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P-86 Conferred vigour: loci but no logic S. Decroocq*, J.-P. Tandonnet, L. Bordenave, M. Donnart, C. Hévin, B. Douens, J-P. Robert, J- P. Petit, N. Ollat Institut des Sciences de la Vigne et du Vin, UMR 1287 Ecophysiologie et Génomique Fonctionnelle de la Vigne INRA, Université de Bordeaux 1, Université Victor Ségalen Bordeaux 2, Centre INRA de Bordeaux, Villenave d’Ornon, France *Corresponding author: stephane.decroocq@bordeaux,inra.fr Rootstocks can be used as efficient tools to control the development of grapevines and thus can improve the quality of the harvest. This phenomenon is known as conferred vigour and is not related to the own vigour of the ungrafted rootstock, therefore making it difficult to predict the conferred vigour of new rootstock varieties. In order to improve the selection efficiency and shorten the cycle of rootstock selection, we aim to identify the regions of the genome controlling own and conferred vigour of rootstocks to develop a Marker Assisted Selection program. An F1 population composed of 130 individuals issued from a cross between ‘Cabernet Sauvignon’ x ‘Riparia Gloire de Montpellier’ was evaluated for conferred rootstock vigour. The F1 population was grafted with ‘Cabernet Sauvignon’ as the scion. Four different experimental designs were used: a pot experiment with one year old plants, a pot experiment with two year old plants, a long term field experiment and a short term field experiment comparing five different scions (‘Cabernet Sauvignon’, ‘Ugni Blanc’, ‘Petit Verdot’, ‘Muscat de Hambourg’ and ‘Merlot’) grafted on the whole F1 population. In pot experiments and in the multi scion field experiment, plants were trained on a single stem. Vigour was evaluated by measuring the growth of the stem. Dry matter of the root system was also evaluated. In the long term field experiment, we measured the pruning weight and harvest weight. QTLs for induced vigour were mapped on the genetic map of the population. Common QTLs were detected between field and pot experiments. The multi scion experiment allowed us to find new QTLs which were not identified with ‘Cabernet Sauvignon’ as the scion. This adds to the complexity of this phenomenon and suggests that the interaction between the rootstock and the scion is the key to understanding conferred vigour. 167 
P-87 Grape breeding and viticulture research programe in Iran H. Mahmoudzadeh 1* , M.A. Nejatian 2 , D. Hassani 3 1 Agricultural and Natural Resource Research Center, West Azerbaijan, Iran; 2 Agricultural and Natural Resource Research Center, Qazvin, Iran; 3 Horticulture Department, Seed and Plant Improvement Institute, Karaj, Iran *Corresponding author: mahmoudzadeh_h@yahoo.com Iran is a large country with more than 320,000 ha of cultivated grapevines. Several species of the genus Vitis, such as Vitis sylvestris (in west) and V. labrusca (in north) are native to Iran. However, they have not been brought into cultivation or for breeding. Also, There are more than 800 genotypes of grapevine include commercial cultivars and wild genotypes in Iran. Now, there are 680 genotypes of them from local collections in Takestan Grapevine Research Station in Iran. The progenies from the vine adapted to the environment of that district, and the cultivar ‘Kishmesh’ were thus released. In the 6 th century, ‘Sefid bidaneh’ grapes became famous for their excellent fruit quality. However, most vinifera grapes could be cultivated successfully, but not in north of Iran, because of the spread of diseases. Until 2007 there aren’t any identified programs for viticulture and breeding research on grape and generally, researchers worked based on regional requirements. Since, precise research program is vital for viticulture in Iran. It was decided to prepare based on 20 years future a document of Iranian agriculture development strategies. The organization of agriculture research, education and extension was responsible to do that. A team of all researchers and experts of viticulture work together for perpetration of this program. The main objects of this program are extension of cultural area, quality and quantity improvement of table grape and raisin. The program includes four sections: 1. At first stage, viticulture problems and limitations were detected in all regions of Iran and analyzed. 2. In second stage, a tree of problems was drawn. Tree drawing was based on situation and determination of problems importance that influenced instability of grapevine production in Iran. 3. Gathering of information were done from results of last research in Iran and other countries to solving problems in 3rd stages of program. 4. Tree of aims of program was drawn. This tree showed necessary works that may be done to solving problems of viticulture improvement in Iran. Based on tree of aims team tries to provide a program that includes in research requirements and time schedule of works. 168 
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Date Time Session Topic Sunday Augu
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Monday August 2, 2010 Opening Plena
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Topic: Adaptation to soils and clim
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Tuesday August 3, 2010 Oral Session
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Poster Session 2 1:30 PM-3:00 PM Po
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P-105 Pathogen responsiveness and v
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Table of Contents Keynote Presentat
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K-2 Progress in grapevine breeding
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K-4 Genetics and Genomics of Grapev
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O-2 Additional homologs of the Ren1
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O-4 Y. Xu and Y.Wang* Introduction
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O-5 Identification of an R2R3 MYB t
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O-7 Sequencing of the phylloxera re
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O-9 Dissection of defense pathways
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O-11 Recent trends and technologies
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O-13 Brazilian Grape Breeding Progr
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O-15 Development of rootstocks for
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O-17 L. Wang* 1 , S. Li 1, 2 , P. F
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O-19 Integrated analysis of transcr
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O-20 Deciphering the chromosome str
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O-22 Identification of table grapes
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O-24 Metagenomic sequencing as a to
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O-26 Regulation of bud fruitfulness
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O-28 Haplotype structure and cluste
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O-30 Annette Nassuth Function of Vi
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10 to 25% of the chlorotic symptoms
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O-34 Cloning and characterization o
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O-36 New insight into the genetics
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O-38 Co-Localization of QTLs for Se
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O-40 Quantitative analysis of textu
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O-42 Transcriptional changes in res
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O-44 The Turkish grape (Vitis vinif
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Association genetics in relation wi
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O-47 Intravarietal variability of C
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O-49 Molecular survey of Georgian t
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O-51 Marker-assisted breeding: Iden
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O-53 An Integrated approach to stud
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O-55 Characteristics of promising m
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P-2 PMEI and SPY: Two genes with po
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P-4 Gene-assisted selection for tab
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P-6 Polyphenolic potential of the r
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P-8 Monoterpene levels in different
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P-10 Usefulness of the SCC8 scar ma
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P-12 The onset of berry ripening is
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P-14 Morphological characteristics
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P-16 A genetic analysis of berry qu
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P-18 Use of molecular markers for s
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P-20 Characterization of key compon
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P-22 Expression of early light-indu
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P-24 The development of molecular m
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P-26 Identification of ABA inducibl
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P-28 In vitro selection of HYP tole
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P-30 In silico SNP detection for ge
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P-32 Vitis vinifera genome annotati
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P-34 Genome-wide identification of
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P-36 Looking for genetic polymorphi
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P-38 Characterization of a new horm
Page 115 and 116: P-40 Towards a characterization of
Page 117 and 118: the overall identified polymorphism
Page 119 and 120: P-43 Proteomic characterization of
Page 121 and 122: P-45 Preliminary observations on th
Page 123 and 124: grapevine which will eventually be
Page 125 and 126: P-48 ‘Cioutat’: a somatic varia
Page 127 and 128: P-50 Estimation of protein spot var
Page 129 and 130: glucosyltransferase, anthocyanidin
Page 131 and 132: P-53 Marker-free transgenic grapevi
Page 133 and 134: P-55 Agrobacterium rhizogenes-media
Page 135 and 136: P-57 Phenotypic evaluation of ‘Th
Page 137 and 138: P-59 Phenotypic divergence among gr
Page 139 and 140: P-61 Grepevine variety determinatio
Page 141 and 142: agricultural context. This network
Page 143 and 144: P-64 Genetic structure in a large r
Page 145 and 146: P-66 Analysis of grape rootstocks b
Page 147 and 148: P-68 Italian wild grapevine: a stat
Page 149 and 150: Rebula-Robola group were genotyped
Page 151 and 152: P-71 Viticultural performance of so
Page 153 and 154: P-73    Molecular characterizat
Page 155 and 156: P-75 Variation of berry polyphenoli
Page 157 and 158: P-77 Morphological and molecular id
Page 159 and 160: P-79 Studies on an excellent, early
Page 161 and 162: P-81 Effectiveness of different cul
Page 163 and 164: P-83 Some early maturing table grap
Page 165: P-85 New triploid seedless table gr
Page 169 and 170: P-89 The usefulness of allotetraplo
Page 171 and 172: P-91 Drying rate of fresh berries f
Page 173 and 174: P-93 Development of table and raisi
Page 175 and 176: P-95 Reaction of grape rootstocks t
Page 177 and 178: P-97 Genetic analysis of the resist
Page 179 and 180: P-99 Berry cracking caused powdery
Page 181 and 182: P-101 Elicitation of grapevine defe
Page 183 and 184: P-103 The biological characteristic
Page 185 and 186: P-105 Pathogen responsiveness and v
Page 187 and 188: P-107 Screening grape hybrid famili
Page 189 and 190: P-109 Characterization of an ankyri
Page 191 and 192: P-112 Evaluation of grapevine germp
Page 193 and 194: P-114 Evaluation of four new rootst
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