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What about the safety of seed potatoes?

Co z bezpieczeństwem sadzeniaków ziemniaka?

Last week, Gazeta Polska and Telewizja Republika reported data on the "infection" of ring rot in the Potato Gene Bank in Bonin. The following day, a conference was organized on this matter, the course of which we have described in the article below. Now we publish the response of the Press Department of the Ministry of Agriculture to the question regarding confirmation or unpublished information.

Polish seed potatoes are safe. Watch the video from the conference

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Polish seed potatoes are safe. Watch the video from the conference

The Ministry of Agriculture responds to us regarding seed potatoes

What answer did we get? – The provincial inspector of plant protection and seed inspection in Koszalin found the presence of the Clavibacter sepedonicus bacteria in some samples taken from plants from the Potato Gene Bank of the Plant Breeding and Acclimatization Institute of the National Research Institute. Following these findings, the provincial inspector of plant protection and seed inspection in Koszalin, acting in accordance with statutory competences, conducted explanatory proceedings to determine the source of the infection and the range of the bacteria spread, as well as to determine the actions necessary to eliminate the infection. Based on the results of these proceedings, he issued administrative decisions specifying orders and obligations to eliminate the infection and ensure phytosanitary safety in the Gene Bank. These decisions take into account both national and EU regulations – the Ministry of Agriculture informed farmer.pl.

As added, the ministry has obliged IHAR-PIB to implement activities aimed at increasing the safety of in vitro plants contained in the Gene Bank resources. These activities, as reported, are being implemented successively.

The Press Department responded directly to the materials presented by Gazeta Polska and Telewizja Republika. We were given the following responses:

  1. It is not true that in the described situation the relevant services were not notified – in accordance with the applicable regulations, the relevant service to conduct the procedure in the event of detection of a quarantine pest is PIORiN, which has the necessary substantive knowledge and preparation, and above all modern laboratory facilities, which other services indicated in the material do not have. PIORiN has the necessary statutory powers to conduct the explanatory procedure.
  2. It is not true that in the described situation no appropriate remedial actions were taken – WIORiN in Koszalin, in its administrative decisions, ordered actions necessary to eliminate the infection and prevent further spread of the bacteria.
  3. It is not true that the Ministry of Agriculture and Rural Development did not take appropriate supervisory actions towards IHAR-PIB – in carrying out the instructions of the Ministry of Agriculture and Rural Development, IHAR-PIB developed and implemented corrective actions.
  4. The situation did not affect the resources deposited in the Gene Bank – no materials from the Gene Bank were lost.
  5. There is currently no threat of losing potato varieties of Polish breeding companies.
  6. There is no threat to potato producers in terms of the availability of seed potatoes produced by Polish breeding companies.
  7. There is no risk of introducing bacteriosis into the fields of Polish farmers, as each batch of plants is tested before being moved from the Gene Bank laboratory and provided with a plant passport.

– It should be emphasized that the detection of the infection at an early stage of potato planting material production prevented the possible spread of the bacteria in the production of seed potatoes – the Ministry of Agriculture replied to us.

Potato Gene Bank. Ringworm is not dangerous to humans or animals

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Potato Gene Bank. Ringworm is not dangerous to humans or animals

Calendar of events

Our editorial team also obtained the Ministry of Agriculture's calendar regarding the entire procedure in the case of bacteriosis. Below we publish the sequence of events we obtained for detecting bacteriosis:

  • On November 7, 2023, at the request of IHAR-PIB, WIORIN in Koszalin took samples from in vitro plants derived from 25 potato varieties (a total of 1,055 plants were tested).
  • On November 21, 2023, WIORIN suspected the presence of Clavibacter sepedonicus bacteria in in vitro plant samples derived from 6 potato varieties multiplied by employees of the IHAR-PIB Gene Bank laboratory, Bonin Branch.
  • On November 30, 2023, WIORIN Koszalin initiated administrative proceedings ex officio.
  • On December 8, 2023, WIORIN Koszalin, as part of the proceedings, began an inspection of the Gene Bank laboratory at the IHAR-PIB Branch in Bonin.
  • On December 12, 2023, further laboratory analyses revealed the presence of Clavibacter sepedonicus bacteria in in vitro plant samples derived from 6 varieties
    potato.
  • On March 4, 2024, WIORIN completed the inspection and issued a decision indicating the immediate need to sterilize and disinfect the laboratory and objects in contact with infected plants. The Institute implemented the recommendations.
  • On March 11, 2024, WIORIN, on the second order of IHAR-PIB, took samples from further in vitro plants derived from 28 potato varieties. The presence of Clavibacter sepedonicus bacteria was found in plant samples of only one variety.
  • Despite the extensive explanatory proceedings, WIORIN in Koszalin did not determine the original source of the infection. WIORIN in Koszalin ordered in administrative decisions to dispose of all in vitro potato plants from infected batches, related plants, and to disinfect all objects, tools, rooms, etc., which had contact with these plants. These activities were carried out under the supervision of WIORIN inspectors in Koszalin.
  • On April 16, 2024, the Ministry of Agriculture and Rural Development obliged IHAR-PIB to present information on the activities undertaken to date to eliminate infestation by quarantine pests of plants in vitro contained in the Institute's resources.
  • On May 23, 2024, the Director of IHAR-PIB informed the MRIRW about the development and gradual implementation of an action plan aimed at eliminating the threat of the Clavibacter sepedonicus bacteria in the Gene Bank. These activities consist of reviewing and developing restrictive security methods and procedures based on the latest reports and scientific tools; introducing access control; appointing a team to conduct an internal audit at the Institute. A meeting was organized at the GIORIN Central Laboratory in Toruń (held on April 8, 2024) to discuss current methods of identifying bacteria. Additionally, an audit was commissioned by an independent external entity.
  • On September 8, 2024, TV Republika broadcast the material in the program "Ścisle Jawne" We reveal the history of mysterious bacteriosis infections in the treasury of Polish agriculture! ". The program concerned the detection of the Clavibacter sepedonicus bacteria in in vitro plant samples derived in the laboratory from varieties deposited in the Gene Bank.

The quality of this year's potato tubers is not the best. This is a sign of storage problems

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