HELIA 24

July 1996

Table of contents 

LIGHT INTERCEPTION AS AN INDICATOR OF LEAF AREA INDEX AND RlSK OF DISEASES IN SUNFLOWER 
Philippe Debaeke, Didier Raffaillac.......... 1 

LEAF AREA DEVELOPMENT OF FIELD-GROWN SUNFLOWER PLANTS (Helianthus annuus L.) IRRlGATED WITH SALINE WATER 
Pasquale Giorio, Giuseppe Sorrentino, Paola Caserta, Pasquale Tedeschi.......... 17 

EFFECT OF SOURCE-SINK RELATIONSHIP ON YIELD COMPONENTS AND YIELD OF CONFECTION SUNFLOWER (Helianthus annuus L.) 
Yehoshua Saranga, Pavel Horcicka, SamueI Wolf............ 29 

A NEW SUNFLOWER MUTANT FORM 
Michail Christov.......... 39 

EFFECT OF ENVIRONMENTAL CONDITIONS ON THE EVALUATION OF COMBINING ABILITY OF SUNFLOWER INBRED LINES 
Dimiter Petakov ..........47 

PRELIMINARY INVESTIGATIONS ON INTERSPECIFIC HYBRlDS BETWEEN Helianthus annuus L. AND PERENNIAL Helianthus L. SPECIES 
Ljudmila Nikolova, Michail Christov.......... 53 

DEVELOPMENT OF FERTILITY RESTORER LINES ORlGINATING FROM INTESPECIFIC HYBRIDS OF GENUS Helianthus 
M. Christov, P. Shindrova, V. Encheva, V. Venkov. L. Nikolova, Al. Piskov, P. Petrov, V. Nikolova.......... 65 

OXIDATION STABILlTY OF SUNFLOWER OIL OF ALTERED SUNFLOWER AFTER SEED STORAGE 
Vrbaski Z., Budtncevic M., Turkulov J., Skoric D., Vranac K.......... 73 

HYPHAL INTERFERENCE OF Diaporthe Phomopsis Helianthi WITH RELATED SPECIES 
Dubravka Franic-Mihajlovic, Jelena Vukojevic, Nevena Mitic.......... 79 

SCREENING FOR RESISTANCE IN SUNFLOWER AGAlNST Altemaria helianthi 
M. Siddique Mtrza, John A. Hoes.......... 87 

RESISTANCE OF SUNFLOWER TO DOWNY MILDEW RACES 1,3 AND 4 
Ilona Walcz, F. Viranyi.......... 93 

GENETIC TRANSFORMATION OF TOBACCO WITH orf522 MITOCHONDRlAL GENE FROM SUNFLOWER 
A.D. De Tuglie, M.C. Fiore, T. Trabace, F. De Leo, L. Siculella, F. Sunseri, R. Gallerani .......... 99 

PLANT REGENERATION FROM COTYLEDONS DERIVED FROM MATURE SUNFLOWER SEEDS
Nestares, Graciela: Zorzoli. Roxana: Mroginski, Luis and Picardi, Liliana.......... 107 

ISOZYMIC VARlABILITY OF SELFPOLINATED SUNFLOWER (Helianthus annuus L.) LINES 
M. Zlokolica. Z. Nikolic, S. Turkav, M. Milosevic, M. Graovac, D. Skoric.......... 113