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A mathematical approach to study the spatio-temporal dynamics of agricultural pests on Bt crops and the establishment of refugee

Grant number: 15/10640-2
Support type:Scholarships in Brazil - Doctorate
Effective date (Start): September 01, 2015
Effective date (End): September 01, 2017
Field of knowledge:Interdisciplinary Subjects
Principal researcher:Wesley Augusto Conde Godoy
Grantee:Adriano Gomes Garcia
Home Institution: Escola Superior de Agricultura Luiz de Queiroz (ESALQ). Universidade de São Paulo (USP). Piracicaba , SP, Brazil
Associated research grant:14/16609-7 - A multi - and interdisciplinary approach to understand spatio-temporal patterns of insect pests and design landscapes for sustainable pest management in tropical agricultural systems, AP.TEM
Associated scholarship(s):16/00831-8 - Predicting the spatial-temporal distribution of Spodoptera frugiperda (Lepidoptera: Noctuidae) populations in agricultural landscapes from Florida (usa), BE.EP.DR


The intensive use of transgenic crops in the agriculture raises questions about the selection of resistant insects to genetically modified crops, creating a new demand to the scientific research in what concerns agricultural landscapes. One of the most known techniques to manage the resistance is the use of refugee areas, which are regions with no-transgenic crops, located inside the agricultural lands. However, the portion of land destined to be refugee is very discussed. In the current project we aim to develop and apply a mathematical and computational approach to simulate the population dynamics of agricultural pests for different arrangements constituted by a mosaic of agricultural lands that represent different proportions of refugee areas in order to define the one that optimize the insect resistance management in transgenic crops. In a next stage, the model will be validate for a real area. (AU)

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Scientific publications (4)
(References retrieved automatically from Web of Science and SciELO through information on FAPESP grants and their corresponding numbers as mentioned in the publications by the authors)
GARCIA, A. G.; GODOY, W. A. C.; THOMAS, J. M. G.; NAGOSHI, R. N.; MEAGHER, R. L. Delimiting Strategic Zones for the Development of Fall Armyworm (Lepidoptera: Noctuidae) on Corn in the State of Florida. Journal of Economic Entomology, v. 111, n. 1, p. 120-126, FEB 2018. Web of Science Citations: 5.
GARCIA, A. G.; ARAUJO, M. R.; URAMOTO, K.; WALDER, J. M. M.; ZUCCHI, R. A. Geostatistics and Geographic Information System to Analyze the Spatial Distribution of the Diversity of Anastrepha Species (Diptera: Tephritidae): the Effect of Forest Fragments in an Urban Area. ENVIRONMENTAL ENTOMOLOGY, v. 46, n. 6, p. 1189-1194, DEC 2017. Web of Science Citations: 2.
GARCIA, A. G.; GODOY, W. A. C. A Theoretical Approach to Analyze the Parametric Influence on Spatial Patterns of Spodoptera frugiperda (JE Smith) (Lepidoptera: Noctuidae) Populations. Neotropical Entomology, v. 46, n. 3, p. 283-288, JUN 2017. Web of Science Citations: 2.
GARCIA, ADRIANO G.; FERREIRA, CLAUDIA P.; CONSOLI, FERNANDO L.; GODOY, WESLEY A. C. Predicting evolution of insect resistance to transgenic crops in within-field refuge configurations, based on larval movement. ECOLOGICAL COMPLEXITY, v. 28, p. 94-103, DEC 2016. Web of Science Citations: 9.
Academic Publications
(References retrieved automatically from State of São Paulo Research Institutions)
GARCIA, Adriano Gomes. Computational modeling to describe the dynamics of fall armyworm Spodoptera frugiperda (J.E. Smith) (Lepidoptera: Noctuidae) in Bt crop areas. 2017. Doctoral Thesis - Universidade de São Paulo (USP). Escola Superior de Agricultura Luiz de Queiroz Piracicaba.

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