Construction of a genetic linkage map and identification of molecular markers in peach rootstocks for response to peach tree short life syndrome

Abstract

Peach tree short life (PTSL) is a devastating disease syndrome of peach [Prunus persica (L.) Batsch] caused by multiple factors; the molecular biology of its tolerance/ susceptibility is unknown. The difficulty of studying PTSL is that tree survival or death is not obvious until 3 to 5 years after planting when the symptoms of PTSL first appear.

QTL mapping for brown rot (Monilinia fructigena) resistance in an intraspecific peach (Prunus persica L. Batsch) F1 progeny

“…In Prunus, the discovery of such molecular markers has been achieved through quantitative trait locus (QTL) mapping on populations derived from biparental crosses. For example, molecular markers have been associated with heritable fruit quality (Quilot et al 2004;Dirlewanger et al 2007;Zhang et al 2009;Eduardo et al 2010b;Eduardo et al 2012) and disease resistance traits (Foulongne et al 2003;Dirlewanger et al 2004a;Blenda et al 2007;Marandel et al 2009). The availability of thousands of molecular markers (Jung et al 2008) has allowed the construction of multiple genetic maps and the development of synteny studies (Dirlewanger et al 2004b;Illa et al 2009).…”

“…Illa et al (2009) suggested that crosses involving similar genomes show higher recombination rates than interspecific crosses, as the case of T×E. Other peach intraspecific maps Blenda et al 2007;Dirlewanger et al 2007) cover more extensive genetic distances, compared with T×E Prunus reference map because of the higher number of markers and individuals used. Improvement of coverage and marker density could be achieved by increasing marker number.…”

Genetic dissection of aroma volatile compounds from the essential oil of peach fruit: QTL analysis and identification of candidate genes using dense SNP maps

“…Because of the high degree of transferability of molecular markers among Rosaceae (Gasic et al 2009), peach breeding programs can be facilitated by combining desirable alleles from different accessions or other Prunus species (Dirlewanger et al 2004a). Linkage maps from peach varietal crosses have been developed (Dirlewanger et al 1998;Lu et al 1998;Sosinski et al 1998;Yamamoto et al 2001;Gillen and Bliss 2005;Blenda et al 2007;Eduardo et al 2011), along with maps deriving from crosses between almond, peach, apricot, cherry, Prunus davidiana, Prunus cerasifera, and Prunus ferganensis (Dirlewanger et al 1996(Dirlewanger et al , 2004bDettori et al 2001;Aranzana et al 2003;Foulongne et al 2003a). Moreover, in these species, the results of several QTL studies have been reported Dirlewanger et al 1999;Quarta et al 2000;Etienne et al 2002;Foulongne et al 2003b;Quilot et al 2004;Ogundiwin et al 2009;Eduardo et al 2011).…”

Construction of a molecular genetic map for hawthorn based on SRAP markers

“…But since Hemmat et al [1] proposed the concept of 'double pseudo-testcross' and applied it on apple genetic mapping for the first time, the construction of molecular genetic map of fruit trees has made considerable progress. In recent years, molecular genetic maps have been successfully constructed for most fruit trees, such as apple, [2À4] pear, [5] tangerine, [6] cherry, [7] banana, [8] olive, [9] papaya, [10] peach, [11] lychee [12] and longan. [13] Hawthorn (Crataegus pinnatifida Bge.)…”