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P-23 Changes of contents and antioxidant activities of phenolic compounds during gibberellininduced development of seedless muscat grapevine T. Shu-fen* Tianjin Research Institute of Forestry and Pomology, Tianjin, China Corresponding author: tianshufen@263.net Gibberellic acid is a plant growth regulator commonly used for increasing the productivity of seedless fruit. However, little is known about the effect of gibberellic acid on phenolic compounds in grapevine. In the present work, the effect of GA 3 application on contents and antioxidant activities of phenolic compounds in different tissues of Muscat grapevine (Vitis vinifera L. ’Muscat’) was investigated. 100 mg L -1 GA 3 application could successfully induce seedless grape berries, enhance berry size, and accelerate the development of berries, resulting in earlier ripening of the seedless berry. Contents of total phenolics and total flavonoids, and antioxidant activities in leaf, stem and tentril obviously increased, while remarkably decreased in berry peel and pulp after GA 3 application. In addition, the grapevine leaf, stem, tendril and peel extracts were shown to contain high amounts of phenolics and significant antioxidant activities. Thus, these findings indicate that GA 3 application causes different effects on phenolic compounds and antioxidant activities, depending on the type of grapevine tissue. 99 
P-24 The development of molecular markers for Vitis riparia to use in interspecific breeding for freezing tolerance Annette Nassuth Department of Molecular and Cellular Biology, University of Guelph, Guelph, Ontario, Canada Corresponding author: anassuth@uoguelph.ca One approach to incorporate freezing tolerance in a V. vinifera background is to cross vinifera grapes with the wild grape V. riparia. Ideally, one would obtain the genetic basis for freezing tolerance from the riparia but otherwise have minimal riparia genetics in the selected progeny. To speed up this process it would be desirable to have (1) a method that can analyze the (relative) freezing tolerance on young (
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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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Page 49 and 50: O-30 Annette Nassuth Function of Vi
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Page 53 and 54: O-34 Cloning and characterization o
Page 55 and 56: O-36 New insight into the genetics
Page 57 and 58: O-38 Co-Localization of QTLs for Se
Page 59 and 60: O-40 Quantitative analysis of textu
Page 61 and 62: O-42 Transcriptional changes in res
Page 63 and 64: O-44 The Turkish grape (Vitis vinif
Page 65 and 66: Association genetics in relation wi
Page 67 and 68: O-47 Intravarietal variability of C
Page 69 and 70: O-49 Molecular survey of Georgian t
Page 71 and 72: O-51 Marker-assisted breeding: Iden
Page 73 and 74: O-53 An Integrated approach to stud
Page 75 and 76: O-55 Characteristics of promising m
Page 77 and 78: P-2 PMEI and SPY: Two genes with po
Page 79 and 80: P-4 Gene-assisted selection for tab
Page 81 and 82: P-6 Polyphenolic potential of the r
Page 83 and 84: P-8 Monoterpene levels in different
Page 85 and 86: P-10 Usefulness of the SCC8 scar ma
Page 87 and 88: P-12 The onset of berry ripening is
Page 89 and 90: P-14 Morphological characteristics
Page 91 and 92: P-16 A genetic analysis of berry qu
Page 93 and 94: P-18 Use of molecular markers for s
Page 95 and 96: P-20 Characterization of key compon
Page 97: P-22 Expression of early light-indu
Page 101 and 102: P-26 Identification of ABA inducibl
Page 103 and 104: P-28 In vitro selection of HYP tole
Page 105 and 106: P-30 In silico SNP detection for ge
Page 107 and 108: P-32 Vitis vinifera genome annotati
Page 109 and 110: P-34 Genome-wide identification of
Page 111 and 112: P-36 Looking for genetic polymorphi
Page 113 and 114: 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
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Rebula-Robola group were genotyped
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P-71 Viticultural performance of so
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P-73    Molecular characterizat
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P-75 Variation of berry polyphenoli
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P-77 Morphological and molecular id
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P-79 Studies on an excellent, early
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P-81 Effectiveness of different cul
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P-83 Some early maturing table grap
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P-85 New triploid seedless table gr
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P-87 Grape breeding and viticulture
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P-89 The usefulness of allotetraplo
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P-91 Drying rate of fresh berries f
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P-93 Development of table and raisi
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P-95 Reaction of grape rootstocks t
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P-97 Genetic analysis of the resist
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P-99 Berry cracking caused powdery
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P-101 Elicitation of grapevine defe
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P-103 The biological characteristic
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P-105 Pathogen responsiveness and v
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P-107 Screening grape hybrid famili
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P-109 Characterization of an ankyri
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P-112 Evaluation of grapevine germp
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P-114 Evaluation of four new rootst
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