PRO/PL> Potato wart disease - Estonia: eradicated

[Brian Edmonds]

POTATO WART DISEASE - ESTONIA: ERADICATED
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Date: 29 Jul 2003
From: ProMED-mail <promed at promedmail.org>
Source: EPPO Reporting Service 2003, No. 5 [edited]


2003/070 Surveys carried out in Estonia: absence of _Synchytrium 
endobioticum_
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The NPPO of Estonia recently informed the EPPO Secretariat of the 
results of surveys carried out in 2002 for _Synchytrium 
endobioticum_ [Se] (EPPO A2 quarantine pest).  In the past, Se 
had been found in 3 districts: Rapla district (one site) in 1949, Voru 
district (10 sites) in the 1970s and Valga district (2 sites) in 1985. In 
all cases, phytosanitary measures were immediately taken and the 
disease was eradicated.

In 2002, 26 samples were taken from all previously infected sites 
and their vicinity. In addition, random samples were taken in other 
districts. All samples were analysed in the laboratory and Se was not 
found.

The situation of Se in Estonia can be described as follows: Absent, 
found in the past but now declared eradicated, confirmed by survey.

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ProMED-mail
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[Se causes a very serious disease in potato and other _Solanum_ 
species. Its spores can remain viable for many years. It would 
appear that conditions for survival of the spores were favorable but 
eventually they lost their viability.  Diseased tubers are obvious. 
Disease management involves preventing spread of infected tubers, 
washing machinery and tools to remove adhering soil, and use of 
resistant cultivars. Infected tubers are not marketable, hence crop 
loss can be directly related to disease incidence.

Note: This report also included a piece about a disease in forest 
trees that was deleted, since ProMED-mail monitors major food 
crops only. - Mod.DH]

[see also:
2002
----
Potato wart disease - Canada (PEI) (02) 20020907.5253
Potato wart disease - Canada (Prince Edward Island) 
20020906.5243
2001
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Potato wart, potato - Canada (Prince Edward Island) 20011229.3136
2000
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Potato wart disease - Canada (P.E.I.): EPPO report 20001225.2276
Potato wart disease - Netherlands 20001118.2016
Potato wart disease - Canada (Prince Edward Island) 
20001028.1877
Potato wart disease 20000211.0191
1999
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Plant pests - Russia 19991202.2114]
.......................................dh/pg/jw
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