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Wanmei Jin, Qiang Zhang, Sunzhong Liu, Qinping Wei, Wanmei Jin, Zongming Cheng, Xiaohui Xue, and Tingzhen Yang

( Benora et al., 2008 ; Cantini et al., 2008 ; Wang et al., 2011 ). SSR marker technology is an ideal molecular tool for analysis of genetic diversity because of its stability, transferability, ease of performance, and its locus richness ( Benora et al

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Xinwang Wang, Phillip A. Wadl, Cecil Pounders, Robert N. Trigiano, Raul I. Cabrera, Brian E. Scheffler, Margaret Pooler, and Timothy A. Rinehart

single population, localized to one island in Japan. Therefore, most crapemyrtle breeding programs seek new genetic combinations by crossing existing cultivars to create new combinations of ornamental traits. Genetic diversity estimates are critical for

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Shanshan Cao, Stephen Stringer, Gunawati Gunawan, Cecilia McGregor, and Patrick J. Conner

identify cultivars, verify pedigrees, and study genetic diversity in many clonally propagated crops, including bunch grape ( Dangl et al., 2001 ; Franks et al., 2002 ; This et al., 2006 ), blackberry [ Rubus subgenus Rubus sp. ( Zurn et al., 2018

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Jana Murovec

genetic studies have been mainly focused on interspecific diversity within the genus Cucurbita or genetic diversity among C. pepo subspecies with an emphasis on other cultivar groups ( Ferriol et al., 2003 ; Formisano et al., 2012 ; Gong et al., 2008

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Xiuli Lv, Yuan Guan, Jian Wang, Yanwei Zhou, Qunlu Liu, and Zequn Yu

there are abundant morphological variations among different populations, and the content of the a.i. (mainly bergenin and arbutin) is also significantly different. Wang et al. (2012 ) found rich genetic diversity and a high degree of genetic

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Xinyi Zhang, Li Liao, Zhiyong Wang, Changjun Bai, and Jianxiu Liu

used in lawns, sports fields, and shaded turf ( Zheng et al., 2005 ). The development and application of DNA-based molecular markers has revolutionized the study of genetic diversity ( Kalendar et al., 2011 ). DNA-based molecular markers are often

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Lav K. Yadav, Edward V. McAssey, and H. Dayton Wilde

Pentanthera , suggesting that they are a closely related group. Low genetic diversity among section Pentanthera species was further observed in a study with several hundred amplified fragment length polymorphism (AFLP) markers ( Chappell et al., 2008 ). In

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Zhanao Deng, Fahrettin Goktepe, Brent K. Harbaugh, and Jinguo Hu

cultivars accounted for >95% of the acreage used in tuber production ( Bell et al., 1998 ; Deng et al., 2005c ). As a result, there is increasing concern over the loss of genetic diversity in caladium via loss of cultivars. Similar concerns have been raised

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Paolo Boccacci, Roberto Botta, and Mercè Rovira

germplasm, efforts have been made on a worldwide scale to collect and preserve genetic diversity. In Tarragona, the diverse local hazelnut germplasm was investigated by Tasias Valls (1975) , who assigned cultivars to three groups: I) one main cultivar

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David M. Czarnecki II, Madhugiri Nageswara Rao, Jeffrey G. Norcini, Frederick G. Gmitter Jr, and Zhanao Deng

ecotype or source-identified seeds) are more genetically and phenotypically diverse than accessions of that species that have been subjected to a selection process ( Hilker and Jurgenson, 2003 ). Broader genetic diversity estimates of ecotypes will