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Embryological development of Brevipalpus phoenicis (Acari: Tenuipalpidae): vector citrus leprosis

Grant number: 13/07369-0
Support type:Scholarships in Brazil - Scientific Initiation
Effective date (Start): June 01, 2013
Effective date (End): May 31, 2014
Field of knowledge:Agronomical Sciences - Agronomy - Plant Health
Principal researcher:Valdenice Moreira Novelli
Grantee:Thaís Elise Sinico
Home Institution: Instituto Agronômico (IAC). Agência Paulista de Tecnologia dos Agronegócios (APTA). Secretaria de Agricultura e Abastecimento (São Paulo - Estado). Campinas , SP, Brazil

Abstract

Brevipalpus sp (Tenuipalpidae) have significant economic importance because are vector of plant viruses that cause major damage in some crops and significant damage to the agricultural sector. Within the Brevipalpus genus, Brevipalpus phoenicis, is vector of Citrus leprosis virus C (CiLV-C), which causes citrus leprosis disease. Although the mite have distribution worldwide, this disease is still restricted to Central and South America, and cause great damage to citrus orchards, mainly São Paulo state, which is the world largest producer of orange. To combat this vector are invest millions of dollars in acaricides, material which may cause resistance in populations of mites, in addition to its high cost and potential damage to the environment. In recent years new information has been released about the different actors that involve leprosis pathosystem, such as the results of the complete sequencing of the genome of CiLV-C, studies on resistance and / or tolerance to leprosis in different citrus species, data on expression differential gene and susceptible plants tolerant. However, there are few studies focusing on vector and its biological, morphological and genetic. Thus, given the scarcity of basic information about this vector, our project aims to conduct a study of embryological B. phoenicis, contributing to the knowledge of developmental biology and its taxonomic position, which should soon be recast due to the presence of distinct types of mite in Brazil. It is expected in the short-medium time results for better understanding of this important vector species, its development and the relationship with the citrus pathosystem. (AU)

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