Treatment of Agricultural By-Products by Vermicomposting-Effects of Mixture Ratio of Apple Pomace and Nightsoil Sludge on the Growth of Earthworm(Eisenia Foetida) and the Chemical Composition of Worm Casts

이용세,이주삼,조익환,전하준,이영옥,김민,Lee, Yong-Se,Lee, Ju-Sam,Jo, Ik-Hwan,Jun, Ha-Joon,Lee, Yong-Ok,Kim, Min Korean Association of Organic Agriculture 1999 韓國有機農業學會誌 Vol.8 No.1

In order to investigate the possibility of treating the different mixture ratios of apple pomace and nightsoil sludge by vermicomposting was performed and the stability of worm casts, and availability of worm casts as plant growth media was evaluated by the analysis of chemical composition. The results were obtained as follows ; 1. The value of cast production at 100% apple pomace treatment was higher than those of other mixture ratios of apple pomace and nightsoil sludge. 2. The highest values of increasing rate and reproductive efficiency were obtained at mixture ratios of 60% apple pomace with 40% nightsoil sludge. 3. The value of increasing rate at 100% nightsoil sludge treatment was lower that those of other mixture ratios of apple pomace and nightsoil sludge. 4. Organic matter, available inorganic nutrients and stability of worm casts showed high values in all treatments. It means that worm casts are an excellent plant growth media source with a high chemical composition and their stability.

토공사 건설자동화기계 시범적용을 통한 생산성 평가

이용세,Lee, Yong-Se 한국건설관리학회 2020 건설관리 : 한국건설관리학회 학회지 Vol.21 No.3

제주도 감귤원 토양에서 분리한 공생균근균의 동정

이용세,정종배,문두길 ( Yong Se Lee,Jong Bae Chung,Doo Khil Moon ) 한국균학회 1998 韓國菌學會誌 Vol.26 No.1

마이크로파를 이용한 하수슬러지의 효율적 감량화 공법

이용세,Lee, Yong-Se 한국건설관리학회 2010 한국건설관리학회 논문집 Vol.11 No.4

고추역병의 생물학적 방제를 위한 길항진균의 분리

이용세 ( Lee Yong Se ),전하준 ( Jun Ha Jun ),김상달 ( Kim Sang Dal ) 한국유기농업학회 1998 韓國有機農業學會誌 Vol.6 No.2

For isolation of antagonistic fungi antagonistic to Phytophthora capsici. A total of 157 isolates of fungi were screened from soil. Among the 157 isolates further screened by the dual culture test on potato dextrose agar and V-8 juice agar. 16 isolates were tested to show their antagonistic activity against P. capsici and Fusarium oxysporum. Fungal culture filtrates of screened 16 isolates were shown to inhibit germination of zoosporangia of P. capsici entirely and conidia of F. oxysporum considerably. Antagonistic fungi were shown to suppress of P. capsici infection of red-pepper plants maintained in the green house. Four isolates. 27 J5. 37 J10. 36 J13 and 31 K10. With the reduced disease incidence 53.3~60.0% were identified as Fusarium sp.(27 J5). Trichoderma sp. (37 J10. 36 J13) and Penicillium sp. (31 K10).

잔디 토양전염성병원진균에 대한 길항미생물의 분리 및 길항효과

이용세 ( Lee Yong-se ),전하준 ( Jun Ha-joon ),이창호 ( Lee Chang-ho ),송치현 ( Song Chi-hyun ) 한국유기농업학회 1997 韓國有機農業學會誌 Vol.6 No.1

Recently, the importance of management and cultivation of grasses has been increased in Korea. Among these cultural practices, the appropriate control of diseases is considered more important than other cultivation techniques such as fertilization and irrigation. The damages of brown patch and large patch caused by Rhizoctonia spp. and Pythium blight caused by Pythium spp. are serious in the major cultivation area of turfgrass in Korea. Since these diseases are difficult to control by agrochemicals, the damages are very serious if these diseases are occured. The periodic spray of agrochemicals to protect and control these diseases could make some problems of toxicity and environmental pollution as well as rising of non-target diseases. Therefore, the biological methods to control diseases have been required to decrease problems resulted from overuse of agrochemicals, to conserve natural ecosystem, and to control effectively diseases of grasses in the long period. The number of studies about biological control using antagonistic microorganisms have been increased for last half century. However, the application of biological control method has been very limited. In this study, thirteen isolates of R. cerealis, 8 isolates of R. solani and 3 isolates of Pythym spp. have been isolated from diseased turfgrass in golf course and grass-culture area that have patch and wilting symptoms of zoysia grass and creeping bentgrass. Isolation frequency of R. cerealis and R. solani was high in especially zoysiagrass, while Pythym spp. was isolated from bent grass at low frequency but showed high pathogenicity. Totally, 205 isolates of soil microorganisms were isolated in this study as primary antagonistic microorganism by Herr's triple agar layer plate and dual culture method using rhizosphere of grasses, soil of crop field as the source of antagonistic microorganisms. Among the 205 isolates, 23 isolates were actinomycetes and 182 isolates were bacteria. All of the actinomycetes were isolated by Herr's method. Antagonistic effect of primary isolated microorganisms was tested for in vitro mycelial growth inhibition against pathogenic fungi isolated from grasses and for inhibition of disease occurrence in 24 well tissue culture plate and pot experiment. Then, four isolates of bacteria which are BG23, BG74, BG136 and BG171 were selected as antagonistic microorganisms against soil-born pathogenic fungi of bentgrass.

연구보문 : 온실에서 길항미생물 Trichoderma hazianum DYMC 처리에 의한 고추 역병 억제 효과

이용세 ( Yong Se Lee ),장태현 ( Tae Hyun Chang ),류연주 ( Yeon Ju Ryu ),박정용 ( Jeong Yong Park ),임태헌 ( Tae Heon Lim ) 한국환경농학회 2005 한국환경농학회지 Vol.24 No.4

한지형 잔디 품종에 대한 품질 평가

장태현,이용세,정병룡,Chang, Tae-Hyun,Lee, Yong-Se,Jeong, Byeong-Ryong 한국잔디학회 2009 한국잔디학회지 Vol.23 No.2

We investigated the quality of 48 cultivar in 5 types, most popularly used in Korea golf courses. Only brown patch disease caused by Rhizoctonia solani AG1-1 was occurred naturally. While disease was developed seriously into tall fescue cultivar in spring time and into bentgrass cultivar in fall time, respectively, however, among species were not significantly different. Tall fescue and perennial ryegrass cultivar had higher chlorophyll contents in November and there were also significantly different between cultivar of tall fescue, kentucky bluegrass and fine fescue species. Turfgrass color also showed significant difference between grass species. Perennial ryegrass has the highest value of turf leaf color, followed by kentucky bluegrass and tall fescue species. Significant differences among cultivar were found in kentucky bluegrass, tall fescue and fine fescue. Although fresh weight of turfgrass was not statistically different between grass species, root length was significantly different between species. Tall fescue species had the longest root length. Fresh weight showed differences among cultivar in kentucky bluegrass, bentgrass and tall fescue species. Based on our results, growth and grass quality showed large differences among cultivar and each turfgrass species. 우리나라 골프장에 조성된 한지형 잔디 5종류 48품종에 대하여 품질을 평가하였다. 자연적으로 발생한 병은 브라운팻취병 뿐이었다. Fine fescue 품종은 봄철에 브라운팻취병이 발생하여 피해가 가장 큰 반면, bentgrass 종은 가을철 발병이 심하였으나, 품종 간에 대한 유의성의 차이는 없었다. 11월에 엽록소 함량이 가장 높은 종은 tall fescue와 perennial ryegrass 이었으며, 품종 간에 유의성의 차이를 보인 종은 tall fescue, kentucky bluegrass 및 fine fescue 이었다. 잔디색도에서도 역시 종간에 유의성이 있는 차이를 보였다. perennial ryegrass 종이 잔디색도에서 가장 높았으며, kentucky bluegrass 종과 tall fescue 종이 그 다음으로 높은 것으로 조사되었다. 잔디색도에 대한 품종 간에 높은 유의성의 차이를 보이는 종은 kentucky bluegrass, tall fescue 및 fine fescue이었다. 생체중은 잔디 종류 간에 유의성 차이는 없었지만, 뿌리 길이에서는 종간에 유의성 차이를 볼 수 있었다. 뿌리길이는 tall fescue 종이 가장 길었다. 생체중에 대한 품종간에 유의성의 차이를 보인 종은 kentucky bluegrass, bentgrass 및 tall fescue 이었다. 본 시험의 1년 결과로 볼 때 잔디의 생육과 품질은 각 종과 품종 간에 큰 차이가 있음을 알 수 있었다.

한지형 잔디의 종과 품종 간에 황색마름병의 발생 평가

장태현,이용세,Chang, Tae-Hyun,Lee, Yong-Se 한국잔디학회 2010 한국잔디학회지 Vol.24 No.1

우리나라 골프장에 조성된 한지형 잔디 5종류 48품종(creeping bentgrass 9품종, kentucky bluegrass 20품종, tall fescue 10품종, perennial ryegrass 5품종, chewing fescue 4개 품종)에 대하여 봄철에 발병하는 병의 종류와 병의 심각성을 평가하였다. Rhizoctonia cerealis에 의해 늦가을부터 자연적으로 발병한 yellow patch 뿐 이었다. 잔디 종류 중에서 Perennial ryegrass 품종과 creeping bentgrass 품종에서 이른 봄에 심각하게 발생한 반면, 다른 종류의 품종들은 통계적으로 유의성이 없었다. Creeping bentgrass 품종 중에는 "Pennlinks II"가 가장 감수성을 보였다. Yellow patch의 증상은 가장자리가 자줏빛갈색을 보였으며, 직경의 크기는 5 cm-50 cm 이었다. 이결과로 볼 때 yellow patch의 발병 률은 잔디 종류와 품종 간에 큰 차이를 보였다. We investigated occurrence of yellow patch for early spring season of 48 cultivars in 5 species of turfgrass, most popularly used in Korea golf courses. Only yellow patch disease caused by Rhizoctonia cerealis was occurred naturally from late fall season. Perennial ryegrass and creeping bentgrass cultivars showed susceptibility from yellow patch in early spring, respectively. However, among There was no significantly different between the other species. Creeping bentgrass, 'Pennlinks II' cultivar was the most susceptible. Yellow patch symptom showed reddish brown with margins in color and patch showed size from 5 cm to 50 cm in diameter. Based on our results, Yellow patch showed large differences among cultivar and each turfgrass species.

여름철 한지형 잔디의 갈색마름병 발생과 잔디 생존

장태현,이용세,Chang, Tae-Hyun,Lee, Yong-Se 한국잔디학회 2010 한국잔디학회지 Vol.24 No.2

한지형 잔디 6종류의 45품종에 대하여 여름철 갈색마름병의 발생과 잔디생존율을 평가하였다. 갈색마름병의 발생율은 7월에 2회 조사를 하였으며, 잔디생존율은 8월과 9월사이에 조사를 하였다. 여름철 갈색마름병의 발생율과 잔디생존율에서 잔디종류별 품종 간에 통계적인 유의성이 차이가 크게 나타났다. rDNA ITS 동정에 의한 갈색마름병원균인 Rhizoctonia spp. 와 Pythium aphanidermatum에의한발병율은 Creeping Bentgrass 품종과 Chewings fescue 품종이 가장 약하였다. 잔디의 생존율도 Creeping Bentgrass 품종과 Chewings fescue 품종이 가장 약하였다. Kentucky bluegrass종은 20 품종 중 "Nuglade", "Cabernet", "Midnight II" 및 "Beyond" 품종이 생존율이 가장 좋았고, Tall fescue 종은 "Double sentry"와 "Inferno" 두 품종에서 생존율이 가장 좋았으며, Perennial ryegrass 종은 2품종 중 "Accent II" 품종이 생존율이 가장 높았다. Turfgrass survival and ocurrence of brown patch disease during summer season were investigated the forty six cultivars of cool season grasses in 6 species, popularly used in golf courses in Korea. Ocurrence of brown patch disease was evaluated two times in July. The percentage of turfgrass survival was investigated on Aug. 20 and on Sep. 20 in 2010. There were significant difference for the percentage of turfgrass survival and brown patch disease occurrence among cultivars. Brown patch disease caused by Rhizoctonia spp. and Pythium aphanidermatum with rDNA ITS were showed most susceptible in creeping bentgrass (Agrostis palustris Huds) cultivars and chewings fescue (Festuca rubra var. commutata Gaud) cultivars. The percentage of turfgrass survival during August to September was showed lower creeping bentgrass cultivars and chewings fescue cultivars than another cultivars. Among of 20 cultivars in Kentucky bluegrass (Poa pratensis L.) species were showed highest survival in cultivars of "Nuglade", "Cabernet", "Midnight II" and "Beyond". 6 cultivars of Tall fescue (Festuca arundinacea Schreb) were showed highest survival in cultivars of "Double sentry", "Inferno", and cultivars of "Accent II" in Perennial ryegrass (Lolium parenne L.) species.