Data/hora: 20/06/2024 23:41:22

Biblioteca(s): | Embrapa Unidades Centrais.
Data corrente: | 14/02/2011
Data da última atualização: | 04/05/2018
Autoria: | STRECK, N. A.; HANAUER, J. G.; GABRIEL, L. F.; BUSKE, T. C.; LANGNER, J. A.
Afiliação: | Nereu Augusto Streck, Universidade Federal de Santa Maria; Joana Graciela Hanauer, Universidade Federal de Santa Maria; Luana Fernandes Gabriel, Universidade Federal de Santa Maria; Taise Cristine Buske, Universidade Federal de Santa Maria; Josana Andréia Langner, Universidade Federal de Santa Maria.
Título: | Leaf development and growth of selected sugarcane clones in a subtropical environment.
Ano de publicação: | 2010
Fonte/Imprenta: | Pesquisa Agropecuária Brasileira, Brasília, DF, v. 45, n. 10, p. 1049-1057, nov. 2010
Idioma: | Inglês
Notas: | Título em português: Desenvolvimento e crescimento foliar de clones de cana?de?açúcar em ambiente subtropical.
Conteúdo: | 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 fitted. Phyllochron was analysed as a four-factor experiment: clone, growing season, phyllochron phase, and phyllochron type. The early clone had the greatest potential for growing in a subtropical climate because of higher leaf output and leaf area.
Palavras-Chave: | Allometric relationships; Biofuel; Leaf number.
Thesagro: | Área Foliar; Biocombustível; Saccharum Officinarum.
Thesaurus Nal: | Biofuels; Leaf area.
Categoria do assunto: | --
URL: | http://ainfo.cnptia.embrapa.br/digital/bitstream/item/105630/1/Leaf-development.pdf
Registro original: | Embrapa Unidades Centrais (AI-SEDE)
Exemplares: | AI-SEDE - (48858-1) - UPE - AP - PP - 630.72081 - P474 -  - DIS