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Web URL(s): | http://img.kisti.re.kr/soc_img/society//tsk/JDHHBF/2009/v23n2/JDHHBF_2009_v23n2_331.pdf Last checked: 02/11/2013 Requires: PDF Reader |
Publication Type:
| Refereed |
Author(s): | Qian, Yongqiang;
Li, Deying;
Han, Lei;
Ju, Guansheng;
Liu, Junxiang;
Wu, Juying;
Sun, Zhenyuan |
Author Affiliation: | Qian, Li, Han, Ju, Liu and Sun: Research Institute of Forestry, Chinese Academy of Forestry, Key Laboratory of Tree Breeding and Cultivation, State Forestry Administration, Beijing; Wu: Beijing Research & Development Center for Grass and Environment, Beijing Academy of Agriculture and Forestry Science, China |
Title: | Inter-ramet physiological integration detected in buffalograss (Buchloe dactyloides (Nutt.) Engelm.) under water stress |
Source: | Korean Journal of Turfgrass Science. Vol. 23, No. 2, 2009, p. 331-344. |
Publishing Information: | Korea: Turfgrass Society of Korea |
# of Pages: | 14 |
Related Web URL: | http://koreascience.or.kr/article/ArticleFullRecord.jsp?cn=JDHHBF_2009_v23n2_331&ordernum= Last checked: 06/09/2016 Notes: Abstract only |
Abstract/Contents: | "Buffalograss is an important turfgrass species with excellent cold, heat, and drought tolerance. Understanding the physiological integration of buffalograss under heterogeneous conditions helps to develop cultural practices that better use limited resources for uniform turf quality. The objective of this study was to evaluate physiological integration of buffalograss under water deficit stress and the involvement of lipid peroxidation and antioxidants in the process. In one experiment, buffalograss was planted in the center of a four-compartment growth unit. Watering frequencies, once a week(+) and once in two weeks(-), were combined with the sand(S) or peat(P) in each unit to generate five total treatments(P+S-P-S+, P+P+P+P+, S-S-S-S-, P-P-P-P-, and S+S+S+S+). The average number of shoot established from the heterogeneous root-zone medium was higher than the average of four possible homogeneous media. In second experiment, single ramet in Hoagland solution(S0) or single ramet in Hoagland solution with 20% PEG-6000(SS) were compared with two connectedramets under different treatments. Treatments for connected ramets were young ramet in Hoagland solution(Yos) and old ramet in Hoagland solution with 20% PEG-6000(Oos), and old ramet in Hoagland solution(Oys) and young ramet in Hoagland solution with 20% PEG-6000(Yys). Lipid peroxidation, antioxidants, and proline showedphysiological integration between ramets subjected to different levels of water stress. Superoxide dismutase(SOD), Guaiacol peroxidase(G-POD), malondialdehyde(MDA), and free proline also showed different time courses and relative activities during the physiological integration." |
Language: | Korean |
References: | 35 |
Note: | Abstract appears in English Tables Graphs |
| ASA/CSSA/SSSA Citation (Crop Science-Like - may be incomplete): Qian, Y., D. Li, L. Han, G. Ju, J. Liu, J. Wu, et al. 2009. Inter-ramet physiological integration detected in buffalograss (Buchloe dactyloides (Nutt.) Engelm.) under water stress. (In Korean, with English abstract.) Korean Journal of Turfgrass Science. 23(2):p. 331-344. |
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| Web URL(s): http://img.kisti.re.kr/soc_img/society//tsk/JDHHBF/2009/v23n2/JDHHBF_2009_v23n2_331.pdf Last checked: 02/11/2013 Requires: PDF Reader |
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