multiple Disease Resistances
Dong-Soo Park, Ji-Yoon Lee, Jun-Hyeon Cho, Jong-Hee Lee, Ju-Won Kang, Sumin Jo, Yeongho Kwon, So-Myeong Lee, Sais-Beul Lee, Sung-Hwan Oh, Dong-Jin Shin, Byeong-Ju Kim
Korean. J. Breed. Sci. 2022;54(2):143-148.
Published online June 1, 2022
DOI: https://doi.org/10.9787/KJBS.2022.54.2.143

Bakanae disease is caused by several species of Fusarium and imposes serious limitations to rice production worldwide. The incidence of this disease is increasing in the top rice-growing countries. No rice variety has been found to be completely resistant to this disease. Thus, higher resistance to the disease may be a cost saving solution preferable to the application of fungicides. ‘Anpyeong’ was derived from the cross between ‘YR24982-9-1’ and ‘Saeilmi’ in 2012 and selected as the promising line, ‘YR30389-B-2GH-103’; it was further selected and designated as ‘Milyang 313’ in 2016. The local adaptability test for ‘Milyang 313’ was conducted at five locations from 2016 to 2018 and the cultivar was named ‘Anpyeong’. The heading date for the medium-late maturing cultivar ‘Anpyeong’ was August 13. The ‘Anpyeong’ culm was 77 cm long and had 115 spikelets per panicle. The brown rice 1,000 grain-weight was 22.2 g, which is higher than that of ‘Nampyeong’. This variety is resistant to blast disease and rice stripe virus, but susceptible to bacterial blight and insect pest. The potential ‘Anpyeong’ yield was approximately 562 kg/10 a at ordinary fertilizer level in the local adaptability test and for three years. ‘Anpyeong’ harboring the qBK1 gene derived from a tongil type rice ‘Shingwang’ is moderately resistant to bakanae disease (Registration No. 8135).

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건식 쌀가루 전용 뽀얀메 ‘한가루’
An Opaque Endosperm Rice Cultivar, ‘Hangaru’, Suitable for Exclusive Dry-Milling Rice Flour Production
Yong-Jae Won, Eok-Keun Ahn, Eung-Gi Jeong, Jae-Ki Chang, Jeong-Heui Lee, Kuk-Hyun Jung, Ung-Jo Hyun, Young-Chan Cho, Sea-Kwan Oh, Mi-Ra Yoon, Bo-Kyeong Kim, Byeong-Ju Kim
Korean. J. Breed. Sci. 2019;51(2):134-139.   Published online June 1, 2019
DOI: https://doi.org/10.9787/KJBS.2019.51.2.134

The ‘Hangaru’ is a rice variety derived from a cross between ‘Seolgaeng’, which is suitable for making rice wine, and ‘Daeripbyeo1’, which has a heavy grain weight (34.8g) and is suitable for deep fried rice, by the rice breeding team at the National Institute of Crop Science, Rural Development Administration, in 2017. The heading date of ‘Hangaru’ was August 18 and was 10 days later than check variety, ‘Hwaseong’, in Suwon. It had a culm length of 79 cm and 102 spikelets per panicle, and showed similar tolerance to ‘Hwaseong’ when exposed to cold stress. ‘Hangaru’ showed medium resistance to blast disease, but susceptibility to bacterial blight, viruses and brown planthoppers. The milled rice of this variety exhibited an opaque and non-glutinous endosperm. The 1,000 grain weight of brown rice was 32.9 g, which was 10.8 g heavier than that of ‘Hwaseong’; the protein content was 7.0% and the amylose content (19.2%) was similar to that of ‘Hwaseong’. The milled rice recovery rate was lower than that of ‘Hwaseong’. However, opaque grain percentage of milled rice was 88.1%. The hardness of the rice grain was soft and the starch granule shape in the endosperm was round, similar to wheat. The average size of rice flour was 71.0 µm and the damaged starch rate was 6.4%. These results showed that this variety could be suitable for dry milling rice flour production. ‘Hangaru’ had a yield of 5.42 MT/ha of milled rice productivity in ordinary cultivation, which was 99% of that of ‘Hwaseong’. ‘Hangaru’ was adaptable to the middle plain area and Mid-west coast of Korea (Registration No. 7270).

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종실과 잎이 매끄러운 중만생 고 바이오매스 사료용 벼 ‘중모1038’
Mid-late Flowering, High Biomass Yielding Whole Crop Silage Rice Cultivar ‘Jungmo1038’ with Glabrous Leaf and Hull
Eok-Keun Ahn, Jeom-Ho Lee, Chang-Ihn Yang, Eung-Gi Jeong, Sang-Bok Lee, Yong-Jae Won, Yong-Hwan Choi, Ji-Young Shon, Young-Seop Shin, Mi-Ra Yoon, Gyu-Sung Lee, Jong-Min Jeong, Jae-Ki Chang, Kuk-Hyun Jung, Yong-Hee Jeon, Jeom-Sik Lee, Ung-Jo Hyun, Ki-Ho Hwang, Young-Jun Mo, Bo-Gyeong Kim, Byeong-Ju Kim
Korean. J. Breed. Sci. 2016;48(3):292-300.   Published online September 30, 2016
DOI: https://doi.org/10.9787/KJBS.2016.48.3.292

‘Jungmo1038', a mid-late maturing, high dry matter yielding rice (Oryza sativa L.) cultivar with glabrous leaf and hull, was developed for whole crop silage (WCS) use. It was derived from a cross between ‘SR24592-HB2319’ with high biomass, smooth leaf and hull and good germinability in low temperature and new plant type (NPT), ‘IR73165-B-6-1-1‘ which had low tillering trait, large panicle, dark green leaf, thick and sturdy stem and vigorous root system. This cultivar had about 125 days growth period from seeding to heading, 99cm culm length, 20cm panicle length, 13 panicles per hill, 119 spikelets per panicle and 1,000-grain weight of 23.3 g as brown rice in central plain region, Suwon. This hairless WCS rice variety was weak to cold stresses similar to ‘Nokyang’ but was resistant to lodging in the field, strong to viviparous germination and good to low temperature germination. In addition, ‘Jungmo1038’ was resistant to leaf and neck blast but susceptible to bacterial blight, rice stripe virus and brown planthopper. Its average dry matter yield for three years reached 17.2 MT/ha, 21% higher than that of ‘Nokyang’. This glabrous cultivar had 6.6% crude protein and 62.4% total digestible nutrients a little low compared to ‘Nokyang’. In Korea peninsular, 'Jungmo1038' grows well in central and southern plain and is good to harvest between 15 to 30 days after heading to improve its feeding value and digestion rate of livestock(Grant No. 5634).

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