Abstract:
Climate change impacts the long-term interactions between weeds and crops in agroecosystems. For successful weed management, an understanding of weed interactions and weed dominances with crops in agroecosystems is indispensable. Recent changes in the weed spectrum within agroecosystems have been observed across the globe because of the climate change impact. C4 plants have been found to be thriving in increased temperature environments and most of the competitive weeds are C4 plants. Thus, thriving of weeds in agroecosystems may negatively impact crop yields. Uncontrolled establishment of weeds in agroecosystems could lead to mixed crops of weeds, for example, C3 and C4 weeds, which may also increase complexity for their management. Studies have also manifested a differing response of weeds to shifting rainfall patterns. Crop-weed competition pressure may also be intensified due to reduced water availability and unforeseen droughts. Similarly, increased CO2 could also be favorable for weeds than the crop plants in agroecosystems. Except for a few modeled studies, the expected impacts of climate change in agroecosystems are not investigated comprehensively. Whether it is elevated temperatures, altered rainfall, or increased CO2 in the environment, this presentation will highlight how it is crucial to understand what the real impact of climate change could be on the weeds to effectively control the weed species in the agroecosystems.
Page(s):
127-127
DOI:
DOI not available
Published:
Journal: Abstract Book on Second International Conference on Recent Approaches in Plant Sciences (RAPS-23) 4-5 May 2023 , Volume: 0, Issue: 0, Year: 2023