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dc.contributor.author
Sartori Camargo, Mônica
dc.contributor.author
Fernández Honaine, Mariana
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Osterrieth, Margarita Luisa
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Bozza, Natália Ganzaroli
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da Mota Silva, Vicente
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Benvenuto, María Laura
dc.contributor.author
de Almeida Silva, Marcelo
dc.date.available
2022-09-08T13:47:05Z
dc.date.issued
2021-07
dc.identifier.citation
Sartori Camargo, Mônica; Fernández Honaine, Mariana; Osterrieth, Margarita Luisa; Bozza, Natália Ganzaroli; da Mota Silva, Vicente; et al.; Silicon fertilization increases gas-exchange and biomass by silicophytolith deposition in the leaves of contrasting drought-tolerant sugarcane cultivars under well-watered conditions; Springer; Plant and Soil; 466; 1-2; 7-2021; 581-595
dc.identifier.issn
0032-079X
dc.identifier.uri
http://hdl.handle.net/11336/167922
dc.description.abstract
Purpose: Silicon (Si) fertilization provides benefits to sugarcane. However, information remain scarce about the relationship between Si fertilization, gas exchange responses, biomass and silicophytolith accumulation in contrasting drought tolerant sugarcane cultivars under well-watered conditions Methods: Sugarcane cultivars (drought-tolerant and drought-sensitive) were grown in pots containing soil with low available Si and were treated (at rates equivalent to 0, 250, 500, 750, and 1000 kg ha−1 Si) with Si as silicate. The silicophytolith contents, morphotype descriptions, Si concentrations and gas exchange were evaluated in the top visible dewlap leaves. Stalk length and stalk biomass were also evaluated. Results: The silicophytolith, Si contents, net CO2 assimilation rate (A), plant transpiration (E), stomatal conductance (gs) and electron transport rate (ETR) of leaves and fresh biomass and length of stalks increased linearly as functions of the Si application rate, independent of cultivar. RB86-7515 showed the highest stalk length, fresh stalk and green leaf biomass, relative water content, and water potential, while RB85-5536 showed superior values for A, E, gs, and ETR. Conclusions: Si fertilization improved photosynthesis, transpiration, stalk length, and stalk biomass production in sugarcane. The highest silicophytolith content was reflected in a diversity of silicified cells, which may favor a higher photosynthesis and biomass. The increase of silicification in stomata complexes and trichomes with Si may be associated to a higher Si availability and transpiration. Contrasting drought-tolerant cultivars showed similar silicification and gas exchange responses with Si. Considering these benefits, Si should be included in the fertilization program of sugarcane.
dc.format
application/pdf
dc.language.iso
eng
dc.publisher
Springer
dc.rights
info:eu-repo/semantics/openAccess
dc.rights.uri
https://creativecommons.org/licenses/by-nc-sa/2.5/ar/
dc.subject
ABSORPTION
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PLANT NUTRITION
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SACCHARUM SPP
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SILICA
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SILICATE
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SOIL
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Ciencias de las Plantas, Botánica
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Ciencias Biológicas
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CIENCIAS NATURALES Y EXACTAS
dc.title
Silicon fertilization increases gas-exchange and biomass by silicophytolith deposition in the leaves of contrasting drought-tolerant sugarcane cultivars under well-watered conditions
dc.type
info:eu-repo/semantics/article
dc.type
info:ar-repo/semantics/artículo
dc.type
info:eu-repo/semantics/publishedVersion
dc.date.updated
2022-09-06T18:41:04Z
dc.journal.volume
466
dc.journal.number
1-2
dc.journal.pagination
581-595
dc.journal.pais
Alemania
dc.journal.ciudad
Berlin
dc.description.fil
Fil: Sartori Camargo, Mônica. No especifíca;
dc.description.fil
Fil: Fernández Honaine, Mariana. Consejo Nacional de Investigaciones Científicas y Técnicas. Centro Científico Tecnológico Conicet - Mar del Plata. Instituto de Investigaciones Marinas y Costeras. Universidad Nacional de Mar del Plata. Facultad de Ciencias Exactas y Naturales. Instituto de Investigaciones Marinas y Costeras; Argentina
dc.description.fil
Fil: Osterrieth, Margarita Luisa. Consejo Nacional de Investigaciones Científicas y Técnicas. Centro Científico Tecnológico Conicet - Mar del Plata. Instituto de Investigaciones Marinas y Costeras. Universidad Nacional de Mar del Plata. Facultad de Ciencias Exactas y Naturales. Instituto de Investigaciones Marinas y Costeras; Argentina
dc.description.fil
Fil: Bozza, Natália Ganzaroli. No especifíca;
dc.description.fil
Fil: da Mota Silva, Vicente. Universidade de Sao Paulo; Brasil
dc.description.fil
Fil: Benvenuto, María Laura. Universidad Nacional de Mar del Plata. Facultad de Ciencias Exactas y Naturales. Instituto de Investigaciones en Sanidad Producción y Ambiente. - Comisión de Investigaciones Científicas de la Provincia de Buenos Aires. Instituto de Investigaciones en Sanidad Producción y Ambiente; Argentina
dc.description.fil
Fil: de Almeida Silva, Marcelo. Universidade de Sao Paulo; Brasil
dc.journal.title
Plant and Soil
dc.relation.alternativeid
info:eu-repo/semantics/altIdentifier/url/https://link.springer.com/10.1007/s11104-021-05063-z
dc.relation.alternativeid
info:eu-repo/semantics/altIdentifier/doi/http://dx.doi.org/10.1007/s11104-021-05063-z
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