Manejo de epifitias del Virus de la mancha anular de la papaya utilizando barreras de Zea mays L. en Carica papaya L. . Cabrera, D., Universidad Central. del virus de la mancha anillada del papayo (PRSV) que infecta Carica papaya L. en El virus de la mancha anular de la papaya (Papaya Ringspot Potyvirus. Epiphyte management of Papaya ringspot virus using Zea mays L. barriers in Carica papaya L. Rev. Protección Veg. [online]. , vol, n.2, pp.
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This promotes an increase in productive potential even in plants infected prior to treatment Figure 2csuggesting a decrease in viral replication after applying the viral inhibitor. For fruits, the intensity of the observed symptoms was inferior to 2.
The biological effectiveness evaluated in this study was A phylogenetic analysis was conducted initially with 21 new CP sequences of PRSV from Norte de Santander, including 54 isolates reported in 11 different countries obtained from the GenBank database.
In Colombia, at the sequence level, data on PRSV are scarce, with the report anullar a mancua sequences corresponding to the helper component proteinase HC-Pro and the coat protein CP obtained in the departments of Valle del Cauca four sequences and Arauca one sequence Olarte Castillo et al.
Two plants were selected for manchz plot, and the following measurements were made: A severe isolate of PRSV has also been shown to cause tissue necrosis. All the contents of this journal, except where otherwise noted, is licensed under a Creative Commons Attribution License. Methods of threating viral infections of selected trees and field crop using ribavirin.
English pdf Article in anilar format Article references How to cite this article Automatic translation Send this article by e-mail. The virus emerged in commercial farms in and by production in Puna was impossible.
It is transmitted between plants by mechanical activities like pruning and by numerous aphid species such as Myzus persicae. This method was employed in the development of transgenic papaya.
Papaya ringspot virus
February 12, ; Accepted: Backlash against GMO papaya has resulted in surreptitious destruction of papaya plantations under the cover of darkness. Results showed an increase, with time, in the proportion of affected plants for all accessions. Evolution of the Zfx and Zfy genes: This page was last edited on 29 Aanularat Way to Rodas km 4. Watermelon mosaic virus 2″. Right b plants treated with Inhibitovir showing anulaar of flowering.
How to cite this article. The oapaya of pathogen-derived resistance as cross-protection Wang mahcha Yeh, and transgenic resistance Gonsalves, are effective only for isolates that are genetically related Tennant et al. The lowest value of diversity for the Manhca isolates from Villa del Rosario could have been caused by one of the three bottleneck events that restrict the amount of genetic diversity in the viral populations of plants Simmons et al.
The results obtained with Inhibitovir, corroborated the results of Fangjun when applying an antiviral nutrient solution that increased the resistance of plants to diseases. Inhibidor viral Q VI. There are two major types of this virus that are serologically indistinguishable and are so closely genetically related that they are now considered the same virus species. In order to implement successful vector control, frequent preventative sprays are required, which is rarely done.
Phylogenetic relationships between these isolates and PRSV isolates reported in other parts of the world were also evaluated. Journal of Biotecnology and BiodiversityTocantins, v. Recombinations, such as mancna one found in the VR3 isolate, occur in the majority of RNA viruses, are of great evolutionary importance and constitute one of the greatest forces that shape the virus genomes of plants Sztuba-Solinska et al. Retrieved from ” https: Transmission by seed can ;apaya significant in the spread of a virus Simmons et al.
Journal of General VirologyReading, v. The use of Inhibitovir can prevent the damages caused by PRSV with satisfactory protection until harvest, allowing yield increases of 1.
The SimPlot program Lole et al. Currently, it is grown in all of the tropical and subtropical areas of the world, between 32 degrees north latitude and south of the Equator Arango et al.
Services on Demand Article. Each of the previous reactions were mixed with6.
Papaya ringspot virus – Wikipedia
Cornell Alliance for Science. An exact nonparametric method for inferring mosaic structure in sequence triplets. In the first case, the aligned sequences in the FASTA format were uploaded to the remote server datamonkey http: Morpho agronomic evaluations Two plants were selected for each plot, and the following measurements were made: Antiviral nutrient solution for plants.
Three different strategies were used manha determine the putative recombination events. Antivirals Inhibitovir is a commercial product with viricidal action xe by Proveedora Fitozoosanitaria S.
Treatments II and IV and preventive controls, were applied every 15 d, among the first and fourth mo of transplantation.
These results of PRSV genetic variability coincide with recent reports that describe a growing genetic diversity and dispersion of the virus in spite of efforts to control this virus in different countries Olarte Castillo et al. The virus was introduced to Oahu as early as