Date of report |
21.06.2007 |
Status gf report |
Preliminary |
Identity of pest |
Ralstonia solanacearum |
Host(s) or Article) concerned |
Potatoes (for consumption) and tomatoes (fresh) |
Status of Pest (under ISPM 8) |
Regulated pest |
Geographical distribution |
163,6 ha in Altınova village (Ayvalik town) of Balıkesir province of Aegean Region and also 67,1 ha in Canakkalc province of Aegean Region of Turkey. |
Nature of immediate or potential danger, or other reason fbr reporting |
Information only. Outbreaks contained potatoes for consumption and fresh tomatoes. On potatoes it is first finding since 1995 when the bacterium has been found only in 5 field in Central Anatolia Region of Turkey and was successfully eradicated. On tomato it is the first finding. The organism is found also in one irrigation canal' in Canakkale province, Solanum nigrum and some other solanaceous weeds in me infested areas and it is subject to eradication where it is feasible. |
Short description or summary |
FINDING OF POTATO BROWN ROT
On May 2006 in one late spring harvested potato (for consumption) field in Altınova village (Ayvahk town) of Balıkesir province of Aegean Region typical symptoms of brown rot were observed. Testing at Laboratory of Bacteriology of Bornova Plant Protection Research Institute indicated the presence of the brown rot bacterium by using immunofilorescence (IF), plating onto semi selective SMSA medium, biochemical arid pathojenicity test methods explained in EU Control Directive (1998 ). Real-time PCR '. performed at Laboratory of Bacteriology of Central Plant Protection Research Institute : confirmed the presence of the bacterium. After detection of the bacterium in one potato field in Altınova village systematic surveys were started on late spring and autumn , harvested potato crops in this production area Samples taken by Plant Health Service of ; Provincial Directorate of Agriculture of Balıkesır were tested As a results of testing 163,6 ha in Altinova was found to be infested by the bacterium.
FINDING OF BACTERIAL WILT OF TOMATO.
In the summer of 2006 severe wilt symptoms of tomato plants m some tomato (fresh) fields in locality Batakova of Canakkale province of Aegean Region were observed. Immunofluorescence, plating onto semi-selcctive SMSA medium, biochemical and pathogenicity tests performed at Laboratory of Bacteriology of Bomova Plant Protection Research Institute and real tune PCR test at Laboratory of Bacteriology of Central Plant Protection Research Institute confirmed the presence of the bacterium. All tomato production areas in locality Batakova were surveyed by Plant Health Service of Provincial , Directorate of Agriculture of Canakkale province and laboratory analyses were performed with suspected samples. 67,1 ha were found to be infested- The bacterium was detected ; also in canal water used in irrigation of infested fields.
Quarantine measures outlined in Raistonia solanacearum (Smith) Yibuuchi el «!.' ile Mücadele Hakkında Tebliğ which have been prepared in accordance with EU Control Directive (1998) were taken in infested potato and tomato production areas. The main j measures include prohibition of production of solanaceauos plants and other host in infested areas, tracing and testing program to investigate the source of contamination and , to prevent spread of the bacterium in new areas etc. |
Additional links |
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Issues keywords |
Bacteria; Outbreak, Pest status: Present/Presence |
Cotnmodity keywords |
Potatoes (for consumption) and fresh tomatoes |
Contact for more information |
Nurscn USTUN
Plant Protection Research Institute 35040, Bomova, Izmir, Turkey
nursen ustun@yahoo.com |
Related to topics |
Turkey |
