Harvest of Southern Highbush Blueberry with a Modified, Over-the-Row Mechanical Harvester: Use of Soft-Catch Surfaces to Minimize Impact Bruising
Abstract
:1. Introduction
2. Materials and Methods
2.1. Plant Material and Field Conditions
2.2. Blueberry Harvesting with OTR Harvesters
2.3. Sorting, Packing and Storage
2.4. Firmness and Bruise Severity
2.5. Soluble Solids Content (SSC) and Total Titratable Acidity (TTA)
2.6. Statistical Analysis
3. Results
3.1. Fruit Quality after Harvest (Harvests 1 and 2)
3.1.1. Marketable Fruit
3.1.2. Firmness and Internal Bruise Severity at Harvest and after Packing
3.2. Fruit Quality during Storage (Harvest 2)
3.2.1. Weight Loss
3.2.2. Firmness
3.3. SSC and TTA
4. Discussion
5. Conclusions
Supplementary Materials
Author Contributions
Funding
Institutional Review Board Statement
Informed Consent Statement
Data Availability Statement
Acknowledgments
Conflicts of Interest
References
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Cultivar | Packout (%) | Unmarketable z (%) | |
---|---|---|---|
Off-Color | Cull | ||
Optimus | 89.4 a x | 9.5 b | 1.0 b |
Vireo | 92.2 a | 6.9 b | 1.0 b |
FL09-311 | 75.9 b | 19.8 a | 4.0 a |
Cultivar | Treatment | Marketable (%) | Unmarketable z (%) | |||
---|---|---|---|---|---|---|
Off-Color | Soft | Cull | Trash | |||
Optimus | HCS y | 59.0 b x | 20.4 a | 3.3 b | 5.8 a | 10.8 a |
SCS | 64.8 a | 16.6 a | 4.0 a | 5.7 a | 8.6 a | |
Vireo | HCS | 80.0 a | 6.2 a | 5.3 a | 4.9 a | 3.3 a |
SCS | 80.9 a | 4.6 b | 5.3 a | 6.4 a | 2.0 a |
Cultivar | Treatment | Firmness (g/mm) | Severe Bruising (%) |
---|---|---|---|
Optimus | HH z | 244.1 a y | 1 c |
HCS | 213.2 b | 40 a | |
SCS | 219.8 b | 16 b | |
Vireo | HH z | 227.1 a | 4 c |
HCS | 204.5 b | 40 a | |
SCS | 198.0 b | 26 b | |
FL09-311 | HH z | 221.6 a | 2 b |
HCS | 200.7 b | 27 a | |
SCS | 207.6 b | 19 a |
Cultivar | Treatment | Firmness (g/mm) | Severe Bruising (%) |
---|---|---|---|
Optimus | HCS z | 222.9 a | 52 a y |
SCS | 218.7 a | 41 a | |
Vireo | HCS | 194.4 a | 54 a |
SCS | 187.9 a | 48 a |
Weight Loss during Storage (%, Fresh Weight Basis) | ||||
---|---|---|---|---|
Cultivar | Storage Time (d) | HH z | HCS | SCS |
Optimus | 7 | 1.1 bB y | 1.5 bA | 1.6 bA |
14 | 2.5 aA | 3.0 aA | 3.5 aA | |
Vireo | 7 | 1.7 bAB | 1.4 bB | 2.0 bA |
14 | 2.6 aB | 3.2 aAB | 4.2 aA |
Firmness (g-f/mm) | ||||
---|---|---|---|---|
Cultivar | Storage Time (d) | HH z | HCS | SCS |
Optimus | 0 | 75.6 aA y | 201.4 aB | 204.9 aB |
7 | 278.2 aA | 180.5 abB | 181.5 abB | |
14 | 239.0 bA | 156.8 bB | 156.8 bB | |
Vireo | 0 | 218.6 aA | 160.5 aB | 172.3 aB |
7 | 205.6 abA | 165.6 aB | 151.0 bB | |
14 | 189.1 bA | 157.0 aA | 152.7 bA |
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Sargent, S.A.; Takeda, F.; Williamson, J.G.; Berry, A.D. Harvest of Southern Highbush Blueberry with a Modified, Over-the-Row Mechanical Harvester: Use of Soft-Catch Surfaces to Minimize Impact Bruising. Agronomy 2021, 11, 1412. https://doi.org/10.3390/agronomy11071412
Sargent SA, Takeda F, Williamson JG, Berry AD. Harvest of Southern Highbush Blueberry with a Modified, Over-the-Row Mechanical Harvester: Use of Soft-Catch Surfaces to Minimize Impact Bruising. Agronomy. 2021; 11(7):1412. https://doi.org/10.3390/agronomy11071412
Chicago/Turabian StyleSargent, Steven A., Fumiomi Takeda, Jeffrey G. Williamson, and Adrian D. Berry. 2021. "Harvest of Southern Highbush Blueberry with a Modified, Over-the-Row Mechanical Harvester: Use of Soft-Catch Surfaces to Minimize Impact Bruising" Agronomy 11, no. 7: 1412. https://doi.org/10.3390/agronomy11071412
APA StyleSargent, S. A., Takeda, F., Williamson, J. G., & Berry, A. D. (2021). Harvest of Southern Highbush Blueberry with a Modified, Over-the-Row Mechanical Harvester: Use of Soft-Catch Surfaces to Minimize Impact Bruising. Agronomy, 11(7), 1412. https://doi.org/10.3390/agronomy11071412