Apr 26, 2020

Brevipalpus Species Vectoring Citrus Leprosis Virus (Cilevirus and Dichorhavirus)

Journal of Economic Entomology
Leticia M FerreiraV M Novelli

Abstract

Citrus leprosis (CL) is one of the most devastating viral diseases of orchards, and industries correspondingly invest highly in the management and control of the virus vector. In Brazil, the disease is caused most predominantly by the citrus leprosis virus C (CiLV-C, Kitaviridae: Cilevirus), and also by citrus leprosis virus N (CiLV-N, Rhabdoviridae: Dichorhavirus). Both viruses are transmitted by false spider mites and at least three different species, Brevipalpus yothersi Baker, B. papayensis Baker, and B. phoenicis (Geijskes) sensu stricto, have been reported in citrus orchards. The main goal of this study was to evaluate the capacity of three Brevipalpus species to transmit citrus leprosis virus (cytoplasmic and nuclear types). The capacity of false spider mites to acquire the virus was accomplished using RT-PCR and the ability to inoculation the virus to host plants (common bean and sweet orange) was assessed via viral transmission assays. Common beans infested with B. yothersi and B. papayensis showed symptoms of CiLV-C in 87.5 and 17% of the plants assessed, respectively. In sweet orange, B. yothersi was exclusively able to inoculate CiLV-C, and around 83% of samples were symptomatic. Host plants infected with CiLV-N sho...Continue Reading

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Mentioned in this Paper

Genetic Vectors
Unclassified Firmicutes sensu stricto
Citrus leprosis virus C
Cytoplasm
Rhabdoviridae
Objective (Goal)
Tenuipalpidae
Evaluation
Tetranychidae
HIV Viral Load

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