• 한국조경학회지
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• 제19권2호
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• pp.65-74
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• 1991

The purpose of this study was to find the basic application of Disporum genus in landscape-arc-hitectual space. Environment of native site (Daeducksan, Piseulsan) and growth characteristics of experiment plot were investigated and analyzed in this study. The results of this study were as follows; 1. In the case of environment of native site, the relative light intensity was about 10% and distribution of species were primarily north slope. Gradient of Daeducksan and Piseulsan were 10$^{\circ}$, 18$^{\circ}$ Soil textures was Lic both and field capacity of Daeducksan and Piseulsan were 69%, 73.5%. The soil pH of Daeducksan and Piseulsan were 6.1 and 5.8. The both content of organic matter and C.E.C. were high markedly. The P2O5 content of Daeducksan showed high but total nitrogen showed nearly the same level when comparing with the common dry field condition. 2. In tree layer, Daeducksan composed of broadleaved forest of 80% involving Quercus variabilis, and Piseulsan composed of coniferous forest of 80% involving Pinus densiflora on the other hand. Daeducksan, therefore, was more appearance species than Piseulsan in herbaceous layer. 3. Result in ANOVA Test, significance followed with light intensity was recognized in plant height, leaf width, leaf length, leaf thick and No. of leaf, while in the case of soil was not. Plant height was longest in 1% and leaf width, leaf length was largest in 25%. Therefore ornamental value of leaf was the very best in 25%. 4. Result in correlation coefficient analysis, plant height was correlated leaf width, leaf length. The longer plant height, the smaller leaf width, leaf length. In relative light intensity of 1%, flower was hardly expected because of the more shade, the less flower. Disporum smilacinum is expected great use as ground covers in the shades of tall-building or hdavy woods.

• 한국산림과학회지
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• 제45권1호
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• pp.1-10
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• 1979

P. alba${\times}$glandulosa 교잡종(交雜種)의 지속적(持續的)인 개량(改良)을 위하여 교배양친수(交配兩親樹)의 gene population의 규모가 커야 할 것이나 현재(現在) P. glandulosa는 몇 그루만이 존재(存在)하고 또한 이 수종(樹種)은 P. alda와 P. davidiana의 자연잡종(自然雜種)에서 분리(分離)된 P. davidiana에 가까운 개체(個体)로 인식(認識)하고 있는바 P. glandulosa의 gene population을 넓힐려면 P. alba와 P. davidiana의 여러 교잡종(交雜種)을 만들어 우선 잎의 특성(特性)을 비교(比較)하여 P. glandulosa에 가까운 개체(個体)를 선발(選拔)코저 본시험(本試驗)을 실시(實施)한바 그 결과(結果)는 다음과 같다. 1. P. glandulosa는 엽리면(葉裏面)의 털이 약간 있고 잎 가장자리는 serrate. 엽기부(葉基部)에 gland가 있다. 교잡(交雜)에서 이 특성(特性)에 유사한 개체(個体)는 P. alba davidiana${\times}$P. davidiana에서 44%, P. davidiana alba${\times}$P. davidiana에서 90%가 나타났고 2. 잎의 크기의 비(比) 즉 엽장(葉長), 엽폭(葉幅), 엽기부(葉基部)에서 장폭(帳幅)까지 길이, 엽병장(葉柄長)을 비교(比較)한 결과(結果) P. glandulosa와 유사하여 선발(選拔)한 개체(個体)들은 잎크기의 비(比)가 P. glandulosa와 비슷 하였으며 3. 엽리면(葉裏面)의 은모(銀毛)가 차대(次代)에 유전(遺傳)하는 정도(程度)는 교배양친수종(交配兩親樹種)의 중간(中間) 정도(程度)의 형질(形質)을 나타내며 P. alba를 교배모수(交配母樹) 혹은 화분수(花粉樹)로 사용했을 때 그 차대(次代)에 털의 밀도(密度)는 서로 다르게 나타났다. 즉 화분수(花粉樹)로 사용했을 때 그 차대(次代)에 털의 밀도(密度)가 높았다. 4. P. glandulosa의 엽기부(葉基部)에 gland는 P. davidiana의 gland가 있는 개체(個体)에서 유전(遺傳)된 것으로 생각된다. 즉 P. alba에는 gland가 없고 P. davidiana는 gland가 있는 개체(個体)도 있고 없는 개체(個体)도 있으므로 gland가 있는 P. davidiana로부터 유전(遺傳)된 것으로 생각된다.

• 한국작물학회:학술대회논문집
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• 한국작물학회 2000년도 춘계 학술대회지
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• pp.342-343
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• 2000

• 한국농촌건축학회논문집
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• 제12권3호
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• pp.1-10
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• 2010

Knowing in a view of legislation, we are able to use modernly the interior of registered cultural property with its preservation and its use freely in the limit of not changing the outer appearance. And on investigation, many building registered as cultural property has been used continuously with the function kept or changed. It means that modern building must keep their function at kept to survive in a change of city construction. Likewise, even Jae cheon leaf tobacco receipt agency lose the original function, there will be great possibilities that the agency may be changed or disappeared if we don't preserve it or give it a new function by making out the meaning of preservation. So, if Jae Cheon leaf tobacco receipt agency is restored as mentioned above in close cooperation with related organization, Jae Cheon area will demonstrate the meaning as a representative producing district of leaf tobacco with its cultural value in Korean modern ages.

• 한국식품저장유통학회지
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• 제19권1호
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• pp.19-25
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• 2012

새싹이나 어린잎과 같이 싹을 길러 이용할 수 있는 채소에 대한 관심이 커지고 있으나, 조직이 연해 수확 후 급격히 품질이 저하되어, 품질을 유지할 수 있도록 수확 전 재배에서부터 개선방법을 강구하고자 하였다. 본 실험에서는 다채의 어린잎 채소를 재배 중에 brushing처리를 주어 생육 및 재배 후 포장하여, 중량감소, 선도와 SPAD 등의 수확 전 요인에 따른 수확 후 변화 요인을 조사하였다. 수확 시 다채의 생육은 무처리구에 비해 물리적 brushing처리구에서 초장이나 생체중은 적었으나, 조직이 치밀한 것으로 나타났다. 재배 중 brushing처리한 어린 다채 잎은 저장 중 생체중량 변화, $O_2$ 소모나 $CO_2$ 축적 정도, 색차 변화가 적은 경향을 보였다. 그러나 SPAD값이나 선도에서는 처리간의 큰 차이를 보이지 않았다. 어린 다채 잎은 재배 중 물리적 brushing처리로 식물 조직이 치밀해지고, 생육은 적어졌으나, 포장 후 저장 특성은 다소 차이가 있었으나, 선도에는 큰 차이를 보이지 않은 것으로 나타났다. 어린잎 채소 다채는 재배 중 brushing처리에 의한 물리적 처리가 수확 후 미치는 영향이 크지 않아, 다른 방법으로 품질을 개선할 수 있는 연구가 필요할 것으로 생각된다.

• Journal of Plant Biotechnology
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• 제2권1호
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• pp.51-54
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• 2000

Leaf explants of the cucumber (Cucumis sativus L.) were cultured on Murashige and Skoog's (MS) medium supplemented with various concentrations of $\alpha$-naphthalene acetic acid (NAA) and 6-benzylaminopurine (BAP). Direct shoot orgnogenesis as well as callus formation with somatic embryos and multiple shoots was observed from leaf explants of cvs. Shinhukjinju and Chungjang. The highest frequency of shoot formation 80% was observed on MS medium supplemented with NAA/BAP (5.0 ${\mu}{\textrm}{m}$/2.5 ${\mu}{\textrm}{m}$), with explants forming 3-7 shoots. Shoots formation occured within 3 to 4 weeks. Only one subculture of calli was required for plant regeneration on normal growth regulator-free medium. Plantlets transferred to soil developed into plants of normal appearance, which flowered and set fruits.

• 한국연초학회지
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• 제6권2호
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• pp.147-153
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• 1984

During curing of aromatic tobacco leaves, coloring temperatures were set at 26, 30, 34, 38 and $42^{\circ}C$, and also leaf drying temperatures were established at 35, 40, 45, 50, 55 and $60^{\circ}C$, respectively, to investigate the thermal effect on characteristics of cured leaves. Appearance of yellow color from green was accelerated, the contents of non-volatile organic and higher fatty acids in leaves tended to increase with the higher yellowing temperature. Quality by price per kg was best at 45-$50^{\circ}C$ and score of smoking test was highest at 40-$50^{\circ}C$ during leaf drying stage. The concentrations of non-volatile organic acids and volatile essential oil inclined to decrease, but a reverse in this trend with higher fatty acids as temperature increased during leaf drying stage. The difference of other components was discussed.

• 한국유기농업학회지
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• 제19권spc호
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• pp.123-126
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• 2011

To investigate the forecasting of plant disease and insect for an agricultural complex and farm in environment-friendly cultivation of Rice, environment-friendly agricultural five complexs and five farms were selected in Youngam and Naju area, Jonnam, Korea. Preventation objects of plant disease and insect were leaf blast, neck blast, sheath blight, bacterial leaf blight, and hopper. Factors of sheath blight occurrence in environment-friendly agricultural complex were a fast transplanting time and a narrow planting density. Bacterial leaf blight in rice occurred severely in the area under water. Rice growth in environment-friendly agricultural complex was decreased heavy drying by hopper appearance.

• 대한본초학회지
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• 제29권4호
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• pp.61-67
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• 2014

Objectives : To present a differential standard of Armeniacae Semen and Persicae Semen that are easily confused. Methods : It was planed a differential standard form through outer appearance of the original plant, outer appearance in the form of each medicines and the appearance of the interior form through a microscope for each samples. Using an standard compound amygdalin, each samples have been analyzed by HPLC and TLC. Results : It was possible to distinguish the orignal plant between Armeniacae Semen and Persicae Semen through its leaf shape and calyx type. In Outer appearance in the form of each medicines, there was no difference pre-existing method(measuring length and width). In vascular pattern of the surface, however, there was a clear difference that Armeniacae Semen was developed more reticulated branches than Persicae Semen. In appearance through a microscope, it has not been possible to find a clear difference in the per original plant. However, there was a clear difference between Armeniacae Semen(1 layer) and Persicae Semen(3 layer) in inner albubemen cell. In TLC analysis, there was no difference in the pattern between samples. But in HPLC analysis, Armeniacae Semen showed amygdalin content higher on average. Conclusions : It will be possible to find various differences in the outer appearance of the original plant, the outer appearance in the form of each medicines, the appearance of the interior form through a microscope and physical and chemical research component.

• International Journal of Industrial Entomology and Biomaterials
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• 제12권1호
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• pp.21-28
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• 2006

Peroxidase activity was measured in brown leaf spot pathogen (Myrothecium roridum) inoculated potted mulberry (Morus alba) during pre-symptomatic to various symptom development stages and compared with corresponding healthy leaf tissues. The enzyme showed a pH optimum of 7.0 and the activity was linearly increased up to 15 min of incubation. The peroxidase had a broad substrate specificity and the rates of oxidation were in the rank of pyrogallol> guaiacol> ascorbate at pH 7.0. Catechol at 10 mM inhibited 89% of guaiacol-peroxidase and 76% pyrogallol-peroxidase activities, indicated higher non-specific peroxidation in pyrogallol dependent assay system in mulberry than guaiacol. The optimum requirement for the guaiacol dependent assay was 0.2 ml (${\approx}40-60{\mu}g$ equivalent of protein) of crude enzyme source. Excepting the 8th leaf from the apex, the peroxidase activity did not vary appreciably in different leaf positions. In pre-symptomatic phases, an initial (1 to 5 min) rise of peroxidase activity was noticed in inoculated leaves, and then maintained a plateau up to 300 min. In contrary, non-infected tissue showed a slightly increased trend of enzyme level up to 420 min. In infected tissue, a sharp transient increase (3.1 fold) of peroxidase activity appeared between 300 - 420 min post infections. Afterwards, significantly different but steady maintenance of enzyme levels were observed in two treatments. On the other hand, during symptom development, a sharp increase in peroxidase activity was noticed up to 4th grade of lesion appearance (25.1 % to 50% of leaf area infection), and then declined slightly. However, in non-infected but same age healthy leaves, such huge fluctuations of enzyme level did not apparent. A high positive correlation $(R^2=0.92)$ between peroxidase activity and leaf spot development grades was also marked. The result implies that pre-symptomatic burst (between 1 - 5 and 300 - 420 min) and subsequent increased trend of guaiacol peroxidase activity may require for the symptomatic manifestation of Myrothecium leaf spot in mulberry.