Marker-assisted breeding (MAB) on apple and pear and new approaches for QTLs and major gene genotyping involved in disease resistance

Petiteau, A.; Denancé, Caroline; Muranty, Hélène; Durel, Charles Eric; García-Gómez, Beatriz Ester; Aranzana, María José; Lebreton, F.; Guérif, Philippe; Cournol, Maryline; Petit, Bernard; Guyader, Arnaud; Laurens, François

doi:10.17660/actahortic.2023.1362.30

Cited by 2 publications

(1 citation statement)

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“…In macadamia, the identification of markers tightly linked to nut quality characteristics could be used to screen for elite progeny potentially reducing the selection process by seven years in the breeding program (O'Connor et al, 2019). And examples in Rosaceae fruit trees include screening apricot seedlings for markers associated with plum pox resistance (Zuriaga et al, 2018;Polo-Oltra et al, 2020), apple seedlings for markers associated with fruit quality and disease resistance (Chagnéet al, 2019;Petiteau et al, 2023), and peach seedlings for markers linked with fruit colour (Adami et al, 2013) increasing the efficiency of these breeding programs. This approach significantly reduces the time required for traditional phenotypic evaluation which for many traits can be cumbersome, thus accelerating the breeding cycle in tree crops.…”

Section: Genomics Approachesmentioning

confidence: 99%

Advancing tree genomics to future proof next generation orchard production

Kerr,

Shehnaz,

Paudel

et al. 2024

Front. Plant Sci.

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The challenges facing tree orchard production in the coming years will be largely driven by changes in the climate affecting the sustainability of farming practices in specific geographical regions. Identifying key traits that enable tree crops to modify their growth to varying environmental conditions and taking advantage of new crop improvement opportunities and technologies will ensure the tree crop industry remains viable and profitable into the future. In this review article we 1) outline climate and sustainability challenges relevant to horticultural tree crop industries, 2) describe key tree crop traits targeted for improvement in agroecosystem productivity and resilience to environmental change, and 3) discuss existing and emerging genomic technologies that provide opportunities for industries to future proof the next generation of orchards.

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