HELIA 33

Table of contents

BIOCHEMICAL AND HISTOLOGICAL CHANGES ASSOCIATED WITH DOWNY MILDEW (Plasmopara halstedii (Farl.) Berl. and de Toni) INFECTION IN SUNFLOWER (Helianthus annuus L.)
B.R. Prashanth Kumar, Mahesh J. Kulkarni, B.N. Veena Rao, K. Chandrika, V.R. Balakrishna Gowda, D. Theertha Prasad .......................1

STUDY ON AN Ambrosia ISOLATE OF Plasmopara halstedii
Ilona Walcz, Katalin Bogár, Ferenc Virányi ........................19

EVALUATION OF SPANISH ISOLATES OF Plasmopara halstedii FOR TOLERANCE TO METALAXYL
Molinero Ruiz, L., Domínguez, J., Melero-Vara, J.M ..................33 

UPDATE ON SUNFLOWER BROOMRAPE SITUATION IN SPAIN : RACIAL STATUS & SUNFLOWER BREEDING FOR RESISTANCE
J.M. Melero-Vara, J. Domínguez, J.M. Fernández-Martínez....................45 

RESISTANCE TO DISEASES, OBTAINED THROUGH INTERSPECIFIC HYBRIDIZATION
Liudmila Nikolova, Pepa Shindrova, Valentina Entcheva .............57

GENETIC CHARACTERIZATION OF SUNFLOWER MUTANTS WITH HIGH CONTENT OF SATURATED FATTY ACIDS IN SEED OIL
Begoña Pérez-Vich, Rafael Garcés, Jose M. Fernández-Martínez ...............77

YIELD OF DIFFERENT HEAD POSITIONS OF SUNFLOWER (Helianthus annuus L.) & ITS RELATIONSHIP WITH VASCULARIZATION
M.A. Thevenon, G.A.A. Dosio, F.J. Cardinali, L.A.N. Aguirrezábal ............85

TEMPERATURE - GERMINATION RESPONSES OF SUNFLOWER (Helianthus annuus L.) GENOTYPES
Khalifa, F.M., Schneiter, A.A., ELtayeb, E.I ...............97

AGRONOMIC ASPECTS OF THE SUNFLOWER 7-HYDROXYLATED SIMPLE COUMARINS
Elena Prats-Perez, María Eugenia Bazzalo,Alberto León, Jesús V. Jorrín Novo..............105

In vitro CAPITULUM INDUCTION ON SHOOT CULTURES OF Helianthus SPECIES
M. Sujatha, A.J. Prabakaran ...............113

QUALITY OF SOME INDIAN SUNFLOWER GENOTYPES & UTILIZATION OF CAKES IN SNACK FOODS
B. Praveena, C.V.S. Srinivas, G. Nagaraj ...............121

INTENSIVE SUNFLOWER CULTIVATION FROM IMMATURE SEEDS
Marin, I.V. .....................129

Cover page : Vladimir Spasic, "Six flowers in field", (Rimski Šancevi, 1999)
Vladimir Spasic was born on 16 November 1930 in Slavinje near Pirot, and graduated from the School of Applied Arts in Novi Sad in 1953. He spent his entire professional life working as a scenographer at the Sombor Municipal Theater. So far he has presented his works at more than one hundred independent exhibitions. Also, he took part in all four art workshops "Painters and sunflowers" held at the Experiment Field of the Department of Oil Crops of the Institute of Field and Vegetable Crops in Novi Sad.
Author's address: 25000 Sombor, Kralja Petra I, 30, phone: ++381 25 35 558.