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Begomovirus and crinivirus in solanasceous: regional molecular epidemiology and sustainable integrated management alternatives

Grant number: 18/18274-3
Support type:Research Projects - Thematic Grants
Duration: February 01, 2019 - January 31, 2024
Field of knowledge:Agronomical Sciences - Agronomy - Plant Health
Home Institution: Escola Superior de Agricultura Luiz de Queiroz (ESALQ). Universidade de São Paulo (USP). Piracicaba , SP, Brazil
Co-Principal Investigators:Armando Bergamin Filho
Assoc. researchers: Alberto Fereres Castiel ; Alice Kazuko Inoue Nagata ; André Luiz Lorenzon ; Carlos Francisco Ragassi ; Joao Roberto Spotti Lopes ; Leonardo Cunha de Albuquerque ; Miguel Michereff Filho ; Mirtes Freitas Lima ; Pedro Henrique Brum Togni ; Regiane Cristina Oliveira de Freitas Bueno ; Renate Krause Sakate ; William M. Wintermantel
Associated scholarship(s):19/18639-4 - Interactions involving Begomovirus, Solanaceae and different cryptic species of Bemisia tabaci, BP.PD
19/16248-8 - Attempts to identify host sources of tomato severe rugose virus inoculum through partial viral genome sequences, BP.PD
19/14399-9 - Behavior of Bemisia tabaci, BP.TT


The present project proposes to continue epidemiological studies, at a regional level, to identify amplifier hosts responsible for frequent epidemics of diseases caused by tomato severe rugose virus (ToSRV) and tomato chlorosis virus (ToCV) in solanaceous crops in different producing regions of the country. Basic studies of the molecular characteristics of begomovirus and crinivirus, as well as virus/vector/plant interactions will be continued, to broaden understanding of the pathosystems. At the end, it is intended to establish sustainable alternatives for the management of these diseases, mainly in tomato, potato and pepper crops. To achieve this objective, the proposal is presented in five modules with the following specific objectives: (1) Molecular biology - detection, molecular characterization of begomovirus and gene flow in Bemisa tabaci MEAM1; (2) Virus-vector-plant relationships - population and behavioral studies of B. tabaci MEAM1 and MED and virus/plant relationships; (3) Regional epidemiology - identify the presence and performance of amplifiers hosts in epidemics; (4) Sources of inoculum: to identify the importance of alternative hosts in the epidemiology of both diseases; (5) The vector - studying biological parameters; (6) Management - to study different management alternatives, such as biological control of the vector, induced resistance, screening germplasm for genetic resistance, premunziation and cultural management. (AU)

Articles published in Agência FAPESP Newsletter about the research grant
Technique combats widespread passion fruit disease 

Scientific publications
(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)
BERGAMIN FILHO, ARMANDO; MACEDO, MONICA A.; FAVARA, GABRIEL M.; BAMPI, DAIANA; DE OLIVEIRA, FELIPE F.; REZENDE, JORGE A. M. Amplifier Hosts May Play an Essential Role in Tomato Begomovirus Epidemics in Brazil. FRONTIERS IN PLANT SCIENCE, v. 11, APR 15 2020. Web of Science Citations: 0.

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