TITLE

Detection and molecular characterization of a phytoplasma affecting Prunus persica L. in Jujuy, Argentina

AUTHOR(S)
Fernández, Franco; Guzmán, Fabiana; Curzel, Viviana; Bejarano, Noemí; Conci, Luis
PUB. DATE
April 2013
SOURCE
European Journal of Plant Pathology;Apr2013, Vol. 135 Issue 4, p627
SOURCE TYPE
Academic Journal
DOC. TYPE
Article
ABSTRACT
Peach ( Prunus persica L.) plants with symptoms of yellowing, reddening, curling and leaf necrosis, premature defoliation and internode shortening were observed in production fields in Jujuy province (Argentina). A phytoplasma was detected by PCR using the universal primer pairs P1/P7 and R16F2n/R16R2 in all the symptomatic samples analysed. The RFLP profile of PCR products, amplified with R16F2n/R16R2 primers, shows that this phytoplasma, named Argentinean Peach Yellows (ArPY), belongs to subgroup 16Sr III-B. The phylogenetic analysis of the 1244 bp 16S rDNA cloned sequence, grouped the ArPY phytoplasma into the X-disease group with a closer relationship with CFSD, PssWB and ChTDIII phytoplasmas. This is the first report of a phytoplasma infecting peach trees in Argentina.
ACCESSION #
85860920

 

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