Experimental host range of Citrus leprosis virus C (CiLV-C)
Citrus leprosis (CL) is a serious threat to the citrus industry, especially for sweet oranges. For a long time, Citrus spp. were considered the only susceptible hosts. However, other plant species were also found either experimentally or naturally to be susceptible to Citrus leprosis virus C (CiLV-C). To assess the experimental host range of CiLV-C, a large number of plant species were inoculated with Brevipalpus phoenicis, viruliferous to CiLV-C, under experimental conditions. Out of the 140 tested species (43 families), 59 species (24 families) developed localized chlorotic and/or necrotic lesions upon inoculation of leaves with viruliferous mites, and 40 species (18 families) of them yielded positive results for CiLV-C detection in at least one of the following assays: ELISA, RT-PCR, transmission electron microscopy and immunfluorescence. For those that developed lesions and yielded negative results in CiLV-C detection assays, the results may be attributed to the small number of lesions and their necrotic state with very little viral material. The fact that a considerable number of plant species are susceptible to the virus after mite inoculation brings up implications for the epidemiology, quarantine and evolution of the citrus leprosis pathosystem.
Main Authors: | Garita,Laura Cristina, Tassi,Aline Daniele, Calegario,Renata Faier, Freitas-Astúa,Juliana, Salaroli,Renato B., Romão,Gerson O., Kitajima,Elliot W. |
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Format: | Digital revista |
Language: | English |
Published: |
Sociedade Brasileira de Fitopatologia
2014
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Online Access: | http://old.scielo.br/scielo.php?script=sci_arttext&pid=S1982-56762014000100006 |
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