Citrus Leprosis: Centennial of an Unusual Mite–Virus Pathosystem

Bastianel, Marinês; Novelli, Valdenice M.; Kitajima, Elliot Watanabe; Kubo, Kosuke; Bassanezi, R. B.; Machado, Marcos Antônio; Freitas-Astúa, Juliana

doi:10.1094/pdis-94-3-0284

Cited by 134 publications

(175 citation statements)

References 32 publications

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“…Its genome was entirely sequenced (Locali-Fabris et al, 2006;Pascon et al, 2006) and it was accepted as the type-member Present status of citrus leprosis in Argentina and Paraguay of the new genus Cilevirus (Locali-Fabris et al, 2006;Carstens, 2010;Locali-Fabris et al, 2012), resulting in molecular (Locali et al, 2003) and immunochemical tools (Calegario et al, 2013) for CiLV-C detection. Although symptoms in the fruits and barks caused by CiLV-C and CiLV-N are undistinguishable, there is a slight but consistent difference in leaf symptoms: CiLV-N causes smaller lesions with a dark central spot surrounded by a bright yellow halo while lesions caused by CiLV-C may reach larger size and present a light green color commonly with one or more gummy rings (Bastianel et al, 2010). Analyses made on photographic records and samples of herbarium from sweet orange leaves from Florida strongly suggest that leprosis in that State was caused by CiLV-N (Kitajima et al, 2011a).…”

Section: Introductionmentioning

confidence: 96%

“…Leprosis is not causing serious losses due to an intense use of chemical acaricides to control the mite vector at a cost of US$ 80 million/ year. This promoted the development of a strong research programs by a consortium of Brazilian and foreign research institutes, with the aim to reduce such a high production cost, which resulted in significant advance on the knowledge of the CL pathosystem Bastianel et al, 2010).…”

Section: Introductionmentioning

confidence: 99%

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Present status of citrus leprosis in Argentina and Paraguay

Cáceres¹,

Aguirre²,

Costa³

et al. 2013

Trop. plant pathol.

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Citrus leprosis (CL) was first described in South America in the 1920's. It is considered similar to a disease first observed back to 1860 in Florida. It is a destructive disease characterized by localized lesions on the leaves, fruits and stems, which may lead to the death of the affected plant if left untreated. Around 1940, CL was demonstrated to be transmitted by Brevipalpus mites in Argentina. Because little information exists on the status of CL pathosystem in Argentina and Paraguay, a survey was made in several citrus growing areas of these countries from 2009 to 2011, to evaluate its presence and relevance as well as the identification of the virus and the mite vector. CL was found in most of the sweet orange and/or mandarin orchards in Paraguay (Departamentos de Boquerón, Concepción, San Pedro, Cordillera, Alto Paraná, Itapúa) and Argentina (Provincias de Misiones, Corrientes, Entre Ríos). Incidence was usually low. The causal virus was identified as Citrus leprosis virus C (CiLV-C) by RT-PCR, electron microscopy and immunofluorescence. In all the visited regions in Paraguay and the region of Montecarlo, Argentina, the mites collected in plants infected by CiLV-C were identified as B. phoenicis.

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Section: Introductionmentioning

confidence: 96%

Section: Introductionmentioning

confidence: 99%

Present status of citrus leprosis in Argentina and Paraguay

Cáceres¹,

Aguirre²,

Costa³

et al. 2013

Trop. plant pathol.

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“…Para 2005 se registró ampliamente distribuido en varios municipios de los departamentos del Meta y el Casanare (León et al 2006a;Becerra et al 2007). Posteriormente, se encuentra un reporte de presencia de leprosis de los cítricos en Ibagué, Tolima (Bastianel et al 2010), lo cual indica la dispersión de la enfermedad en el país.…”

Section: Introductionunclassified

Transmisión de leprosis de los cítricos por ácaros Brevipalpus yothersi a través de hospederos no cítricos

León

Roy²,

Choudhary

et al. 2017

Corpoica Cienc. Tecnol. Agropecuaria

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“…7 There are reports that there is a northward movement of the virus, which could endanger citrus crop fields of North America. 8 Currently B. phoenicis suffers a selective pressure caused by the most commonly used acaricides on citrus crop protection such as dicofol, 9,10 hexythiazox, 11 and propargite. 12 In addition to this pressure, B. phoenicis shows parthenogenetic development leading to a quick promotion of the appearance of an evolved and chemical-resistant type of mite.…”

Section: Introductionmentioning

confidence: 99%

Towards new botanical pesticides: the toxic effect of Eremanthus goyazensis (Asteraceae) leaves essential oil against Brevipalpus phoenicis (Acari: Tenuipalpidae)

Baldin¹,

Souza²,

Silva³

et al. 2012

Quím. Nova

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Recebido em 26/4/12; aceito em 24/8/12; publicado na web em 25/9/12 This work reports the chemical characterization of Eremanthus goyzensis essential oil and its toxic effect over Brevipalpus phoenicis. The essential oil displayed a major composition of sesquiterpenes (61.87%) including trans-caryophillene (26.81%) and germacrene-D (13.31%). The fumigation test indicated a promising bioactivity over adult B. phoenicis individuals at 24 h (2.03 μL/L of air) and 48 h (1.08 μL/L of air) of exposition. A brief discussion of essential oils composition and their singular role on the toxic effect over B. phoenicis is provided here. Our results may contribute to a new and profitable use of a species of Brazilian flora on agribusiness.

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Citrus Leprosis: Centennial of an Unusual Mite–Virus Pathosystem

Cited by 134 publications

References 32 publications

Present status of citrus leprosis in Argentina and Paraguay

Present status of citrus leprosis in Argentina and Paraguay

Transmisión de leprosis de los cítricos por ácaros Brevipalpus yothersi a través de hospederos no cítricos

Towards new botanical pesticides: the toxic effect of Eremanthus goyazensis (Asteraceae) leaves essential oil against Brevipalpus phoenicis (Acari: Tenuipalpidae)

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