![]() Grauke LJ, Mendoza-Herrera MA, Loopstra C, Thomspon TE (2006) Microsatellite markers for verifying parentage of pecans. Grauke LJ, Storey J, Thompson TE, Wood B (2003b) Leaf structure and nutrient content varies in native pecan populations. Grauke LJ, Iqbal MJ, Reddy AS, Thompson TE (2003a) Developing microsatellite DNA markers in pecan. Grauke LJ, Price HJ, Johnston JS (2001) Genome size of pecan as determined by flow cytometry. Grauke LJ, Thompson TE, Marquard RD (1995) Evaluation of pecan germplasm collections and designation of a core subset. Grauke LJ, Starr JL (2014) Phenotypic screening of pecan seedling rootstocks in search of nematode resistance. Grauke LJ (2010) Pecan seed stock selection-regional implications. Springer Berlin Heidelberg, Berlin, pp 283–293 In: Hewitt GM, Johnston AWB, Young JPW (eds) Molecular techniques in taxonomy. USDA Yearbook of Agri, pp 827–889ĭodds KG, McEwan JC, Brauning R, Anderson RM, van Stijn TC, Kristjansson T, Clarke SM (2015) Construction of relatedness matrices using genotyping-by-sequencing data. Ĭonner PJ, Wood BW (2001) Identification of pecan cultivars and their genetic relatedness as determined by randomly amplified polymorphic DNA analysis. Texas Department of Agriculture Bulletin 111:1–239Ĭohen JI, Williams JT, Plucknett DL, Shands H (1991) Ex situ conservation of plant genetic resources: global development and environmental concerns. Texas Department of Agriculture Bulletin 81:1–218īurkett JH (1932) The pecan in Texas. Proc Am Soc Hortic Sci 58:386–404īrooks RM, Olmo HP (1971) Register of new fruit and nut varieties. īrooks RM, Olmo HP (1951) Register of new fruit and nut varieties. īock CH, Grauke LJ, Conner P, Burrell SL, Hotchkiss MW, Boykin D, Wood BW (2016) Scab susceptibility of a provenance collection of pecan in three different seasons in the southeastern USA. īilton TP, Schofield MR, Black MA, Chagne D, Wilcox PL, Dodds KG (2018b) Accounting for errors in low coverage high-throughput sequencing data when constructing genetic maps using biparental outcrossed populations. īilton TP, McEwan JC, Clarke SM, Brauning R, van Stijn TC, Rowe SJ, Dodds KG (2018a) Linkage disequilibrium estimation in low coverage high-throughput sequencing data. īemmels JB, Dick CW (2018) Genomic evidence of a widespread southern distribution during the last glacial maximum for two eastern North American hickory species. (05)80360-2īeedanagari SR, Dove SK, Wood BW, Conner PJ (2005) A first linkage map of pecan cultivars based on RAPD and AFLP markers. Accessed 10 Sept 2018Īltschul SF, Gish W, Miller W, Myers EW, Lipman DJ (1990) Basic local alignment search tool. R package version 0.0.3 initially funded by Google Summer of Code. This should reduce breeding time by facilitating more informed and efficient selection of parents and progeny.Īlmeida A, Loy A, Hofman H (2017) qqplotr: quantile-quantile plot extensions for ‘ggplot2’. The information, techniques, and resources developed will benefit the pecan community by improving the ability to characterize germplasm and use marker data for marker-assisted breeding. A genome-wide association study (GWAS) was performed to discover 17 SNPs from a contiguous region significantly associated with the expression of the simply inherited trait controlling flowering type (dichogamy). Matrices were developed to facilitate evaluation of pedigree relationships between cultivars. Native accessions show strong genetic relationships by geographic region of origin. SNPs were used to develop genomic profiles to confirm, refute, or inform questions of cultivar origin. We implemented a genotyping-by-sequencing (GBS) technique to discover 87,446 informative single nucleotide polymorphisms (SNPs) throughout the pecan genome. A diverse panel of 108 cultivars and accessions from the National Collection of Genetic Resources for Pecans and Hickories (NCGR- Carya) was selected to represent regionally adapted native pecans, controlled cross progeny and their parents, selected wild relative species, and interspecific hybrids between those species and pecans. ![]() In order to better understand cultivar characteristics, appreciate regional adaptation, and improve selection in pecan breeding programs, improved genomic tools that are cost-effective and capable of high-throughput screening are necessary. Pecan ( Carya illinoinensis) is an outcrossing, highly heterozygous, and slow-to-mature tree native to North America.
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