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Registro Completo |
Biblioteca(s): |
Embrapa Pecuária Sul. |
Data corrente: |
30/12/2020 |
Data da última atualização: |
16/09/2021 |
Tipo da produção científica: |
Artigo em Periódico Indexado |
Autoria: |
PIVETA, L. B.; ROMA-BURGOS, N.; NOLDIN, J. A.; VIANA, V. E.; OLIVEIRA, C. de; LAMEGO, F. P.; AVILA, L. A. |
Afiliação: |
Leonard Bonilha Piveta, UFPEL; Nilda Roma-Burgos, University of Arkansas; José Alberto Noldin, EPAGRI; Vívian Ebeling Viana, UFPEL; Claudia de Oliveira, UFPEL; FABIANE PINTO LAMEGO, CPPSUL; Luis Antonio de Avila, UFPEL. |
Título: |
Molecular and physiological responses of rice and weedy rice to heat and drought stress. |
Ano de publicação: |
2021 |
Fonte/Imprenta: |
Agriculture, v. 11, n. 1, 9-11010009, Jan. 2021. |
DOI: |
https://dx.doi.org/10.3390/ agriculture |
Idioma: |
Inglês |
Conteúdo: |
Abstract:Rice is the staple food for about half of the world population. Rice grain yield and qualityare affected by climatic changes. Arguably, rice cultivars genetic diversity is diminished from decadesof breeding using narrow germplasm, requiring introgressions from otherOryzaspecies, weedy orwild. Weedy rice has high genetic diversity, which is an essential resource for rice crop improvement.Here, we analyzed the phenotypic, physiological, and molecular profiles of two rice cultivars (IRGA424 and SCS119 Rubi) and five weedy rice (WR), from five different Brazilian regions, in responseto heat and drought stress. Drought and heat stress affected the phenotype and photosyntheticparameters in different ways in rice and WR genotypes. A WR from Northern Brazil yielded betterunder heat stress than the non-stressed check. Drought stress upregulatedHSF7Awhile heat stressupregulatedHSF2a.HSP74.8,HSP80.2,andHSP24.1were upregulated in both conditions. Basedon all evaluated traits, we hypothesized that in drought conditions increasingHSFA7expressionis related to tiller number and that increase WUE (water use efficiency) andHSFA2aexpressionare associated with yield. In heat conditions, Gs(stomatal conductance) and Es increases may berelated to plant height; tiller number is inversely associated withHSPsexpression, and chlorophyllcontent and Ci(intercellular CO2concentration) may be related to yield. Based on morphology,physiology, and gene regulation in heat and drought stress, we can discriminate genotypes thatperform well under these stress conditions and utilize such genotypes as a source of genetic diversityfor rice breeding.Keywords:genetic diversity; photosynthesis; heat shock protein MenosAbstract:Rice is the staple food for about half of the world population. Rice grain yield and qualityare affected by climatic changes. Arguably, rice cultivars genetic diversity is diminished from decadesof breeding using narrow germplasm, requiring introgressions from otherOryzaspecies, weedy orwild. Weedy rice has high genetic diversity, which is an essential resource for rice crop improvement.Here, we analyzed the phenotypic, physiological, and molecular profiles of two rice cultivars (IRGA424 and SCS119 Rubi) and five weedy rice (WR), from five different Brazilian regions, in responseto heat and drought stress. Drought and heat stress affected the phenotype and photosyntheticparameters in different ways in rice and WR genotypes. A WR from Northern Brazil yielded betterunder heat stress than the non-stressed check. Drought stress upregulatedHSF7Awhile heat stressupregulatedHSF2a.HSP74.8,HSP80.2,andHSP24.1were upregulated in both conditions. Basedon all evaluated traits, we hypothesized that in drought conditions increasingHSFA7expressionis related to tiller number and that increase WUE (water use efficiency) andHSFA2aexpressionare associated with yield. In heat conditions, Gs(stomatal conductance) and Es increases may berelated to plant height; tiller number is inversely associated withHSPsexpression, and chlorophyllcontent and Ci(intercellular CO2concentration) may be related to yield. Based on morphology,physiology, and gene regulation in heat and drought stress, we can... Mostrar Tudo |
Palavras-Chave: |
Diversidade genética. |
Thesagro: |
Arroz; Fotossíntese; Resposta da Planta. |
Categoria do assunto: |
-- |
Marc: |
LEADER 02460naa a2200253 a 4500 001 2128885 005 2021-09-16 008 2021 bl uuuu u00u1 u #d 024 7 $ahttps://dx.doi.org/10.3390/ agriculture$2DOI 100 1 $aPIVETA, L. B. 245 $aMolecular and physiological responses of rice and weedy rice to heat and drought stress.$h[electronic resource] 260 $c2021 520 $aAbstract:Rice is the staple food for about half of the world population. Rice grain yield and qualityare affected by climatic changes. Arguably, rice cultivars genetic diversity is diminished from decadesof breeding using narrow germplasm, requiring introgressions from otherOryzaspecies, weedy orwild. Weedy rice has high genetic diversity, which is an essential resource for rice crop improvement.Here, we analyzed the phenotypic, physiological, and molecular profiles of two rice cultivars (IRGA424 and SCS119 Rubi) and five weedy rice (WR), from five different Brazilian regions, in responseto heat and drought stress. Drought and heat stress affected the phenotype and photosyntheticparameters in different ways in rice and WR genotypes. A WR from Northern Brazil yielded betterunder heat stress than the non-stressed check. Drought stress upregulatedHSF7Awhile heat stressupregulatedHSF2a.HSP74.8,HSP80.2,andHSP24.1were upregulated in both conditions. Basedon all evaluated traits, we hypothesized that in drought conditions increasingHSFA7expressionis related to tiller number and that increase WUE (water use efficiency) andHSFA2aexpressionare associated with yield. In heat conditions, Gs(stomatal conductance) and Es increases may berelated to plant height; tiller number is inversely associated withHSPsexpression, and chlorophyllcontent and Ci(intercellular CO2concentration) may be related to yield. Based on morphology,physiology, and gene regulation in heat and drought stress, we can discriminate genotypes thatperform well under these stress conditions and utilize such genotypes as a source of genetic diversityfor rice breeding.Keywords:genetic diversity; photosynthesis; heat shock protein 650 $aArroz 650 $aFotossíntese 650 $aResposta da Planta 653 $aDiversidade genética 700 1 $aROMA-BURGOS, N. 700 1 $aNOLDIN, J. A. 700 1 $aVIANA, V. E. 700 1 $aOLIVEIRA, C. de 700 1 $aLAMEGO, F. P. 700 1 $aAVILA, L. A. 773 $tAgriculture$gv. 11, n. 1, 9-11010009, Jan. 2021.
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Embrapa Pecuária Sul (CPPSUL) |
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Registro Completo
Biblioteca(s): |
Embrapa Soja. |
Data corrente: |
29/11/2005 |
Data da última atualização: |
05/04/2021 |
Tipo da produção científica: |
Folder/Folheto/Cartilha |
Autoria: |
CORRÊA-FERREIRA, B. S. |
Afiliação: |
BEATRIZ SPALDING CORRÊA FERREIRA, CNPSo. |
Título: |
Maior eficiência no monitoramento dos percevejos da soja. |
Ano de publicação: |
2005 |
Fonte/Imprenta: |
Londrina: Embrapa Soja, 2005. |
Idioma: |
Português |
Notas: |
1 folder. |
Conteúdo: |
Populações presentes na soja.; Recomendação de uso; Nível de ação para o controle de percevejos. |
Thesagro: |
Percevejo; Praga de Planta; Soja. |
Thesaurus NAL: |
Cimicidae; Plant pests; Soybeans. |
Categoria do assunto: |
-- O Insetos e Entomologia |
URL: |
https://ainfo.cnptia.embrapa.br/digital/bitstream/item/109881/1/folder-percevejo.pdf
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Marc: |
LEADER 00586nam a2200193 a 4500 001 1468588 005 2021-04-05 008 2005 bl uuuu u0uu1 u #d 100 1 $aCORRÊA-FERREIRA, B. S. 245 $aMaior eficiência no monitoramento dos percevejos da soja. 260 $aLondrina: Embrapa Soja$c2005 500 $a1 folder. 520 $aPopulações presentes na soja.; Recomendação de uso; Nível de ação para o controle de percevejos. 650 $aCimicidae 650 $aPlant pests 650 $aSoybeans 650 $aPercevejo 650 $aPraga de Planta 650 $aSoja
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