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$B_1$ 뉴캣슬병독에 의한 단닌산처리계적혈구의 혈구응집반응
김상열,KIM SANG-YEOL 대한수의사회 1963 대한수의사회지 Vol.7 No.1
Fazekas observed that fowl or human erythrocytes treated with a modifying dose of potassium pe-riodate remained agglutinable by influenza virus tut the adsorbed virus did not elute spontaneously. In this study, chicken erythrocytes treated with the high d
김상열,박호,구한모,류동근,Sang-Yeol Kim,Ho Park,Han-Mo Koo,Dong-Keun Ryoo 한국항해항만학회 2015 한국항해항만학회지 Vol.39 No.3
항만물류산업은 교역과 부가가치 창출, 높은 경제적 효과를 지닌 중요한 산업으로 그 영역이 점차 확대되고 있다. 항만물류산업의 효율화는 국가 경쟁력을 증대할 수 있는 방안 중 하나이며, 다수의 선행연구에서 그 영향에 대해 연구가 진행되었다. 본 연구에서 산업 분류 의 기준이 되는 한국표준산업분류의 9차 개정을 활용하고, 2010년 최초 시행된 경제총조사 자료를 활용하여 울산지역을 대상으로 항만물류산 업이 지역경제에 미치는 영향을 분석하고, 우리나라 5대 항만도시간 항만물류산업을 비교하였다. 연구 결과, 첫째 2010년 기준 직접 항만물류 산업은 종사자(11.7%)와 매출액(13.1%)에서 높은 비중을 보였으며, 지역 내 높은 고용과 경제적 영향이 있음을 나타냈다. 둘째, 5대 항만도시 의 2007~2011년 기준 항만물류산업간 비교에서 광양(5.72%)과 울산(4.23%)은 전국평균(1.74%)보다 높은 사업체수의 연평균 증가와, 직접 항 만물류산업의 종사자에서 울산(23.82%), 평택(25.74%)은 높은 연평균 증가를 나타냈다. Port Logistics Industry plays a crucial role in trade creating added value, and contributes greatly in economic growth of a nation. Multitude of studies have been conducted to develop this industry as a means of intensifying national competitiveness. In line with this trend, this study aims to examine the effect of the Port Logistics Industry on the regional economy focusing on Ulsan, and also compare the industry among five port cities by using Korean Standard Industrial Classification (KSIC) Rev. 9 and 2010 Economy Census. The results of this study demonstrate that the Port Logistics Industry has significant regional employment rate and economic importance, showing the high number of workers (11.7%) and sales (13.1%) in 2010. According to the comparison among five port cities between 2007 and 2011, the increase of annual average in the number of companies of Gwangyang (5.72%) and Ulsan (4.23%) is higher than the national average (1.74%), and Ulsan (23.82%) and Pyeongtaek (25.74%) show high increase of annual average in the number of workers.
Mesotrione 함유 제초제에 대한 벼 생태형간 약해반응 차이
김상열(Sang-Yeol Kim),이지윤(Ji-Yoon Lee),여운상(Un-Sang Yeo),오성환(Seong-Hwan Oh),박성태(Sung-Tae Park),이종희(Jong-Hee Lee),정국현(Kuk-Hyun Jeong),조준현(Jun-Hyeon Cho),송유천(You-Chun Song),강항원(Hang-Won Kang) 韓國雜草學會 2010 Weed&Turfgrass Science Vol.30 No.3
최근에 등록된 mesotrione+pretilachlor(MR) 및 bensulfuron-methyl+mesotrione+pretilachlor+pyriftalid(BMPP)에 대한 벼 생태형간 약해 반응을 조사하기 위해 통일형(장립종)및 일본형(단립종) 각 3 품종을 표준량과 2배량을 처리하여 온실에서 포트시험한 결과는 다음과 같다. 제초제 MP 및 BMPP에 대한 약해 반응은 벼 생태형에따라 달랐는데 통일형 품종은 모두 감수성을 보였으나 일본형 벼는 약해가 발생하지 않았다. 통일형 벼는 제초제 처리 후 5일부터 백화증상을 보였고 7일에 약해증상이 뚜렷하였으며 처리 후 14일에는 약해증상이 처리 후 7일 보다 약해지는 경향이었다. 약해정도는 처리농도가 증가할 수록 약해 발생이 심하였다. MP 및 BMPP에 대한 통일형 벼 품종의 초장억제율은 90g a.i. ha-1(표준량)에서 18~43%, 배량에서 30~50% 억제되었고 건물중은 초장보다 억제가 더 커 표준량에서는 46~73%, 배량에서는 65~82%가 억제되었고 억제정도는 농도가 증가할수록 컸다. 하지만 대부분의 일본형 벼는 제초제 2배에서도 약해증상을 보이지 않았으나 초장 및 건물중이 약간 억제 되었다. 벼 생태형별 MP에 대한 50% 생육억제 농도를 조사한 결과, 통일형 벼는 37g a.i. ha-1로 일본형 벼의 476g a.i. ha-1보다 12.9배나 낮았다. 이상의 결과에서 mesotrione을 함유하고 있는 MP 및 BMPP에 대한 벼 생태형간 반응에 차이가 있고, 초다수형 벼 재배시 초기잡초발아전 제초제로서 MP 및 BMPP의 사용을 자제하는 것이 바람직하다. Greenhouse experiment was conducted to evaluate tolerance of six rice cultivars, three Indica×Japonica rice (long grain, cv. Dasanbyeo, Segejinmi and Hanareumbyeo) and three Japonica rice (short grain Nampyung, Ilpumbyeo and Junamjosaeng) cultivars, to mesotrione+pretilachlor (MP) and bensulfuron-methyl+mesotrione+pretilachlor+pyriftalid (BMPP) in transplanting rice. Two herbicides were applied at 90 g and 180 g a.i. ha-1 to three to four leaf stage rice at 5 and 15 days after transplanting, respectively. Related study was also conducted to compare GR50 for Indica×Japonica and Japonica rice cultivars at different MP rates. Response to two herbicides varied with respect to rice cultivars and herbicide rates. All Indica×Japonica rice cultivars exhibited susceptible to both MP and BMPP as reflected by increased visual injury, shorter plant height and higher plant dry matter reduction when compared with non treated rice cutlivars. The degree of foliar chlorosis by MP at 90 g a.i, ha-1 was 5~6 at 7 days after treatment(DAT) but it was decreased to 3~6 at 14DAT. The degree of leaf chlorosis treated with 180 g a.i. ha-1 MP was 6~7 at 7DAT and it was also decreased to 3~8 at 14 DAT. The plant hight of Indica×Japonica rices was inhibited by 18~43% at application of 90 g a.i. ha-1 MP and 30~50% at 180 g a.i, ha-1 MP. The dry matter reduction was greater than that of plant height inhibition, showing 46~73% at 90 g a.i. ha-1 MP and 65~82% at 180 g a.i. ha-1 MP. Similar leaf chlorosis injury and growth inhibition of rice cultivars was observed in the BMPP treatment. The injury and growth inhibition by MP and BMPP increased with increase in herbicide rate from 90 g a.i. ha-1 to 180 g a.i. ha-1. However, most of the Japonica cultivars are tolerant to MP and BMPP at both rates. There was no visible leaf chlorosis but plant height and dry matter production were slightly reduced at 180 g a.i. ha-1. Based on GR50 valus determined in redyction of shoot dry weight for MP, the Indica×Japonica rice showed 12.9 fold lower compared with the Japonica rice. The result indicates that rice cultivars vary in tolerance to hebicides of MP and BMPP and Indica×Japonica rices were more susceptible than the Japonica rices to the MP and BMPP.
HPPD 저해 제초제들에 대한 통일형벼 품종의 약해 반응
김상열 ( Sang Yeol Kim ),한상익 ( Sang Ik Han ),이지윤 ( Ji Yoon Lee ),조준현 ( Jun Hyeon Cho ),오성환 ( Seong Hwan Oh ),박노봉 ( No Bong Park ),손영보 ( Yeong Bo Son ),송유천 ( You Chun Song ),남민희 ( Min Hee Nam ) 한국국제농업개발학회 2014 韓國國際農業開發學會誌 Vol.26 No.3
This study was conducted to investigate the levels of phytotoxicity of Japonica×Indica-type rice varieties to HPPD(4-hydroxy phenylpyruvate dioxygenase)-inhibiting herbicides known for their efficiency to control the sulfonylurea-resistant weeds. The plant injury and rice yield of three Indica × Japonica rice (long grain, cv. Hanareumbyeo, Hanareum2, Dasanbyeo) were evaluated by application rate of HPPD-inhibiting herbicdes, benzobicyclon and mesotrione+pretilachlor (MP), and butachlor as control in transplanting rice in 2012 -2013 in Miryang. The herbicide rates of 350 g, 140 g a.i. ha-1 for recommended rate(1x) and 750 g, 280 g a.i. ha-1 for 2x with benzobicyclon andmesotrione+ pretilachlor (MP), respectively, were applied as pre-emergence treatments while only the 1x concentration of 1,500 g a.i. ha-1 was used for butachlor. All three Indica × Japonica rice cultivars were extremely sensitive to both benzobicyclon and MP herbicides even at the 1x rate as reflected by high visual injury of leaf chlorosis and the injury was more severe at 2x rate than 1x concentration. The percentage of foliar chlorosis of Indica × Japonica rices at the 1x rate was only 34 ~ 64% for benzobicyclon at 14 days after treatment(DAT) and 63 ~ 75% for MP at 7 DAT but the injury was more severe at the 2x rate with 76 ~ 83% for benzobicyclon and 83 ~ 89%. However, the leaf chlorosis injury of the three rice varieties recovered at 1x rate of benzobicyclon and MP about 30 DAT but rice plant death of 6.5 ~ 11.5% for benzobicyclon and 2.1 ~ 3.3% for the MP was observed at the 2x rate, respectively. The heading date of the injured rice plant was delayed by 1 to 2 days and panicle number per square meter, ripened grain ratio and 1000-brown rice weight were decreased due to the injury of rice plant by the herbicide treatments as compared with the control treatment of butachlor. Yield of the Indica × Japonica rice varieties treated with benzobicyclon and MP was significantly reduced by 5 ~ 9% even at 1x rate and 14 ~ 28% at 2x rate, respectively. The result indicates that MP and benzobicyclon should not be used for weed control in Indica × Japonica varieties and rice plant should be transplanted again to some extent at 2x rate of the benzobicyclon and MP herbicides.