. Most of the world's cultivars are selections from local wild vegetation. Based on simple sequence repeat markers, most cultivars have been assigned to one of four major geographical groups: Central European, Black Sea, English or Spanish
infection and a lack of correlation in reaction to CBB between leaves, pods, and seeds further complicate breeding for resistance ( Arnaud-Santana et al., 1994 ). The substantial progress made in molecular marker technology for the common bean holds
-scale spatial genetic structure, mating system, or gene flow among populations in both its native and introduced ranges are of interest to foresters and ecologists. Over previous decades, microsatellites have emerged as markers of choice in such analyses because
106 POSTER SESSION (Abstr. 335–343) Breeding and Genetics–Vegetables II (Molecular Markers and Physiological Genetics)
variation using molecular markers to advance the genetic breeding of carpetgrass. Most studies of carpetgrass have focused on its genetic characteristics and resistance ( Samarakoon et al., 1990 ; Smith and Whiteman, 1983 ; Uddin et al., 2009 ; Xi et al
sequence for V. vinifera to develop additional simple sequence repeat (SSR) markers and subsequent primers for the region around the sex locus in Euvitis . By performing genotyping, screening of a bacterial artificial chromosome (BAC) library, and
characteristics ( Bara et al., 1993 ; Bonos et al., 2000 ; Murphy et al., 1997 ; Shortell et al., 2009 ) as well as by random amplified polymorphic DNA markers ( Curley and Jung, 2004 ; Huff, 2001 ; Johnson et al., 2002 ). Although currently used in many
triploid seeds ( Shimotsuma and Matsumoto, 1957 ). Still, DNA markers can be useful in quality assurance tests to confirm sufficient production of triploid seeds in isolation plots. DNA markers have been used in genetic studies and in breeding programs of
evaluation in the field on a large scale. Identification of molecular markers closely linked to EFB resistance alleles would greatly facilitate the development of new cultivars through marker-assisted selection (MAS). RAPD markers produced by the polymerase
of alleles to improve important ornamental traits; however, conventional breeding programs may not be sufficient to improve complex traits in chrysanthemum. Modern molecular breeding tools, such as molecular marker-assisted selection (MAS) breeding