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Strawberry breeding and evaluation for mechanical harvesting

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dc.creator Lawrence, F. J. (Francis J.)
dc.creator Martin, Lloyd W.
dc.creator Varseveld, G. W. (George Wallace)
dc.date.accessioned 2009-09-08T17:38:33Z
dc.date.available 2009-09-08T17:38:33Z
dc.date.issued 1975-05
dc.identifier.uri http://hdl.handle.net/1957/12589
dc.description Published May 1975. Facts and recommendations in this publication may no longer be valid. Please look for up-to-date information in the OSU Extension Catalog: http://extension.oregonstate.edu/catalog en
dc.description.abstract Strawberry seedlings and clones were evaluated in the held for crop concentration, harvest ease, and ease of capping. Laboratory post-harvest studies were made of quality retention in these seedlings and clones. Progress has been made in all these categories toward machine harvest. Inheritance patterns for crop concentration show that early-season parents, such as 'Sunrise', provided seed1ing populations with crop concentration, Semi-erect fruiting habits could be obtained from parents of the erect habit, such as 'Hood', 'OR-US 2785', and 'OR-US 2993'. A lack of fruit firmness appeared to be related to ease of capping, but a reflexed calyx did not. Many clones had total yields greater than 'Northwest,' the standard commercial cultivar, and crop concentration measured by the total amount of fruit ripe at any one harvest also was greater than that of 'Northwest.' Performance of OR-US clones varied widely on a fruit destemming machine called the "OSU stemmer." When fruit was obtained from a once-over harvest, five OR-US selections had distinctly greater amounts of usable fruit after capping than did the commercial cultivars Hood and Northwest. Frozen s1iced samples ol mechanically harvested ripe fruit of six OR-US selections rated "good" were comparable to hand-harvested 'Northwest' and superior to machit ,e-harvested 'hood'. Penetrometer measurements taken on the fresh fruit may be useful for predicting textural breakdown in frozen strawberries. Key words: strawberry, Fragaria, mechanization, harvest, postharvest, breeding, yield, crop concentration, berry, quality, processing, texture, genetics, capping, calyx. en
dc.language.iso en_US en
dc.publisher Corvallis : Agricultural Experiment Station, Oregon State University en
dc.relation.ispartofseries Technical bulletin (Oregon State University. Agricultural Experiment Station) en
dc.relation.ispartofseries 131 en
dc.subject.lcsh Strawberries -- Breeding en
dc.subject.lcsh Strawberries -- Harvesting -- Machinery en
dc.subject.other strawberry en
dc.subject.other Fragaria en
dc.subject.other mechanization en
dc.subject.other harvest en
dc.subject.other postharvest en
dc.subject.other breeding en
dc.subject.other yield en
dc.subject.other crop concentration en
dc.subject.other berry en
dc.subject.other quality en
dc.subject.other processing en
dc.subject.other texture en
dc.subject.other genetics en
dc.subject.other capping en
dc.subject.other calyx en
dc.title Strawberry breeding and evaluation for mechanical harvesting en
dc.type Technical Report en
dc.description.digitization Master files scanned at 600 ppi (256 Grayscale) using Capture Perfect 3.0.82 on a Canon DR-9080C in TIF format. PDF derivative scanned at 300 ppi (256 Grayscale), using Capture Perfect 3.0.82, on a Canon DR-9080C. CVista PdfCompressor 4.0 was used for pdf compression and textual OCR. en
dc.description.peerreview yes en

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