Comparing the plant virus spread patterns of non-persistently transmitted virus and persistently transmitted virus using an individual-based model
- Authors
- Kho J.-W.; Kim K.H.; Lee D.-H.
- Issue Date
- Jun-2020
- Publisher
- Elsevier B.V.
- Keywords
- Host manipulation; Plant virus type; SADIE; Spatial configuration; Vector manipulation
- Citation
- Journal of Asia-Pacific Entomology, v.23, no.2, pp.371 - 379
- Journal Title
- Journal of Asia-Pacific Entomology
- Volume
- 23
- Number
- 2
- Start Page
- 371
- End Page
- 379
- URI
- https://scholarworks.bwise.kr/gachon/handle/2020.sw.gachon/26433
- DOI
- 10.1016/j.aspen.2020.01.001
- ISSN
- 1226-8615
- Abstract
- To compare the spread patterns between two types of plant viruses, non-persistent virus (NPV) and persistent virus (PV), we developed a spatially-explicit individual-based model. Our probability-based model is driven by the actions of insect vectors that are affected by interactions with host plants and plant viruses, considering both biological and behavioral components of their relationship. As a model system, we used potato virus y and potato leafroll virus, respectively for NPV and PV, potato for host plant, and Myzus persicae for the insect vector; empirical results from previous studies were acquired and adjusted to be used as our parameter values. Our simulation results showed that initial infection of PV in the field resulted in over 1.3 times greater number of insect vectors while causing approximately 7 times greater number of virus-infected plants compared to NPV by the end of simulation. Furthermore, spatial analysis showed that PV-infected plants showed greater aggregation in the field, forming larger patches compared to NPV-infected plants. Our results demonstrated the importance of host plant and insect vector manipulation by plant viruses as well as biological properties such as infectious period in the insect on the difference in overall spread pattern. © 2020
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