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| Publication Type:
| Report |
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| Content Type: | Abstract or Summary only |
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| Author(s): | Xu, Q. Z.;
Huang, H. |
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| Author Affiliation: | Kansas State University |
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| Title: | Seasonal changes of activities of antioxidant enzymes in creeping bentgrass |
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| Section: | Turfgrass science
Other records with the "Turfgrass science" Section
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| Meeting Info.: | Minneapolis, MN: November 5-9, 2000 |
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| Source: | 2000 Annual Meeting Abstracts [ASA/CSSA/SSSA]. 2000, p. 153. |
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| # of Pages: | 1 |
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| Publishing Information: | [Madison, WI]: American Society of Agronomy, Crop Science Society of America, Soil Science Society of America |
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| Keywords: | TIC Keywords: Heat stress; Seasons; Antioxidants; Enzymes; Agrostis stolonifera; Bentgrass decline; Heat injury; Heat resistance; Electrolytes; Electrolyte leakage; Mowing height
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| Cultivar Names: | L-93; Penncross |
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| Abstract/Contents: | "Heat stress is a major factor causing summer bentgrass decline during summer in the transitional zone. Heat injury in creeping bentgrass may involve oxidative stress. The objective of this study was to determine the relationship between the activities of antioxidant enzymes and heat tolerance in creeping bentgrass under field conditions. L-93 and Penncross were mowed at 5/32 or 1/8 inch on an USGA-specification green. Electrolyte leakage increased during summer and then decreased in the fall. The activities of antioxidants, including SOD, CAT, POD, and AP, increased at the beginning of the high temperature period, dramatically decreased in the middle of the summer, and then recovered gradually in the fall. Raising mowing height from 1/8 inch to 5/32 inch increased the enzyme activities only at the beginning of the summer. MDA content increased during the high temperature period and then decreased when air temperature was low. Antioxidant enzymes protected plants of creeping bentgrass from oxidative damage by reducing lipid peroxidation at the beginning of the summer, especially under low mowing height." |
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| Language: | English |
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| References: | 0 |
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| Note: | This item is an abstract only! |
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| See Also: | Other items relating to: Summertime Blues |
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| ASA/CSSA/SSSA Citation (Crop Science-Like - may be incomplete):
Xu, Q. Z., and H. Huang. 2000. Seasonal changes of activities of antioxidant enzymes in creeping bentgrass. Annu. Meet. Abstr. p. 153. |
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MSU catalog number: S 1 .A58 |
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