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6th ISC, Bucharest, Romania, 1974 Vol.1

Volume I
OPENING SESSION

Opening address delivered by Academician Professor Nicolae GIOSAN, President of the Academy of Agricultural and Forestry Sciences and President of the 6th International Sunflower Conference   7
Speech delivered by Academician Professor Manea MANESCU,
Prime Minister of the Government of the Socialist Republic of Romania    9
A propos de la coopération en matière de recherches sur le tournesol
A.CAUDERON (France)      13
The world food situation in the years ahead
J. R. JENSMA (The Netherlands)   19

DEVELOPMENT OF SUNFLOWER GROWING IN VARIOUS COUNTRIES

Sunflower growing in Romania
N. GIOSAN (Romania)     9
Main results in sunflower research in the U.S.S.R.
N. I. DVOREADKIN (U.S.S.R.)    37
Sunflower crops and their problems in Bulgaria
Y. STOYANOVA (Bulgaria) 43
Sunflower growing in Spain
Rafael GONZALES-CARRASCOSA (Spain) 47
Certains problèmes liés au développement de la culture du tournesol en Italie
A. BENVENUTI, G. GIROTTO, G. VICENTINI (Italie)   51
Perspectives de la culture du tournesol au Portugal continental
J. DIAS LEITAO (Portugal)   59
Perspectives de la culture du tournesol au sud du Portugal
J. A. SAMPAIO, A. G. COSTA (Portugal)    65
Recherches sur les possibilités de culture du tournesol dans les conditions climatiques de la Pologne
A. HORODYSKI (Pologne)    77
Sunflower study memorandum in Turkey
Recai TASHAN (Turkey)    83
Sunflower cultivation in Iraq
Tarik A. J. TABRAH, Gursham S. GREWAL (Iraq)   85
Recent advances in sunflower development in India
N. S. MAINI (India)   91
The United States sunflower seed situation
F. G. THOMASON (U.S.A.)    95 
The consumption of sunflower oil in the Argentine Republic
Antonio J. CALVELO, Ernesto J. PARELLADA (Argentina)   101
Bases for the commercialization of sunflower seed in the Argentine Republic
Jorge CORT, Carlos REMUSSI (Argentina)   103
The past and present status of sunflower and prospects for future development in Australia
F. W. CUTTING (Australia)     107

PHYSIOLOGY AND BIOCHEMISTRY

Effect of periods of moisture stress during variouContribution à l’étude des besoins en eau du tournesol
Elisabeth NICOLAS, Jean-Guy PIERRE, Michel ROLLIER (France) 117
Effect of periods of moisture stress during various phases of growth of sunflower in the greenhouse
J. L. MURIEL, R. W. DOWNES (Spain) 127
Variability, of sunflower resistance to drought
Liana PIRJOL-SAVULESCU (Romania)    133
Evapotranspiration of the irrigated sunflower
Rodica PALTINEANU, GH. SIPOS (Romania) 145
Influence of CCC on sunflower growth, development and yield under controlled environment and field conditions
J. V. LOVETT, P. W. ORCHARD (Australia)  153
Effects of growth regulators on sunflower in the greenhouse and in field plots
M. DIAZ DE LA GUARDIA, L. GARCIA TORRES, J. BERENGENA (Spain)  161
Emergence of nine varieties of sunflower (Helianthus annuus L.) in salinized soil cultures
E. KARAMI (Iran)    167
The effect of leaf age and position on photosynthesis and the supply of assimilates during development in sunflower
J. R. McWILLIAM, S. D. ENGLISH, G. N. McDOUGALL (Australia)  173
Effects of artificial defoliation on components of yield in sunflower
A. S. RODRIGUES PEREIRA (The Netherlands)   181
Study of the relationship between leaf surface, grain yield and oil percent in different varieties of sunflower
A. MORADI, P. VOJDANI (Iran)  189
Environmental and physiological characteristics af­fecting sunflower adaptation
R. W. DOWNES (Spain)  197
Rate of NPK assimilative uptake of sunflower variety VNIIMK 8931
T. VREBALOV (Yugoslavia) 205
Oil and protein accumulation in sunflower seeds
A. B. DEAKOV, A. I. PANCHENKO (U.S.S.R.) 213
Fatty acid composition of sunflower {Helianthus annuus L.) varieties and F1 plants
Kosana KONSTANTINOV,  S. RATKOVIC, S. KAPOR(Yugoslavia)219
Biochemical differentiation of sunflower varieties as a result of inbreeding
P. IVANOV (Bulgaria)   225
Le tournesol, source de protéines : influence de divers facteurs écologiques et culturaux sur la production et la qualité protéique des graines
J. DECAU, P. LENCREROT. J. R. MARTY, J. PUECH,  B. PUJOL (France)   231
Biochemical characteristics of the present sunflower varieties and hybrids
A. A. BORODULINA, P. S. POPOV, I. N. HARCHENKO (U.S.S.R.)  239

GENETICS

The cytologic mechanism of male sterility in sunflower
Lucia PAUN (Romania)  .............................   249
Genetic analysis of some traits in sunflower (Helianthus annuus L.)
T. LUCZKIEWICZ (Poland)  ...................   259
Genetic variability of sunflower varieties and inbred lines
R. SHABANA (Egypt)    .............................   263
Yield components in sunflower
R. S. PATHAK (Kenya)  .........   271 
Correlation among the most important characters of sunflower in F1 generation
Dragan SKORIC (Yugoslavia) ...............  283
Inheritance of some heteromorphic characters in sunflower (Helianthus annuus L.)
V. SKALOUD, A. KOVAClK (Czechoslovakia)....   291
Studies on resistance to downy mildew in sunflowers (Helianthus annuus L.)
Felicity VEAR (France)   ...............   297
Research on the resistance of sunflower inbred li­nes and hybrids to Sclerotinia libertiana Fuck
Luka CUK (Yugoslavia) ............   303
Inheritance of resistance to Phialophora yellows of sunflower
J. A. HOES, H. ENNS (Canada) ...............309
Etude de la variation de quelques caractères chez les plantes M2 d'une variété de tournesol : Helianthus annuus var. Paymaster 54, irradiée par des rayons gamma
N. SAADAT, M. C. AMIRSHAHI, A. SARAFI (Iran)……….     311
Effets des rayons gamma sur certains caractères des plantes M1[ de deux variétés de tournesol
A. SARAF.I, N. SAADAT, M. C. AMIRSHAHI (Iran) …...   317
Correlations of some features in the breeding material of sunflower variety Wielkopolski
Z. KLOCZOWSKI (Poland)..........   321
Genetic and environmental modification of the clorogenic acid content of sunflower seeds
D. G. DORRELL (Canada)  ..............   325

BREEDING AND SEED PRODUCTION

Recherche d'un nouveau type de stérilité mâle cytoplasmique
P. LECLERCQ (France)......  331
Fertility restoration and variability for plant and seed characteristics in wild sunflowers
G. N. FICK, D, E. ZIMMER, J. DOMINGUEZ GIMENEZ, D. A. REHDER (U.S.A.)   333
New Argentine fertility restoration source for cytoplasmic male sterilityE. J. FERNANDEZ, M. DAVREUX, P. LXJDEIA, A. ORLOWSKI (Argentina)   339
A new male sterile form of sunflower (Helianthus annuus L.)
Jordanka GEORGIEVA-TODOROVA (Bulgaria) 343
The use of ethrel in the induction of male sterility in sunflower
FILOMENA F. CAMPOS (Philippines) 349
Utilization of male sterility in sunflower breeding for heterosis
V. V. BURLOV (U.S.S.R.)    353
Biological pecularities of cytoplasmic male sterility and schemes of its use
V. VELKOV, Y STOYANOVA (Bulgaria) 361
Sunflower hybrids resistant to downy mildew obtained on cytoplasmic male sterility basis
A. V. VRANCEANU, F. M. STOENESCU, H. ILIESCU, N. PARVU (Romania) 367
Results and prospects in sunflower breeding for group immunity by using the interspecific hybridization method
Galina V. PUSTOVOIT, I. A. GUBIN (U.S.S.R.) 373
The research trends in the field of sunflower breeding for heterosis at the All-Union Research Institute for Oil Crops (VNIIMK)
L. K. VOSKOBOINIK, K. I. SOLDATOV (U.R.S.S.)  383
The initial material for sunflower heterosis breeding
A. V. ANASCHENKO (U.S.S.R.) 391
Breeding sunflowers for Mediterranean type climatic conditions
R.W. DOWNES (Spain)  395
Sunflower breeding problems in Yugoslavia
Vida NIKOLIC-VIG, Dragan SKORIC (Yugoslavia)  401
New results on sunflower hybrid develop­ment in Yugoslavia
Dragan SKORIC (Yugoslavia) 405
Present situation of sunflower breeding in Argentina
M. DAVREUX, E. J. FERNANDEZ, P. M. LUDUENA, A. ORLOWSKY (Argentina)  411
Methods of selection to improve the production of sunflower (Helianthus annuus) in Zambia
G. M. RAVAGNAN (Zambia) 415
Sunflower breeding in South Africa
W. I. VERMEULEN (Rep. of South Africa) 421
Maintenance of the biological and genetic value of inbred lines in sunflower hybrid seed production
A. V. VRANCEANU, F. M. STOENESCU, P. CARAMANGIU (Romania)  .....427
The influence of inbreeding and sib crossing on the characters of productivity in sunflower (Helianthus annuus L.)
A. KOVACIK, V. SKALOUD (Czechoslovakia)..... . 435
Sunflower seed production development in Spain
R. LOPEZ DE HARO (Spain) .....439
Single, three-way and double-crosses in sunflower
V. VULPE (Romania).....443
The effect of pollination stage on the percentage of hybrid seeds in hand-made crosses of sunflower (Helianthus annuus L.)
A. A. ZALI, B.. YAZDI SAMADI (Iran) 451
Effects of certain factors on the chemical composition of sunflower seeds in connection with the evaluation of the breeding material
Y. STOYANOVA, P. IVANOV (Bulgaria) 455
Application of the tetrazolium topographical test in the sunflower seed viability determination
Zoia CSERESNYES (Romania) 461
Variation in rate of germination at low temperature as a basis for selection in sunflowers
V. GIMENO (Spain) ..........471
Etude des facteurs pénalisants de la germination des semences de tournesol
Michel ROLLIER, Pierre BURGHART (France).......... 473
Assessment of the agronomic and industrial value of sunflower varieties expressed by an overall economic index
Z.S. BAKOS (Hungary) ..........481
Evaluation and comparison of 14 varieties of sunflower (Helianthus annuus L. ) under semi-arid conditions
Bahman EHDAIE (Iran)..........485