Soybean-BioCro:a semi-mechanistic model of soybean growth

Matthews, Megan L and Marshall-Colón, Amy and McGrath, Justin M and Lochocki, Edward B and Long, Stephen P (2022) Soybean-BioCro:a semi-mechanistic model of soybean growth. in silico Plants, 4 (1). pp. 1-11. ISSN 2517-5025

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Abstract

Abstract Soybean is a major global source of protein and oil. Understanding how soybean crops will respond to the changing climate and identifying the responsible molecular machinery are important for facilitating bioengineering and breeding to meet the growing global food demand. The BioCro family of crop models are semi-mechanistic models scaling from biochemistry to whole crop growth and yield. BioCro was previously parameterized and proved effective for the biomass crops Miscanthus, coppice willow and Brazilian sugarcane. Here, we present Soybean-BioCro, the first food crop to be parameterized for BioCro. Two new module sets were incorporated into the BioCro framework describing the rate of soybean development and carbon partitioning and senescence. The model was parameterized using field measurements collected over the 2002 and 2005 growing seasons at the open air [CO2] enrichment (SoyFACE) facility under ambient atmospheric [CO2]. We demonstrate that Soybean-BioCro successfully predicted how elevated [CO2] impacted field-grown soybean growth without a need for re-parameterization, by predicting soybean growth under elevated atmospheric [CO2] during the 2002 and 2005 growing seasons, and under both ambient and elevated [CO2] for the 2004 and 2006 growing seasons. Soybean-BioCro provides a useful foundational framework for incorporating additional primary and secondary metabolic processes or gene regulatory mechanisms that can further aid our understanding of how future soybean growth will be impacted by climate change.

Item Type:
Journal Article
Journal or Publication Title:
in silico Plants
Subjects:
?? PLANT SCIENCEAGRONOMY AND CROP SCIENCEBIOCHEMISTRY, GENETICS AND MOLECULAR BIOLOGY (MISCELLANEOUS)MODELING AND SIMULATION ??
ID Code:
166938
Deposited By:
Deposited On:
03 Mar 2022 15:00
Refereed?:
Yes
Published?:
Published
Last Modified:
20 Sep 2023 01:49