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  • Title: Theory and practice: the impact of Mendelism on agriculture.
    Author: Roll-Hansen N.
    Journal: C R Acad Sci III; 2000 Dec; 323(12):1107-16. PubMed ID: 11147097.
    Abstract:
    The purpose of this paper is a reexamination of the success story of how Mendelian genetics gave birth to a revolution in plant and animal breeding which produced the spectacular 20th century agricultural progress and made it possible to feed the exploding population of the Earth. Critics have pointed to the problematic social effect of the agricultural revolution, and they have doubted the importance of the new genetics, especially during the first three or four decades of the 20th century. This paper argues that the criticism has tended to take a narrow instrumental view of science underestimating the guiding role of theory in practical matters. Plant and animal breeding continued to depend mainly on the old 19th century techniques, hybridization, mass selection and individual selection. But they were combined and used in much more efficient ways than before. New theoretical knowledge, general theories as well as particular knowledge about species, strains and individuals, radically improved the planning and execution of breeding work.
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