Journal of The Korean Society of Grassland and Forage Science
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v.21
no.1
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pp.15-20
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2001
Plant growth regulators were treated on the cut perennial ryegrass (Lolium perenne L. cv. Reveille) to investigate the effect on the regrowth after cutting. The growth showed better result when 0.1 or 0.5 mg/L cytokinin were treated. Among cytokinins, kinetin or 2iP gave the better effect on the growth than BAP. In 2.4-D as an auxin. cut plants grew best at the concentration of 0.1 mg/L. The initial regrowth was very vigorous when GA$_3$ was treated as a growth regulator, but the growth was retarded after 2 weeks later of cutting. Co-treatment of kinetin as a cytokinin and 2,4-D as an auxin showed synergistic effect on the regrowth of cut perennial ryegrass. Both plant growth regulators gave the same result at the same concentrations in the suspension culture of perennial ryegrass cells.
This study was conducted to figure out the effect of KOB Soil on creeping bentgrass‘Cobra’, Kentucky bluegrass (KB)‘Midnight’75% + Perennial ryegrass (PR)‘Palmer III’25%. This experiment was conducted from September 1, 2001 to August 31, 2002 at Hwajoulryong in Jeongsun County, Gwangwon-do. Treatments were Sand 80% + Peatmoss 20%, Sand 80% +KOB-Soil (No. 1) 20%, and Sand 80% +KOB-Soil (No. 2) 20%. Treatments with KOB Soils was superior to control fer the leaf length, number of leaf, turf quality and root length in Creeping bengrass and Kentucky bluegrass + Perennial ryegrass.
The study is aimed to understand effects of ethephon(lmg/1), ABA(0.lrng/l), BA(0.lmg/l). and NAA (0.lmg /1) soaking treatment on the seed germination of perennial ryegrass 'Dandy', creeping bentgrass 'Penlinks', tall fescue 'Arid' and kentucky bluegrass 'Nasaw'. These experiments are carried in vitro and their results are summarized as the followings ; In case of ethephon (lmg /1) soaking treatment of seed, the early germination of tall fescue 'Arid' and perennial ryegrass 'Dandy' was good without the soaking times. creeping bentgrass 'Penlinks' and kentucky bluegrass 'Nasaw' obtained the best results at 12 hr. soking treatment, and the longer the soaking time, the higher the germination percentage. The early germination percentage of tall fescue 'Arid' and perennial ryegrass 'Dandy' increased more highly at ABA(0. tmg /1) soaking treatment than at the control. The germination percent-age of creeping loentgrass 'Penlink' and kentucky bluegrass 'Nasaw' had respectively the best results at 6hr. and l2hr. soaking treatment. The early germination percentage of tall fescue 'Arid' and kentucky bluegrass 'Nasaw'increased more highly at BA (0.lmg /1) soaking treatment than at the control, and especially had the best results in 6hr. soaking treatment. perennial ryegrass 'Dandy' had the best results at l0min. soaking treatment, and the longer the soaking time, the lesser the germination percentage. The early germination of perennial ryegrass 'Dandy'. creeping bentgrass 'Penlinks' and tall fes- cue 'Arid' increased more highly at NAA (0.lmg /1) soaking treatment than at the control, and especially had the best results at l2hr. soaking treatment. However, the germination of Kentucky bluegrass 'Nasaw' seeds inhibited at NAA (0.lmg /1) soaking treatment. Key words: Ethephon, ABA, BA, NAA, Soaking treatment, Seed germination.
To compare the vitality among cool-season turfgrasses under summer weather conditions and to obtain information to improve the management of turfgrasses in golf courses and sports fields., the chlorophyll fluorescence of three cool-season turfgrasses commonly planted on golf courses in the Jeju area was measured. The turfgrasses were perennial ryegrass (Lolium perenne L.), Kentucky bluegrass (Poa pratensis L.), and creeping bentgrass (Agrostis palustris Huds.). In perennial ryegrass and Kentucky bluegrass, the chlorophyll index was low in early summer and high in late summer. In creeping bentgrass, it remained low throughout the study. Fo tended to be low in the early summer and high in late summer in the three turfgrasses. However, the difference in Fo between late summer and early summer was markedly higher in perennial ryegrass than in Kentucky bluegrass or creeping bentgrass. Fm tended to be low in early summer and high in late summer, without obvious differences among the three turfgrasses. Fv/Fm, a measure of photochemical efficiency, was also low in early summer and high in late summer in the three turfgrasses. However, Fv/Fm in late summer was mostly higher in Kentucky bluegrass and creeping bentgrass than in perennial ryegrass, indicating that the former are more resistant to the high temperature and humidity of late summer. Furthermore, Kentucky bluegrass had a high chlorophyll index in late summer and would be most resistant to the harsh conditions of late summer.
Journal of The Korean Society of Grassland and Forage Science
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v.7
no.1
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pp.1-7
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1987
A pot experiment conducted to investigate the root elongation and weight of grasses, i.e. Orchardgrass, tall fescue and perennial ryegrass under the conditions adjusted pH of half vertical part of pot soil to seven levels from 2 to 8. 1. Root growth was drastically decreased as soil pH was lowed. 2. Higer the soil pH, longer the root length. Increase of soil pH to 6 increased the root length of orchardgrass, perennial ryegrass and tall fescue. 3. Regardless of grass species, most of roots distributed to the soil which adjusted pH from 6 to 7. 4. Dry weight of root was increased to pH 7 of soil in orchardgrass and perennial ryegrass and was 55 to 78% of production of pH 6 compared with soil pH 7. In case of tall fescue, dry root weight in the soil pH 7 was 69.8% of root weight growed in soil pH 6.
The Journal of Korean Medicine Ophthalmology and Otolaryngology and Dermatology
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v.22
no.1
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pp.141-147
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2009
Objective : We investigated the effects of BOM Gunbisoyeom-tang(Jianbixiaoyan-tang) Gamibang having prescribed clinically to patients with perennial allergic rhinitis. Methods : We prescribed BOM Gunbisoyeom-tang(Jianbixiaoyan-tang) Gamibang for 1 month to 77 patients visiting to KimKiJoon Orentalclinic BOM from January 1 to December 31, 2008 with perennial allergic rhinitis and analysised the questionnaire(symptom severity assessment) before and after treatment. Results : BOM Gunbisoyeom-tang(Jianbixiaoyan-tang) Gamibang improved significantly all nosal symptoms(sneezing, runny nose, congestion, itchy nose and postnasal drip), some non-nasal symptoms(eye and throat symptoms, headache and mental function) except chromic cough and ear symptoms and quality of life. Conclusion : BOM Gunbisoyeom-tang(Jianbixiaoyan-tang) Gamibang cured effectively patients with perennial allergic rhinitis by 1 month treatment but not perfectly. So further studies are needed for treatment duration and changes of pathological index before and after treatment.
Journal of The Korean Society of Grassland and Forage Science
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v.6
no.2
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pp.103-110
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1986
The experiments were carried out to study the influence of meteorological factors and cutting management on dry matter accumulation and net energy value in orchardgrass (Dactlylis glomerata L.) cv. Potomac and Baraula, perennial ryegrass (Lolium perenne L.) cv. Reveille and Semperweide and meadow fescue (Festuca pratensis Huds.) cv. Cosmos 11 and N.F.G.. The field trials were designed as a split plot design with three cutting regimes of 6-7 cuts at grazing stage, 4-5 cuts at silage stage and 3 cuts at hat stage in Korea and West Germany from 1975 to 1979. The results obtained are summarized as follows: 1. Productivity of orchardgrass, perennial ryegrass and meadow fescue were mainly affected by cutting systems and meteorological factors, especially air temperature, rainfalls, solar radiation and their interactions. In West Germany, cutting frequency was to be found asan most important factor influenced to dry matter yield and net energy value. 2. Orchardgrass, taken as average of all experimental sites in Korea, produced high yield of 875 kg/10 a in dry matter, which was as much as 32% and 27% higher than those of perennial ryegrass and meadow fescue, respectively. The annual dry matter yields of orchardgrass from 1976 to 1977 were shown a little variation. Dry matter yields in Freising and Braunschweig in West Germany were increased in all grass species continuously. 3. Orchardgrass, perennial ryegrass and meadow fescue showed different response to cutting frequency. The highest dry matter yields were found under 3 cuts at hay stage for orchardgrass and 4-5 cuts at silage stage for perennial ryegrass and meadow fescue. In West Germany, dry matter yields, as average of all grass species under different cutting systems, were 1326 kg, 1175 kg and 1098 kg/10a for 3 cuts, 4-5 cuts and 6-7 cuts, respectively. 4. Chemical composition and net energy concentration of temperate grasses were influenced by cutting managements. The highest yields of digestible crude protein were obtained under 6-7 cuts at grazing stage both in Korea and West Germany. In net energy yields, 3 cutting system produced the highest yield with 694 (orchardgrass), 665 (perennial ryegrass) an 623 kStE/10 a (meadow fescue). However, frequent cutting at grazing and silage stage produced higher yields than 3 cuts at hay stage in Cheju, Suweon and Taekwalyong.
Park, Moon-Soo;Seo, Sung;Han, Young-Choon;Lee, Joung-Kyong
Journal of The Korean Society of Grassland and Forage Science
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v.8
no.2
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pp.85-91
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1988
A field experiment was conduted to determine the effects of shading degrees (O: full sunlight, 25, 50 and 75%) on the proximate components, cell wall constituents (CWC), digestibility, water soluble carbohydrates (WSC) and nitrate nitrogen ($NO_3$-N) concentration of grasses grown in forest. For the test different artificial shading houses were established and pasutre species used were orchardgrass, timothy, perennial ryegrass and ladino clover. the experiment was performed at LES in Suwon, 1985 1. Considering proximate components, CWC and digestibility of grasses, ladino clover showed the best quality, and then perennial ryegrass. 2. The contents of crude protein, crude ash, and digestibility of grasses were increased with shadking, regardless of pasture species. As the shading degrees are increased, the contents of crude fibe in orchardgrass, perennial ryegrass and timothy were decreased, while that in ladino clover was increased with shading. 3. Grasses grwon in spring showed higher digestibility than those grwon in summer season. 4. The content of WSC was the highest in perennial ryegrass, and then ladino clover, orchardgrass, and timothy, in that order. Also WSC was decreased as the shading degrees are in creased. 5. The content of $NO_3$-N was the highest in perennial ryegrass, and then orchardgrass, ladino clover and timothy, in that order. Also the $NO_3$-N was significantly increased with higher shading level. In the regression equation between shading degrees and $NO_3$-N ($r^2=0.90^{**},\;r^2=0.95^{**}$), shading degree of 43 to 44% was critical level, causing nitrate poisoning to animal. 6. Considering grass quality, dry matter yield and $NO_3$-N, less than 40% of shading degree (over 60% of full sunlight) was desirable for better grassland improvement, management and utilization in the forest.
Park, Moon-Soo;Seo, Sung;Han, Young-Choon;Lee, Joung-Kyong
Journal of The Korean Society of Grassland and Forage Science
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v.8
no.3
/
pp.85-91
/
1988
A field experiment was conducted to determine the effects of shading degrees (0: full sunlight, 25, 50 and 75%) on the proximate components, cell wall constituents (CWC), digestibility, water soluble carbohydrates (WSC) and nitrate nitrogen ($NO_3$-N) concentration of grasses grown in forest. For the test different artificial shading houses were established and pasture species used were orchardgrass, timothy, perennial ryegrass and ladino clover. The experiment was performed at LES in Suwon. 1985. 1. Considering proximate components, CWC and digestibility of grasses, ladino clover showed the best quality, and then perennial ryegrass. 2. The contents of crude protein, crude ash, and digestibility of grasses were increased with shading, regardless of pasture species. As the shading degrees are increased, the contents of crude fiber in orchardgrass, perennial ryegrass and timothy were decreased, while that in ladino clover was increased with shading. 3. Grasses grown in spring showed higher digestibility than those grown in summer season. 4. The content of WSC was the highest in perennial ryegrass, and then ladino clover, orchardgrass, and timothy, in that order. Also WSC was decreased as the shading degrees are increased. 5.The content of $NO_3$-N was the highest in perennial ryegrass, and then orchardgrass, ladino clover and timothy, in that order. Also the $NO_3$-N was significantly increased with higher shading level. In the regression equation between shading degrees and $NO_3$-N ($r^2$=0.90**, TEX>$r^2$=0.95**), shading degree of 43 to 44% was critical level, causing nitrate poisoning to animal. 6 Considering grass quality, dry matter yield and $NO_3$-N, less than 40% of shading degree (over 60% of full sunlight) was desirable for better grassland improvement, management and utilization in the forest.
The aim of this research is to examine the main concepts of human beings established by the saints and wise men in the Perennial Philosophy, and to reveal that the human view of Perennial Philosophy is consistent with the view of human beings of Daesoon Thought. In addition, Kant, who synthesizes Western modern philosophy, also sets out the ultimate goal of his philosophy of identifying human beings, wherein Kant asks what human beings are. The view of human beings in the Daesoon Thought reveals one kind of answer that can be given to Kant's anthropological question. If we compare this idea with that of the Western world (a Kantian view of humanity) based on this Perennial Philosophy, the characteristics of Daesoon Thought can be revealed clearly. Kant set the ultimate goal of his philosophy to answer the question, "What is man?" With regards to this, he posits four questions: 1) What can I know? 2) What should I do? 3) What can I hope for? 4) What are human beings? And Kant says that the fourth question (related to anthropology) involves three other questions. However, he does not offer up his own definition of human existence anywhere in his works. He regarded humans as being rational, and he did not think that humans had any special cognitive ability to intuit into humanity itself. In the end, Kant leaves the human being as a sort of unknown entity. On the other hand, The concept of humanity in Daesoon Thought (Perennial Philosophy) can provide a straightforward answer to Kant's question. This possible is because human beings in Daesoon Thought are not seen as different from the Dao (道) or deities (神), which can be called the essence of ultimate reality. From the perspective of Daesoon Thought, humans have divine cognitive abilities. In Perennial Philosophy, this could be the best way to simultaneously lead the object of mind and cognition to the divine Ground. Humans have special cognitive or perceptual abilities. The ultimate identity of every person is God. The realization of the divine being by finding one's true nature as a human being (the self) and the essence of the enlightenment of those who have shown this special intellectual intuition through training are both outcomes found at the core of perennial philosophy. These can be expressed clearly and obviously through the essence of Daesoon Thought.
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