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Please use this identifier to cite or link to this item: http://dspace.utalca.cl/handle/1950/9468

Title: Characterization of the Bull's Eye Rot of Apple in Chile
Authors: Soto-Alvear, S.
Lolas, M.
Rosales, I.M.
Chavez, E.R.
Latorre, B.A.
Issue Date: Apr-2013
Publisher: AMER PHYTOPATHOLOGICAL SOC, 3340 PILOT KNOB ROAD, ST PAUL, MN 55121 USA
Citation: PLANT DISEASE Volume: 97 Issue: 4 Pages: 485-490 DOI: 10.1094/PDIS-06-12-0606-RE
Abstract: Soto-Alvear, S., Lolas, M., Rosales, I. M., Chavez, E. R., and Latorre, B. A. 2013. Characterization of the bull's eye rot of apple in Chile. Plant Dis. 97:485-490. Apple fruit in Chile are primarily produced for export to Asia, Europe, and the United States, which typically requires 15 to 40 days of maritime transportation. Therefore, Chilean apple production must fulfill the sanitization requirements imposed by the receiving countries. Under these circumstances, it was important to clarify the etiology of bull's eye rot that can severely affect 'Cripps Pink' apple and other late-harvest cultivars in Chile. Based on morphological characteristics and the partial sequence analysis of the internal transcribed spacer sequences and beta-tubulin genes, Neofabraea alba was identified as the causal agent of the bull's eye rot of Chilean apple. These results were further corroborated using species-specific primers. The incidence of bull's eye rot varied considerably; for instance, in 2009, 0.0 to 58.7% in 38 Cripps Pink orchards surveyed in the relatively arid and humid apple-growing areas of Chile, respectively. There was no evidence for the presence of N. malicorticis or N. perennans, which are commonly identified as causal agents of bull's eye rot in other apple-producing countries. Altogether, these data suggest that N. alba might represent the predominant and possibly the only cause of bull's-eye rot of Chilean apple.
Description: Soto-Alvear, S (Soto-Alvear, Sylvana)[ 1,2 ] ; Lolas, M (Lolas, Mauricio)[ 2 ] . Univ Talca, Fac Ciencias Agr, Talca, Chile.
URI: http://dspace.utalca.cl/handle/1950/9468
ISSN: 0191-2917
Appears in Collections:Artículos en publicaciones ISI - Universidad de Talca

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