Early Navel Orange Fruit Yield, Quality, and Maturity in Response to Late-season Water Stress
Identifieur interne : 001952 ( Main/Exploration ); précédent : 001951; suivant : 001953Early Navel Orange Fruit Yield, Quality, and Maturity in Response to Late-season Water Stress
Auteurs : Craig E. Kallsen [États-Unis] ; Blake Sanden [États-Unis] ; Mary Lu Arpaia [États-Unis]Source :
- HortScience [ 0018-5345 ] ; 2011.
Descripteurs français
- Pascal (Inist)
- Wicri :
- topic : Fruit, Horticulture.
English descriptors
- KwdEn :
Abstract
The objective of this study was to measure effects of late-season water stress on fruit yield, size, quality, and color of an early-maturing navel orange cultivar, Citrus sinensis (L.) Osbeck 'Beck-Earli'. Three irrigation regimes were initiated in August in the southern San Joaquin Valley of California in 2006, 2007, and 2008. Increasing levels of water stress resulted in decreasing midday shaded leaf water potential (SLWP) ranging from -1.4 MPa in early September to a minimum of -2.5 MPa at harvest. Generally, over the course of the 3 years, late-season water stress decreased fruit grade and increased soluble solids concentration (SSC), titratable acidity (TA), the BrimA index, and orange color. Fruit juiciness and SSC:TA ratios were unaffected by late-season water stress. The intensity of the water stress in 2007 decreased fruit yield by number and weight and decreased the percentage of large fruit. When trees exposed to 2 years of late-season water stress were fully irrigated the next year, fruit yield and quality were similar to trees that had not experienced late-season water stress for the 3 years of the study.
Affiliations:
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Vernon Avenue</s1><s2>Bakersfield, CA 93307</s2><s3>USA</s3><sZ>1 aut.</sZ><sZ>2 aut.</sZ></inist:fA14><country>États-Unis</country><placeName><region type="state">Californie</region></placeName></affiliation></author><author><name sortKey="Lu Arpaia, Mary" sort="Lu Arpaia, Mary" uniqKey="Lu Arpaia M" first="Mary" last="Lu Arpaia">Mary Lu Arpaia</name><affiliation wicri:level="2"><inist:fA14 i1="02"><s1>Department of Botany and Plant Sciences, University of California</s1><s2>Riverside, CA 92521</s2><s3>USA</s3><sZ>3 aut.</sZ></inist:fA14><country>États-Unis</country><placeName><region type="state">Californie</region></placeName></affiliation></author></titleStmt><publicationStmt><idno type="wicri:source">INIST</idno><idno type="inist">11-0391090</idno><date when="2011">2011</date><idno type="stanalyst">PASCAL 11-0391090 INIST</idno><idno type="RBID">Pascal:11-0391090</idno><idno type="wicri:Area/PascalFrancis/Corpus">000152</idno><idno type="wicri:Area/PascalFrancis/Curation">000848</idno><idno type="wicri:Area/PascalFrancis/Checkpoint">000177</idno><idno type="wicri:doubleKey">0018-5345:2011:Kallsen C:early:navel:orange</idno><idno type="wicri:Area/Main/Merge">001986</idno><idno type="wicri:Area/Main/Curation">001952</idno><idno type="wicri:Area/Main/Exploration">001952</idno></publicationStmt><sourceDesc><biblStruct><analytic><title xml:lang="en" level="a">Early Navel Orange Fruit Yield, Quality, and Maturity in Response to Late-season Water Stress</title><author><name sortKey="Kallsen, Craig E" sort="Kallsen, Craig E" uniqKey="Kallsen C" first="Craig E." last="Kallsen">Craig E. 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Osbeck 'Beck-Earli'. Three irrigation regimes were initiated in August in the southern San Joaquin Valley of California in 2006, 2007, and 2008. Increasing levels of water stress resulted in decreasing midday shaded leaf water potential (SLWP) ranging from -1.4 MPa in early September to a minimum of -2.5 MPa at harvest. Generally, over the course of the 3 years, late-season water stress decreased fruit grade and increased soluble solids concentration (SSC), titratable acidity (TA), the BrimA index, and orange color. Fruit juiciness and SSC:TA ratios were unaffected by late-season water stress. The intensity of the water stress in 2007 decreased fruit yield by number and weight and decreased the percentage of large fruit. When trees exposed to 2 years of late-season water stress were fully irrigated the next year, fruit yield and quality were similar to trees that had not experienced late-season water stress for the 3 years of the study.</div></front></TEI><affiliations><list><country><li>États-Unis</li></country><region><li>Californie</li></region></list><tree><country name="États-Unis"><region name="Californie"><name sortKey="Kallsen, Craig E" sort="Kallsen, Craig E" uniqKey="Kallsen C" first="Craig E." last="Kallsen">Craig E. Kallsen</name></region><name sortKey="Lu Arpaia, Mary" sort="Lu Arpaia, Mary" uniqKey="Lu Arpaia M" first="Mary" last="Lu Arpaia">Mary Lu Arpaia</name><name sortKey="Sanden, Blake" sort="Sanden, Blake" uniqKey="Sanden B" first="Blake" last="Sanden">Blake Sanden</name></country></tree></affiliations></record>Pour manipuler ce document sous Unix (Dilib)
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