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유홍섭(Hong Seob Yu),성낙술(Nak Sul Seong),박춘근(Chun Geon Park),김영국(Young Guk Kim),박충현(Chung Heon Park),박희운(Hee Woon Park),이봉호(Bong Ho Lee),권오혼(Oh Heun Kwon) 한국약용작물학회 2002 한국약용작물학회지 Vol.10 No.5
Korean angelica(Angelica gigas Nakai), a oriental medicinal plants is important and in great demand in Korea. This crop is a biennial which is to die after flower, so as could not harvest the root. A new variety Anpung was developed from the selection of the local collecting population by medicinal crop team at NCES in 2001. This showed stable bolting during its cropping year and have high quality and yield potential. The color is greenish purple in stem and red purple in flower. It was longer in plant height and root length, thicker in root diameter, more leave and latheral roots comparing with the check variety manchu. The dry root was 72 g/plant showing heavier than check variety of 65 g/plant. It showed such low bolting rate s 0.5%, on the other hand 49.3% in landrace when it cultured by transplanting with heating nursery seedlings, and 0∼15% with field nursery seedlings. The dry root yield of the variety was averaged 3,630 ㎏/㏊ out yielding the check variety by 11% at the three regional yield test from 1999 to 2001. Finally, “Anpung” showed higher content of extracts up to 46.3% in “Anpung”and 45% in check variety, decursin and decursinol contents was 3.48% and 2.79%, showing slightly than check variety.
온도, 광, GA₃ 및 저장방법이 참당귀 발아에 미치는 영향
유홍섭(Hong Seob Yu),강병화(Byeung Hoa Kang),임대준(Dae Joon Im),김충국(Chung Guk Kim),김영국(Young Guk Kim),이승택(Seoung Tack Lee),장영희(Yeong Hee Chang) 한국약용작물학회 1995 한국약용작물학회지 Vol.3 No.1
Theses studies were conducted to clarify the germinating characteristics of seed treated with different temperature, light, and Gibberellin(GA₃) to produce the homogeneous seedlings Angelicagigas NAKAI. The results obtained are summarized as follows : Rate and speed of germinating at 25℃ were higher than 15℃ and 20℃ by 87.3% and 68.9% and also the required day for germination at 25℃ was shortest by 14.1 days. Germination rate at the light condition was 90.7% and that at the dark was 65.7%. Germinating ability of seed stored at 4℃ and -10℃ for 165 days as dried states was 92.0% and 91.3% while that at room temperature was 50.3%, but the longer storage of seed than 165 days decreased the ability. Gibberellin treatment by 10ppm to seed stored at 4℃ and by 6ppm to seed stored at -10℃ increased the germination rate more by 20.9% and 31.7% than nontreated seed.
참당귀 꽃대발생 년차에 따른 종자의 발아 및 묘생육 특성
유홍섭(Hong Seob Yu),이승택(Seung Tack Lee),장영희(Yeong Hee Chang),김관수(Kwan Su Kim),김영국(Young Guk Kim) 한국약용작물학회 1996 한국약용작물학회지 Vol.4 No.3
To establish appropriate seed production system in Angelica gigas. Germination of seeds with different bolting years and the growth characters of plants originated from these seeds were investigated. Seed weight from 1st year bolting plant was highest. In germinability according to seeds with different bolting years, seeds from 1st year bolting plant were higher than seeds from 2nd. 3rd years bolting one. In growth characters of plants originated from seeds with different bolting years, as the bolting years became late, root growth increased and top growth decreased, therefore T/R ratio decreased.
참당귀묘의 (當歸苗) 생육진전 (生育進展) 양상 및 파종량에 따른 묘생육 특성
유홍섭(Hong Seob Yu),강병화(Byeung Hoa Kang),장영희(Yeong Hee Chang),김충국(Chung Guk Kim),김영국(Young Guk Kim),이승택(Seoung Tack Lee) 한국약용작물학회 1995 한국약용작물학회지 Vol.3 No.2
These experiment were conducted to know the seedling growth pattern and to determine the appropriate seeding amount for producing the small and middle sized uniform seedlings of which known to have low bolting in the cultivation of Angelica gigas. Cotyledons of seedling were emerged by 18 days after seeding and the first and the second leaf appeared at 5.0 days and 9.8 days respectively after the anterior leaf emergence. Leaf development from the 3rd to the 6th in order needs about 13 days respectively after the emergence of anterior leaf. Growth of small and middle sized seedling of which required 60∼87days were 3.0 to 7.0㎜ in root head diameter, 63 to 10.3㎝ in root length, 0.4 to 1.3g in fresh root weight per plant with 3.9 to 5.0 leaves. The highest production ratio of small and middle sized seedlings was showers in 15,000seeds/㎡ of seeding amount as 52.8% respectively.
웅예선숙 식물인 갯기름나물(식방풍)의 개화 특성 및 세대촉진 방법
김진태,조호준,유홍섭,박영상,김지석,정용혁,양태진,Jin Tae Kim,Ho Jun Joh,Hong Seob Yu,Young Sang Park,Ji-Seok Kim,Yong Hyeok Jeong,Tae-Jin Yang 한국자원식물학회 2023 한국자원식물학회지 Vol.36 No.4
본 연구는 갯기름나물의 개화특성 및 수정능력을 파악하여 육종의 기초자료로 이용하고자 수행되었다. 개화기 관찰 결과, 소화서 내 소화들은 바깥쪽에서부터 중앙쪽 방향으로 5일의 시차를 두고 개화하였다. 단일 소화는 웅예선숙형 특성을 가지며 개화와 더불어 화분은 5일간 유지되었고, 자예는 개화후 8일차 부터 발달하여 13일까지 임성을 유지하였다. 화분은 웅예출현 직후 2일째에 활력이 대폭 증가하였지만 하루만에 급감하였다. 동일화서 내 자가수정능력을 확인한 결과, 일부에서 자식성종자를 결실하였고, DNA 마커에 의해 자가수정 개체임이 확인되었다. 개체내 분지는 주경을 기점으로 영양상태에 따라 최대 4차지경까지 분지되며, 지경 화서 간 평균 8일 동안 자예 활성, 화분 활력시기가 중복되어 다른 가지의 화서간 자가수정이 가능하다고 판단된다. 노지에서 생육 후 12월 말까지 춘화처리 된 개체들을 12월 말에 온실내에서 생식생장을 유도하고 5월에 채종함으로써 개화시기를 약 4개월정도 단축시킬 수 있었다. 채종한 종자는 5~6월에 파종하고 영양생장 후 12월 말까지 춘화처리 후 5월에 채종할 수 있어 기존2년 1세대 육종기간을 1년 1세대로 단축할 수 있었다.