Infection model for analyzing biological control of coffee rust using bacterial anti-fungal compounds
Arroyo Esquivel, Jorge
Sánchez Peña, Fabio Ariel
Barboza Chinchilla, Luis Alberto
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Coffee rust is one of the main diseases that affect coffee plantations worldwide (Cressey, 2013 ). This causes an important economic impact in the coffee production industry in countries where coffee is an important part of the economy. A common method for combating this disease is using copper hydroxide as a fungicide, which can have damaging effects both on the coffee tree and on human health (Haddad et al., 2013 ). A novel method for biological control of coffee rust using bacteria has been proven to be an effective alternative to copper hydroxide fungicides as anti-fungal compounds (Haddad et al., 2009 ). In this paper, we develop and explore a spatial stochastic model for this interaction in a coffee plantation. We analyze equilibria for specific control strategies, as well as compute the basic reproductive number, R0, of individual coffee trees, conditions for local and global stability under specific conditions, parameter estimation of key parameters, as well as sensitivity analysis, and numerical experiments under local and global control strategies for key scenarios.
Enlace externo al ítem10.1016/j.mbs.2018.10.009
- Matemática