Fehr, Walter R2017-05-162017-05-161991https://hdl.handle.net/1813/49709Traditional breeding and biotechnolgy are affecting the development and introduction of herbicide toerant crops.en-USAttribution-NonCommercial-NoDerivatives 4.0 InternationalAgricultural biotechnologyherbicide tolerance, genetic engineeringtraditional breedingfood safetyresistancesocioeconomic impactsenvironmental safetybook chapter