Boron deficiency inhibits petiole and peduncle cell development and reduces growth of cotton

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dc.contributor.authorde Oliveira, Rosa Honorato
dc.contributor.authorDias Milanez, Camilla Rosindo
dc.contributor.authorMoraes-Dallaqua, Marina Aparecida
dc.contributor.authorRosolem, Ciro Antonio [UNESP]
dc.contributor.institutionUniversidade Estadual Paulista (Unesp)
dc.date.accessioned2014-05-20T15:29:55Z
dc.date.available2014-05-20T15:29:55Z
dc.date.issued2006-11-01
dc.description.abstractThe effect of boron (B) on cotton growth and fruit shedding may be due not only to physiological or biochemical effects, but also to vascular tissue malformation. This experiment investigated petiole and floral peduncle anatomical alterations and growth of cotton supplied with deficient and sufficient B in nutrient solution. Cotton (Gossypium hirsutum cv. 'Delta Opal') plants were grown in solutions containing 0, 1.5, 3.0, 4.5, and 6.0 mu mol L-1 of B from 22 to 36 d after plant emergence (DAPE). From 36 to 51 DAPE, B was omitted from the nutrient solution. Petioles from young leaves and floral bud peduncles (first position of the first sympodial) were sampled and the cross-section anatomy observed under an optical microscope. The number of vascular bundles of the petiole was decreased in B-deficient plants and the xylem was disorganized. Phloem elements in the peduncle vascular cylinder of B-deficient plants did not show clear differentiation. The few xylem elements that were formed were also disorganized. Modifications caused by B deficiency may have impaired B and photosynthate translocation into new cotton growth. Boron accumulation in the shoot of B-deficient plants suggested that there was some B translocation within the plant. It could be inferred that cotton growth would be impaired by the decrease in carbohydrate translocation rather than by B deficiency in the tissue alone.en
dc.description.affiliationSão Paulo State univ, Dept Crop Sci, BR-18603970 Botucatu, SP, Brazil
dc.description.affiliationUnespSão Paulo State univ, Dept Crop Sci, BR-18603970 Botucatu, SP, Brazil
dc.format.extent2035-2048
dc.identifierhttp://dx.doi.org/10.1080/01904160600932617
dc.identifier.citationJournal of Plant Nutrition. Philadelphia: Taylor & Francis Inc., v. 29, n. 11, p. 2035-2048, 2006.
dc.identifier.doi10.1080/01904160600932617
dc.identifier.issn0190-4167
dc.identifier.lattes5720775873259528
dc.identifier.orcid0000-0003-2001-0874
dc.identifier.urihttp://hdl.handle.net/11449/39388
dc.identifier.wosWOS:000240826500009
dc.language.isoeng
dc.publisherTaylor & Francis Inc
dc.relation.ispartofJournal of Plant Nutrition
dc.relation.ispartofjcr0.565
dc.relation.ispartofsjr0,332
dc.rights.accessRightsAcesso restrito
dc.sourceWeb of Science
dc.subjectcottonpt
dc.subjectboron deficiencypt
dc.subjectxylempt
dc.subjectfruit retentionpt
dc.subjectpetiolept
dc.subjectphloempt
dc.titleBoron deficiency inhibits petiole and peduncle cell development and reduces growth of cottonen
dc.typeArtigo
dcterms.licensehttp://journalauthors.tandf.co.uk/permissions/reusingOwnWork.asp
dcterms.rightsHolderTaylor & Francis Inc
unesp.author.lattes5720775873259528[4]
unesp.author.orcid0000-0003-2001-0874[4]
unesp.campusUniversidade Estadual Paulista (Unesp), Faculdade de Ciências Agronômicas, Botucatupt
unesp.departmentProdução e Melhoramento Vegetal - FCApt

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Botucatu - FCA - Faculdade de Ciências Agronômicas