Integrating simulation of architectural development and source-sink behaviour of peach trees by incorporating Markov chains and physiological organ function submodels into L-PEACH

Functional Plant Biology : FPB
Gerardo LopezTheodore M DeJong

Abstract

L-PEACH is an L-system-based functional-structural model for simulating architectural growth and carbohydrate partitioning among individual organs in peach (Prunus persica (L.) Batsch) trees. The original model provided a prototype for how tree architecture and carbon economy could be integrated, but did not simulate peach tree architecture realistically. Moreover, evaluation of the functional characteristics of the individual organs and the whole tree remained a largely open issue. In the present study, we incorporated Markovian models into L-PEACH to improve the architecture of the simulated trees. The model was also calibrated to grams of carbohydrate, and tools for systematically displaying quantitative outputs and evaluating the behaviour of the model were developed. The use of the Markovian model concept to model tree architecture in L-PEACH reproduced tree behaviour and responses to management practices visually similar to trees in commercial orchards. The new architectural model along with several improvements in the carbohydrate-partitioning algorithms derived from the model evaluation significantly improved the results related to carbon allocation, such as organ growth, carbohydrate assimilation, reserve dynamics and ...Continue Reading

References

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Citations

Feb 1, 2011·Functional Plant Biology : FPB·Michael R ThorpePeter E H Minchin
Jul 5, 2011·Annals of Botany·Mikolaj CieslakJim Hanan
Jan 22, 2011·The New Phytologist·Katrin Kahlen, Hartmut Stützel
Dec 1, 2008·Functional Plant Biology : FPB·Evelyne CostesChristophe Godin
Apr 20, 2010·Journal of Experimental Botany·Graeme L HammerRussell C Muchow
Mar 22, 2014·Annals of Botany·Michael Renton, Pieter Poot
May 12, 2020·Annals of Botany·Frédéric BoudonFrédéric Normand
Jun 20, 2017·Plant, Cell & Environment·Victor PichenyEvelyne Costes
Sep 29, 2020·Frontiers in Plant Science·Ying-Tsui WangGerrit Hoogenboom

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