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dc.creatorDodig, Dejan
dc.creatorRančić, Dragana
dc.creatorVučelić-Radović, Biljana
dc.creatorZorić, Miroslav
dc.creatorSavić, Jasna
dc.creatorKandić, Vesna
dc.creatorPecinar, I.
dc.creatorStanojević, S.
dc.creatorŠešlija, A.
dc.creatorVassilev, Dimitar
dc.creatorPekic-Quarrie, S.
dc.date.accessioned2021-04-26T19:32:58Z
dc.date.available2021-04-26T19:32:58Z
dc.date.issued2017
dc.identifier.issn0021-8596
dc.identifier.urihttp://fiver.ifvcns.rs/handle/123456789/1674
dc.description.abstractAssimilated carbon during vegetative and early reproductive growth in wheat is temporarily stored in stem internodes and leaf sheaths (LSs), and can later be remobilized and transported to developing grain. The present study was undertaken to determine the effect of several peduncle (the uppermost internode) morpho-anatomical and biochemical traits on grain weight, and to assess the contribution of the peduncle water-soluble carbohydrate (WSC) reserves shortly after anthesis to its variation. In 2-year field trials, 61 wheat genotypes were used (27 F-4:5 families, 17 parents used for the crosses and the 17 current best standards), comparing intact control plants (CP) with plants that were defoliated (DP) by cutting off all leaf blades 10 days after anthesis. Estimated contributions of peduncle (culm (C) and flag LS) assimilate reserves to grain weight/spike were from 006 to 031 and from 011 to 045 in CP and DP plants, respectively. In both CP and DP plants, a higher contribution was from the LS than from the C. High peduncle reserve mobilization efficiency, a longer exposed part of the peduncle and larger C storage capacity (through higher parenchyma and/or lower lignified area) were of specific benefit for maintaining grain weight in defoliated plants. F-4:5 families had higher transport capacity in the peduncle, but without any improvement in WSC-related traits compared with the best standards.en
dc.publisherCambridge Univ Press, New York
dc.relationinfo:eu-repo/grantAgreement/MESTD/Technological Development (TD or TR)/31005/RS//
dc.relationinfo:eu-repo/grantAgreement/EC/FP7/316004/EU//
dc.rightsrestrictedAccess
dc.sourceJournal of Agricultural Science
dc.titleResponse of wheat plants under post-anthesis stress induced by defoliation: II. Contribution of peduncle morpho-anatomical traits and carbon reserves to grain yielden
dc.typearticle
dc.rights.licenseARR
dc.citation.epage493
dc.citation.issue3
dc.citation.other155(3): 475-493
dc.citation.rankM22
dc.citation.spage475
dc.citation.volume155
dc.identifier.doi10.1017/S0021859616000551
dc.identifier.scopus2-s2.0-84979233673
dc.identifier.wos000398488500010
dc.type.versionpublishedVersion


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