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Zahra Noormohammadi, Mehdi Hosseini-Mazinani, Isabel Trujillo, Luis Rallo, Angjelina Belaj and Majid Sadeghizadeh

et al., 2001 ; Besnard et al., 2001 ; Mekuria et al., 1999 ; Wiesman et al., 1998 ), and amplified fragment length polymorphism ( Angiolillo et al., 1999 ) have been increasingly used to characterize and distinguish the olive cultivars. As a

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Metka Sisko, Branka Javornik, Aleksander Siftar and Anton Ivancic

pear accessions belonging to five Pyrus species (one of which was P. communis ) to evaluate their usefulness for pear characterization. Later, other authors screened more apple SSR markers for polymorphism in pears ( Hemmat et al., 2003 ; Pierantoni

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Anil Khar, Jernej Jakse and Michael J. Havey

nucleotide polymorphisms (SNPs) in ANS and DFR to assess linkages among these important morphological and molecular markers. Our results support DFR as the R locus and reveal a new locus ( L2 ) linked at 6.3 cM to ANS that conditions red bulb color in onion

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Salih Kafkas, Mustafa Özgen, Yıldız Doğan, Burcu Özcan, Sezai Ercişli and Sedat Serçe

cultivars ( Bhattacharya et al., 2005 ). Among polymerase chain reaction (PCR)-based molecular markers, amplified fragment length polymorphisms (AFLPs) are highly reproducible multilocus marker system developed by Vos et al. (1995) . This method has

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Ryan S. Donahoo and Kurt H. Lamour

diversity of Phytophthora isolates within species, including isozymes, restriction fragment length polymorphisms, random amplified polymorphic DNA markers, microsatellites, and amplified fragment length polymorphism (AFLP) markers ( Bhat and Browne, 2007

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Longzhou Liu, Youyuan Chen, Zhenghong Su, Hui Zhang and Weiming Zhu

marker-assisted selection (MAS) and map-based gene cloning of CPM-resistant genes in melon. Sequence-related amplified polymorphism (SRAP) is a simple marker detection method ( Li and Quiros, 2001 ) that has been successfully applied in several species

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John W. Scott

for the seed packet trade. Thus, considerable breeding has taken place since the late 1800s and especially since the 1930s. A well-recognized constraint to present-day breeding efforts has been the narrow gene base and subsequent lack of polymorphisms

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Naomi R. Smith, Robert N. Trigiano, Mark T. Windham, Kurt H. Lamour, Ledare S. Finley, Xinwang Wang and Timothy A. Rinehart

amplified fragment length polymorphism (AFLP) ( Vos et al., 1995 ). Amplified fragment length polymorphisms are widely used because they can be generated without prior knowledge of an organism's genome and are generally reproducible within and between

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Mariem Bouhadida, Juan P. Martín, Gennady Eremin, Jorge Pinochet, María Á. Moreno and Yolanda Gogorcena

amplify fragments of noncoding regions of cpDNA followed by digestion with restriction enzymes. Fragment length polymorphism was consequently revealed within the amplified fragments ( Demesure et al., 1996 ; El Mousadek and Petit, 1996 ; King and Ferris

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Ivan Simko and Jinguo Hu

loci and the genes of interest. However, such mapping populations sample only a small proportion of all possible alleles. Moreover, to increase marker polymorphism, one of the parental genotypes is frequently derived from a wild species (or a primitive