Dangerous Liaisons?

Dangerous Liaisons?
Author :
Publisher : JHU Press
Total Pages : 270
Release :
ISBN-10 : 0801881900
ISBN-13 : 9780801881909
Rating : 4/5 (909 Downloads)

Book Synopsis Dangerous Liaisons? by : Norman C. Ellstrand

Download or read book Dangerous Liaisons? written by Norman C. Ellstrand and published by JHU Press. This book was released on 2005-04-13 with total page 270 pages. Available in PDF, EPUB and Kindle. Book excerpt: With the advent of genetic engineering, "designer" crops might interbreed with natural populations. Could such romances lead to the evolution of "superweeds", as some have suggested? But haven't crops had sex with wild plants in the past? Has such gene swapping occurred without consequences? And if consequences have indeed occurred, what lessons can be gleaned for engineered crops? In Dangerous Liaisons? Norman Ellstrand examines these and other questions. He begins with basic information about the natural hybridization process. He then describes what we now know about hybridization between the world's most important crops—such as wheat, rice, maize, and soybeans—and their wild relatives. Such hybridization, Ellstrand explains, is not rare, and has occasionally had a substantial impact. In some cases, the result was problematic weeds. In others, crop genes have diluted natural diversity to the point that wild populations of certain rare species were absorbed into the gene pool of the more common crop, essentially bringing the wild species to the brink of extinction. Ellstrand concludes with a look to the future. Will engineered crops pose a greater threat than traditional crops? If so, can gene flow and hybridization be managed to control the escape of engineered genes? This book will appeal to academics, policy makers, students, and all with an interest in environmental issues.


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