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Efficiency of cultural and physical management in the dispersion of Diaphorina citri and huanglongbing management

Grant number: 19/19649-3
Support Opportunities:Scholarships in Brazil - Post-Doctorate
Effective date (Start): November 01, 2019
Effective date (End): October 31, 2023
Field of knowledge:Agronomical Sciences - Agronomy - Plant Health
Principal Investigator:Marcelo Pedreira de Miranda
Grantee:Wellington Ivo Eduardo
Host Institution: Fundo de Defesa da Citricultura (FUNDECITRUS). Araraquara , SP, Brazil
Associated research grant:17/21460-0 - Measures for reducing primary infections in the integrated management of Huanglongbing in São Paulo citrus belt: technical and economic feasibility, AP.TEM


Chemical control is currently the most widely used tactic for the management of Diaphorina citri, even with frequent applications, primary infections of huanglongbing (HLB) are not completely prevented, requiring the development of alternative measures more sustainable for the disease management. Cultural (plant traps) and physical (processed kaolin-based particle film) control tactics have great potential to prevent or reduce the dispersion of D. citri and consequently the dissemination of HLB-associated bacteria. The objective of this activity plan is to assess the effect on the D. citri and HLB dissemination, using Murraya paniculata as trap crop, and processed kaolin as a physical barrier in different citrus physiological conditions. The results will be obtained from dispersion studies with marked and natural populations of D. citri, HLB incidence, and citrus yields, performed in each treatment. The experiments will be performed in experimental areas and commercial orchards with chemical control of the vector.

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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)
MIRANDA, MARCELO PEDREIRA; EDUARDO, WELLINGTON IVO; TOMASETO, ARTHUR FERNANDO; LINHARES VOLPE, HAROLDO XAVIER; BACHMANN, LUCIANO. Frequency of processed kaolin application to prevent Diaphorina citri infestation and dispersal in flushing citrus orchards. Pest Management Science, v. 77, n. 12, . (19/19649-3)

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