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켄터키 블루그래스(Poa pratensis L.) 종자의 보증 기준에 따른 품질 분류와 적용
김신재,주영규,이재필,김두환,Kim, Shin-Jae,Joo, Young-Kyoo,Lee, Jae-Pil,Kim, Doo-Hwan 한국잔디학회 2009 한국잔디학회지 Vol.23 No.2
The purpose of seed certification is to preserve the genetic purity and identity of seed varieties. This study is to provide information concerning seed certification procedures and certification standards of Kentucky bluegrass especially used in golf courses. We analyzed data from the seed certification standards of three states (Washington, Idaho and Oregon) in U.S.A. The certification processes both field inspection and laboratory requirement satisfying the minimum seed quality standards. The seed harvesting field must be propagated with the specified class of seeds and requires an adequate isolated distance from other crops. Moreover, the field should be clean and free from the objectionable weeds. The seed analysis tests include a germination rate, a percentage of pure seed, contents of other crop seed, weed seed, and inert matter. The certification standards of the certified seed and the sod quality seed showed general similarity in all three states. The certification standards of the sod quality seed should have less than 0.02% of maximum weed seed. The certified seed should have less than 0.3% of maximum weed seeds. Those certification standards of seed quality should guaranty the quality of turfgrass establishment of golf course. 종자보증의 목적은 종자의 유전적 순수성과 품종의 혈통을 보장하는 것이다. 본 연구는 골프장에 사용되는 켄터키 블루그래스 종자의 품질 보증 규정과 절차에 대한 정보를 제공하기 위하여 행하여졌다. 연구 방법은 미국3개주(와싱턴, 아이다호, 오리건주)의 종자 보증과정과 종자 품질 보증 규정을 비교 분석하였다. 보증과정은 포장과 실험실 내에서의 최소 종자품질기준을 만족하여야 한다. 종자 수확포장은 정해진 수준의 종자를 파종하여야 하고, 다른작물로부터 일정거리를 격리하여야 한다. 더구나 수확포장은 청결하며 금지잡초로부터 안전하여야 한다. 종자보증 시험은 발아율, 순수종자 백분율, 이종종자, 잡초 및 이물질 함량 검사를 포함한다. 품질보증종자와 뗏장용 종자의 품질기준은 3개 주에서 비슷하였다. 뗏장용 종자의 품질 기준은 최대 0.02%, 품질보증종자의 경우에는 0.3% 이내의 잡초종자 함량을 허용 기준치로 제한하고 있다. 이러한 종자품질기준은 종자의 품질을 보장하고 골프코스의 잔디조성 품질을 보장하고 있다.
시술 전 아미노필린 투여가 회전형 죽상반절제술시 서맥성 부정맥의 발생과 혈역학 변화에 미치는 영향
차광수 ( Cha Gwang Su ),김무현 ( Kim Mu Hyeon ),김영대 ( Kim Yeong Dae ),김진우 ( Kim Jin U ),김신재 ( Kim Sin Jae ),김종성 ( Kim Jong Seong ) 대한내과학회 2003 대한내과학회지 Vol.64 No.6
Background : Rotational atherectomy or rotablation in right coronary artery (RCA) or dominant left circumflex artery (LCX) can cause bradyarrhythmias and requires the placement of prophylactic pacemaker. Adenosine is released endogenously by ischemic or h
김신재 ( Kim Sinjae ) 대구사학회 2021 대구사학 Vol.143 No.-
This paper examines the current status of cultural assets in Gyeongju, which were designated as 'treasures' and 'historic sites' during the Japanese Colonial Era. It also analyzes the designation trend for cultural assets in the city from the day of liberation to the end of the 1960s in order to study the characteristics of cultural asset preservation. No cultural asset in Gyeongju has lost the designation before and after the enactment of the Cultural Heritage Protection Act. Additionally, there has been no cultural asset in Gyeongju that had not been designated as a cultural treasure due to concerns over promoting national consciousness but received the designation after the day of liberation. By the end of the 1960s, the Gold Crown from the Geumgwanchong Tomb and the East and West Three-story Stone Pagodas at Gameunsa Temple Site in Gyeongju were designated as National Treasures. In addition, wooden structures from the Joseon Dynasty period, such as the Mucheomdang House and the Hyangdan House in the Yangdong Village, were designated as 'treasures' and many of the royal tombs of Silla were newly designated as 'historical landmarks'. Part of the Japanese colonial government's cultural policy involved protecting the cultural assets in Gyeongju by assigning them designations. During the Japanese Colonial Era, the cultural heritage preservation policy was centered on the cultural assets and stone structures from the Silla period. While wooden structures, such as the magistrate's offices, which symbolize the Joseon period, were neglected, the Sillan cultural assets were preserved and protected as assets of the Japanese Empire to promote national assimilation and civilization assimilation. The study came to a conclusion that making greater efforts to restore the original Sillan cultural and historical sites damaged by railways and roads is the preferable way to overcome the Japanese Colonial Era's policy of preserving cultural assets. (Dept. of korean history, Dongguk University / ksj@dongguk.ac.kr)