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Comment: Number of sample populations required to determine the effects of herbicide resistance on plant growth and fitness |
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| Authors: | R. D. COUSENS G. S. GILL E JANE SPEIJERS |
| Affiliation: | Cooperative Research Centre for Weed Management Systems and School of Agriculture, La Trobe University, Bundoora, Victoria 3083;Cooperative Research Centre for Weed Management Systems and Department of Agronomy and Farming Systems. University of Adelaide, Roseworthy, South Australia 5371, and;Agriculture Western Australia, Baron–Hay Court, South Perth, Western Australia 6151, Australia |
| Abstract: | Experiments to determine the relative growth and fitness of herbicide–resistant and susceptible weeds commonly include only a single population of each. It is argued that such limited experimental designs can be misleading and should be avoided. Guidelines are given to aid decisions on choice of number of populations. |
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