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풋콩의 생육시기별 베노밀 처리가 미이라 감염율 및 수량에 미치는 영향
盧在煥,金律虎,金弘植,金明起,李吉馥,金奭東 韓國作物學會 1997 Korean journal of crop science Vol.42 No.3
풋콩에서 문제시되는 미이라병의 꼬투리 리병 및 종실감염을 줄이기 위해 포장에서 베노밀을 생육 시기별로 처리한 결과는 다음과 같다. 1. 베노밀 처리에 따라 미이라병반이 없는 풋콩의 건전 꼬투리비율은 R5기 1회처리와 R4+R5기 2회처리에서 가장 높았다. 2. 건전 꼬투리비율은 주경보다 분지에서, 그리고 상위부가 하위부보다 높았다. 3. 종실의 미이라리병입율은 베노밀 처리에 따라 감소되었고, R6기 1회처리와 R4.+R6기 2회처리에서 낮았다. 4. 베노밀 처리에 다라 건전 꼬투리 및 종실비율이 높아져서 건전 꼬투리수량은 34∼76% 그리고 종실수량은 51∼98% 증수하였다. This study was conducted to investigate the effects of benomyl application at different growth stages on the infection of green pod and seed by Phomopsis spp. and yield in vegetable soybean. One early maturing vegetable soybean variety 'Seokryangputkong' was planted on 20 April at Suwon in 1996. The rate of non-infected green pods by Phomopsis spp. was most highly suppressed by benomyl application once at the R5 stage and twice at R4 and R6 stages. The rate of non-infected green pods was higher in branches than in mainstem, and in upper than in low part of plant. The Phomopsis seed decay at maturity was most highly decreased by benomyl application once at the R6 stage and twice at the R4 and R6 stages. Benomyl application effectively reduced the infection rate of green pod and seeds by Phomopsis spp. and increased the yield of non-infected green pods by 34∼76% and non-infected seeds by 51∼98%.
盧在丸,金相贊,金先熙 대한본초학회 1998 大韓本草學會誌 Vol.13 No.2
This experimental study was carried out to investigate the effects of Yipahnsan(立安散) on both endotosin-induced blood stasis model(Ed Model), and hydrocortisone acetate(HA)-induced blood stasis model(HA Model). Rats of Ed Model (i.v. injection, 0.1㎎/㎏ body weight, through caudal vein, once)were orally administrated liquid extract of Yipahnsan(Sample A. SA: 0.5g/100g body weight, Sample B. SB: 1.0g/100g body weight) and then observed platlet, fibrinogen level, prothrombin time and FDP level. Another rats of HA Model (i.m. injection, 5㎎/200g body weight into the muscular rump, for 7days)were orally administrated liquid extract of Yipahnsan(Sample A. SA: 0.5g/100g body weight, Sample B. SB: 1.0g/100g body weight) and then observed fibrinogen level, prothrombin time, whole blood viscosity and plasma viscosity. The results were summarized as follows; 1. Platet was increased in all Ed Model(SA, SB) as compared with control group, especially SB showed significant increase. 2. Fibrinogen was increased in all treatment group (Ed, HA Model) as compared with control gorup, especially SB of HA Model showed significant increase. 3. Prothrombin time were shortened in all treatment group(Ed, HA Model) as compared with control group, especially SB of HA Model showed significant short. 4. FDP level was decreased in all Ed Model(SA, SB) as compared with control group, but there was not statistical significance. 5. Whole blood viscosity and plasma viscosity were decreased in all HA Model(SA, SB) as compared with control group, especially SA of HA Model showed significant decrease in 22.5 shear rate, SB of HA Model showed significant decrease in 22.5, 45.0 shear rate.
노재환,조영찬,김연규,오인석,이장용,한성숙 한국육종학회 2007 한국육종학회지 Vol.39 No.3
Blast resistance of 18 rice cultivars which recommended as a high quality rice cultivars evaluated by blast nursery test, seedling test, and field screening and sequential planting methods. Sangmibyeo, Hwayeongbyeo, and Dongjin 1 were showed high resistance reaction to leaf blast at the blast nursery continuously, while Chucheongbyeo showed highest disease severity. All of the early maturing cultivars, Odaebyeo, Junghwabyeo, and Sangmibyeo, showed the lowest compatibility against 25 blast isolates. Saechucheongbyeo, a multiline variety of Chucheongbyeo genetic background showed 45.8%, half compatibility of 82.6% in Chucheongbyeo against 25 isolates screened. Diseased leaf areas (DLA, %) of cultivars were very low level at all test sites in the field test. Three cultivars, Sangmibyeo, Ilmibyeo, and Junghwabyeo didn’t show any leaf blast lesions across the test sites. The most variable incidences of panicle blast were observed on Odaebyeo which was 42.4%, 0.4%. and 0.0% at Jaecheon, Naju, and Chuncheon, respectively. In the sequential planting method, four rice cultivars, Nampyeongbyeo, Sindongjinbyeo, Hwayeongbyeo, and Junambyeo showed less than 40% disease leaf area (DLA) from 1st planting to 7th planting, so those cultivars were considered as a durable resistant rice cultivar against rice blast diseases.
국내 주요 벼 품종의 한국과 필리핀 도열병 균주에 대한 저항성 평가
노재환,조영찬,오인석,김연규,한성숙,C. Vera Cruz,H. Leung 한국육종학회 2008 한국육종학회지 Vol.40 No.4
Blast resistance of one hundred and thirty-one rice cultivars bred in Korea was tested with thirty Korean isolates and twenty-two Philippines isolates using three screening methods. In the blast nursery conducted in Korea and in the Philippines, average disease index of rice cultivars were 4.6 and 2.2, respectively. Seventy-nine cultivars showed different resistance reaction in Korea and in the Philippines, and 19 cultivars showed the same resistant reaction in two locations. In the seedling test, Korean blast isolates displayed different levels of virulence. 93-093, a Korean isolate, was compatible with 90 cultivars whereas 97-057 showed a compatible reaction with 13 cultivars. Twenty-three cultivars showed high level of resistance against Korean and Philippines isolates but Chucheongbyeo, Heugnambyeo, and Manmibyeo showed susceptible reaction to all blast isolates. Through the sequential planting test in Korea and in the Philippines, Palgongbyeo and Seomjinbyeo displayed durable resistance, and Nagdongbyeo and Gihobyeo showed high level of disease infection over the planting time. These results indicate that blast isolates collected in two countries have different genetic background and number of compatible isolates should be considered in definition the durability of rice cultivar to rice blast.
이동 네트워크를 위한 가우스 마코프 모델에서 평균 이동각도 조절을 통한 균형잡힌 이동 패턴 생성
노재환(Jaehwan Noh),이병직(Byeongjik Lee),류정필(Jungpil Ryu),하남구(Namkoo Ha),한기준(Kijun Han) 한국정보과학회 2004 한국정보과학회 학술발표논문집 Vol.31 No.1A
이동성이 중요시 되는 네트워크에서 특정 프로토콜의 성능 평가를 위해서는 노드의 이동패턴을 정확하게 표현할 수 있는 Mobility Model이 필요하다. 노드의 연속적인 이동패턴을 필요로 하는 Mobile Ad-hoc 네트워크를 위해선 Markov process 기반의 Gauss-Markov Mobility Model이 적절하다. 그러나 맵의 엣지부근에서 노드 이동의 부적절한 처리로 인해, 기존의 Gauss-Markov Model은 편중된 이동 패턴을 야기한다. 본 논문은 엣지 부근의 평균 이동각도를 랜덤하게 조정함으로써 기존의 모델이 가진 문제를 해결하고, 시뮬레이션을 통해서 이를 검증한다.