Modeling the Spread of Curly Top Disease in Tomatoes

Authors

  • Rachel Frantz Department of Mathematics and Statistics, Utah State University, Logan, UT Author
  • Claudia Nischwitz Department of Biology, Utah State University, Logan, UT Author
  • Tyler Compton Department of Mathematics and Statistics, Utah State University, Logan, UT Author
  • Luis F. Gordillo Department of Mathematics and Statistics, Utah State University, Logan, UT Author

DOI:

https://doi.org/10.30707/LiB10.1.1682014077.8265

Keywords:

Curly Top Disease, compartmental models, stochastic simulation algorithm, susceptible-infected model

Abstract

Curly Top disease (CT), caused by a family of curtoviruses, infects a wide variety of agricultural crops. Historically, CT has caused extensive damage in tomato crops resulting in substantial economic loss for the tomato industry. Control methods for CT are scarce, and methods for predicting and assessing the scope of CT outbreaks are limited. In this paper, we formulate a stochastic model for the spread of CT in a heterogeneous environment, which consists of beet plants, the preferred hosts, and tomato plants. The model is composed of two susceptible classes and two infected classes, where the beet plants are the primary reservoir of the pathogen. We parameterize the model using data from a field experiment and assess the variability of CT incidence in tomato plants at any point in time through extensive simulations.

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Published

2023-03-06

Issue

Section

Research

How to Cite

Modeling the Spread of Curly Top Disease in Tomatoes. (2023). Letters in Biomathematics, 10(1), 53-61. https://doi.org/10.30707/LiB10.1.1682014077.8265

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