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      • Carbofuran 土壤混入處理의 水稻害蟲 防除效果 및 水稻生育에 미치는 影響

        朴亨萬,朴重秀,崔承允,李炯來 서울大學校 農科大學 1981 서울대농학연구지 Vol.6 No.1

        In 1980, a field experiment was conducted to evaluate the effects of soil-incorporated Carbofuran (Furadan 3G) on some rice insect pests and on the growth of rice plants of the variety Milyang-23, which is one of the Korean leading varieties. The effects were compared with those of the conventional broadcast of Carbofuran and Diazinon as local standard method. The results obtained were as follows: (1) The soil incorporation of Carbofuran dramatically suppressed the plant damages of the rice stem maggots (Chlorops oryzae and Hyderellia sasakii) and thrips (Baliothips biformis) at tillering stage of the rice; plant damages observed were 0.5%(1.2 a.i. kg/ha) and 0.6%(1.8 a.i. kg/ha) for the rice stem maggots, and 1.3%(1.2 a.i. kg/ha) and no damage(1.8 a.i. kg/ha) for thrips while with broadcast of Carbofuran there were 65.9%(1.2 a.i. kg/ha) and 42.4%(1.8% a.i. kg/ha) for ricestem maggots, and for the thrips, 60.6%, 36.0% with Carvofuran baoadcast, and 83.5%, 90.7% with Diazinon treatment, and 97.8% for the untreated check.(2) Soil incorporation and broadcast of Carbofuran were significantly effective for the control of brown planthoppers (Nilaparvata lugens) and the white-backed planthoppers (Sogatella furcifera), and the conventional broadcast of Diazinon was still unsatisfactory for controlling the brown planthoppers. (3) on 38th day after transplanting, the number of tillers per hill and plant height in the soil incoporation of Carboruran revealed the significant increases over those of the Carbofuran and Diazinon brodcasts and the check; with number of tillers per hill 23.0 for 1.2 a.i. kg/ha and 25.7 for 1.8 a.i. kg/ha with number of tillers per hill 23.0 for 1.2 a.i. kg/ha and 25.7 for 1.8 a.i. kg/ha with Carbofuran soil incorporation, while they were for 20.1, 22.1, with respective doses of the broadcasted Carbofuran they were 19.1 for the broadcased Diazinon, and 18.5 for the check, on the 82nd day after transplanting, root development of rice plants grown on the Carbofuran soil incorporated sites also revealed a significant increase over the broadcasting treatments and the check in the number and length of roots.(4) Even under the unusual low-temperature conditions during 1980 in Korea, Carvofuran soil incorporation greatly promoted the heading of rice plants and consequently resulted in significant shortening of the heading time as compared to those of Carbofuran and Diazinon broadasts and the check. In addition, soil incorporation of Cabofuran resulted in much better heading status(65 to 70% in completed heading) than broadcast(35 to 37% in Carbofuran broadcast and 20% in Diazinon broadcast) and the untereated check(30%). (5) The mexmium growth promotion of rice plants was observed from the rate of 1.8 a.i. kg/ha of the Carbofuran soil incorporation in plant height (90.0cm), stem height(78.6cm), length of uppermost internodes(24.7cm), and root weight(5.0g/hill in dry base) over the untreated check(81.9cm in plant height, 62.9cm in stem height, 19.3cm in uppermost intermodes and 3.6g in root weight) and other insecticide treated plots. However, there was no singnificant difference in panicle length among the treatments. (6) The number of panicles per hill, number of grains per panicle and 1000-grain weight showed that Carbofural soil incorporation significantly increased those yield components as compared to the broadcast and the untreated check. Of the treatments, Carbofuran soin incorporation registered significantly higher grain yields (2,460kg/ha from 1.2 a.i. kg/ha and 2,244kg/ha from 1.8 a.i. kg/ha treatments) than Carbofuran broadcest (1,005kg/ha from 1.2 a.i. kg/ha and 1,185kg/ha from 1.8 a.i. kg/ha treatments), Diazinon broadcast(63kg/ha), and the check(849kg/ha). Showing the low yield potential of the test variety seemed to be cold-damage from unusual weather conditions in 1980. (7) Analysis of essential macro-and micro-element contents in rice plants on the 122nd day after transplanting showed more k, Cu, Mn and Zn contents in the plants treated by soil incorporation of Carbofuran than those in the untreated check, while N and Fe were lower in the plants treated by Carbofuran than those in the untreated check, while N and Fe were lower in the plants treated by Carbofuran soil incorporation. Amounts of K and Zn were much greater in Carbofuran soil incorporation than in Carbofuran broadcast, and N and P were greatly lower in the plants by Carbofuran soil incorporation. (8) in conclusion, the result obtained in this study would provide some real evidences that Carbofuran incoporated with the paddy soils could be a new insecticidal application method of the maximization of rice yield through the dramatical suppressin of the plant damages of insect pests; the rice leaf stem maggots, thrips, and planthoppers, and great growth stimulation(increasing the root development, the effective tillers, panicles, etc.) of rice plants.

      • KCI등재

        경기 남부지역 논잡초 발생분포 및 군락변화

        중수,원태진,노안성,장재은,김희동 한국잔디학회 2014 Weed & Turfgrass Science Vol.3 No.2

        Survey was carried out in paddy fields to investigate the dominance of weed species and weed occurrence on 200fields of southern Gyeonggi region in Korea during the year 2013. We observed 3 species of grass, 5 species of sedge, and 11species of broadleaf and other weeds. The most dominant weed species was Eleocharis kuroguwai, followed by Echinochloacrus-galli, Sagittaria trifolia, Monochoria vaginalis, Scirpus juncoides and Bidens tripartita. The dominance value of E. kuroguwai and B. tripartita decreased compared to the survey results performed in 2005 but that of M. vaginalis, S. juncoides, S. trifolia and E. crus-galli increased. Weed occurrence increased from 2.83 g in 2005 to 3.51 g in 2013 based on weed dry weightper m2. Occurrence ratio of annual weeds to perennial weeds changed from 45.2% : 54.8% in 2005 to 45.8% : 54.2% in 2013. Ifwe analyze dominance of weed species based on the rice transplanting timing, E. kuroguwai and E. crus-galli were the mostdominant weed species at mid-May transplanting, and M. vaginalis and S. juncoides were the most dominant weed species at late-May transplanting, and M. vaginalis and E. kuroguwai were the most dominant weed species at early-June transplanting. Sincepaddy weeds resistant to sulfonylurea herbicides are expected to be continuously increased, the regular monitoring of theiroccurrence and efficient control methods should be considered in future. 2013년에 경기 남부지역 벼 재배면적 64.9천ha를 대상으로 약 325 ha당 1점씩을 기준으로 하여 200개 지점에서답유형, 이앙시기, 농업지대 등으로 구분하여 논잡초 분포를 조사한 결과는 다음과 같다. 발생 논잡초 초종은 화본과 3종, 사초과 5종, 광엽 및 기타 잡초가 11종 등 총 19종으로 2005년 17종에 비해 2종이 증가하였다. 논잡초의우점도는 올방개> 피> 벗풀> 물달개비> 올챙이고랭이>가막사리> 순이었으며, 2005년 대비 올방개(30→21%), 가막사리(10→6%)는 감소하였고, 물달개비(815%), 올챙이고랭이(2→9%), 벗풀(14→16%), 피(16→18%)는 증가하였다. m-2 당 논잡초 발생량은 2005년 2.83 g 에서 2013년에는3.51 g으로 0.68 g 증가하였다. 일년생과 다년생잡초의 생활형 비율은 2005년 각각 45.2%: 54.8%에서 2013년에는각각 45.8%: 54.2%로 나타났다. 논유형별 논잡초 발생분포는 보통답, 습답, 사질답에서 올방개, 염해답에서는 새섬매자기가 최우점 잡초로 나타났다. 이앙기별 논잡초 발생분포는 5월 중순은 올방개, 피, 5월 하순은 물달개비, 올챙이고랭이, 6월 상순은 물달개비, 올방개가 우점하였다. 경운방법별 논잡초 발생분포는 추경은 올방개, 피, 춘경은올방개, 벗풀이 우점하였으며, 농업지대별 논잡초 발생분포는 남부평야는 올방개, 피, 서부해안은 물달개비, 가막사리, 동부내륙은 올방개, 벗풀이 우점하였다. 농가의 제초제 처리횟수는 2회 이상이 96%로 2005년 62%에 비해크게 증가하였으며, 적기처리 농가는 89%로 2005년 86%에 비해 소폭 증가하였다. 앞으로 전국적으로 문제가 되고 있는 물달개비, 올챙이고랭이 등 SU계 제초제 저항성논잡초의 발생 증가가 예상되므로 주기적인 논잡초 발생모니터링과 아울러 효율적인 방제방법에 대한 연구가 필요한 것으로 생각되었다.

      • 힘의 남용에 대한 목회 신학적 이해

        중수(Jung Soo Pak) 영남신학대학교 2006 신학과 목회 Vol.26 No.-

        In modern society and community, power becomes a desire to have. Many persons want to be great and big to over others. That is general phenomenon. In terms of social mood, especially, women and children who are powerless in society and community are vulnerable to abuse of power and tends to be abused by men who have power. In terms of this tendency, power should be defined exactly what power can be creative and productive to develop one's individuation. Power of evil does destroy web of life that increases intimacy of relationship and cooperation based on one's personality. Evil in power fragmentizes one's whole person and relationships. Self in person should be dealt carefully because of fragile from hurt. Self in psychological perspective is core to form and build one's health personality and relationship. If self damaged, one person could be dropped and dejected. Theologically, abuse of power over weak person does commit sin. Persons should respect and be respected each other to make ones similar to God's image. That is we have to be alert this point. Finally how can we protect ourselves from abuse of power? We have to get wisdom to prevent evil of power to make suffering and sorrow. Society and church must concentrate on what we reform regulations and values of life in church and society. We have to practice and exercise to seek what is good for society and church.

      • 구약성서에 나타난 트라우마(Trauma)에 대한 사회학적, 심리학적인 연구

        중수(Jung Su Pak) 영남신학대학교 2009 신학과 목회 Vol.32 No.-

        One of the worst tragedies in human being history is able to be recognized trauma which can include sexual abuse and harassment. Especially, sexual harassment as trauma can has the power to destroy personality itself and to disconnect the hope of future. Trauma as tragedy not only happens one time but also continue and sustain the negative effect of society through destructive ideology. One of the most influential effect can be pointed patriarchy that support and provide unfair power for specific sexuality. Patriarchal culture composed by male-dominance can assert its unique authority in negative way. Its outcome became serious because unfair power has many obstacles in revealing one's peculiar aspects to be wholistic personality. In order to rationalize this ideology, the current study of psychology can be distorted because of specific sexuality. Most of feminists scholar on this study resist the current study of woman's psychological application and interpretation. According to feminist's approach to uncover the distorted study on specific sexuality, the mechanism of psychology in woman's tragedy is different from the current report that exists in present circle. The crucial point we have to study is to reveal the reality about what is going on. Most of victims in trauma are women and trauma of women should be approached with woman's perspective. After study with this way for women, women's victims through sexual harrassment and abuse of power can be realized with just and equal power what are going on. The one soul can become positive and constructive view to complete one's uniqueness and have an communion with health soul.

      • Relevance feedback을 이용한 감성언어 기반 영상 검색

        중수,엄경배 국립7개대학공동논문집간행위원회 2002 공업기술연구 Vol.2 No.-

        We propose an on-line query mechanism for emotion-based similarity retrieval of images in database. It uses emotional languages for the first search. We know that it successfully catches the user's emotion. For the second search, we use relevance feedback algorithm to reflect the gap between the user's emotion and computer calculated contents. Relevance feedback successfully analyzes the data that is user's estimation of images and reduces the gap between user and computer. The features and similarity measures are adopted from MPEG-7 color descriptors which are proper retrieval of large multimedia databases. We use 286 images for experiment which are corrected from internet. The result shows that the system is successful.

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