The Impact of Climate Change on Weed Management There is a direct link between Climate Change and Turf Weeds which have serious implications on turf management in Australia. Climate Change is going to affect herbicide efficacy and weed distribution. Weed distribution will be affected due to the impact it will have on many plant functions of turf weeds. Being highly adaptable weeds will undoubtedly adapt to these changes, and this will raise a completely new set of management issues. Increasing CO₂, together with higher temperatures and variable moisture conditions, will affect the growth and geographical presence of turf weeds, and alsothe efficacy of herbicides that you use to control them. C3 vs C4 plants. C3 turf weeds will benefit from rising CO₂ levels, but studies suggest, that rising temperatures will negate the beneficial effects of CO₂ on photosynthesis. Once temperature go over 25°C, this negatively impacts C3 plants because their photorespiration rate increases. Photosynthes...
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