IHGC SCIENTIFIC COMMISSION,

TETTNANG, GERMANY 24 –28 JUNE 2007

Programme

SCIENTIFIC MEETING – 24-28 June 2007

Venue: Hotel Rad,

Lindauer Strasse 2, D-88069 Tettnang / Bodensee

Sunday, 24 June 2007

Arrival OF DELEGATES at the Hotel Rad, Tettnang

15:45-17:30Registration

16:00-18:00DArt-Meeting at the Hotel Rad, Tettnang

18:00-19:00OPENING AND WELCOME in the “Pilsbar” of the hotel

19:00DINNER (Formal smart dress)

Monday, 25 June 2007(Casual, comfortable dress)

07:30-08:00REGISTRATION

LECTURE SESSIONS: Hotel Rad

08:30-09:00OPENING

Session I:HOP BREEDING (5)

Chairperson:E. Seigner

09:00- 09:20The UK breeding programme: new site and new objectives

P. Darby

09:20-09:40Aspects of breeding aroma hops

V. Nesvadba, K. Krofta

09:40-10:00Breeding and Development of Triploid Aroma Cultivars

R. Beatson, P. Alspach

10:00-10:30COFFEE BREAK

Session I:HOP BREEDING (continued)

Chairperson:S. Seefelder

10:30-10:50How molecular markers effect the traditional New Zealand hop breeding.

E. Buck, C. Wiedow, R.A. Beatson

10:50-11:10Selection methods in hop disease resistance breeding in Slovenia

S. Radišek, A. Čerenak, B. Javornik

Session II:Developmental physiology (1)

11:10-11:30Endogenous hormonal profiles in the transition from vegetative to reproductive phase of hop plan

M.A. Revilla, N. F. Villacorta, J.A. Magadán*, H. Fernández

11:30-13:00LUNCH, Hotel Rad

Session III:HOP CHEMISTRY AND QUALITY (3)

Chairperson:K. Kammhuber

13.00-13:20Commercial hop extracts rich in xanthohumol

M. Biendl

13:20-13:40Changes in antioxidant properties of hops in the course of drying, pelletizing and storage

K. Krofta, A. Mikyška, D. Hašková

13:40-14:00Presenting, evaluating and comparing chemical composition of hop secondary metabolites at a glance - Chemometrics of bitter substances and xanthohumol

K. Milica, R. Hrastar, I. J. Košir

14:00-14:20DISCUSSION

14:45-17:15POSTER SESSION and BREAK, Schloss Tettnang

Hop growing region Tettnang – J. Heimpel and W. Ruther

17:15-17:45Photograph opportunity

19:15DEPARTURE for Kressbronn

19:30Visit of the Microbrewery “Max und Moritz”

20:00DINNER – Italian Buffet at the “Max und Moritz”

Tuesday, 26 June 2007(Casual, comfortable dress)

Session IV:DNA-BASED TECHNIQUES IN HOP RESEARCH (8)

Chairperson:G. Weber

08:15-08:35Molecular markers for alpha acids; study for practical application

Y. Okada, K. Koie,A. Inaba, T. Kaneko and K. Ito

08:35-08:55QTL mapping of alpha acid content in hop

A. Čerenak, Z. Satovic, J. Jakše, Z. Luthar, K. Carovic-Stanko, B. Javornik

08:55-09:15 Molecular methods in resistance hop research

J. Patzak

09:15-09:35cDNA-AFLP-marker for powdery mildew resistance

R. Seidenberger, S. Mikolajewski, A. Lutz, E. Seigner, S. Seefelder

09:35-09:55Towards the genetic map for Verticillium wilt resistance

J. Jakše, Z. Luthar Z, A. Cerenak, S. Radišek, B. Javornik

Session IV:NEW DNA-BASED TECHNIQUES IN HOP RESEARCH (continued)

09:55-10:20COFFEE BREAK

Chairperson:P. Matthews

10:20-10:40Constitutive expression of the gene of grapevine stilbene synthase in transgenic hop (Humulus lupulus L.) yields resveratrol and its derivatives in substantial quantities

G. Weber, M. Höhnle, N. Pitsch, K.R. Häntzschel, S. Stahringer, O. Spring,

B. Pickel, A. Heyerick, D. de Keukeleire

10:40-11:00Production of powdery mildew resistant hops (Humulus lupulus L.) via gene transfer

H. Miehle, E. Seigner

11:00-11:20Some aspects of regulation hop chalcone synthase CHS_H1 in heterologous systems, cloning and analysis of hop regulatory factors.

Matoušek, J., Škopek, J., , Patzak, J., Kocábek, T., Maloukh, L., De Keukeleire, J., Heyerick, A., Fussy, Z., Roldán-Ruiz, I., De Keukeleire, D.

11:20-11:35Report from the Hop Research Council

M. Nelson

11:35-12:15ADMINISTRATIVE MEETING

12:15-13:30LUNCH

13:45-17:30EXCURSION – visit of a hop farm and Hop Research Farm Strass

18:00-19:00Guided tour of the Hop Museum Tettnang

19:00-22:30DINNER at the Hop Museum Tettnang

Wednesday, 27 June 2007(Casual, comfortable dress)

Session V:DISEASES AND PESTS (5)

Chairperson:A. Weissenberger

08:00-08:20Hop flea beetle (Psylliodes attenuatus Koch) in Slovenia

M. Rak Cizej, L. Milevoj

08:20-08:40Study on cause of Fusarium cone tips blight.

E. Solarska

08:40-09:00Resistance to imidacloprid (Confidor 70 WG) in damson-hop aphid (Phorodon humuli Schrank) on Czech hops

J. Vostrel

09:00-09:20An ancient compound rediscovered: perspectives of aphid control in organic hop growing by the use of quassia products

F. Weihrauch, M. Eckert, B. Engelhard

09:20-09:40COFFEE BREAK

09:40-10:00Harmonization in the registration of pesticides in the EU

B. Engelhard

10:00-10:20DISCUSSION

10:20-10:40FINAL REMARKS

10:50-11:50LUNCH

12:00Excursion – Bus departs for Meersburg

Wednesday, 27 June 2007 (continued)

13:25 Boat to the Island Mainau

17:00Return from Mainau

18:30Departure for Langenargen

19:00GREETING and OFFICIAL DINNER at the castle “Montfort” (Formal smart dress)

Thursday, 28 June 2007

DEPARTURE of delegates or POST-CONFERENCE Tour

Post-Conference Tour – 28-30 June 2007

Thursday, 28 June 2007 – Freising and Hallertau region (Casual, comfortable dress)

08:00BUS DEPARTURE for Freising

11:30–12:30 LUNCH

12:30–14:30VISIT of the Hop Laboratories in Freising

14:30DEPARTURE for Wolnzach; CHECK-IN HOTEL HALLERTAU

16:00-17:30VISIT of the Hop Research Center at Huell

18:30BARBEQUE at the Hop Research Center Huell

22:30Return to the hotel

Friday, 29 June 2007 – Hallertau region(Casual, comfortable dress)

08:30Visit of the “House of HOPS” in Wolnzach

09:30DEPARTURE

10:00–12:30 Guided tour –

hop processing firmHallertauer HopfenveredElungs-GesELLschaft (Hopsteiner) in Mainburg

including Lunch

12:30DEPARTURE

13:00-16:00Guided tour –

Hop processing firm and trial brewery St. Johann

including BEER TASTING and SNACK

16:00DEPARTURE

16:30-17:30VISIT of the Hop Museum in Wolnzach

18:00Dinner or Departure of delegates /Transfer to the airport

Saturday, 30 June 2007 – Munich Tour (Casual, comfortable dress)

08:30–10:00DEPARTURE for Munich

10:30–15:30bus tour (Hip-On-Hip-Off-Tour) sightseeing with the option for shopping and visits

16:00–17:00RETURN to Wolnzach

Departure of delegates /Transfer to the airport

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Programme-SC2007