12th International IOBC/WPRS Workshop on Pome Fruit Diseases

13-16 June 2022

Plovdiv, Bulgaria

First Announcement

On behalf of the IOBC/WPRS Working group “Integrated Plant Protection in Fruit Crops” Sub Group “Pome Fruit Diseases”, you are cordially invited to the forthcoming 12th International IOBC/WPRS Workshop on Pome Fruit Diseases that will take place from 13 to 16 June 2022 in Plovdiv, Bulgaria.

The workshop takes place every 3 years and aims to bring together the latest advances in research of pome fruit diseases, to provide an opportunity for exchange of information and ideas and to stimulate common research and collaboration.

The workshop program includes oral and poster sessions, plenary discussions, a meeting with growers and advisors and a one-day excursion.

Proposed topics

  • Diagnostic tools
  • Pathogen biology and epidemiology
  • Monitoring and forecasting infection risks
  • Host-plant resistance and biodiversity
  • Control methods (biocontrol, chemical, alternative, physical, sanitation)
  • Spray quality and disease control
  • Canker diseases
  • Postharvest diseases
  • Soil borne diseases
  • Replant disease

The official website is

Special attention will be given to poster presentations in plenary discussions during the meeting. There will be a special symposium on sustainable disease management where growers and advisors from Bulgaria and neighboring countries will be invited to attend.

Prior to the 12th International IOBC-WPRS Workshop on Pome Fruit Diseases, a 1-day meeting (Sunday 12 June) will be organized by the “Lenticel rot group”. This is an open discussion group with the main goal to discuss the latest research results related to storage diseases. For details, please contact Michel Giraud, e-mail: The program of that meeting will be available in the website of the 12th International IOBC-WPRS Workshop on Pome Fruit Diseases.

Preliminary Program

Sunday, 12 June 2022 Meeting of the Lenticel rot group.

Arrival and check-in at the hotel. Evening registration. Welcome evening.


Monday, 13 June 2022 Morning registration for the Workshop, opening. Scheduled oral and poster presentations. Meeting with the industry in the afternoon.


Tuesday, 14 June 2022 Scheduled oral and poster presentations. Late afternoon: visit to Plovdiv Old Town, Roman Amphitheatre and City Center. Dinner.


Wednesday, 15 June 2022 Full day excursion to apple and pear orchards. Visit of a rose oil distillery, the valley of the Thracian Kings and tombs near Kazanlak.


Thursday, 16 June 2022 Scheduled oral and poster presentations. Workshop dinner.


Friday, 17 June 2022 (Optional!!) Outside the formal program – excursion to the Medieval Capital city of Bulgaria, Veliko Tarnovo. Visit to Tsarevets Fortress, Old Town and market.


There is no limit on the number of participants. Just another night in the hotel in Plovdiv must be booked, and preliminary confirmation is needed.



The official language is English.



Abstracts must be sent to the local convenor Zvezdomir Jelev ( by 30 March 2022. Abstracts will be reviewed for acceptance by the scientific committee, and authors will be notified by 21 April 2022 whether their abstract has been accepted. Submitted abstracts will be printed in the book of abstracts handed out to participants during the meeting.



Authors may express their choice of oral or poster presentation; however, the scientific committee may invite the authors to change this choice.



Publications in IOBC-WPRS Bulletin

The authors of accepted abstracts will be invited to prepare and submit online a full manuscript or a two-page extended abstract, three months after the workshop (15 September 2022). After editing, the manuscripts or extended abstracts will be published in an IOBC-WPRS Bulletin. Delegates who are not members of IOBC-WPRS will have one year membership of IOBC from time of registration.  The proceedings published in the IOBC-WPRS Bulletin will be available online only for IOBC-WPRS members. Instructions to authors for the Bulletin manuscripts are available on the IOBC-WPRS website at



All participants must complete the online registration form on the website Delegates having submitted an abstract for an oral or poster presentation must register before 30 March 2022 for their abstract to be included in the final program and abstract booklet. The registration fee covers all sessions, workshop materials, IOBC-WPRS Bulletin (e-bulletin), welcome evening, coffee breaks, lunches, social activities, excursions and the workshop dinner.

All rates are in euro (EUR).


(Before 30 March 2022)


(After 30 March 2022 and
before 30 May 20


*IOBC-WPRS membership number is compulsory for registration

350 390
Non IOBC-WPRS Member 450 500
Participating Student

*Official university letter confirming the full-time student  status  required

150 150


Fees for extra program


1-day meeting in the lenticel rot group, Sunday 12 June: 40 Euro

Spouse excursions, 13, 14, and 16 June (lunches not included): 100 Euro

Post conference excursion, Friday 17 June: 90 Euro (60 Euro for students)



Important Dates

Second announcement, call for papers and posters                              15 January 2022

Closing date for submission of abstracts                                   30 March 2022

Closing date for early registration                                             30 March 2022

Closing date for late registration                                               30 May 2022

Submission of manuscript for IOBC-WPRS Bulletin                 15 September 2022




The meeting will be held at Agricultural University-Plovdiv ( in Plovdiv ( Address: 12 Mendeleev blvd., Plovdiv 4000, Bulgaria.


A number of rooms are reserved at Park Hotel Plovdiv ( for the meeting participants. The hotel is within 5 min walk to the workshop venue and at a place with convenient city transport connections. There are discounts for workshop participants and the prices per night including breakfast, internet, parking and all fees are:


Standard single room: 30 EUR

Standard double room: 44 EUR



Spouse activities

Separate activities/excursions will be organized for spouses during the workshop.

The total fee for the spouse excursions 13, 14 and 16 June will be 100 Euro; lunches are not included.


For no extra charge, spouses are welcome to participate in the visit to Plovdiv Old Town and the Roman Amphitheatre Tuesday 14 June, the workshop excursion Wednesday 15 June and the farewell dinner Thursday 16 June.




Working Group Convenor Sub Group Convenor Local Convenor
Claudio Ioriatti

Center for Technology Transfer

Fondazione Edmund Mach

Via E. Mach 1, 38010 S. Michele all’Adige (TN), Italy

Tel.: +39-0461-615 514

Fax: +39-0461-615 500


Arne Stensvand

NIBIO, Norwegian Institute of Bioeconomy Research

P.O. Box 115 1431 Ås, Norway Tel.: +47-91183430 Fax: +47-64946110

Zvezdomir Jelev

Agricultural University-Plovdiv

12 Mendeleev str., Plovdiv, 4000, Bulgaria

Tel. +359 654 234

Fax: +359 32 633157




The scientific committee for the 12th International IOBC/WPRS Workshop on Pome Fruit Diseases includes: Zvezdomir Jelev, Mariana Nakova, Maria Vitanova (Agricultural University-Plovdiv), Cheryl Lennox (Stellenbosch University, South Africa), Marcel Wenneker (Wageningen University & Research Centre, the Netherlands), and Arne Stensvand (Norwegian Institute of Bioeconomy Research, Norway)