Black raspberry fruit composition over two years from seedling populations grown at four US geographic locations

Perkins-Veazie, P.; Ma, Guoying; Fernandez, Gina E.; Bradish, C.M.; Bushakra, Jill M.; Bassil, Nahla V.; Weber, Courtney; Scheerens, Joseph C.; Robbins, Louise E.; Finn, Chad E.; Dossett, Michael

doi:10.17660/actahortic.2016.1133.52

Cited by 2 publications

(2 citation statements)

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“…Fruit were determined to be ripe once they were fully colored and could be easily removed from the torus. Collected fruit were frozen and sent to Kannapolis, North Carolina, where they were analyzed for chemical and physical fruit quality traits: titratable acidity (TAc, % citric acid equivalents), pH, SSC (°Brix), total anthocyanin content (AnC, mg/kg cyanidin 3-glucoside equivalents), total phenolics content (PhC, mg/kg gallic acid equivalents), average infructescence (fruit) mass (FrM), and average seed mass (SdM) [ 18 ]. SSC and TAc were used to calculate the ratio, SSC:TAc.…”

Section: Methodsmentioning

confidence: 99%

“…In addition, this study found no significant differences in antioxidant capacity, anthocyanin content, or titratable acidity between the three tested cultivars [ 17 ]. A multi-environment trial (MET) using BR germplasm grown at research stations in Oregon, Ohio, North Carolina, and New York found statistically significant differences in soluble solid content (SSC), pH, TAc, and SSC:TAc among research locations as well as among genotypes [ 18 ]. Differential performances of fruit firmness and vigor were reported for some experimental BR genotypes trialed in Oregon, Ohio, New York, and North Carolina, though no genotype-by-environment interaction (GEI) statistics were reported [ 19 ].…”

Section: Introductionmentioning

confidence: 99%

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Analysis of a Multi-Environment Trial for Black Raspberry (Rubus occidentalis L.) Quality Traits

Willman

Bushakra

Bassil

et al. 2022

Genes

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U.S. black raspberry (BR) production is currently limited by narrowly adapted, elite germplasm. An improved understanding of genetic control and the stability of pomological traits will inform the development of improved BR germplasm and cultivars. To this end, the analysis of a multiple-environment trial of a BR mapping population derived from a cross that combines wild ancestors introgressed with commercial cultivars on both sides of its pedigree has provided insights into genetic variation, genotype-by-environment interactions, quantitative trait loci (QTL), and QTL-by-environment interactions (QEI) of fruit quality traits among diverse field environments. The genetic components and stability of four fruit size traits and six fruit biochemistry traits were characterized in this mapping population following their evaluation over three years at four distinct locations representative of current U.S. BR production. This revealed relatively stable genetic control of the four fruit size traits across the tested production environments and less stable genetic control of the fruit biochemistry traits. Of the fifteen total QTL, eleven exhibited significant QEI. Closely overlapping QTL revealed the linkage of several fruit size traits: fruit mass, drupelet count, and seed fraction. These and related findings are expected to guide further genetic characterization of BR fruit quality, management of breeding germplasm, and development of improved BR cultivars for U.S. production.

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Section: Methodsmentioning

confidence: 99%