Article
Reanalyses of the historical series of UK variety trials to quantify the contributions of genetic and environmental factors to trends and variability in yield over time.
TAG. Theoretical and applied genetics. Theoretische und angewandte Genetik - 1 Jan 2011
Mackay I, Horwell A, Garner J, White J, McKee J, Philpott H
Abstract excerpt
Historical datasets have much to offer. We analyse data from winter wheat, spring and winter barley, oil seed rape, sugar beet and forage maize from the UK National List and Recommended List trials over the period 1948-2007. We find that since 1982, for the cereal crops and oil seed rape, at least 88% of the improvement in yield is attributable to genetic improvement, with little evidence that changes in agronomy...
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