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A new modified resource budget model for nonlinear dynamics in citrus production
- Source :
- Chaos, Solitons & Fractals. 87:51-60
- Publication Year :
- 2016
- Publisher :
- Elsevier BV, 2016.
-
Abstract
- Alternate bearing or masting is a general yield variability phenomenon in perennial tree crops. This paper first presents a theoretical modeling and simulation study of the mechanism for this dynamics in citrus, and then provides a test of the proposed models using data from a previous 16-year experiment in a citrus orchard. Our previous studies suggest that the mutual effects between vegetative and reproductive growths caused by resource allocation and budgeting in plant body might be considered as a major factor responsible for the yield oscillations in citrus. Based on the resource budget model proposed by Isagi et al. (J Theor Biol. 1997;187:231-9), we first introduce the new leaf growth as a major energy consumption component into the model. Further, we introduce a nonlinear Ricker-type equation to replace the linear relationship between costs for flowering and fruiting used in Isagi's model. Model simulations demonstrate that the proposed new models can successfully simulate the reproductive behaviors of citrus trees with different fruiting dynamics. These results may enrich the mechanical dynamics in tree crop reproductive models and help us to better understand the dynamics of vegetative-reproductive growth interactions in a real environment.
- Subjects :
- 0106 biological sciences
General Mathematics
Applied Mathematics
General Physics and Astronomy
Statistical and Nonlinear Physics
Agricultural engineering
Energy consumption
010603 evolutionary biology
01 natural sciences
Resource budget
Modeling and simulation
Nonlinear system
Tree (data structure)
Component (UML)
Production (economics)
Resource allocation
010606 plant biology & botany
Mathematics
Subjects
Details
- ISSN :
- 09600779
- Volume :
- 87
- Database :
- OpenAIRE
- Journal :
- Chaos, Solitons & Fractals
- Accession number :
- edsair.doi...........aa2ecc21785b16d7bca3e43dd5946b21