Rising CO2 promotes weedy rice

ScienceNews: There has been a lot of research, recently, showing how global change -- especially warming -- can alter the habitat and preferred range of marine and terrestrial species. But rising levels of greenhouse gases can also, directly, do a number on agricultural ecosystems, a new study shows. At least for U.S.-grown rice, rising carbon dioxide levels give a preferential reproductive advantage to the weedy natural form -- known colloquially as red rice (for the color of its seed coat). Agriculture Department...

URL: http://www.sciencenews.org/view/generic/id/340980/title/Science_%2B_the_Public__Rising_CO2_promotes_weedy_rice