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oapen-20.500.12657-615262024-03-27T14:14:33Z Applying population-based threshold models to quantify and improve seed quality attributes Bradford, Kent J. Bello, Pedro Population-based threshold models germination time course seedling emergence hydrotime hydrothermal time seed dormancy seed priming seed aging seed storage thema EDItEUR::T Technology, Engineering, Agriculture, Industrial processes::TV Agriculture and farming::TVK Agronomy and crop production thema EDItEUR::P Mathematics and Science::PS Biology, life sciences::PST Botany and plant sciences thema EDItEUR::T Technology, Engineering, Agriculture, Industrial processes::TV Agriculture and farming::TVF Sustainable agriculture thema EDItEUR::T Technology, Engineering, Agriculture, Industrial processes::TV Agriculture and farming::TVB Agricultural science Achieving rapid and uniform stand establishment in crops requires a combination of high-quality seeds and appropriate environmental conditions. In particular, temperature and soil moisture (or water potential) are the major factors influencing germination in the field. In this chapter, we focus on the application of population-based threshold (PBT) models to characterize seed germination time courses and how environmental and technological inputs influence them. Viewing seed quality as a product of the behavior of populations of individual seeds is critical for understanding the causes and consequences of poor performance. Quantitatively characterizing seed population features enables their use in seed sorting and seed enhancement, and provides phenotypes for use in research, breeding, conservation and restoration. We believe that PBT models are essential tools to enable full utilization of new advances in seed technology to improve seed quality and enable successful stand establishment in agriculture or in natural settings. 2023-02-27T12:21:46Z 2023-02-27T12:21:46Z 2022 chapter ONIX_20230227_9781801463584_37 9781801463584 https://library.oapen.org/handle/20.500.12657/61526 eng Burleigh Dodds Series in Agricultural Science application/pdf Attribution 4.0 International 9781801463584_web.pdf Burleigh Dodds Science Publishing Burleigh Dodds Science Publishing 10.19103/AS.2022.0105.05 10.19103/AS.2022.0105.05 9f8f6c63-e2ae-40b8-8aac-316abb377d6a University of California, Davis 9781801463584 Burleigh Dodds Science Publishing 88 Cambridge [...] open access
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Achieving rapid and uniform stand establishment in crops requires a combination of high-quality seeds and appropriate environmental conditions. In particular, temperature and soil moisture (or water potential) are the major factors influencing germination in the field. In this chapter, we focus on the application of population-based threshold (PBT) models to characterize seed germination time courses and how environmental and technological inputs influence them. Viewing seed quality as a product of the behavior of populations of individual seeds is critical for understanding the causes and consequences of poor performance. Quantitatively characterizing seed population features enables their use in seed sorting and seed enhancement, and provides phenotypes for use in research, breeding, conservation and restoration. We believe that PBT models are essential tools to enable full utilization of new advances in seed technology to improve seed quality and enable successful stand establishment in agriculture or in natural settings.
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