• Mycobiology
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• 제34권1호
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• pp.34-37
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• 2006

Growth responses of Zea mays and Glycine max to colonization by mixture of combination of three species of arbuscular mycorrhizal (AM) fungi, two species of Glomus and a species of Scutellospora were compared. In Zea mays, plants inoculated with single species of AM fungi showed significantly higher in dry weight than non-mycorrhizal plant for all three AM fungal species. Also, growth of plants inoculated with spores of two species of AM fungi was significantly higher than nonmycorrhizal control except for plants inoculated with two Glomus species. When three species of AM fungi were inoculated, the plants showed the highest growth. In Glycine max, plants with single AM fungal species inoculation were not significantly different in plant growth from nonmycorrhizal plants. When the plants were inoculated with combination of two or more AM fungal species, their growth significantly increased compared to nonmycorrhizal plants. In both plant species, mycorrhizal root colonization by Scutellospora species was significantly lower than by Glomus species.

• 한국환경복원기술학회지
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• 제8권2호
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• pp.90-97
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• 2005

This study aimed to address problems and suggest solutions in applying seed mixture design criterior of slope revegetation works according to the "Slope revegetation design and guidelines(proposed)" proposed by the Ministry of Construction and Transportation. To do this, a proper thickness of attaching soil media was identified in April experiment where the thickness and slopes varied. The results were as follows. In the test, the coverage rate of plot where exotic grass was not sowed increased with time and was 79.3% after three months of seeding, which indicated less risk of soil erosion. When applying the provisional standards of the plant mix proposed by the Ministry of Construction and Transportation, tree seeds and native plants were found ill in the early stage in all test lands due to exotic grass. This was because exotic grass which grew well in the early stage, could grow densely, so it might hamper the growth of other plants. When slope revegetation were planted and goals were set for herb, shrub and tree dominant mixture types, it was required to shift focus toward nursing up native plants first rather than early plantation of exotic grass.

• 한국산학기술학회논문지
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• 제6권4호
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• pp.296-301
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• 2005

본 연구는 암비탈면 녹화시 음식물퇴비가 식생기반재료로 활용될 수 있는지에 대한 기초자료를 얻기 위해 실시되었다. 녹화용 식생으로 외래초종 Creeping red fescue(Festuca rubra), Perennial ryegrass(Lolium perenne) 2종을, 재래 초목본 쪽제비싸리(Amorpha fruticosa), 낭아초(Indigofera pseudo-tinctoria) 2종을 선정하여, 염분농도와 퇴비 사용량에 따른 종자별 발아특성 및 인공비탈면에서의 혼파실험을 통한 생육특성을 조사하였다. 염분농도에 따른 발아특성은 쪽제비싸리, 낭아초, Perennial ryegrass의 경우 $0.4\%$ 이상 NaCl 농도에서 발아율과 유아 및 유근길이가 급격히 감소하였으며, Creeping red fescue는 $0.2\%$ 이상 NaCl 농도에서 매우 급격한 생육저해가 일어났다. 퇴비 시용량에 따른 발아특성은 쪽제비싸리와 낭아초의 경우 모든 실험구에서 $45\%$ 내외의 발아를 보였으며, Perennial ryegrass는 퇴비시용량이 많을수록 초장의 성장이 증가하는 경향을 보였다. 피복률은 Mixture III가 $89.3\%$로 가장 높았으며, Mixture III > Mixture IV > Mixture II > Mixture I순이었다. Mixture I은 30일 후 $47.0\%$를 보였으나 45일 후에는 $64.1\%$로 높아졌다. 외래초종의 생육이 활발한 실험구 일수록 피복률이 높은 관계를 보였다.

• 생약학회지
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• 제22권2호
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• pp.78-84
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• 1991

From the whole plants of Orostachys japonicus(Crassulaceae), fatty acid ester mixture, seco-A-triterpene mixture, glutinone, friedelin, ${\beta}-amyrin$, glutinol, epifridelanol, 1-hexatriacontanol, sterol mixture, steryl glucoside mixture were isolated and characterized by spectral data.

• 한국실내디자인학회논문집
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• 제11호
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• pp.31-37
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• 1997

This study intens to provide available guideline of useful plants in interior and be used by designer. It focuses on evaluating the character of plants, the method of installation and the form of composition for suitable design of using plants. The study finds out that using plants in interior are necessary positively by 94% respondents. And results of factor analysis are that plants are needed for emothional stability(factor 1), visual charming(factor 2), and educational effection(factor 3). According to job, the group of students is visual charming (P=0.0037), the public servants and housewives is educational effection(p=0.0029). The most available space of plants as follows : Department(30.5%), Hotell(26.3%), House and Restuarant(12.7%). It has been identified that the public institution and commercial space are much indused plants. The most indused plants in house is ordered that the veranda, the living room, the entrance. This result is concerned about relation of natural light plants. The repondants reply that the favorite arrangement style is the corner form(63%), the center garden form(52.1%), the large planter(19.7%), the planter box(11.3%). They respond that they are more favorite light green color than dark, and mono color than mixture color. Finally, interior Designers should be understood the functional and aesthetic elements and the special interest about plants for developing desigv.

• Environmental Analysis Health and Toxicology
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• 제17권1호
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• pp.29-35
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• 2002

The test of germination has been used as a good indicator to assess the toxicity of chemicals to plant. This study was carried out to investigate the effect of PAHs, anthracene and phenanthrene, on germination ratio, germination index and germination time of barley, tall fescue and alfafa. Anthracene and phenathrene induced to decrease the seedling length and increase the germination time of the experimental plants. But they did not affect the maximum germination ratio. While it was not correlated between seedling length and final germination ratio, it was shown a close relationship between seedling length and mean germination time of the plants. These results suggested that the mean of germination time and seedling growth could be useful to exmine the phyto -toxicological effect of PAHs. The mixture of anthracene and phenanthrene was examined to investigate the combined effect on seedling length; the mixture induced the reduction of seedling. This was meant that the mixture toxicity of PAHs might be not shown in the sum of each chemical toxicity.

• Journal of Ginseng Research
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• 제14권3호
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• pp.421-426
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• 1990

Field and laboratory works were conducted to Investigate the life history, ginseng damage and chemical control effect of the field slug, Deroceras varians A. Adams. D. varians laid eggs from April to June, but a small number of eggs were also found from July to September in the field. Most young slugs grew through the slimmer months to maturity by October. overwintered beneath the moist soil surface, and began feeding and egg-laying in the following April. indicating that D varians have a life cycle in a year. Damage of ginseng plants by D. varina occurred mainly from late April to mid May in the 3rd to 5th year ginseng fields with rice-straw mulching. It seems that this damage is caused by the adults in oviposition periods and related to rice-straw mulching of ginseng fields. In the experiment, ethoprop 5% granule and metaldehyde 6% bait showed relatively high effectiveness in the control of D. varians adults. Bordeaux mixture was more effective when the chemical was sprayed after infestation of the slug than before the infestation and when the 6-12 mixture was used.

• 고려인삼학회:학술대회논문집
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• 고려인삼학회 1974년도 학술대회지
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• pp.77-93
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• 1974

The sapogenins of two-and four-year-old A-merican ginseng plants (Panax quinquefolium L.) (Araliaceae) collected in July and September were studied. American ginseng saponins (panaquilins) differ from Korean ginseng (Panax ginseng C. A. Meyer) saponins (ginsenosides). The American ginseng saponins separated and named were panaquilins A, B, C, D, E-l, E-2, E-3, G-l, G-2, (c) and (d). One-dimensional thin-layer chromatography did not completely separate panaquilin mixture and were subject to misinterpretation. The panaquilins were more accurately separated and identified by the two-dimensional thin-layer method established. Some differences in American ginseng saponins were dependent upon the plant age, time of collection, and part extracted. The American ginseng sapogenin components are panxadiol (panaquilins B and C), oleanolic acid (panaquilin D) and panaxatriol (panaquilin G-l). The panaquilins E-l, E-2 and E-3 mixture contains both panaxadiol and panaxatriol. The genins of panaquilins A, (c), (d) and G-2 were not identified. In addition, ${\beta}-sitosterol$ and stigmasterol were identified from the root ether extracts.

• 한국콘크리트학회:학술대회논문집
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• 한국콘크리트학회 2004년도 추계 학술발표회 제16권2호
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• pp.735-738
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• 2004

In this study, it was founded to make the optimal mixture for producing concrete which is self-compacting, yet, and generates low heat of hydration by using fly ash, blast furnace slags and limestone powders as binders in addition to cement while using super-plasticizers and viscosity agents as admixture agents. The structural behaviors of the concrete produced with the selected mixture were compared with those of the concrete currently using for construction of nuclear power plants. The study shows that the blended high fluidity concrete including limestone is better in workability and durability than the concrete currently in use for nuclear power plants.

• 한국콘크리트학회:학술대회논문집
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• 한국콘크리트학회 2004년도 추계 학술발표회 제16권2호
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• pp.739-742
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• 2004

In this study, it was founded to make the optimal mixture for producing concrete which is self-compacting, yet, and generates low heat of hydration by using flyash, blast furnace slags and limestone powders as binders in addition to cement while using super-plasticizers and viscosity agents as admixture agents. The structural behaviors of the concrete produced with the selected mixture were compared with those of the concrete currently using for construction of nuclear power plants. The study shows that the blended high fluidity concrete including limestone is better in workability and durability than the concrete currently in use for nuclear power plants.