Seung-Ho Jeon

Sunchon National University

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Young-Son Cho

Gyeongsang National University

Young-Dae Choi

Rural Development Administration

Jin‐Ho Kang

Seoul National University

Ki-Youl Jung

Rural Development Administration

Byung-Jin Lee

Electronics and Telecommunications Research Institute

Hong-Young Kim

Chang-Young Park

New Technology (Israel)

Eul-Soo Yun

Pusan National University

Chang-Woo Lee

Catholic University of Korea

Ki-Yuol Jung

Cooperative Institutions

Gyeongnam National University of Science and Technology

Rural Development Administration

Gyeongsang National University

Jeonbuk National University

Seoul National University

Chonbuk National University Hospital

Sunchon National University

Institute of Crop Science

Hanyang University

National Institute of Biological Resources

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Determining optimum planting densities for millet and sorghum

한국작물학회 학술발표대회 논문집 (2012)

Ki-Yuol Jung Eul-Soo Yun Chang-Young Park Young-Dae Choi Jae-bok Hwang

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Evaluation of Seed Vigor and Morphology by Varietal Difference of Sorghum (Sorghum bicolor (L.) Moench)

Korean Journal of Crop Science (2014)

Seung-Ho Jeon Dong‐Kyung Yoon Seung-Ka Oh Eun‐Jung Lee Hyoun-Jun Lee

본 연구는 수요와 재배면적이 점차 확대되고 있는 수수의 안정적인 생산을 확립하기 위한 기초자료로 활용하고자 주요 4품종(남풍찰, 동안메, 황금찰, 흰찰)을 이용하여 종자의 형태적 특성과 다양한 종자세 검사 등 종자의 기본적인 특성을 알아보았다. 1. 수수의 형태적 특성에서는 폭을 제외한 장과 두께는 차이가 나타나지 않았으며, 종실형태는 흰찰은 원형, 나머지 품종은 난형의 형상으로 보였다. 종피색에서는 흰찰과 나머지 품종간의 뚜렷한 차이를 보이며, 남풍찰과 황금찰은 무광택 종자이었다. 2. 표준발아검사 및 저온검사는 황금찰>남풍찰>동안메>흰찰 순으로 나타났고, 노화촉진검사에서는 표준발아 검사와 비교시 동안메에서만 15% 이상의 감소를 보였으며, 전기전도율 검사는 표준발아검사, 저온검사 및 노화촉진검사의 발아율과 부의 상관관계를 나타났다. 3. 출현율 평가에서는 황금찰이 가장 높은 85.7%로, 가장 낮은 출현율을 보인 흰찰보다 40% 이상의 차이가 나타났고, 평균 출현율일수에서는 흰찰이 가장 느린 6.0일로 보이며 품종별 뚜렷한 차이가 나타났다. This study was conducted to evaluate basic seed characteristics such as morphological characteristics and various seed vigor using 4 sorghum varieties, Nampungchal, Donganme, Hwanggeumchal and Whinchal. No difference was shown in morphological characteristics of the varieties except that the width. Whinchal has bulb-shaped seed, while the other varieties have oval-shaped seeds. The seed coat color of Whinchal is obviously different from those of the other varieties; especially, Nampungchal and Hwanggeumchal are not glossy. Germination rate were Hwanggeumchal > Nampungchal > Donganme > Whinchal in the order of higher rate in standard germination tests and cold germination test. In the ageing test, Donganme showed the lowest 15% decrease in comparison with the standard cultivar. Electric conductivity (EC) has negative correlation with standard germination tests, cold germination test and accelerated ageing test. In the percentage of emergence (PE), Hwanggeumchal was the highest 85.7% which was more than 40% to the lowest Whinchal. Mean emergence time (MET) showed significant difference between the varieties; Whinchal showed the slowest 6.0 days.

Sorghum bicolor

Coat

Accelerated aging

Bulb

10.7740/kjcs.2014.59.4.457

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Growth and Flowering of Orostachys japonicus A. Berger as Affected by Inflorescence Pinching Time

Korean Journal of Medicinal Crop Science (2007)

Seung-Ho Jeon Chang-Woo Lee Hong-Young Kim Sung-Cheol Shin Jin‐Ho Kang

Floret flowering of a monocarpic plant Orostachys japonicus should be controlled to change its harvest time. The study was done to clarify the effect of pinching time of inflorescence with many florets (Aug. 25, Sept. 8 and 22, Oct. 4) on its growth, morphological characters, and flowering. Night-break treatment of 2 hours at midnight were done since Aug. 25 when afterward samples were taken every 2 weeks to Nov. 4. Growth, morphological and flowering related characters were measured from each sample. Plant height, inflorescence length and number of leaves including bracts showed significant difference between the treatments because they were sharply increased until each pinching time. Stem diameter did nearly same. Leaf and bract, floret, shoot and total dry weights had similar response to the plant height, but stem and root dry ones did similar response to the stem diameter. Most florets were removed by the pinching treatments after formed ones were increased until each pinching time. Few florets were left after the treatment, meaning that night-break treatment after that could be skipped.

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Effect of Eucommia ulmoides Oliver Leaf Extract Concentration on Growth and Morphological Characteristics of Soybean Sprouts

Korean Journal of Medicinal Crop Science (2005)

Jin‐Ho Kang Cheol-Jong Park Soo-Young Yoon Seung-Ho Jeon Hee-Kyu Kim

Natural products has been occasionally used in place of growth regulators to control lateral root formation and growth of soybean sprouts. The study was done to measure the effects of treatment concentration of hard rubber tree (Eucommia ulmoides Oliver) leaf extract on lateral root formation, growth and morphological characters of the sprouts. Seeds of three cultivars, Pungsannamulkong, Sowonkong and Junjery, were imbibed for 5 hours into water, its 5 and 10% solutions immediately before 6 day culture. The cultured sprouts were classified into 4 categories to calculate their composition rates on the base of hypocotyl lengths; >7 cm (A),4 to 7 cm (B),

Eucommia ulmoides

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Effects of Growth and Flowering on Orostachys japonicus A. Berger by Nitrogen Fertilization

Korean Journal of Medicinal Crop Science (2007)

Chang-Woo Lee Seung-Ho Jeon Hong-Young Kim Sung-Cheol Shin Jin‐Ho Kang

Shoot weight of Orostachys japonicus should determine its profitability. The study was carried out to measure the effect of nitrogen (N) fertilization level (0, 5, 10, 20kg/10a) on its growth, morphological characters, and flowering. Night-break treatment of 2 hours at midnight were done since Aug. 25 when afterward samples were taken every 4 weeks to Nov. 16. Growth, morphological and flowering related characters were measured from each sample. Plant height, inflorescence length, number of leaves including bracts and stem diameter were decreased with increased N levels. Leaf and bract, floret, shoot and total dry weights as well as withering rate showed similar response to the above morphological characters. Florets were less formed with increased N levels but were not flowered due to the night-break treatment, meaning that N fertilization had little effect on its growth and anthesis of the florets.

Anthesis

Nitrogen fertilizer

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Washing Effect of Marketing Mungbean Sprouts on Morphological Characters and their Color

Korean Journal of Plant Resources (2008)

Dong-Oh Hong Seung-Ho Jeon Chang-Woo Lee Hong-Young Kim Jin‐Ho Kang

Traditionally mungbean(Vigna radiata L.) sprouts has been eaten soon after washing. The study was carried out to measure the effect of washing before packaging on morphological characters and color of mungbean sprouts. The seeds of cv. Zhong Lu 1 were soaked in 50 ppm BA solution immediately before 4 hour aeration and then cultured for 6 days. The sprouts were washed immediately before packaged with PE envelops or not, and then stored 5 days at . Their morphological characters, fresh and dry weights, and colors were measured everyday. Compared to washed, nonwashed sprouts had more lateral roots although the two sprouts did nearly same in hypocotyl and root lengths, hypocotyl diameter, fresh and dry weights. Non-washed sprouts, moreover, showed higher brightness in hypocotyl and root and cutting resistance in hypocotyl although there were not significant differences in color a and b, meaning that the latter ones were more rapidly changed during their storage. In non-washed sprouts, number of lateral roots, hypocotyl length and diameter, total fresh and dry weights were nearly same up to 3 days and afterward were declined. Brightness and color b of hypocotyl were decreased with increased storage period although cutting resistance of hypocotyl was since 3 days after storage.

Sprouting

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Effects of Planting Density on Growth and Yield in Wide-Row Drill Seeding of Proso millet (Panicum miliaceum L.)

The Korean Journal of Crop Science (2019)

Ki-Youl Jung Young-Dae Choi Hyen-Chung Chun Sang-Hun Lee Seung-Ho Jeon

Panicum miliaceum

Panicum

Panicum virgatum

10.7740/kjcs.2019.64.1.033

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EXAMINATION OF BIOACTIVITIES ACCORDING TO THE EXTRACTION CONDITIONS OF CIRSIUM JAPONICUM VAR. USSURIENSE.

International Journal of Advanced Research (2018)

WooYoung Bang ChiWon Noh Seung-Ho Jeon YeonJo Ha JeongMi Kang

22May 2018 EXAMINATION OF BIOACTIVITIES ACCORDING TO THE EXTRACTION CONDITIONS OF CIRSIUM JAPONICUM VAR. USSURIENSE. Woo Young Bang , Chi Won Noh , Seung-Ho Jeon , Yeon Jo Ha , Jeong Mi Kang , Chae Won Lee , Il-Suk Kim , Tae Wan Kim and Sam Woong Kim. National Institute of Biological Resources (NIBR), Environmental Research Complex, Incheon 22689, South Korea. Gyeongsangnam-do Agricultural Research & Extension Services, Jinju, 52733, South Korea. Department of Agronomy & Medicinal Plant Resources, Gyeongnam National University of Science and Technology, Jinju, 52725, South Korea. Swine Science and Technology Center, Gyeongnam National University of Science & Technology, Jinju 52725, South Korea.

YAK

10.21474/ijar01/7095

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Effects of Seed Specific Gravity by Germination and Seeding Emergence in Proso millet (<i>Panicum miliaceum</i> L.)

Journal of the Korean Society of International Agriculture (2019)

Ki-Youl Jung Young-Dae Choi Hyen-Chung Chun Sang‐Hun Lee Sang-In Shim

Panicum miliaceum

Panicum

10.12719/ksia.2019.31.3.278

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