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Assessment of recent outbreaks of Dickeya sp. (syn. Erwinia chrysanthemi) slow wilt in potato crops in Israel
Year:
2009
Authors :
Erlich, Orly
;
.
Hazanovsky, Marina
;
.
Lebiush-Mordechai, Sara
;
.
Tsror, Leah
;
.
Volume :
123
Co-Authors:
Tsror, L., Agricultural Research Organisation, Gilat Research Centre, MP Negev 85280, Israel
Erlich, O., Agricultural Research Organisation, Gilat Research Centre, MP Negev 85280, Israel
Lebiush, S., Agricultural Research Organisation, Gilat Research Centre, MP Negev 85280, Israel
Hazanovsky, M., Agricultural Research Organisation, Gilat Research Centre, MP Negev 85280, Israel
Zig, U., Mao'n Enterprises Ltd., MP Negev 85465, Israel
Slawiak, M., Department of Biointeractions and Plant Health, Plant Research International, Droevendaalsesteeg 1, Wageningen 6708PB, Netherlands
Grabe, G., Department of Biointeractions and Plant Health, Plant Research International, Droevendaalsesteeg 1, Wageningen 6708PB, Netherlands
Van Der Wolf, J.M., Department of Biointeractions and Plant Health, Plant Research International, Droevendaalsesteeg 1, Wageningen 6708PB, Netherlands
Van De Haar, J.J., HZPC Research BV, Metslawier 9123 ZR, Netherlands
Facilitators :
From page:
311
To page:
320
(
Total pages:
10
)
Abstract:
Suspected Dickeya sp. strains were obtained from potato plants and tubers collected from commercial plots. The disease was observed on crops of various cultivars grown from seed tubers imported from the Netherlands during the spring seasons of 2004-2006, with disease incidence of 2-30% (10% in average). In addition to typical wilting symptoms on the foliage, in cases of severe infection, progeny tubers were rotten in the soil. Six strains were characterised by biochemical, serological and PCR-amplification. All tests verified the strains as Dickeya sp. The rep-PCR and the biochemical assays showed that the strains isolated from blackleg diseased plants in Israel were very similar, if not identical to strains isolated from Dutch seed potatoes, suggesting that the infection in Israel originated from the Dutch seed. The strains were distantly related to D. dianthicola strains, typically found in potatoes in Western Europe, and were similar to biovar 3 D. dadanti or D. zeae. This is the first time that the presence of biovar 3 strains in potato in the Netherlands is described. One of the strains was used for pathogenicity assays on potato cvs Nicola and Mondial. Symptoms appeared 2 to 3 days after stem inoculation, and 7 to 10 days after soil inoculation. The control plants treated with water, or plants inoculated with Pectobacterium carotovorum, did not develop any symptoms with either method of inoculation. The identity of Dickeya sp. and P. carotovorum re-isolated from inoculated plants was confirmed by PCR and ELISA. © 2008 KNPV.
Note:
Related Files :
Bioassay
Dickeya dianthicola
Erwinia
Israel
Polymerase Chain Reaction
Seed tuber
Solanum tuberosum
Show More
Related Content
More details
DOI :
10.1007/s10658-008-9368-0
Article number:
Affiliations:
Database:
Scopus
Publication Type:
article
;
.
Language:
English
Editors' remarks:
ID:
32256
Last updated date:
02/03/2022 17:27
Creation date:
17/04/2018 01:08
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Scientific Publication
Assessment of recent outbreaks of Dickeya sp. (syn. Erwinia chrysanthemi) slow wilt in potato crops in Israel
123
Tsror, L., Agricultural Research Organisation, Gilat Research Centre, MP Negev 85280, Israel
Erlich, O., Agricultural Research Organisation, Gilat Research Centre, MP Negev 85280, Israel
Lebiush, S., Agricultural Research Organisation, Gilat Research Centre, MP Negev 85280, Israel
Hazanovsky, M., Agricultural Research Organisation, Gilat Research Centre, MP Negev 85280, Israel
Zig, U., Mao'n Enterprises Ltd., MP Negev 85465, Israel
Slawiak, M., Department of Biointeractions and Plant Health, Plant Research International, Droevendaalsesteeg 1, Wageningen 6708PB, Netherlands
Grabe, G., Department of Biointeractions and Plant Health, Plant Research International, Droevendaalsesteeg 1, Wageningen 6708PB, Netherlands
Van Der Wolf, J.M., Department of Biointeractions and Plant Health, Plant Research International, Droevendaalsesteeg 1, Wageningen 6708PB, Netherlands
Van De Haar, J.J., HZPC Research BV, Metslawier 9123 ZR, Netherlands
Assessment of recent outbreaks of Dickeya sp. (syn. Erwinia chrysanthemi) slow wilt in potato crops in Israel
Suspected Dickeya sp. strains were obtained from potato plants and tubers collected from commercial plots. The disease was observed on crops of various cultivars grown from seed tubers imported from the Netherlands during the spring seasons of 2004-2006, with disease incidence of 2-30% (10% in average). In addition to typical wilting symptoms on the foliage, in cases of severe infection, progeny tubers were rotten in the soil. Six strains were characterised by biochemical, serological and PCR-amplification. All tests verified the strains as Dickeya sp. The rep-PCR and the biochemical assays showed that the strains isolated from blackleg diseased plants in Israel were very similar, if not identical to strains isolated from Dutch seed potatoes, suggesting that the infection in Israel originated from the Dutch seed. The strains were distantly related to D. dianthicola strains, typically found in potatoes in Western Europe, and were similar to biovar 3 D. dadanti or D. zeae. This is the first time that the presence of biovar 3 strains in potato in the Netherlands is described. One of the strains was used for pathogenicity assays on potato cvs Nicola and Mondial. Symptoms appeared 2 to 3 days after stem inoculation, and 7 to 10 days after soil inoculation. The control plants treated with water, or plants inoculated with Pectobacterium carotovorum, did not develop any symptoms with either method of inoculation. The identity of Dickeya sp. and P. carotovorum re-isolated from inoculated plants was confirmed by PCR and ELISA. © 2008 KNPV.
Scientific Publication
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