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DC Field | Value | Language |
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dc.contributor.CRUESP | UNIVERSIDADE ESTADUAL DE CAMPINAS | pt_BR |
dc.contributor.authorunicamp | Menossi, Marcelo | - |
dc.type | Artigo | pt_BR |
dc.title | Inter‐relationship between photosynthetic efficiency, Δ13C, antioxidant activity and sugarcane yield under drought stress in field conditions | pt_BR |
dc.contributor.author | Endres, Lauricio | - |
dc.contributor.author | dos Santos, Claudiana Moura | - |
dc.contributor.author | Silva, Jose Vieira | - |
dc.contributor.author | de Souza Barbosa, Geraldo Verissimo | - |
dc.contributor.author | Januario Silva, Andre Lucas | - |
dc.contributor.author | Froehlich, Angela | - |
dc.contributor.author | Teixeira, Marcelo Menossi | - |
dc.subject | Peroxidação de lipídeos | pt_BR |
dc.subject.otherlanguage | Lipid peroxidation | pt_BR |
dc.description.abstract | Drought is one of the major climatic factors that reduce crop yields in cultivated areas around the world, and studies on physiological responses may help in the selection of drought tolerant genotypes. Thus, this work aimed to correlate gas exchange, photosynthetic efficiency, carbon isotope discrimination (Delta C-13) and antioxidant activity in sugarcane varieties submitted to water stress under field conditions. Six sugarcane varieties were submitted to drought stress in three development stages: tillering, intense growth and ripening. In all varieties, the photosynthetic apparatus was severely affected by drought, with a reduction in photosynthetic rate and chlorophyll content. During the tillering stage, reductions in gas exchange and increase in Delta C-13 and bundle sheath leakiness (phi) were observed. In the intense growth stage, water stress caused increases in leaf temperature, intrinsic water use efficiency, antioxidant enzyme activity and lipid peroxidation, and reductions in stomatal conductance and transpiration in the RB72454, RB855113 and RB855536 varieties. However, the RB92579 variety maintained a better physiological homeostasis at all development stages and presented higher stalks yielding when submitted to drought. This work suggests that screen sugarcane genotype to drought stress should be performed during the intense growth stage, when plants are more sensitive to drought conditions | pt_BR |
dc.relation.ispartof | Journal of agronomy and crop science | pt_BR |
dc.relation.ispartofabbreviation | J. agron. crop sci. | pt_BR |
dc.publisher.city | Berlin | pt_BR |
dc.publisher.country | Alemanha | pt_BR |
dc.publisher | Wiley | pt_BR |
dc.date.issued | 2019 | - |
dc.date.monthofcirculation | Oct. | pt_BR |
dc.language.iso | eng | pt_BR |
dc.description.volume | 205 | pt_BR |
dc.description.issuenumber | 5 | pt_BR |
dc.description.firstpage | 433 | pt_BR |
dc.description.lastpage | 446 | pt_BR |
dc.rights | Fechado | pt_BR |
dc.source | WOS | pt_BR |
dc.identifier.issn | 0931-2250 | pt_BR |
dc.identifier.eissn | 1439-037X | pt_BR |
dc.identifier.doi | 10.1111/jac.12336 | pt_BR |
dc.identifier.url | https://onlinelibrary.wiley.com/doi/full/10.1111/jac.12336 | pt_BR |
dc.date.available | 2020-05-21T15:29:14Z | - |
dc.date.accessioned | 2020-05-21T15:29:14Z | - |
dc.description.provenance | Submitted by Mariana Aparecida Azevedo (mary1@unicamp.br) on 2020-05-21T15:29:14Z No. of bitstreams: 0. Added 1 bitstream(s) on 2020-08-27T19:16:59Z : No. of bitstreams: 1 000484622600001.pdf: 2160567 bytes, checksum: 80f335be76cc89cef1e4a2fd9920e133 (MD5) | en |
dc.description.provenance | Made available in DSpace on 2020-05-21T15:29:14Z (GMT). No. of bitstreams: 0 Previous issue date: 2019 | en |
dc.identifier.uri | http://repositorio.unicamp.br/jspui/handle/REPOSIP/341919 | - |
dc.contributor.department | Departamento de Genética, Evolução, Microbiologia e Imunologia | pt_BR |
dc.contributor.unidade | Instituto de Biologia | pt_BR |
dc.subject.keyword | Carbon isotope discrimination | pt_BR |
dc.subject.keyword | Photosynthesis | pt_BR |
dc.subject.keyword | Saccharum spp | pt_BR |
dc.identifier.source | 000484622600001 | pt_BR |
dc.creator.orcid | 0000-0002-9211-3787 | pt_BR |
dc.type.form | Artigo de revisão | pt_BR |
Appears in Collections: | IB - Artigos e Outros Documentos |
Files in This Item:
File | Description | Size | Format | |
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000484622600001.pdf | 2.11 MB | Adobe PDF | View/Open |
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