[1]

Teh SL, Kostick S, Brutcher L, Schonberg B, Barritt B, et al. 2021. Trends in fruit quality improvement from 15 years of selection in the apple breeding program of Washington State University. Frontiers in Plant Science 12:714325

doi: 10.3389/fpls.2021.714325
[2]

Evans K. 2013. Apple breeding in the Pacific Northwest. Acta Horticulturae 976:75−78

doi: 10.17660/ActaHortic.2013.976.6
[3]

Yue C, Gallardo RK, Luby J, Rihn A, McFerson JR et al. 2013. An investigation of U.S. apple producers' trait prioritization — evidence from audience surveys. HortScience 48:1378−84

doi: 10.21273/HORTSCI.48.11.1378
[4]

Watkins CB. 2017. Advances in postharvest handling and storage of apples. In Achieving Sustainable Cultivation of Apple, ed. Evans K. London: Burleigh Dodds Science Publishing. pp. 361−92. https://doi.org/10.4324/9781351114233-17

[5]

Evans K, Brutcher B, Konishi B, Barritt B. 2010. Correlation of sensory analysis with physical textural data from a computerized penetrometer in the Washington State University apple breeding program. HortTechnology 20:1026−29

doi: 10.21273/HORTSCI.20.6.1026
[6]

Teh SL, Kostick SA, Evans KM. 2021. Genetics and breeding of apple scions. In The Apple Genome, ed. Korban SS. Cham: Springer. pp. 73−103. https://doi.org/10.1007/978-3-030-74682-7_5

[7]

Magness JR, Taylor GF. 1925. An improved type of pressure tester for the determination of fruit maturity. Washington, DC: US Department of Agriculture. https://doi.org/10.5962/bhl.title.66090

[8]

Mohr and Associtaes, Inc. 2007. MOHR DIGI-TEST Computer-Controlled Fruit Quality Testing System: Manual for Software Version 1.25. (Accessed December 28, 2023). www.mohr-engineering.com/download.php?download_file=MDT-1%20Operators%20Manual

[9]

Teh SL, Kostick SA, Evans KM. 2024. Breeding for fruit quality improvement in apple. In Improving the quality of apples, ed. Costa F. Cambridge: Burleigh Dodds Science Publishing. pp. 111−44. https://doi.org/10.19103/as.2023.0127.07

[10]

Peace CP, Luby JJ, van de Weg WE, Bink MCAM, Iezzoni AF. 2014. A strategy for developing representative germplasm sets for systematic QTL validation, demonstrated for apple, peach, and sweet cherry. Tree Genetics & Genomes 10:1679−94

doi: 10.1007/s11295-014-0788-z
[11]

Miranda Sazo M. 2014. Request and use the young apple thinning gauge for strict crop load management of high-value apple cultivars. Cornell Cooperative Extension Fruit Notes. Volume 14. (Accessed December 28, 2023). https://rvpadmin.cce.cornell.edu/pdf/lof_newsletter/pdf93_pdf.pdf

[12]

Teh SL, Brutcher L, Schonberg B, Evans K. 2020. Eleven-year correlation of physical fruit texture traits between computerized penetrometers and sensory assessment in an apple breeding program. HortTechnology 30:719−24

doi: 10.21273/HORTTECH04698-20
[13]

Teh SL, Coggins JL, Kostick SA, Evans KM. 2020. Location, year, and tree age impact NIR-based postharvest prediction of dry matter concentration for 58 apple accessions. Postharvest Biology and Technology 166:111125

doi: 10.1016/j.postharvbio.2020.111125
[14]

Blanpied GD, Silsby KJ. 1992. Predicting harvest date windows for apples. Cornell Cooperative Extension Information Bulletin 211:1−12. (Accessed December 28, 2023). https://ecommons.cornell.edu/server/api/core/bitstreams/242b2cd3-40b2-4843-a2dc-bde02d4c2f0d/content

[15]

R Core Team. 2015. R: a language and environment for statistical computing. Vienna: R Core Team.

[16]

RStudio Team. 2020. RStudio: integrated development for R. RStudio, PBC, Boston, MA.

[17]

Wickham H. 2016. ggplot2: elegant graphics for data analysis. Cham: Springer. xvi, 260 pp. https://doi.org/10.1007/978-3-319-24277-4

[18]

Rudell DR, Mattinson DS, Fellman JK, Mattheis JP. 2000. The progression of ethylene production and respiration in the tissues of ripening 'Fuji' apple fruit. HortScience 35:1300−3

doi: 10.21273/HORTSCI.35.7.1300
[19]

US Apple Association. 2023. 2023-24 apple production will exceed 10.5 billion pounds. (Accessed December 29, 2023). https://usapple.org/news-resources/2023-24-apple-production-will-exceed-10-5-billion-pounds

[20]

Migicovsky Z, Gardner KM, Richards C, Chao CT, Schwaninger HR, et al. 2021. Genomic consequences of apple improvement. Horticulture Research 8:9

doi: 10.1038/s41438-020-00441-7