Introduction to plant breeding; offers a sense of the importance of the field, tracing its evolution from the prescientific days of crop domestication to modern applications of biotechnology. Offers examples of how breeding objectives are realized�and�raises questions about the environmental, social,�and�economic consequences of intensive�food�production�systems. Emphasizes the connection between the genetics of�plants,modern scientific research,�and�the potential to respond to the growing human demand�for�food, fiber, fuel,�and�environmental sustainability.�