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Registros recuperados: 3
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Estimating the development of landrace and improved maize cultivars as a function of air temperature. Repositório Alice
LANGNER, J. A.; STRECK, N. A.; DALMAGO, G. A.; REINIGER, L. R. S.; DURIGON, A.; SILVA, S. D. da; SCHEFFEL, L. G.; POERSCH, A. H..
2016
Tipo: Artigo em periódico indexado (ALICE) Palavras-chave: Modelagem; Zea mays; Milho; Fenologia; Zea mays; Corn; Phenology; Models; Developmental stages.
Ano: 2016 URL: http://www.alice.cnptia.embrapa.br/handle/doc/1061454
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Leaf development and growth of selected sugarcane clones in a subtropical environment. Repositório Alice
STRECK, N. A.; HANAUER, J. G.; GABRIEL, L. F.; BUSKE, T. C.; LANGNER, J. A..
Abstract ? The objective of this work was to compare phyllochron and leaf area on individual stalks of selected sugarcane (Saccharum officinarum) clones grown in a subtropical environment. A two-year field experiment was carried out in Santa Maria, RS, Brazil, during the 2007/2008 and 2008/2009 growing seasons. Three sugarcane clones were used: IAC 822045 (early), SP 711406 (median) and CB 4176 (late), in a complete randomized block design, with four replications. Expanded leaf and total leaf (tips) number were determined, and expanded leaf area was measured. The phyllochron (ºC day leaf-1) based on expanded and tip leaf number was estimated, using 10ºC as base temperature. Allometric relationships between individual area and number of expanded leaves were...
Tipo: Artigo em periódico indexado (ALICE) Palavras-chave: Allometric relationships; Biofuel; Leaf area; Leaf number; Saccharum officinarum.
Ano: 2010 URL: http://www.alice.cnptia.embrapa.br/handle/doc/877099
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Maize leaf development under climate change scenarios. Repositório Alice
STRECK, N. A.; LANGNER, J. A.; LAGO, I..
Abstract ? The objective of this work was to simulate maize leaf development in climate change scenarios at Santa Maria, RS, Brazil, considering symmetric and asymmetric increases in air temperature. The model of Wang & Engel for leaf appearance rate (LAR), with genotype-specific coefficients for the maize variety BRS Missões, was used to simulate tip and expanded leaf accumulated number from emergence to flag leaf appearance and expansion, for nine emergence dates from August 15 to April 15. LAR model was run for each emergence date in 100-year climate scenarios: current climate, and +1, +2, +3, +4 and +5°C increase in mean air temperature, with symmetric and asymmetric increase in daily minimum and maximum air temperature. Maize crop failure due to...
Tipo: Artigo em periódico indexado (ALICE) Palavras-chave: Elevated temperature; Frost risk; Global warming; Leaf appearance; Vegetative development; Zea mays.
Ano: 2010 URL: http://www.alice.cnptia.embrapa.br/handle/doc/876203
Registros recuperados: 3
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