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RISS 인기검색어
- 검색키워드
- 저자 : 심교문 ( Kyo Moon Shim ) (검색결과 153 건)
- 무료
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Variation of several agronomic and biochemical traits in γ-ray induced mutant soybeans
심교문(Kyo Moon Shim),송희섭(Hi Sup Song),김선형(Sun Hyung Kim),이해익(Hae Ik Rhee),김남수(Nam Soo Kim) 한국육종학회 1996 한국육종학회지 Vol.28 No.3
Two soybean cultivars(Paldalkong and Bangsakong) were irradiated with gamma-ray to reduce seed size, which is an important trait for soybean sprout and the derived mutant soybeans were analyzed in several agronomic and biochemical traits. There were high levels of variations in quantitative traits among the mutants. Several mutant lines showed higher yield and smaller seed than thier parents. Qualitative traits such as seed coat color or pubescent color were also changed in a few lines. Biochemical variations were also observed among the mutants. In seed storage protein analysis, many mutant lines showed reduced intensites in β-subunits in 7S globulin than their parents and an additional band in the acidic subunit at 31KDa. Two mutant lines derived from Paldalkong showed an additional band and a shifted band of protease inhibitor by electrophoretic analysis. Variations in isozymes and RAPD were also observed among the mutants. Six isozymes(Adh, Est, Gdh, Idh, Mdh and Pgm) among eleven isozymes showed some variations and six out of ten primers showed polymorphic amplified DNA fragments among the mutnats.
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최근의 기상환경 변화에 따른 가을보리의 수량구성요소 및 생육단계 변화
심교문(Kyo Moon Shim),윤성호(Seong Ho Yun),정영상(Yeong Sang Jung),이정택(Jeong Taek Lee),황규홍(Kyu Hong Hwang) 한국농림기상학회 2002 한국농림기상학회지 Vol.4 No.1
This study examines the relationships between atmospheric influences and grain yields including yield components as well as growth stages. Data used in this study were collected from the long-term field experiment at Suwon for the period between 1974 and 2000. Mean grain yield of barley cultivar, Olbori, for the recent 14 years(1987~2000) with warm winters was higher by 0.42 ton per hectare than that for 27 years(1974~2000) at Suwon as a result of the higher numbers of spikes per unit land area and grains per spike. However, the 1000-grain weight decreased by about 0.6 gram. Mean first day of regrowth for the recent 14 years was earlier by five days than that for 27 years. Also, beginning date of regrowth was positively correlated with that of heading and ripening. Mean period of ripening for the years of 1987 through 2000 was similar to that for 27 years, but mean period of overwintering was shorter by nine days than that for 27 years. On the other hand, mean periods of seedling and tillering were longer by three days than those for 27 years. Meteorological elements at various growth stages affecting grain yield of winter barley were air temperature (positive correlation) and sunshine hour (negative correlation) of overwintering stage, precipitation (negative correlation) of tillering stage, and potential evapotranpiration (positive correlation) of tillering stage. The 1000-grain weight was not significantly correlated with the meteorological elements. Culm length was negatively influenced by high temperature and dry weather situations during the ripening period, but spike length was positively influenced. Overall, it was found that grain yield of barley, cultivar Olbori, was influenced by meteorological elements of overwintering, tillering, and ripening stages.
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심교문 ( Kyo Moon Shim ),김건엽 ( Gun Yeob Kim ),노기안 ( Kee An Roh ),정현철 ( Hyun Cheol Jeong ),이덕배 ( Deog Bae Lee ) 한국농림기상학회 2008 한국농림기상학회지 Vol.10 No.4
지난 46년간(1961-2007년) 연도별 겨울철의 평균기온을 분석한 결과, 1980년 후반부터 겨울철 고온화 현상이 뚜렷이 관측되었다. 그리고 연도별 이상기상의 발생 현황도 1988년을 기점으로 뚜렷한 차이를 나타내었는데, 그 이전에는 이상저온의 발생이 상대적으로 많았으나, 그 이후에는 이상고온이 훨씬 많이 발생한 것으로 조사 되었다(농촌진흥청, 2007). 따라서 최근 지구온난화에 따른 기상환경의 변화가 우리나라의 농업기후자원량에 미친 영향을 벼 작물을 기준으로 조사하였다. 벼 이앙기의 한발지수는 강수량의 증가로, 태백고냉 및 준고냉지, 그리고 영남내륙 산간 및 분지지역을 중심으로 개선되고 있으나, 근래에 증가한 강수량에 비해서 개선 폭은 다소 적은 편이었다. 최근 우리나라의 벼 이앙기의 저온 출현위험도는 전국적으로 낮아진 것으로 조사되었지만, 벼 등숙기간의 일조시간 감소와 기온상승으로 기후생산력지수는 오히려 낮아져, 우리나라 주변의 최근 기상환경이 벼 생산성에는 불리하게 작용하는 것으로 분석되었다. 또한, 최근 벼 출수기의 출현날짜가 늦춰지는 것으로 조사됨에 따라, 벼 이앙시기의 재조정 등 작부체계 개선이 요구된다. The increase in average air temperature over the past 100 years in northern Asia including Korea is the greatest (about 1.5℃) among the various regions of the world. Considering a further warming projected by the IPCC, fluctuations of agro-climatic indices under climate change must precede an evaluation of vulnerability. The purpose of this study is to analyze how climate changes represented by global warming have altered agro-climatic indices in Korea over various time scales. Drought index during the rice-transplanting period of 15 May to 5 June has changed toward the favorable with recently increased precipitation in the Taebaek Alpine and Semi-Alpine Zone, and Yeongnam Basin and Inland Zone. The frequency of low temperature occurrence below 13℃ during the rice transplanting has decreased, while climatic production index (CPI) has fallen because of the decreased sunshine hour and increased temperature during the rice ripening period. We therefore concluded that the recent change of climate conditions was against the rice productivity in Korea.
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A1B 기후변화 시나리오가 국내 가을 쌀보리의 잠재수량에 미치는 영향 모사
심교문 ( Kyo Moon Shim ),민성현 ( Sung Hyun Min ),이덕배 ( Deog Bae Lee ),김건엽 ( Gun Yeob Kim ),정현철 ( Hyun Cheol Jeong ),이슬비 ( Seul Bi Lee ),강기경 ( Ki Keong Kang ) 한국농림기상학회 2011 한국농림기상학회지 Vol.13 No.4
The CERES-Barley crop simulation model was used to assess the impacts of climate change on the potential yield of winter naked barley in Korea. Fifty six sites over the southern part of the Korean Peninsula were selected to compare the climate change impacts in various climatic conditions. Based on the A1B climate change scenarios of Korea, the present climatological normal (1971-2000) and the three future ones (2011-2040, 2041-2070, and 2071-2100) were considered in this study. The three future normals were divided by three environmental conditions with changes in: (1) temperature only, (2) carbon dioxide concentration only, and (3) both temperature and carbon dioxide concentration. The agreement between the observed and simulated outcomes was reasonable with the coefficient of determination of grain yield to be 0.78. We concluded that the CERES-Barley model was suitable for predicting climate change impacts on the potential yield of winter naked barley. The effect of the increased temperature only with the climate change scenario was negative to the potential yield of winter naked barley, which ranges from -34 to -9% for the three future normals. However, the effect of the elevated carbon dioxide concentration only on the potential yield of winter naked barley was positive, ranging from 6 to 31% for the three future normals. For the elevated conditions of both temperature and carbon dioxide concentration, the potential yields increased by 8, 15, and 13% for the 2011-2040, 2041-2070, and 2071-2100 normals, respectively.
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MT-CLIM 프로그램을 이용한 일별 일사량 추정의 국내 적용성 검토
심교문 ( Kyo Moon Shim ),김용석 ( Yong Seok Kim ),이덕배 ( Deog Bae Lee ),강기경 ( Ki Keong Kang ),소규호 ( Kyo Ho So ) 한국농림기상학회 2012 한국농림기상학회지 Vol.14 No.4
Accuracy of daily solar radiation estimated from a Mountain Microclimate Simulation Model (MTCLIM) was assessed for seven observation sites with complex topography in Uiseong County. The coefficient of determination (R2) between the observed and the estimated daily solar radiation was 0.52 for 7 sites for the study period from 1 August to 30 September 2009. Overall, the MT-CLIM overestimated the solar radiation with root mean square error (RMSE) of 3.83MJ m-2 which is about 25% of the mean daily solar radiation (15.27MJ m-2) for the study period. Considering that the pyranometer`s tolerance is ±5% of standard sensor, the RMSE of MT-CLIM was too large to accept for a direct application for agricultural sector. The reliability of solar radiation estimated by MTCLIM must be improved by considering additional ways such as using a topography correction coefficient.
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심교문 ( Kyo Moon Shim ),김용석 ( Yong Seok Kim ),김건엽 ( Gun Yeob Kim ),이덕배 ( Deog Bae Lee ),강기경 ( Ki Keong Kang ),소규호 ( Kyu Ho So ),이강효 ( Kang Hyo Lee ) 한국농림기상학회 2012 한국농림기상학회지 Vol.14 No.4
In this study, in order to provide an information for artificial cultivation of wild mushroom, the meteorological effects on wild mushroom appearance were examined using daily meteorological observations in Chiak National Park. The survey of wild mushroom appearance was carried out once a month from June to October. Under high temperature and humidity conditions in July and August, the appearance of wild mushroom was frequent. In contrast, lower number of wild mushroom appeared in October. Wild mushroom appearance was affected by solar radiation, relative humidity, precipitation, and soil water content whereas the impact of air and soil temperature was lower than that of other meteorological elements.
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