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Hrvoje Rukavina, Harrison G. Hughes, and Yaling Qian

tolerance could be associated with origin of clone. Differences in freezing tolerance among cultivars and ecotypes have been found in other warm season turf species such as seashore paspalum ( Cardona et al., 1997 ; Cyril et al., 2002 ), zoysiagrass ( Dunn

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Hrvoje Rukavina and Harrison G. Hughes

origin and U.S. Department of Agriculture cold-hardiness zone. The experimental design was a factorial randomized complete block with three blocks (repetitions). Final spike number (generally reflected in increased flowering of tillers) of each clone was

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Hrvoje Rukavina, Harrison Hughes, and Randy Johnson

and frequency of repeated DNA sequences of tall fescue ( Festuca arundinacea L.) was strongly related to the latitude of clone origin ( Ceccarelli et al., 1992 ). This suggests that structural changes in DNA have enabled tall fescue adaptation to

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Meryem Ipek, Ahmet Ipek, Douglas Senalik, and Philipp W. Simon

phenotype of garlic. We evaluated 333 garlic clones from Asia, Europe, North America, or unknown geographic origins. Of these, no plants bolted in 131 clones and all plants bolted in 130 clones, so these clones were categorized as nonbolting and bolting

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Kai-Ge Zhao, Ming-Qin Zhou, Long-Qing Chen, Donglin Zhang, and Gituru Wahiti Robert

genome ( Siragusa et al., 2006 ), ISSR and RAPD data sets were combined for UPGMA cluster analysis. Eleven clusters were defined ( Fig. 1 ). The distribution pattern of the 72 clones was coherent with their geographical origins. All the clones of Nanjing

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Manuel Di Vecchi Staraz, Roberto Bandinelli, Maurizio Boselli, Patrice This, Jean-Michel Boursiquot, Valérie Laucou, Thierry Lacombe, and Didier Varès

parentage reconstruction) along with the analysis of a very large set of cultivars provided insight to the origin of ‘Sangiovese’. Clonal genetic variability, synonyms, and incorrect assignments to ‘Sangiovese’. We observed the same multilocus

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Paul R. Fantz, Dennis Carey, Tony Avent, and Jason Lattier

; stamens zygomorphic, stalked. Fruit abundant, green becoming black, 1–5 per pedicel, 6–8 mm diameter. ( L. exiliflora ). Phenology : June–August; mid-August–October, persisting through winter. Origin : Misidentified clone, an imposter ‘Big Blue’. Sources

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Charles R. Brown, David Culley, Meredith Bonierbale, and Walter Amorós

first introduced to Europe at the end of the 16th century and then experienced worldwide distribution over several centuries ( Hawkes, 1992 ). Over time, skin and flesh color outside the center of origin have been reduced to a few types that represent a

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Yuan Zhang, Chen Wang, HongZheng Ma, and SiLan Dai

. Screening genomic libraries by hybridization with microsatellite probes and sequencing the hybridized positive clones is a traditional but laborious and costly approach ( Billotte et al., 2001 ). In contrast, screening microsatellite-enriched, small

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Shawn A. Mehlenbacher

), appear to be groups of clones with similar phenotypes. Cultivars are traditionally propagated from suckers or by layerage, although grafting and in vitro culture are also possible. The local origin of important cultivars, and their limited movement from