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Effects of citrus varieties on the bacteria associated Huanglongbing (HLB) vector, Diaphorina citri Kuwayama HLB, 1908 (Hemiptera: Liviidae)

Grant number: 13/04291-0
Support type:Scholarships in Brazil - Doctorate
Effective date (Start): September 01, 2013
Effective date (End): December 31, 2016
Field of knowledge:Agronomical Sciences - Agronomy - Plant Health
Principal researcher:Pedro Takao Yamamoto
Grantee:Gustavo Rodrigues Alves
Home Institution: Escola Superior de Agricultura Luiz de Queiroz (ESALQ). Universidade de São Paulo (USP). Piracicaba , SP, Brazil


The Huanglongbing (HLB) or "greening" is currently considered as the most serious disease of citrus in Brazil and in the world whose symptoms are associated with bacteria Candidatus Liberibacter spp. Once, there is no curative measures for the disease the management is based on curative measures such as vector control of the pathogen Diaphorina citri. This insect has a host range of about 20 species in the family Rutaceae, including the genus Citrus, however, not all hosts allow the full development of the insect. Thus, the aim of this work is to study the effects of different commercial varieties of citrus on the behavioral aspects and biological of D. citri. Four subprojects will be realized: i) Studies on the host selection behavior of D. citri in different varieties of citrus and identification of possible volatile involved ii) Effect of citrus varieties on the feeding behavior of D. citri, iii) Influence of citrus varieties in the processes of acquisition and transmission of Ca. Liberibacter asiaticus by the vector and iv) Effect of combinations scion and rootstock on the biology of D. citri.

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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)
ALVES, G. R.; DINIZ, A. J. F.; VIEIRA, J. M.; SILVEIRA, C. H.; PARRA, J. R. P. Practical and Simple Systems for Food Intake Studies on Phloem-Sucking Insects. Neotropical Entomology, v. 50, n. 1 JUL 2020. Web of Science Citations: 0.
DINIZ, A. J. F.; GARCIA, A. G.; ALVES, G. R.; REIGADA, C.; VIEIRA, J. M.; PARRA, J. R. P. The Enemy is Outside: Releasing the Parasitoid Tamarixia radiata (Hymenoptera: Eulophidae) in External Sources of HLB Inocula to Control the Asian Citrus Psyllid Diaphorina citri (Hemiptera: Liviidae). Neotropical Entomology, v. 49, n. 2 DEC 2019. Web of Science Citations: 3.
ALVES, GUSTAVO RODRIGUES; BELOTI, VITOR HUGO; FAGGIONI-FLORIANO, KENYA MARTINS; DE CARVALHO, SERGIO ALVES; MORAL, RAFAEL DE ANDRADE; BORGES DEMETRIO, CLARICE GARCIA; POSTALI PARRA, JOSE PRIME ROBERTO; YAMAMOTO, PEDRO TAKAO. Does the scion or rootstock of Citrus sp affect the feeding and biology of Diaphorina citri Kuwayama (Hemiptera: Liviidae)?. ARTHROPOD-PLANT INTERACTIONS, v. 12, n. 1, p. 77-84, FEB 2018. Web of Science Citations: 2.

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