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Web URL(s):http://cyxb.lzu.edu.cn/EN/article/downloadArticleFile.do?attachType=PDF&id=2236
    Last checked: 07/25/2016
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Author(s):Peng, Limei; Cao, Li; Han, Lei; Qian, Yongqiang; Sun, Zhenyuan
Author Affiliation:Research Institute of Forestry, Chinese Academy of Forestry, Key Laboratory of Forest Cultivation, State Forestry Administration, Beijing; Peng: Palm Landscape Architecture Co., Ltd., Shanghai; Cao: College of Agriculture, Yanbian University, Yanji, China
Title:Drought resistance analysis of regenerated plants from calli of Lolium perenne carried by the Shenzhou No. 7 spaceship
Source:[Caoye Xuebao] [Acta Prataculturae Sinica]. Vol. 24, No. 1, January 20 2015, p. 64-71.
# of Pages:8
Publishing Information:[Lanzhou Shi, China]: ["Cao Ye Xue Bao" Bian Ji Wei Yuan Hui]
Keywords:TIC Keywords: Calli; Chlorophyll content; Cultivar variation; Drought resistance; Drought stress; Lolium perenne; Mutants; Physiological responses; Regeneration; Relative water content
Abstract/Contents:"Three mutants with high drought tolerance (SP-64, SP-119, SP-17) have been screened from plants regenerated from the embryogenic calli of the Lolium perenne variety Derby, which were carried aboard by the Shenzhou No.7 spaceship. This paper presents the results of an evaluation of the physiological responses to drought treatment for these 3 mutants. As drought duration increased, the relative water content and chlorophyll content of the mutants decreased, whereas malondialdehyde (MDA) and soluble proline content increased. However, the 3 mutants' superoxide dismutase (SOD) activities at first decreased and then increased. The variation ranges of indices were different for each mutation. A comprehensive analysis of these indices suggests that drought tolerance decreased in the order of SP-64, SP-119 and SP-17, which is consistent with the results of the apparent permanent wilting index (APWI). These results indicate that space mutation could induce the mutagenesis of drought resistance and so provide new germplasm resources for the breeding of turfgrass varieties."
Note:Abstract also appears in English
ASA/CSSA/SSSA Citation (Crop Science-Like - may be incomplete):
Peng, L., L. Cao, L. Han, Y. Qian, and Z. Sun. 2015. Drought resistance analysis of regenerated plants from calli of Lolium perenne carried by the Shenzhou No. 7 spaceship. (In Chinese) [Caoye Xuebao] [Acta Prataculturae Sinica]. 24(1):p. 64-71.
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DOI: 10.11686/cyxb20150109
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    Last checked: 07/25/2016
    Requires: PDR Reader
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