| |
|
|
|
Registro Completo |
|
Biblioteca(s): |
Embrapa Arroz e Feijão; Embrapa Unidades Centrais. |
|
Data corrente: |
05/12/2012 |
|
Data da última atualização: |
16/09/2022 |
|
Tipo da produção científica: |
Artigo em Periódico Indexado |
|
Autoria: |
ALVAREZ, R. de C. F.; CRUSCIOL, C. A. C.; NASCENTE, A. S.; RODRIGUES, J. D.; HABERMANN, G. |
|
Afiliação: |
RITA DE CÁSSIA FÉLIX ALVAREZ, UNIVERSIDADE FEDERAL DE MATO GROSSO DO SUL; CARLOS ALEXANDRE COSTA CRUSCIOL, UNESP, Botucatu-SP; ADRIANO STEPHAN NASCENTE, CNPAF; JOÃO DOMINGOS RODRIGUES, UNESP, Botucatu-SP; GUSTAVO HABERMANN, UNESP, Rio Claro-SP. |
|
Título: |
Gas exchange rates, plant height, yield components, and productivity of upland rice as affected by plant regulators. |
|
Ano de publicação: |
2012 |
|
Fonte/Imprenta: |
Pesquisa Agropecuária Brasileira, v. 47, n. 10, p. 1455-1461, out. 2012. |
|
Idioma: |
Inglês |
|
Conteúdo: |
The objective of this work was to evaluate gas exchange rates, plant height, yield components, and productivity of upland rice, as affected by type and application time of plant growth regulators. A randomized block design, in a 4x2 factorial arrangement, with four replicates was used. Treatments consisted of three growth regulators (mepiquat chloride, trinexapac.ethyl, and paclobutrazol), besides a control treatment applied at two different phenological stages: early tillering or panicle primordial differentiation. The experiment was performed under sprinkler.irrigated field conditions. Net CO2 assimilation, stomatal conductance, plant transpiration, and water.use efficiency were measured four times in Primavera upland rice cultivar, between booting and milky grain phenophases. Gas exchange rates were neither influenced by growth regulators nor by application time. There was, however, interaction between these factors on the other variables. Application of trinexapac.ethyl at both tillering and differentiation stages reduced plant height and negatively affected yield components and rice productivity. However, paclobutrazol and mepiquat chloride applied at tillering, reduced plant height without affecting rice yield. Mepiquat chloride acted as a growth stimulator when applied at the differentiation stage, and significantly increased plant height, panicle number, and grain yield of upland rice. |
|
Palavras-Chave: |
Condutância estomática; Eficiência de uso da água; Estatura da planta; Net photosynthesis; Water?use efficiency. |
|
Thesagro: |
Arroz; Estatura de planta; Fotossíntese; Gas; Oryza Sativa; Transpiração vegetal. |
|
Thesaurus Nal: |
Stomatal conductance; Transpiration. |
|
Categoria do assunto: |
--
F Plantas e Produtos de Origem Vegetal |
|
URL: |
https://ainfo.cnptia.embrapa.br/digital/bitstream/item/71475/1/gas.pdf
|
|
Marc: |
LEADER 02400naa a2200325 a 4500
001 1941332
005 2022-09-16
008 2012 bl uuuu u00u1 u #d
100 1 $aALVAREZ, R. de C. F.
245 $aGas exchange rates, plant height, yield components, and productivity of upland rice as affected by plant regulators.
260 $c2012
520 $aThe objective of this work was to evaluate gas exchange rates, plant height, yield components, and productivity of upland rice, as affected by type and application time of plant growth regulators. A randomized block design, in a 4x2 factorial arrangement, with four replicates was used. Treatments consisted of three growth regulators (mepiquat chloride, trinexapac.ethyl, and paclobutrazol), besides a control treatment applied at two different phenological stages: early tillering or panicle primordial differentiation. The experiment was performed under sprinkler.irrigated field conditions. Net CO2 assimilation, stomatal conductance, plant transpiration, and water.use efficiency were measured four times in Primavera upland rice cultivar, between booting and milky grain phenophases. Gas exchange rates were neither influenced by growth regulators nor by application time. There was, however, interaction between these factors on the other variables. Application of trinexapac.ethyl at both tillering and differentiation stages reduced plant height and negatively affected yield components and rice productivity. However, paclobutrazol and mepiquat chloride applied at tillering, reduced plant height without affecting rice yield. Mepiquat chloride acted as a growth stimulator when applied at the differentiation stage, and significantly increased plant height, panicle number, and grain yield of upland rice.
650 $aStomatal conductance
650 $aTranspiration
650 $aArroz
650 $aEstatura de planta
650 $aFotossíntese
650 $aGas
650 $aOryza Sativa
650 $aTranspiração vegetal
653 $aCondutância estomática
653 $aEficiência de uso da água
653 $aEstatura da planta
653 $aNet photosynthesis
653 $aWater?use efficiency
700 1 $aCRUSCIOL, C. A. C.
700 1 $aNASCENTE, A. S.
700 1 $aRODRIGUES, J. D.
700 1 $aHABERMANN, G.
773 $tPesquisa Agropecuária Brasileira$gv. 47, n. 10, p. 1455-1461, out. 2012.
Download
Esconder MarcMostrar Marc Completo |
|
Registro original: |
Embrapa Arroz e Feijão (CNPAF) |
|
|
Biblioteca |
ID |
Origem |
Tipo/Formato |
Classificação |
Cutter |
Registro |
Volume |
Status |
URL |
Voltar
|
|
|
| Registros recuperados : 84 | |
| 9. |  | DANTAS, B. F.; ARAGÃO, C. A.; CATANEO, A. C.; CAVARIANI, C.; NAKAGAWA, J.; RODRIGUES, J. D. Atividade amilolítica e germinação de sementes de milho submetidas à deficiência de oxigênio. In: CONGRESSO BRASILEIRO DE FISIOLOGIA VEGETAL, 8., 2001, Ilheus. Anais... Ilheus: SBFV, 2001. 1 CD-ROM.| Tipo: Artigo em Anais de Congresso |
| Biblioteca(s): Embrapa Semiárido. |
|    |
| 10. | | DANTAS, B. F.; ARAGÃO, C. A.; CATANEO, A. C.; CAVARIANI, C.; NAKAGAWA, J.; RODRIGUES, J. D. Atividade amilolítica de sementes das cultivares de milho Saracura (BRS4154) e CATI AL34 submetidas ao alagamento. In: CONGRESSO NACIONAL DE MILHO E SORGO, 24., 2002, Florianópolis. Resumos... Sete Lagoas: ABS; Embrapa Milho e Sorgo; Epagri, 2002. 1 CD-ROM.| Tipo: Artigo em Anais de Congresso |
| Biblioteca(s): Embrapa Semiárido. |
| |
| 11. | | AGUIAR NETTO, A. de O.; RODRIGUES, J. D.; PINHO, S. Z. de. Análise de crescimento na cultura da batata submetida a diferentes lâminas de irrigação. Pesquisa Agropecuária Brasileira, Brasília, DF, v. 35, n. 5, p. 901-907, maio, 2000. Título em inglês: Growth analysis in the potato crop under different irrigation levels.| Biblioteca(s): Embrapa Unidades Centrais. |
| |
| 12. | | RODRIGUES, J. D. B.; ALVES, R. M.; FERNANDES, J. R. Q. Análises de produção de progênies de cupuaçuzeios em dois ambientes no município de Tomé-Açu, Pará. In: SEMINÁRIO DE INICIAÇÃO CIENTÍFICA, 19.; SEMINÁRIO DE PÓS-GRADUAÇÃO DA EMBRAPA AMAZÔNIA ORIENTAL, 3., 2015, Belém, PA. Anais. Belém, PA: Embrapa Amazônia Oriental, 2015. p. 96-100.| Tipo: Artigo em Anais de Congresso |
| Biblioteca(s): Embrapa Amazônia Oriental. |
| |
| Registros recuperados : 84 | |
|
| Nenhum registro encontrado para a expressão de busca informada. |
|
|
