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13th ISC, Pise, Italy, 1992 Vol.1

SESSION AGRONOMY
Main Address
Modern aspects of sunflower cultivation techniques
Bonari E.. Vannozzi G.P., Benvenuti A., Baldini M. ........... 3
Scientific Contributions
Meliferous value of sunflower hybrids (Helianthus annuus L.) in Romania
Ilie Balana, Alex. Viorel Vranceanu, Sorin Dan Craiciu.............52
Sunflower requirement for water in the chernozam zone of Yugoslavia
Bosnjak Dj., Marinkovic R. ..................................... 57
Sunflower (Helianthus annuus L.) in space : seeds exposed during 1984-1990 to space radiation aboard the NASA long duration exposure facility
Brigham R.D. ..................................... 62
Flaming for weed control in sunflower (Helianthus annuus L.) : results of a four-year research
Casini P., Calamai P., Vecchio V……. 64
A dynamic simulation model for dryland sunflower
Chapman S.C., Meinke H., Hammer G.L. ....................... 74
Yield physiology of short-statured sunflower
Connor D.J. ... 80
Effects on the productive response of the sunflower to different preparation times of the seed bed and to chemical weed control 
D'Alessandro F., Bacchi M, Zora D,................... 87
Evaluation of selective herbicidal mixtures for the sunflower
D'Alessandro F., Zora D................ 93
Herbicide selectivity in relation to the different application times in sunflower pre-emergence
D'Alessandro F., Zora D. ... 100
Effects of climate on the reponse of sunflower (Helianthus annuus L.) in relation to sowing time in a southern environment of Italy
D'Amafo A, Giordano I............................. 106
B deficiency symptoms evaluation. The most accurate method to decide sunflower B fertilization 
Diggs C.A., Ratto de Miguez M.S., Shorrocks V.M. .............. 113
Influence of sowing date on quality of sunflower seed and oil
Etelka Dimic, Turkulov J., Karlovic Dj.,Sotin M......... 119
Competition effects among cultivars differing in cycle in sunflower trials
Dominguez J:, Perea F., Fernandez-Martinez J. ... 125
Double cropping irrigated sunflower in the Vojvodina province 
Dragovic S., Livija Maksimovic, Panic Z., Skoric ..... 131
Influence of row spacing on yield characters of sunflower cultivars 
Esendal E., Kandemir N. ............................ 137
Potentialities and limitations of sunflower (Helianthus annuus L.) in Venezuela
Fernandez H., Rincon C.A. ....................... 146
Relay intercropping systems of corn into sunflower 
Regis Ferreira da Silva P., B. da Rocha A., M. Wollmann L .............. 153
Effects on yield, net photosynthesis, and leaf duration of a well-defined water stress applied on sunflower from beginning flowering to maturity
Flenet F., Nicco C., Piquemal M., Bouniols A........... 159
Incidence, growth and herbicide control of broomrape (Orobanche cernua) in sunflower : a review
Garcia-Torres L, Castejon-Munoz M., Lopez-Granados F. ........... 166
Response to N fertilization of winter seeded sunflower in southern Spain
Gonzalez Fernandez P., Ordonez-Femandez R....... 172
Effects of plant geometry and plant population on some yield characters and water use in sunflower (Helianthus annuus L.)
Grossi N., Baldini M, Megale P., Vannozzi G.P. ....... 178
Status of sunflower research in Bangladesh
Mirza Md. Sirazul Hoque, Hamizuddin Ahmed ...... 187
Performance of early maturing sunflower hybrids under delayed planting conditions in North Dakota, USA
Hussain S. Wajid, Albert A......... 195
A computer based decision aid for sunflower, sorghum and wheat
Jamleson A, Hammer G.L., Meinke H. .............. 202
Distribution of nitrogen content at different growing stages of sunflower
Jasso de Rodriguez D., Guzman-Medrano E, Angulo-Sanchez J.L.,Rodriguez-Garcia R., Morones-Beza R. ............208
Water requirement and yield response of catch sunflower (Helianthus annuus L.) crop in Southern Italy
Lanza F., Losavio N., Rinaldi M., Vonella A.V. ... 214
Sunflower crop management in France : some technical and economic answers
Leterme P., Lancesseur E., Wagner D.......... 221
Analysis of series of varieties trials : a new approach
Leterme P., Messean A., Riboud B. ..... 227
Evaluation of growth characteristic and production potential for early mature oilseed sunflower
Liang Guo Zhan, Cui Liang Ji .................... 235
Evaluation of a method for calculating dry matter accumulation in sunflower crop 
Losavio N., Mastrorilli M.,.Rana G. ... 240
Effect of fertilisation on the N utilisation of sunflowers
Loubser H.L., Human J.J.................... 246 
Impact of skill in climate forecasting on tactical management of dryland sunflower. A simulation study
Meinke H., Stone R. ............ 253
Factors affecting the dehulling ability in sunflower
Merrien A., Dominguez J., Vannozzi G.P., Baldini M, Champolivier L., Carré P. 260
Radiation use efficiency of sunflower genotypes
Orgaz F., Villalobos F.J., Gimenez C., Fereres E.............. 268
Seed development process in relation to physical growth and quality character in sunflower (Helianthus annuus L.)
Rana M.A., AH GM., Shaf/ullah.............. 274
Sunflower (Helianthus annuus L.) in two-year rotations with durum wheat, with or without catch soybean
Rinaldi M.,Di Bari V., De Giorgio D., Malorana M., Rizzo V., Carlone G. ........... 284
Growth analysis of sunflower (Helianthus annuus L.) in two-year rotations RinaldiM., Vonella A V., Santamaria P., Ventrella D., Rizzo V. ...................... 293
Dry matter and oil partitioning in sunflower achenes as a function of cultivars and plant density
RIzzardi M.A., Da Silva , P.R.F., DaRochaA.B. .......... 300
Sunflower production response in relation to water availability
Salera E. .......................... 306
Sunflower production response to different irrigation regimes in cath-crop growing
Salera E. ................................... 325
Influence of sowing period on production response of sunflower in catch-crop growing
Safera E. ........................... 344
Source, rate and method of application of nitrogen on growth, yield and chemical composition of winter sunflower
Samui R.C, Singh R.K., Dasmahapatra AM .............. 360
Correlation between some yield factors in sunflower (Helianthus annuus L.)
Samo R., Leto C., Carrubba A, Cibella R. ....... 366
Effects of different sowing times on sunflower
Sarno R., Leto C., Cibella R., Carrubba A. .............. 390
Rooting depth and water use of different sunflower phenotypes 
Schneiter A.A., Johnson B.L., Henderson T.L. .............. 410
The potential of winter/spring sowings of sunflower as oil-seed crop in Southern Brazil 
Silveira JM, Costa J.M, Carraro I.M., Wobeto C., Moreira Filho P., Castiglioni V.B.R, .......... 416
Sunflower response to soil compaction
Sin G.H., lonita S.T.,Jerboa M, Petcu G.H................... 422
Productivity of winter sowing sunflower (Helianthus annuus L.) in a Mediterranean climate with cold winter
Vesperinas E.S., Jaramillo G.Y., Fernandez R.C., Vivas F.M.................... 428
Influence of pluriannual weather conditions on parameters of sunflower growth modeling in South Western France
Texier V., Blanchet R., Bouniols A. ................................ 434
Influence of storage conditions in sunflower « seed » dormancy and longevity
Goncalves Ungaro M.R., A. Maeda J. ...... 441
Relation between planting and harvest dates and sunflower “seed” dormancy
Goncalves Ungaro M.R., A. Maeda J., R. Dos Santos R. …..447
Oilcrop-sun : a growth and development simulation model of the sunflower (Helianthus annuus L.) crop
Villalobos F.J., Hall A.J., Ritchie J.T. ..................... 453
Effects of shading on dry matter partitioning and yield of field-grown sunflower 
Villalobos F.J., SorianoA., Ruz C., Fereres E. ................ 459
The contributions of plant number, spatial distribution and individual plant vigour to grain yield in uneven plant stands of sunflower
Wade L.J., Meinke H.B............... 465
Sunflower adaptation in Northeast Brazil 
Zaffaroni E, Marcos E, Silva V., Cicero A. Araujo........... 471

SESSION PHYSIOLOGY
Main Address

Some aspects of sunflower crop physiology 
Merrien A. ................................481

Scientific Contributions

Effects of chilling stress onleaf photosynthesis of sunflowers
Angelini L,G., Belioni P., Ceccarini L ............. 499
Sunflower seed 11S globulin (Helianthinin) as genetic marker
Anisimova I.N................................. 506
Drought resistance in sunflower. Factors affecting yield and their variability under stress
Baldini M, Cecconi F., Cecchi A., Martorana F., Vannozzi. G.P., Benvenuti A..... 513
Drought resistance in a wild species (Helianthus argophyllus T&G) with respect to cultivated sunflowers
Baldini M., Cecconi F., Megale P., Vannozzi G.P. .......... 522
A factor analysis of plant variables related to yield in sunflower under water stress conditions 
Barron J.E. .......... 531
Anthesis in sunflower (Helianthus annuus L.)
Cadeac F., Beauguillaume A.................. 539
Study of biochemical markers of drought tolerance in sunflower (Helianthus annuus L.) by two-dimensional electro-phoresis. First results.
Girardeau C., Merrien A., Quinsac A. ....... 545
Variations of the light extinction coefficient and sunlit leaf area in sunflower as affected by water availability
Guiducci M. ..... 552
Foliar application of cytokinins increased reproductive growth efficiency and yield of the sunflower
Hernandez L.F. ....................... 559
 Incorporation of 14C labelled metabolites into the developing sunflower capitulum
Hernandez L.F., Palmer J.H.............. 504
Mechanisms of drought resistance of Helianthus annuus and H. argophyllus
Martin M., Molfetta P., Vannozzi G,, Zerbi G....... 571
Changes in Rubisco activity and net photosynthesis under several crop managements applied to sunflower (Helianthus annuus L., cv. Topflor)
Martinez E., Bouniols A., Cavalié G., Blanchet Piquemal G…………….587
Applications of ethephon on sunflower to prevent lodging
Merrien A., Champolivier L. ................593
ABA content and some key enzyme activities in response to water stress 
Nicco C., Flenet F., Piquemal M, Latche J.-C., Cavalie G. 597
Effect of anti-transpirant sprays on water relations, growth and yield of irrigated sunflower in a semi-arid environment
Parameswaran M...................................603
Influence of N, P, K, nutrition on sunflower plants. I. Chlorophyll fluorescence in relation to photosynthesis.
Plesnicar M, Pankovic D., Sakad Z., Cupina T., Jocic B......................609
Influence of N, P, K, nutrition on sunflower plants. II. Transport and accumulation of assimilates in the ageing leaves.
Sakac. Z., Cupina T., Plesnicar M., Pankovic D., Jocic B. .....615
Influence of N, P, K, nutrition on sunflower plants. III.
Accumulation and transformation of sugars, proteins and oil in developing seeds.

Cupina T. , Sakac Z., Plesnicar M., Pankovic D., Jocic B., Navalusic J.........622
Effects of natural ageing on protein composition in sunflower (Helianthus annuus L.)
Reuzeau C., Cavalie G. ........ 628
A non-destructive method to determine floral initiation in sunflower
Sadras V.O., Villalobos F.J. ................................ 635
Quantification of leaf responses to soil water content : comparative sensitivity of leaf expansion rate and leaf conductance in field-grown sunflower
Sadras V.O., Villalobos F.J.,Fereres E., Wolfe D. .....640
Physiological reaction of sunflower hybrids to different plant densities
Terbea M., V. Vranceanu A., Spataru L. ....... 645Pre-anthesis partitioning of dry matter in sunflower crops
Trapani N., Villalobos F., Hall A.J............ 651
Photosynthetic recovery from drought in relation to stress effects on leaf osmotic potential and nitrogen content
Wolfe D.W., Sadras V.O., Villalobos P.J., Fereres E. .......... 658

SESSION PATHOLOGY & ENTOMOLOGY
Main Address

Managing the major sunflower diseases : from cultural practices to breeding for resistance
Sackston W.E. .............667

Scientific Contributions
Alternaria helianthicola RAO and RAJ : a new parasite on sunflower in Yugoslavia
Acimovic M., Lacok N. ............................ 700
Sunflower inoculation by some parasitic fungi 
Acimovic M. .............712
Effect of various charcoal rot isolates in the development of charcoal rot disease in exotic sunflower inbred lines. 
Maqbool Ahmad, Syed Sadaqat Mehdi............... 717
Epidemiology of grey mould (caused by Botrytis cinerea) kon sunflower in the UK
Church V.J., Fitt B.D.L., McCartney H.A. .... 726
Latest results of the chemical control against Diaporthe helianthi Munt.Cvet. (Phomopsis helianthi)
Deyerchere J., Penaud A. ...732
Anatomical comparisons among Helianthus species differing in resistance to Phomopsis helianthi
Duletic Sonja, Mihaljcevic M, Vukojevic J.….. 739
A new potential for fight against sunflower stem diseases
Josef Frank...........744
Orobanque in sunflower in Spain 
Gonzalez-Carrascosa R......746
Studies referring to methods of sunflower artificial inoculation with some pathogens
Iliescu H., Ionita A., Jinga V., Csep N., Iordache E. ....750
Some aspects regarding charcoal rot (Sclerotium bataticola) attack on sunflower in Romania
Ionita A., Iliescu H., Jinga V. ...........756
Technological factors in the integrated control of sunflower diseases
Jinga V., Iliescu H., Ionita A., Csep N., Iordache E.... 761
Relation between sunflower hybrid reaction to Phomopsis and the harmfulness threshold of this disease
Jouve Ph., Teyssier P. .............................767
New virulent pathotypes of sunflower rust in Canada
Khalid Y. Rashid...........................772
Pathogenic and biological variability of Macrophomina phaseolina (Tassi) Gold. isolates in different areas of sunflower cultivation in Italy
Manici L.M., Cerato C., Caputo F. .....................779
Verification of the inhibitory effects provoked by several actinomycetes on the growth of the fungus Phomopsis helianthi and congeneric species
Muntanola-Cvetkovic M., Mitic N., Vukojevic J............. 785
Diaporthe helianthi : curative effects of Iprodione-based fungicides
Penaud A., Peres A., Regnault Y. ...............790
Sclerotinia sclerotiorum (Lib.) de Bary : a study of fungicides to control attacks on sunflower heads
Peres André, Allard L.M., Penaud Annette ..........796
Sclerotinia sclerotiorum (Lib.) de Bary : Effect of five agronomic factors on the intensity of sunflower attacks. 
Peres André, Allard L.M., Regnault Yves........802
Sclerotinia sclerotiorum (Lib.) de Bary : a study of fungicides to control attacks on sunflower floral buds. 
Peres André, Allard L.M., Regnault Yves .................808
A new bacterial rot of sunflower
Peytavin C., Pelletier C., Tourvieille Denis...........814
Factors linked to the environment and climatic conditions with the parasitation of Sclerotinia sclerotiorum (Lib.) de Bary on sunflower
Ratkos J........ 820
The combined effect of ultra-sound and fungicides on the infectedness of sunflower seeds
Ratkos J. .......... 827
Cotyledon limited infection (CLI) and leaf disk immersion (LDI) inoculation of sunflower by downy mildew (Plasmopara halstedii) 
Sackston W.E....................................840
Aspects referring to sunflower bacterial blight in Romania, a disease caused by Pseudomonas syringae PV. Helianthi
Stancescu C., Zurini I. .................849
Germination, invasion of Orobanche cernua Loefl. and its development on roots of Helianthus annuus L.
Teryokhin E.S. ............................854
Attack of sunflower terminal buds by Sclerotinia sclerotiorum, symptoms and resistance. 
Tourvieille de Labrouhe Denis, Vear Felicity, Achbani El. H. …..859
Races of Plasmopara halstedii in Central Europe and their metalaxyl sensitivity 
Viranyi F., Gulya Tom J., Masirevic S. ............865
The stroma in the fungal pathogen of sunflower Phomopsis helianthi and related species 
Vukojevic J., Muntanola-Cvetkovic M. ................869
Sunflower crops and slugs 
Ballanger Y., Champolivier L...................874
Use of synthetic plant auxin to select for insect tolerance in sunflower
Brewer G.J., Rama Raje V. .....................880
Lygaeus (=Spilosthethus) equestris L. (Het : Lygaeidae), a pest of sunflower 
Bujaki G., Horvath Z. .....................886
Habrobracon hebetor say (Hymenoptera : Braconidae), the most important parasitoid of Homoeosoma nebulellum HB.
Horvath Z., Bujaki G. ....................893