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Symposium on Disease Tolerance in Sunflower, Beijing, PR China, 1996

Foreword

Index

l.Razas de Plasmopara halstedii presentes en Espana y evaluation de susceptibilidad en hibridos comerciales.
J.M. Melero-Vara, L. Molinero-Ruiz, A. Merino, J. Dominguez (Spain).......... 7
2. Expression of resistance in the Plasmopara halstedii -sunflower pathosystem
Ferenc Viranyi (Hungary), Thomas J. Gulya (USA)......... 14
3.1nheritance of resistance to downy mildew (Plasmopara halstedii) in sunflowers.
Said Mouzeyar, Patricia Roeckel-Drevet, Genevieve Gagne, Jacqueline Philippon, Laurent Gentzbittel, Emmanuelle Mestries, Paul Nicolas, Denis Tourvieille de Labrouhe, Felicity Vear (France)..... 22
4. Identification of resistance to Downy Mildew in sunflower. 
Qiu Liu, Shouen Wei, Jian Zhang, Jun Shen and Jingchen Bai (P.R.China).......... 28
5. The expression of genes controlling the mechanisms of defence of sunflowers against downy mildew (Plasmopara halstedii).
Florence Mazeyrat, Isabelle Salles, Patricia Drevet, Paul Nicolas, Denis Tourvieille de Labrouhe, Gérard Ledoigt (France) ............38
6. Heredity and breeding of resistance to sclerotiniose in sunflower.
Huang Xu Tang (P.R. China).......... 44
7. Resistance of sunflowers to extension of Sclerotinia sclerotiorum mycelium on leaves and capitula. 
Emmanuelle Mestries, Felicity Vear, Denis Tourvieille de Labrouhe (France) ..........50
8. Development of sunflower germplasm with resistance to Sclerotinia stalk rot.
Jerry F. Miller (USA) ..........56
9. Sclerotinia sclerotiorum : méthodes d'évaluation des comportements variétaux en serre vis-à-vis de l'attaque sur bourgeon terminal et de l'attaque au collet.
Andre Peres (France).......... 64
10. Multilocal Slerotinia sclerotiorum resistance tests.
Denis Tourvieille de Labrouhe, Emmanuelle Mestries, Felicity Vear (France).......... 71
11. Inheritance of resistance to Phomopsis {Diaporthe helianthi) in sunflowers.
Felicity Vear, Myriam Garreyn, Denis Tourvieille de Labrouhe (France) ..........77
12. Phomopsis screening of sunflower germplasm in the USDA Helianthus collection.
S. Masirevic (Yugoslavia), Thomas J. Gulya (USA) .... 83
13. Anatomical comparisons among Helianthus annuus L., H. tuberosus L. and their progenies.
Sonja Duletic-Lausevic, M. Mihaljcevic (Yugoslavia)......... 89
14. Research concerning resistance tests of sunflower against the pathogen Diaporthe/Phomopsis Helianthi (Munt. Cvet. et al.).
Maria Pacureanu-Joita, Alexandra Viorel Vranceanu, Dan Sorin Craiciu, Ion Sandu, Steluta Raranciuc (Roumania)..........94
15. Field evaluation of hybrid sensitivity in Diaporthe helianthi relationship between symptoms and yield losses.
Xavier Pinochet, André Estragnat (France)..........102
16. Resistance to Albugo tragopogonis in sunflower.
P. J. A. van der Merwe, B.C. Greyling (South-Africa).......... 106
17. Marker assisted selection of sunflower rust resistance genes.
Wendy R. Lawson, Ken Goulter, Gary Kong, Joseph Kochman, Robert Henry (Australia).......... 112
18. Estimating effects on yield and other agronomic parameters in sunflower hybrids infested with the new races of the sunflower broomrape (Orobanche cernua Loelf).
Juan Dominguez (Spain)..........118
19. Evaluacion de lineas e hibridos frente a Verticillium dahliae Kleb. en condiciones de infeccion natural e inoculacion artificial.
Jose M. Bruniard, Norma Huguet (Argentina) ..........124
20. In vitro technique to screen sunflower genotypes for Alternaria helianthi tolerance.
D. Theertha-Prasad, E. Gangappa, K.M. Channaknshnaiah (India).......... 128