Records |
Author |
Van Oijen, M.; Höglind, M. |
Title |
Toward a Bayesian procedure for using process-based models in plant breeding, with application to ideotype design |
Type |
Journal Article |
Year |
2016 |
Publication |
Euphytica |
Abbreviated Journal |
Euphytica |
Volume |
207 |
Issue |
3 |
Pages |
627-643 |
Keywords |
BASGRA; cold tolerance; genotype-environment interaction; plant breeding; process-based modelling; yield stability; grassland productivity; timothy regrowth; climate-change; water-deficit; forest models; late blight; leaf-area; calibration; growth; tolerance |
Abstract |
Process-based grassland models (PBMs) simulate growth and development of vegetation over time. The models tend to have a large number of parameters that represent properties of the plants. To simulate different cultivars of the same species, different parameter values are required. Parameter differences may be interpreted as genetic variation for plant traits. Despite this natural connection between PBMs and plant genetics, there are only few examples of successful use of PBMs in plant breeding. Here we present a new procedure by which PBMs can help design ideotypes, i.e. virtual cultivars that optimally combine properties of existing cultivars. Ideotypes constitute selection targets for breeding. The procedure consists of four steps: (1) Bayesian calibration of model parameters using data from cultivar trials, (2) Estimating genetic variation for parameters from the combination of cultivar-specific calibrated parameter distributions, (3) Identifying parameter combinations that meet breeding objectives, (4) Translating model results to practice, i.e. interpreting parameters in terms of practical selection criteria. We show an application of the procedure to timothy (Phleum pratense L.) as grown in different regions of Norway. |
Address |
2016-10-31 |
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English |
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0014-2336 |
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CropM, ft_macsur |
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no |
Call Number |
MA @ admin @ |
Serial |
4820 |
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Author |
Schönhart, M.; Nadeem, I. |
Title |
Direct climate change impacts on cattle indicated by THI models |
Type |
Journal Article |
Year |
2015 |
Publication |
Advances in Animal Biosciences |
Abbreviated Journal |
Advances in Animal Biosciences |
Volume |
6 |
Issue |
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Pages |
17-17 |
Keywords |
dairy; THI; milk yield; integrated modelling; economic loss |
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2016-10-31 |
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English |
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TradeM, ft_macsur |
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no |
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MA @ admin @ |
Serial |
4811 |
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Author |
Twardy, S. |
Title |
Contamination of surface water bodies with biogenic substances, taking into account the impact of agriculture in the Western Carpathians |
Type |
Conference Article |
Year |
2012 |
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CropM |
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Baltic Deal at Malopolska - training workshops for counselors within the Baltic Deal project. Agricultural Advisory Centre Malopolska. Karniowice, Poland., 2012-07-25 to 2012-07-25 |
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no |
Call Number |
MA @ admin @ |
Serial |
2861 |
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Author |
Twardy, S. |
Title |
The ecological potential – sustainable development of rural areas in the Carpathians |
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Conference Article |
Year |
2012 |
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LiveM; CropM |
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Third International Mountain Forum entitled Innovation in Mountainous Regions. Zakopane, Poland., 2012-10-10 to 2012-10-12 |
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no |
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MA @ admin @ |
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2862 |
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Author |
Twardy, S. |
Title |
The usefulness of the research results conducted on the permanent grasslands for carrying out the pro-environmental management in mountain areas |
Type |
Conference Article |
Year |
2013 |
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CropM |
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Priorities of sustainable rural development 2014-2020 in the light of scientific research. Institute of Technology and Life Sciences at Falenty, Poland., 2013-04-25 to 2013-04-26 |
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no |
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MA @ admin @ |
Serial |
2863 |
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