HELIA 02

December 1979

Table of contents

EUROPEAN CO-OPERATIYE TRIALS WITH SUNFLOWER HYBRIDS & VARIETIES (1978-1979)
A. V. VRÂNCEANU and F. M. STOENESCU (Romania)with the collaboration of D. IMolffhardt (Austria), Y. Stoyanova (Bulgaria), M. Rollier, P. Leclercq, G. Piquemal (France), W. Schuster (Germany F. Rep.), E. Kurnik, J. Frank (Hungary), E. Alba, G. P. Vannozzi (Italy), Z. Kloczowski (Poland), F. Pinheiro Alves (Portugal), V. Rusanovski (Romania), J. Dominguez-Giménez (Spain), K. Ilisulu, T. Cirit, E. Indelen (Turkey), D. Skoric (Yugosl,avia)..........5

PROTEIN CONTENT OF SUNFLOWER HYBRIDS & VARIETIES TESTED IN INTERNATIONAL TRIALS (1977)
E. Kurnik (Hungary)..........21

A PATH COEFFICIENT ANALYSIS OF SOME YIELD COMPONENTS IN SUNFLOWER
E.ALBA, A. BENVENUTI, R. TUBEROSA, G. P. VANNOZZI (Italy)..........25 

AN INDIRECT TEST FOR ESTIMATING SUNFLOWER DROUGHT TOLERANCE
Maria Terbea (Romania)..........31

CHEMICAL CONTROL OF SUNFLOWER WEEDS - FIRST RESULTS (1977-1978)
Y. REGNAULT (France), L. GARCIA TORRES (Espagne), E. KURNIK (Hongrie), G. P. VANNOZ,ZI (Italie), N. SARPE (Romania), Z. KOSOVAC (Yougoslavie)..........35 

EVALUATION PROCEDURES FOR THE INTENSITY OF DISEASE OCCURRENCE IN SUNFLOWER
M. ACIMOVIC (Yugoslavia) .........55

AN EVALUATION SCALE FOR BROOMRAPE (Orobanche Cumana A WALLR.) RESISTANCE OF SUNFLOWER BREEDING MATERIAL
Rossitsa BACHVAROVA (Bulgaria).........59 

INFECTION OF SUNFLOWER LEAVES BY ASCOSPORES OF SCLEROTINIA SCLEROTIORUM
Luca Cuk (Yugoslavia)..........63

CONTROL OF SUNFLOWER DOWNY MILDEW BY CHEMICAL TREATMENTS
Horia ILIESCU (Romania)..........65

THE NATIONAL SUNFLOWER IMPROVEMENT PROGRAM IN THE UNITED STATES
R.C. LEFFEL (USA)..........69