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| Web URL(s): | http://img.kisti.re.kr/soc_img/society//tsk/JDHHBF/1989/v3n2/JDHHBF_1989_v3n2_95.pdf
Last checked: 01/28/2013
Requires: PDF Reader |
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| Publication Type:
| Refereed |
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| Author(s): | Chang, N. K.;
Kim, Y. J. |
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| Author Affiliation: | Department of Biology, College of Education, Seoul National University |
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| Title: | Changes in the activities of nitrate reductase and amylase response to the seasons and cutting in Zoysia japonica Steud. |
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| Source: | Korean Journal of Turfgrass Science. Vol. 3, No. 2, 1989, p. 95-111 [241-259]. |
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| Publishing Information: | Korea: Turfgrass Society of Korea |
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| # of Pages: | 16 |
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| Keywords: | TIC Keywords: Nitrate reductase; Amylases; Seasonal variation; Mowing; Zoysia Japonica; Enzyme activity
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| Abstract/Contents: | Presents a study conducted to "investigate the response mechanism in the enzymatic level during the early stage of regrowth after a completely grown individual was influenced by mechanical cutting." Details methods and materials used in the study, stating that "the site chosen for the study is a grassland located at the foot of the northeast slope of Mt. Kwanak [in South Korea] which is 230m [meters] above sea level. Soil samples taken at the commencement of the cutting experiment, had a pH of 5.6, total nitrogen of 0.12 percent." Explains that "samples were taken daily from the same rows between 11.00 and 12.00 a.m. The sampled plants were divided into five parts - leaf, stem, root, crown, and internode of a rhizome - in the laboratory." Reports that "increase of amylase activity is a prerequistite [prerequisite] for flowering, and it is considered that the use of storage reserves is not necessary after the grain - filling stage and so amylase activity becomes decreased to a very low level." Concludes that "these results suggest that completely grown lawn grass acts as a repressor against the activation of nitrate reductase and amylase, and the enzyme activities at the molecular level are increased to recover the lost material when exogeneous wounding factors such as cutting are applied to the individual level." |
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| Language: | English |
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| References: | 40 |
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| Note: | Abstract appears in Korean
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| ASA/CSSA/SSSA Citation (Crop Science-Like - may be incomplete):
Chang, N. K., and Y. J. Kim. 1989. Changes in the activities of nitrate reductase and amylase response to the seasons and cutting in Zoysia japonica Steud.. Korean Journal of Turfgrass Science. 3(2):p. 95-111 [241-259]. |
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| Web URL(s):
http://img.kisti.re.kr/soc_img/society//tsk/JDHHBF/1989/v3n2/JDHHBF_1989_v3n2_95.pdf
Last checked: 01/28/2013
Requires: PDF Reader |
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MSU catalog number: b5472572a |
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