Third Announcement

IOBC-WPRS Working Group “Integrated Plant Protection in Fruit Crops”

Sub Group “Pome Fruit Diseases”

12th International IOBC/WPRS Workshop on Pome Fruit Diseases

15-18 June 2020

Plovdiv, Bulgaria

Third 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 15 to 18 June 2020 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

1. Diagnostic tools
2. Pathogen biology and epidemiology
3. Monitoring and forecasting infection risks
4. Host-plant resistance and biodiversity
5. Control methods (biocontrol, chemical, alternative, physical, sanitation)
6. Spray quality and disease control
7. Canker diseases
8. Postharvest diseases
9. Soil borne diseases
10. Replant disease


The official website is

Special attention will be given to poster presentations in plenary discussions during the meeting. During the workshop there will be a special symposium on sustainable disease management where also 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 14 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


The official language will be English.


Abstracts must be sent to seminar local convenor by 30 March 2020. Abstracts will be reviewed for acceptance by a scientific committee, and authors will be notified by 21 April 2020 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  2020). 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 on 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 2020 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).


Fees for extra program
1-day meeting in the lenticel rot group, Sunday 14 June: 40 Euro
Spouse excursions, 14, 16, and 18 June (lunches not included): 100 Euro
Post conference excursion, Friday 19 June: 90 Euro (60 Euro for students)



Important Dates



The meeting will be held at Agricultural University-Plovdiv, Plovdiv (

Address: 12 Mendeleev Blvd., Plovdiv 4000, Bulgaria.

We have secured a number of rooms at Park Hotel Plovdiv . 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:

Single room White Edition: 40 EUR

Double room White Edition: 52 EUR

Standard single room: 35 EUR

Standard double room: 45 EUR


Spouse activities

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

Monday 15 June: A walk in the city center of Plovdiv

Tuesday 16 June: One day trip to Koprivstitsa (

Thursday 18 June: Half day trip to Bachkovo Monastery near Plovdiv (

The total fee for the spouse excursions 15, 16 and 18 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 16 June, the workshop excursion Wednesday 17 June and the farewell dinner Thursday 18 June.





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)


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