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남상영 ( Sang Young Nam ),김인재 ( In Jae Kim ),최성열 ( Seong Yel Choi ),김민자 ( Min Ja Kim ),김영호 ( Young Ho Kim ),송인규 ( In Gyu Song ),이광재 ( Guang Jae Lee ),박재호 ( Jae Ho Park ),김태중 ( Tae Jung Kim ) 한국국제농업개발학회 2011 韓國國際農業開發學會誌 Vol.23 No.5
This study was conducted to investigate the effects of cultural soil textures on growth and quality of Glycyrrhiza uralensis Fischer from 2009 to 2010. The obtained results from this study were summarized as follows; The growth of stem and leaf were superior to one year old G. uralensis, and surface runner and root growth tended to be better in 2 years old G. uralensis. The weight of stem and leaf were heavy in sandy loam, and plant height, branches, stem diameter in sandy clay loam were better than other soil texture. The growth characteristics, such as length, number and weight of surface runner, was better in order of sandy clay loam > sandy loam > loamy sand. The length of main and lateral root was longer in loamy sand soil than other treatments, and the diameter of main and lateral root was more thicker in sandy loam than others. The number of lateral root was higher in the sandy loam than other treatments. The yield of main and lateral root was in order of sandy loam > sandy clay loam > loamy sand soil. Marketable root yield of one year old and two year old G. uralensis were increased 57% and 71% in sandy loam compare to a loamy sand as 204 kg/10 a, respectively. The content of glycyrrhizinic acid was the hightest as 1.62% in sandy clay loam soil in one year old, and as 1.58% in sandy loam soil in two years old of G. uralensis, respectively.
수확시기와 횟수에 따른 삼백초 경엽의 생육 및 수량의 경시적 변화
남상영(Sang Young Nam),김인재(In Jae Kim),김민자(Min Ja Kim),이철희(Cheol Hee Lee),김태수(Tae Su Kim) 한국자원식물학회 2002 한국자원식물학회지 Vol.15 No.2
삼백초의 수확시기와 횟수를 달리함으로써 생육과 경엽수량에 미치는 영향을 구명하여 재배법개선에 필요한 기초자료를 얻고자 시험한 결과를 요약하면 다음과 같다. 1. 1회 수확시의 생육은 7월 16일과 7월 31일 수확에서 가장 왕성하였으며, 2회 수확시는 1회 수확시기가 빠를수록 양호하였다. 2. 상품 경엽수량은 7월 31일까지는 수확시기가 늦을수록 많았으나, 이후 10월 16일에서는 41% 수준으로 감소폭이 컸다. 3. 건물율은 수확시기가 늦을수록 높아지는 경향이었다. This study was carried out to investigate change of growth and yield of top part by different harvest date and number in Saururus chinensis. Top part of the first harvest date showed the most effective growth on July 16 and July 31, and that of the second harvest date was greater than that of the as first harvest date. Harvest dates up to July 31 increased yield of marketable leaf and stem, but the later Harvest date decreased yield as low as 41% .Percentage of dry mater was higher as the harvest date was delayed.
연구보문 : 적심정도가 감초의 생육 및 품질에 미치는 영향
남상영 ( Sang Young Nam ),김인재 ( In Jae Kim ),최성열 ( Seong Yel Choi ),김영호 ( Young Ho Kim ),송인규 ( In Gyu Song ),이광재 ( Guang Jae Lee ),박재호 ( Jae Ho Park ),김태종 ( Tae Jung Kim ) 한국국제농업개발학회 2011 韓國國際農業開發學會誌 Vol.23 No.2
감초의 적심정도가 생육 및 품질에 미치는 영향을 구명하고 감초 재배의 기초 자료를 얻고자 적심정도를 경장의 20% 등 4처리를 두어 2008년부터 3년간 시험한 결과는 다음과 같다. 1. 적심 유무에 따른 감초 경엽 생육은 초장, 분지수, 절수 및 경엽중은 무적심에서 양호한 경향이었으나, 경태는 가늘은 경향이었고, 적심정도 간에는 경태를 제외하고 적심비율이 적을수록 양호한 경향이었다. 2. 포복경 생육은 무적심 처리에서 양호한 경향이었으며, 적심정도에 따라서는 적심비율이 적을수록 양호한 경향이었다. 3. 뿌리의 생육은 무적심에 비하여 적심처리에서, 적심정도 간에는 주근장과 지근장은 20% 적심에서 길었으나, 다른 근생육은 40% 적심에서 양호한 경향이었다. 4. 근수량은 40%>60%>20%>무적심 순으로 많았으며, 40% 적심시 상품 근수량이 무적심 300kg/10a에 비하여 25% 증수 되었다. 5. 글리시리진(Glycyrrhizinic acid)의 함량은 20%와 40% 적심에서 무적심 1.35% 대비 각각 0.31%, 0.09% 높았다. Growth and quality according to top-precision degree of Glycyrrhiza uralensis Fischer were tested by 4 treatments including 20% rate cutting of branch-top during 3 years from 2008. Growth above ground part of Glycyrrhiza uralensis Fischer with or without topping-plant height, branch number, node number, weight of stem and leaf-was good tendency without topping but stem diameter was less. growth above ground part among topping ratio was the less topping ratio the better except stem diameter. Growth of surface runner was good tendency without topping. growth of surface runner among topping degree was the less topping ratio the better. Root growth was higher without topping compare to topping. Length of main and supporting root among topping ratio was longer in 20% topping treatment but root growth except root length was good tend in 40% topping. Weight of root was high 40%>60%>20%>no topping the order, marketable yield in 40% topping of height was increased by 25% compared with no topping as 300kg/10a. content of Glycyrrhizinic acid with 20% and 40% topping of height was increased by 0.31% and 0.09% compared to no topping as 1.35% respectively.
남상영(Sang Young Nam),김인재(In Jae Kim),김민자(Min Ja Kim),이철희(Cheol Hee Lee),김태수(Tae Su Kim) 한국자원식물학회 2002 한국자원식물학회지 Vol.15 No.1
지황의 수확방법을 인력수확에서 생력기계화 수확기술로 개선코자 트랙터굴취기 등 4종의 수확기기의 기계수확 효율을 비교 검토하였던 바 그 결과를 요약하면 다음과 같다. 1. 생력효율은 인력에 비하여 경운기 경운 69%, 경운기부착 굴취기 73%, 트랙터 부착 굴취기 76% 절감되었다. 2. 근경의 손실율은 인력수확 5.6%, 경운기 경운14.9%, 경운기 부착 굴취기 8.7%, 트랙터 부착 굴취기8.9%로 기계수확에서 높았다. 3. 상품 근경 수량은 인력수확 2,115 kg/10a에 비하여 기계수확에서 111~304kg/10a감소하였으며, 총 근경수량도 인력수확에 비하여 기계수확에서 2~6%감소하였다. 4. 경운기 부착 굴취기 와 트랙터 부착 굴취기 는 생력효율이 높고, 근 손상율 및 상품수량 등에서 인력수확에 크게 떨어지지 않아 적용가능성 이 높은 것으로 나타났다. This study was carried out to determine an effective mechanical harvester for rhizomes of Rehmannia glutinosa Libosch. Labor-saving efficiency showed 69∼76% by using tillage operations with power tiller, digger attached to power tiller, and digger attached to tractor compared with manual harvest. Loss percentage of rhizomes by mechanical harvesters was 3.1∼ 9.3% higher, and fresh rhizome yield was 2∼6% lower than that by manual harvest, respectively. Although it showed higher loss percentage of rhizomes and lower fresh rhizome yield compared with manual harvest, mechanical harvest using digger attached to power tiller or digger attached to tractor was effective in labor-saving for rhizomes of Rehmannia glutinosa Libosch.
남상영(Sang-Young Nam),김인재(In-Jae Kim),김민자(Min-Ja Kim),윤태(Tae Yun),박성규(Sung-Gue Park),이우영(Woo-Young Lee),홍성수(Seong-Su Hong),황방연(Bang-Yeon Hwang) 한국자원식물학회 2005 한국자원식물학회지 Vol.18 No.3
삼백초 수확 후 광 노출정도에 따른 선도유지 및 유효성분 함량 변화를 구명하여 품질향상을 위한 기초자료를 제공하고자 시험을 수행한 결과, 건물율은 잎, 줄기, 꽃 모두 광노출 시간이 길수록 높았으며, 색도중 명도는 광노출시간이 짧을수록 높았으나, 적색도는 상반된 경향이었다. 황색도와 채도는 건조전에는 광노출 2시간시에, 건조후에는 광노출시간이 짧을수록 높았으나, 경엽 탕전시에는 상반된 경향이었고, 광노출 시간이 짧을수록 rutin, quercitri 의 함량과 떫은 맛이 많았고, 품질 선호도와 경엽 탕전 시 기호도도 우수하였다. This study was carried out to obtain the basic information for quality changes according to degree of exposed sunlight after harvest of aerial part in Saururus chinensis Baill. Top part harvested was exposed to sunlight from 0 to 3 hours with 1-hour interval, and was dried at 50℃ hot air. The values were higher at shorter time of sunlight exposure, while the opposite is the true to the a values. The b and c values were high at 2-hour exposure before drying. Those were higher at shorter time of sunlight exposure after drying, but showed opposite tendency in tang-jeon. The contents of rutin and quercitrin, and astringency were greater at shorter time of sunlight exposure. Preference of quality and tang-jeon showed similar tendency with those.