Desenvolvimento de grãos e produção de fitomassa do girassol em fun ção de aduba ções boratadas

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dc.contributor.authorFoloni, José Salvador Simoneti
dc.contributor.authorGarcia, Rodrigo Arroyo [UNESP]
dc.contributor.authorCardoso, Celso Luiz [UNESP]
dc.contributor.authorTeixeira, João Paulo
dc.contributor.authorFilho, Hélio Grassi [UNESP]
dc.contributor.institutionInstituto Agronômico do Paraná - IAPAR
dc.contributor.institutionUniversidade Estadual Paulista (UNESP)
dc.contributor.institutionCATI - DSMM
dc.date.accessioned2022-04-28T21:02:05Z
dc.date.available2022-04-28T21:02:05Z
dc.date.issued2010-03-01
dc.description.abstractSunflower crop is a good option to no-tillage system; however, it is sensible to low B availability, what is common in tropical soils. The objective of this study was to evaluate the crop development, grain yield and grain size as affected by B fertilizer doses applied in the sowing and by leaf application. The experiment was conducted in controlled conditions, with four Borax doses (0; 1; 2 e 3 kg B ha-1) in the sowing interacting with four Boric Acid doses (0; 0,5; 1 e 2 kg B ha-1) by leaf application. The plants were managed until grain physiological maturity, when stems, leaves and capitula were sampled, besides the counting and weighing of two grain classes separated by size. The B fertilizer applied in the sowing lines increased total dry matter phytomass and grain yield. However, when interacting with high doses of B by leaf application, these values decreased. Grain size was increased with leaf fertilization, when B was not applied in the soil or with only 1 kg B ha-1 in the sowing line. On the other hand, when B was applied from 2 to 3 kg ha-1 in the crop sowing, high doses of leaf fertilizer affected grain filling.en
dc.description.affiliationInstituto Agronômico do Paraná - IAPAR
dc.description.affiliationDepartamento de Produção Vegetal Faculdade de Ciências Agronômicas - FCA Universidade Estadula Paulista - UNESP, Botucatu
dc.description.affiliationCATI - DSMM, Bauru, SP
dc.description.affiliationDepartamento de Recursos Naturais - Ciência do Solo FCA- UNESP, Botucatu, SP
dc.description.affiliationUnespDepartamento de Produção Vegetal Faculdade de Ciências Agronômicas - FCA Universidade Estadula Paulista - UNESP, Botucatu
dc.description.affiliationUnespDepartamento de Recursos Naturais - Ciência do Solo FCA- UNESP, Botucatu, SP
dc.format.extent273-280
dc.identifier.citationBioscience Journal, v. 26, n. 2, p. 273-280, 2010.
dc.identifier.issn1516-3725
dc.identifier.issn1981-3163
dc.identifier.scopus2-s2.0-77954067216
dc.identifier.urihttp://hdl.handle.net/11449/225938
dc.language.isoeng
dc.language.isopor
dc.relation.ispartofBioscience Journal
dc.sourceScopus
dc.subjectBoron
dc.subjectHelianthus annus L
dc.subjectTranslocation
dc.titleDesenvolvimento de grãos e produção de fitomassa do girassol em fun ção de aduba ções boratadaspt
dc.title.alternativeGrain development and phytomass production of sunflower as affected by boron fertilizationen
dc.typeArtigo

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Artigos - Produção e Melhoramento Vegetal - FCA
Artigos - Solos e Recursos Ambientais - FCA