Articles
DISTRIBUTION, DETECTION PROTOCOLS AND CHARACTERIZATION OF PSEUDOMONAS SYRINGAE PV. ACTINIDIAE FROM KIWIFRUIT IN GALICIA (NORTHWEST SPAIN)
Article number
1095_5
Pages
49 – 55
Language
English
Abstract
Pseudomonas syringae pv. actinidiae (Psa) was detected for the first time in a kiwifruit orchard in Galicia (NW Spain) in 2011. About 83% of the Spanish kiwifruit are produced in this region.
Surveys were performed in Actinidia orchards in Galicia during 2011-2013. Symptomatic and asymptomatic leaves, canes, flower buds, fruit, sap and roots were collected from plants of Actinidia deliciosa, A. chinensis, A. argute and A. kolomikta. Characterization of isolates showed that 94% corresponded to the Psa biovar 3 population, highly virulent and currently widespread in many countries.
Nevertheless, some isolates that show different biochemical and molecular characteristics were also recently found.
They could be close to the Psa biovar 4 population of low virulence reported in New Zealand, although confirmation of their type or biovar will require evaluation of their behavior in kiwifruit cultivars and further work.
Surveys were performed in Actinidia orchards in Galicia during 2011-2013. Symptomatic and asymptomatic leaves, canes, flower buds, fruit, sap and roots were collected from plants of Actinidia deliciosa, A. chinensis, A. argute and A. kolomikta. Characterization of isolates showed that 94% corresponded to the Psa biovar 3 population, highly virulent and currently widespread in many countries.
Nevertheless, some isolates that show different biochemical and molecular characteristics were also recently found.
They could be close to the Psa biovar 4 population of low virulence reported in New Zealand, although confirmation of their type or biovar will require evaluation of their behavior in kiwifruit cultivars and further work.
Authors
A. Abelleira, A. Ares, O. Aguín, P. Mansilla, M. López
Keywords
Actinidia, population, identification, haplotype, molecular characteristics
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