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dc.contributor.authorDistefano, Gaetano-
dc.contributor.authorGentile, Alessandra-
dc.contributor.authorHerrero Romero, María-
dc.date.accessioned2011-09-19T13:41:05Z-
dc.date.available2011-09-19T13:41:05Z-
dc.date.issued2011-09-
dc.identifier.citationDistefano G, Gentile A, Herrero M. Pollen–pistil interactions and early fruiting in parthenocarpic citrus. Annals of botany 108 (3): 499-509 (2011)es_ES
dc.identifier.issn0305-7364-
dc.identifier.urihttp://hdl.handle.net/10261/39684-
dc.description37 Pag., 1 Tabl., 6 Fig. The definitive version is available at: http://aob.oxfordjournals.org/es_ES
dc.description.abstractBackground and Aims An intense pollen–pistil interaction precedes fertilization. This interaction is of particular relevance in agronomically important species where seeds or fruits are the edible part. Over time some agronomically species have been selected for the ability to produce fruit without seeds. While this phenomenon is critical for commercial production in some species, very little is known about the events behind the production of seedless fruit. In this work, the relationship between pollen–pistil interaction and the onset of fruiting was investigated in citrus mandarin. Methods Pistils were sequentially examined in hand-pollinated flowers paying attention to pollen-tube behaviour, and to cytochemical changes along the pollen-tube pathway. To evaluate which of these changes were induced by pollination/fertilization and which were developmentally regulated, pollinated and unpollinated pistils were compared. Also the onset of fruiting was timed and changes in the ovary examined.es_ES
dc.description.abstractKey Results Conspicuous changes occurred in the pistil along the pollen-tube pathway, which took place in a basipetal way encompassing the timing of pollen-tube growth. However, these changes appear to be developmentally regulated as they happened in the same way and at the same time in unpollinated flowers. Moreover, the onset of fruiting occurred prior to fertilization and the very same changes could be observed in unpollinated flowers. Conclusions Pollen–pistil interaction in citrus showed similarities with unrelated species and families belonging to other taxa. The uncoupling of the reproductive and fruiting processes accounts for the parthenocarpic ability of unpollinated flowers to produce fruit in citrus. However, the maintenance of a functional reproductive process reflects the potential to produce seeded fruits, providing a basis for the understanding of the production of seeded or unseeded fruits and further understanding of the process of parthenocarpy in other species.es_ES
dc.description.sponsorshipThis work was supported by: the Italian Ministry of the University – Project PRIN “The productive process in fruit tree species: molecular, physiological and agronomical aspects of floral incompatibility and strategies for its control”; the Minister of Science and Innovation – EU Feder [Project grant CICYT AGL-2006-13529-CO2-01/AGR and AGL-2009-12621-CO2-01/AGR]; the Aragon Government A-43 support to the group.es_ES
dc.language.isoenges_ES
dc.publisherOxford University Presses_ES
dc.rightsopenAccesses_ES
dc.subjectCitruses_ES
dc.subjectflower developmentes_ES
dc.subjectmandarines_ES
dc.subjectObturatores_ES
dc.subjectOvaryes_ES
dc.subjectpapillaees_ES
dc.subjectparthenocarpyes_ES
dc.subjectpistiles_ES
dc.subjectpollen tube competitiones_ES
dc.subjectseedlessnesses_ES
dc.subjectstigmaes_ES
dc.subjectstylar canales_ES
dc.titlePollen–pistil interactions and early fruiting in parthenocarpic citruses_ES
dc.typeartículoes_ES
dc.identifier.doi10.1093/aob/mcr187-
dc.description.peerreviewedPeer reviewedes_ES
dc.relation.publisherversionhttp://dx.doi.org/10.1093/aob/mcr187es_ES
dc.identifier.e-issn1095-8290-
dc.embargo.terms2012-09-30es_ES
dc.identifier.pmid21795277-
dc.type.coarhttp://purl.org/coar/resource_type/c_6501es_ES
item.openairetypeartículo-
item.cerifentitytypePublications-
item.languageiso639-1en-
item.grantfulltextopen-
item.openairecristypehttp://purl.org/coar/resource_type/c_18cf-
item.fulltextWith Fulltext-
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