Elevated atmospheric CO2 changes defence allocation in wheat but herbivore resistance persists

Scott Johnson, Ximena Cils-Stewart, Jamie Waterman, Fikadu Biru & Rhiannon Rowe
Predicting how plants allocate to different anti-herbivore defences in response to elevated carbon dioxide (CO2) concentrations is important for understanding future patterns of crop susceptibility to herbivory. Theories of defence allocation, especially in the context of environmental change, largely overlook the role of silicon (Si), despite it being the major anti-herbivore defence in the Poaceae. We demonstrated that elevated levels of atmospheric CO2 (e[CO2]) promoted plant growth by 33% and caused wheat (Triticum aestivum) to...
1 citation reported since publication in 2021.
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