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| Web URL(s): | http://www.jstor.org/stable/2434268
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| Publication Type:
| Refereed |
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| Author(s): | Warwick, S. I.;
Briggs, D. |
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| Author Affiliation: | Botany School, Cambridge University, Downing Street, Cambridge, U. K. |
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| Title: | The adaptive significance of different growth habit in lawn and roadside populations of Plantago major L. |
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| Article Series: | The genecology of lawn weeds, part 5 |
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| Source: | New Phytologist. Vol. 85, No. 2, June 1980, p. 289-300. |
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| Publishing Information: | Oxford, England: Blackwell Publishing, for the New Phytologist Trust |
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| # of Pages: | 12 |
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| Related Web URL: | http://www.jstor.org/stable/info/2434268?seq=1
Last checked: 07/30/2010
Notes: Abstract only |
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| Keywords: | TIC Keywords: Clippings; Dry weight; Flowering; Growth habit; Lawn turf; Mowing; Plantago major; Roadside turf; Transplanting; Variations
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| Abstract/Contents: | "The differential responses of two genetically-determined growth forms of Plantago major L. - prostrate plants from lawns and erect plants from roadsides - were studied in experiments involving clipping and reciprocal transplants. Under a regime of clipping at 2 cm above soil level in a pot experiment, plants from roadsides were severely damaged and all reproductive structures were lost, whereas plants from lawns were able to produce several thousand seeds per plant. In a reciprocal transplant experiment of 'mown' and 'tall grass' plots, a small number of erect inflorescences of the roadside plants survived mowing and were able to produce a minute quantity of seed. Lawn plants in mown plots produced significantly more seeds. In the tall grass plots, the roadside plants exhibited significantly greater vegetative and reproductive dry wt than lawn plants. Estimates of coefficients of selection were calculated for both experiments. Although values varied with different estimates of performance, in general: (1) selection against the roadside plants in the clipping treatment of the pot experiment and in the mown plots of the reciprocal transplant experiment was high (c.s. values based on reproductive features ranged from 0.78 to 1.00); and (2) coefficients of selection against lawn plants in the control of the pot experiment and in the tall grass plots of the reciprocal transplant experiment were also high (c.s. values in the reciprocal transplant experiment ranged from 0.74 to 0.77). Plants from lawns flowered significantly earlier than those from roadsides, and both lawn and roadside plants flowered significantly later in tall grass plots than in mown plots. Some problems and advantages of reciprocal transplant experiments are discussed. Our experiments provide strong evidence that differences in growth habit in Plantago major are of adaptive significance." |
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| Language: | English |
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| References: | 8 |
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| See Also: | See also part 1 "Population differentiation in Poa annua L. in a mosaic environment of bowling green lawns and flower beds" New Phytologist, 81(3) November 1978, p. 711-723, R=5778. R=5778
See also part 2 "Evidence for disruptive selection in Poa annua L. in a mosaic environment of bowling green lawns and flower beds" New Phytologist, 81(3) November 1978, p. 725-737, R=5769. R=5769
See also part 3 "Cultivation experiments with Achillea millefolium L., Bellis perennis L., Plantago lanceolata L., Plantago major L., and Pruella vulgaris L. collected from lawns and contrasting grassland habitats" New Phytologist, 83(2) September 1979, p. 509-536, R=166958. R=166958
See also part 4 "Adaptive significance of variation in Bellis perennis L. As revealed in a transplant experiment" New Phytologist, 85(2) June 1980, p. 275-2288, R=166977. R=166977
See also part 6 "The adaptive significance of variation in Achillea millefolim L. as investigated by transplant experiments" New Phytologist, 85(3) July 1980, p. 451-460, R=166981. R=166981
See also part 7 "The response of different growth forms of Plantago major L. and Poa annua L. to simulated trampling" New Phytologist, 85(3) July 1980, p. 461-469, R=5753. R=5753 |
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| Note: | Tables |
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| ASA/CSSA/SSSA Citation (Crop Science-Like - may be incomplete):
Warwick, S. I., and D. Briggs. 1980. The adaptive significance of different growth habit in lawn and roadside populations of Plantago major L.. New Phytol. 85(2):p. 289-300. |
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| Web URL(s):
http://www.jstor.org/stable/2434268
Last checked: 07/30/2010
Access conditions: Item is within a limited-access website
Notes: Item is within a single large file
http://www.jstor.org/stable/pdfplus/2434268.pdf
Last checked: 07/30/2010
Requires: PDF Reader
Access conditions: Item is within a limited-access website |
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MSU catalog number: b2219226 |
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