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| 14. |  | MEINKE, H.; BASTIAANS, L.; BOUMAN, B.; DINGKUHN, M.; GAYDON, D.; HASEGAWA, T.; HEINEMANN, A. B.; KIEPE, P.; LAFARGE, T.; LUQUET, D.; MASOOD, A.; OORT, P. van; RODENBURG, J.; YAN, J.; YIN, X. An international collaborative research network helps to design climate robust rice systems. In: MARCO SYMPOSIUM 2009: WORKSHOP 2: CROP PRODUCTION UNDER HEAT STRESS: MONITORING, IMPACT ASSESSMENT AND ADAPTATION, 2009, Tsukuba. Challenges for agro-environmental research in Monsoon Asia. Tsukuba: National Institute for AGr-Environmental Sciences, 2009. 11 p.| Biblioteca(s): Embrapa Arroz e Feijão. |
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| 15. | | MCCOUCH, S.; BAUTE, G. J.; BRADEEN, J.; BRAMEL, P.; BRETTING, P. K.; BUCKLER, E.; BURKE, J. M.; CHAREST, D.; CLOUTIER, S.; COLE, G.; DEMPEWOLF, H.; DINGKUHN, M.; FEUILLET, C.; GEPTS, P.; GRATTAPAGLIA, D.; GUARINO, L.; JACKSON, S.; KNAPP, S.; LANGRIDGE, P.; LAWTON-RAUH, A.; LIJUA, Q.; LUSTY, C.; MICHAEL, T.; MYLES, S.; NAITO, K.; NELSON, R. L.; PONTAROLLO, R.; RICHARDS, C. M.; RIESEBERG, L.; ROSS-IBARRA , J.; ROUNSLEY, S.; HAMILTON, R. S.; SCHURR, U.; STEIN, N.; TOMOOKA, N.; KNAAP, E. van der; TASSEL, d. van; TOLL, J.; VALLS, J. F. M.; VARSHNEY, R. K.; WARD, J.; WAUGH, R.; WENZL, P.; ZAMIR, D. Feeding the future: we must mine the biodiversity in seed banks to help to overcome food shortages, urge Susan McCouch and colleagues. Nature, v. 499, p. 23-24, 2013.| Biblioteca(s): Embrapa Recursos Genéticos e Biotecnologia. |
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 | Acesso ao texto completo restrito à biblioteca da Embrapa Arroz e Feijão. Para informações adicionais entre em contato com cnpaf.biblioteca@embrapa.br. |
Registro Completo
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Biblioteca(s): |
Embrapa Arroz e Feijão. |
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Data corrente: |
26/12/2001 |
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Data da última atualização: |
05/04/2022 |
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Tipo da produção científica: |
Artigo em Periódico Indexado |
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Autoria: |
TIVET, F.; PINHEIRO, B. da S.; RAISSAC, M. de; DINGKUHN, M. |
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Afiliação: |
FLORENT TIVET, CIRAD; BEATRIZ DA SILVEIRA PINHEIRO, CNPAF; MARCEL DE RAISSAC, CIRAD; MICHAEL DINGKUHN, CIRAD. |
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Título: |
Leaf blade dimensions of rice (Oryza sativa L. and Oryza glaberrima Steud.): relationships between tillers and the main stem. |
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Ano de publicação: |
2001 |
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Fonte/Imprenta: |
Annals of Botany, v. 88, n. 3, p. 507-511, Sept. 2001. |
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DOI: |
10.1006/anbo.2001.1447 |
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Idioma: |
Inglês |
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Conteúdo: |
The effects of genotype and environment on the leaf area index of rice are well documented, but the rules governing leaf area distribution among main stem and tillers are less well understood. This study investigated the ontogenetic patterns of leaf blade area and dimensions on the main stem and tillers of three rice cultivars, IAC47, Javaé (Oryza sativa L.) and CG14 (O. glaberrima Steud.) grown in pots without competition among plants. No differences in phyllochron were observed among culms, but leaves on tillers appeared 0.5 to 0.8 phyllochrons earlier than the genealogically corresponding leaves on the main stem (system of Katayama). Cohorts were thus not fully synchronized. All culms produced their largest leaves soon after panicle initiation (PI), despite differences in tiller age. Leaves that appeared subsequently were smaller owing to reduced length but not width, which remained constant. Three different hypothetical rules governing the behaviour of culms were tested: (1) tillers behave as clones of the main stem; (2) cohorts behave uniformly, and (3) behaviour is determined by leaf position (sum of genealogical leaf and tiller indices). The results were best explained by hypotheses (2) and (3), with leaf blade width and length showing markedly different patterns. |
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Thesagro: |
Arroz; Fenologia; Folha; Oryza Sativa. |
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Thesaurus NAL: |
Leaf area; Leaf blade; Oryza glaberrima; Phenology; Rice. |
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Categoria do assunto: |
F Plantas e Produtos de Origem Vegetal |
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Marc: |
LEADER 02085naa a2200277 a 4500
001 1209183
005 2022-04-05
008 2001 bl uuuu u00u1 u #d
024 7 $a10.1006/anbo.2001.1447$2DOI
100 1 $aTIVET, F.
245 $aLeaf blade dimensions of rice (Oryza sativa L. and Oryza glaberrima Steud.)$brelationships between tillers and the main stem.$h[electronic resource]
260 $c2001
520 $aThe effects of genotype and environment on the leaf area index of rice are well documented, but the rules governing leaf area distribution among main stem and tillers are less well understood. This study investigated the ontogenetic patterns of leaf blade area and dimensions on the main stem and tillers of three rice cultivars, IAC47, Javaé (Oryza sativa L.) and CG14 (O. glaberrima Steud.) grown in pots without competition among plants. No differences in phyllochron were observed among culms, but leaves on tillers appeared 0.5 to 0.8 phyllochrons earlier than the genealogically corresponding leaves on the main stem (system of Katayama). Cohorts were thus not fully synchronized. All culms produced their largest leaves soon after panicle initiation (PI), despite differences in tiller age. Leaves that appeared subsequently were smaller owing to reduced length but not width, which remained constant. Three different hypothetical rules governing the behaviour of culms were tested: (1) tillers behave as clones of the main stem; (2) cohorts behave uniformly, and (3) behaviour is determined by leaf position (sum of genealogical leaf and tiller indices). The results were best explained by hypotheses (2) and (3), with leaf blade width and length showing markedly different patterns.
650 $aLeaf area
650 $aLeaf blade
650 $aOryza glaberrima
650 $aPhenology
650 $aRice
650 $aArroz
650 $aFenologia
650 $aFolha
650 $aOryza Sativa
700 1 $aPINHEIRO, B. da S.
700 1 $aRAISSAC, M. de
700 1 $aDINGKUHN, M.
773 $tAnnals of Botany$gv. 88, n. 3, p. 507-511, Sept. 2001.
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