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| DOI: | 10.1111/j.1469-8137.1985.tb03682.x |
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| Web URL(s): | http://onlinelibrary.wiley.com/doi/10.1111/j.1469-8137.1985.tb03682.x/pdf
Last checked: 10/18/2013
Requires: PDF Reader
Access conditions: Item is within a limited access website |
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| Publication Type:
| Refereed |
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| Author(s): | Whitmore, Mary E. |
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| Author Affiliation: | Department of Biological Sciences, University Of Lancaster, UK |
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| Title: | Relationship between dose of SO2 and NO2 mixtures and growth of Poa pratensis |
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| Source: | New Phytologist. Vol. 99, No. 4, April 1985, p. 545-553. |
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| Publishing Information: | Oxford, England, United Kingdom: Blackwell Publishing, for the New Phytologist Trust |
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| # of Pages: | 9 |
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| Related Web URL: | http://onlinelibrary.wiley.com/doi/10.1111/j.1469-8137.1985.tb03682.x/abstract
Last checked: 10/18/2013
Notes: Abstract only |
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| Keywords: | TIC Keywords: Growth analysis; Growth promoters; Growth rate; Nitrogen dioxide; Poa pratensis; Sulfur dioxide
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| Cultivar Names: | Monopoly |
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| Abstract/Contents: | "A series of experiments was conducted in controlled environment chambers to investigate the relationship between the concentration of mixtures of SO2 and NO2, length of exposure and growth of the amenity grass Poa pratensis L. cv. Monopoly. Plants were exposed to concentrations of 40, 70 and 100 nl 1-1 SO2 and NO2, in one to one ratio, for periods of 20, 34 and 38 d and compared with controls grown in partially filtered air. The effects of the pollutants on plant dry weight were related to the product of exposure concentration and duration within the limits of the experimental conditions. A dose-response curve was therefore constructed which illustrated that although small doses may have no effect or may even stimulate growth, slightly larger doses may be severely inhibitory. In order to clarify the effects of small doses a further experiment was performed in which the response was observed at intervals during a 50 d exposure to 40 nl 1-1 SO2 plus 40 nl 1-1 NO2. The results confirmed that low doses could cause small growth stimulations and that the transition from beneficial to inhibitory effects occurs over a narrow range of doses. A subsequent exploratory experiment provided an example of how the environmental conditions during exposure may affect this relationship, and illustrated that each dose-response curve is only applicable to a given set of conditions." |
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| Language: | English |
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| References: | 21 |
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| Note: | Line drawings
Tables
Graphs |
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| ASA/CSSA/SSSA Citation (Crop Science-Like - may be incomplete):
Whitmore, M. E. 1985. Relationship between dose of SO2 and NO2 mixtures and growth of Poa pratensis. New Phytol. 99(4):p. 545-553. |
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| DOI: 10.1111/j.1469-8137.1985.tb03682.x |
| Web URL(s):
http://onlinelibrary.wiley.com/doi/10.1111/j.1469-8137.1985.tb03682.x/pdf
Last checked: 10/18/2013
Requires: PDF Reader
Access conditions: Item is within a limited access website |
| 
MSU catalog number: b2219226 |
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