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P-78 Y. Sharafi* and M. Karimi Genetic diversity in Maragheh grapevines pollen traits Islamic Azad University-Maragheh Branch, Maragheh, Iran *Corresponding author: yavarsharafi@yahoo.com The grapevine (Vitis vinifera, L) is cultured widely in Maragheh making it one of the most important commercial fruit crops. Most of the cultivars are used as rasin, juice and fresh fruits crops. However, pollination is the main factor affecting fruit set, furthermore, knowledge about pollen traits of cultivars is necessary to plan the breeding programs. This study accomplished to investigate pollen traits of the main grape cultivars/ genotypes planted in Maragheh, for identifying genetic diversity of their pollens to use in the future different breeding programs. Pollens of 10 cultivars/genotypes gathered and cultured in the in-vitro medium contained Sucrose, Boric acid and Agar. Experimental design was completely randomized with 10 treatments and 4 repeats and data analyzed with SAS software. Main pollen traits are important in breeding programs, were studied by light microscope weekly in 10 weeks including pollen viability, longevity, germination percentage and tube growth. Results showed significant differences among all of the studied cultivars/genotypes and cultivars clustered based on studied pollen traits for using in the different breeding programs. 159 
P-79 Studies on an excellent, early-maturing bud sport of ‘Kyoho’ J. Wu 1 , L. Wei* 1 , L. Jin 2 , J. Cheng 1 1 Institute of Horticulture, Zhejiang Academy of Agricultural Sciences, Hangzhou, Zhejiang, China; 2 Lianyu Institute of Grape Science, Leqing, Zhejiang, China *Corresponding author: weilingzhu0409@126.com The ‘Kyoho’ grape is a European-American hybrid cultivar with strong disease resistance and wide adaptability. Fortunately, we found an excellent bud mutation of ‘Kyoho’ from orchard by selection. The bud mutation matured seven days earlier than ‘Kyoho’ in phenology for five consecutive years. The berry weight averaged 12-15 g. The berry size and the content of soluble sugar, pulp firmness, bearing pull force were also improved compared to those of ‘Kyoho’. Using the bud mutation as scion, the appropriate rootstocks were determined from those widely used in the south of China. To evaluate the genetic relationship between the bud mutation and its maternal parent ‘Kyoho’, 42 grapevine simple sequence repeat (SSR) markers were used to amplify DNA of ‘Kyoho’ and its bud mutation. These microsatellites are highly polymorphic and have been considered suitable for assessing variation among grapevine collections. The results showed the genetic similarity from these SSR markers is 97.6% and a pair of SSR primers VrZAG67 can be used to distinguish bud mutation from ‘Kyoho’. 160 
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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
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
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: P-77 Morphological and molecular id
Page 161 and 162: P-81 Effectiveness of different cul
Page 163 and 164: P-83 Some early maturing table grap
Page 165 and 166: P-85 New triploid seedless table gr
Page 167 and 168: P-87 Grape breeding and viticulture
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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