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| DOI: | 10.11829/j.issn.1001-0629.2015-0430 |
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| Web URL(s): | http://cykx.lzu.edu.cn//article/2016/1001-0629-33-3-450.html
Last checked: 2/7/2017
http://cykx.lzu.edu.cn//EN/article/downloadArticleFile.do?attachType=PDF&id=11373
Last checked: 2/7/2017
Requires: PDF Reader |
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| Publication Type:
| Refereed |
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| Author(s): | Sun, Bi-hui;
Li, Rong-quan;
Duan, Xiao-chun;
Chang, Zhi-hui |
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| Author Affiliation: | Sun and Chang: Turfgrass Institute of Beijing Forestry University, Beijing, China; Li: Landscaping Technology Development Limited Liability Company of Lanxi, Shenyang, China; Duan: Shanghai Lvgang Landscape Engineering Co., Shangahi, China; |
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| Title: | Relationship between leaf morphology and physiological responses of perennial ryegrass under cold stress |
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| Source: | [Caoye Kexue] [Pratacultural Science]. Vol. 33, No. 3, March 20 2016, p. 450-458. |
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| Publishing Information: | [Lanzhou Shi, China]: ["Cao Ye Ke Xue" Bian Jibu] |
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| # of Pages: | 9 |
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| Keywords: | TIC Keywords: Cold resistance; Cold stress; Lolium perenne; Morphological evaluation; Photosynthetic capacity; Physiological responses; Transpiration
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| Cultivar Names: | Brightstar SLT; Linn |
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| Abstract/Contents: | "Perennial ryegrass (Lolium perenne) is susceptible to cold and windy condition in winter, which results in dehydration and death. In order to explore the relationship between leaf morphology and physiological changes of perennial ryegrass under cold stress, leaf morphology, relative water loss rate of detached leaves and some physiological indices under cold stress 0 °C of cultivar 'Brightstar SLT' (freezing-tolerant) and 'Linn' (freezing-sensitive) were measured. Under natural condition, the stomatal number of 'Brightstar SLT' was significantly higher than (P<0.05) that of 'Linn', whereas stomatal length, stomatal area, leaf epidermal cell and leaf relative water loss of 'Brightstar SLT' were significantly lower than (P<0.05) those of 'Linn'. Under cold stress, transpiration rate and stomatal conductance of both perennial ryegrass cultivars increased in a short time, however, those of the 'Brightstar SLT' were significantly lower (P<0.05) than those of 'Linn'. In addition, the photosynthetic rate of 'Brightstar SLT' was significantly higher (P<0.05) than that of 'Linn', whereas electrolyte leakage of 'Brightstar SLT' was lower than that of 'Linn'. In conclusion, there was a close correlation between lower water loss rate along with better performance under cold stress (including stable photosynthesis ability and less cold injury) and leaf morphology (including larger quantity of stoma, shorter stomatal length, smaller stomatal size and smaller leaf epidermal cell) in freezing-tolerant cultivar." |
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| Language: | Chinese |
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| References: | 33 |
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| Note: | Abstract also appears in English
Figures
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| ASA/CSSA/SSSA Citation (Crop Science-Like - may be incomplete):
Sun, B.-h., R.-q. Li, X.-c. Duan, and Z.-h. Chang. 2016. Relationship between leaf morphology and physiological responses of perennial ryegrass under cold stress. (In Chinese) [Caoye Kexue] [Pratacultural Science]. 33(3):p. 450-458. |
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| DOI: 10.11829/j.issn.1001-0629.2015-0430 |
| Web URL(s):
http://cykx.lzu.edu.cn//article/2016/1001-0629-33-3-450.html
Last checked: 2/7/2017
http://cykx.lzu.edu.cn//EN/article/downloadArticleFile.do?attachType=PDF&id=11373
Last checked: 2/7/2017
Requires: PDF Reader |
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MSU catalog number: b10275836 |
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