Weeds out of control

Herbicides can no longer control the weeds that threaten crop productivity and food security in the UK because the plants have evolved resistance, and future control must depend on management strategies that reduce reliance on chemicals. So concludes a nationwide epidemiological assessment of the factors that are driving the abundance and spread of the major agricultural weed, black-grass. https://www.sciencedaily.com/releases/2018/02/180212170023.htm