Publicação: Estimativa da área foliar de Ageratum conyzoides usando dimensões lineares do limbo foliar
Nenhuma Miniatura disponível
Data
2008-10-01
Orientador
Coorientador
Pós-graduação
Curso de graduação
Título da Revista
ISSN da Revista
Título de Volume
Editor
Universidade Estadual de Maringá (UEM), Pro-reitoria Pesquisa Pos-graduacao
Tipo
Artigo
Direito de acesso
Acesso aberto
Resumo
The aim of this research was to obtain a mathematical equation to estimate the leaf area of Ageratum conyzoides based on linear measures of its leaf blade. Correlation studies were done using real leaf area (Sf), leaf length (C) and the maximum leaf width (L), in about 200 leaf blades. The evaluated statistic models were: linear Y = a + bx; simple linear Y = bx; geometric Y = ax(b); and exponential Y = ab(x). The evaluated linear, exponential and geometric models can be used in the billygoat weed leaf area estimation. In the practical sense, the simple linear regression model is suggested using the C*L multiplication product and taking the linear coefficient equal to zero, because it showed weak-alteration on sum of squares error and satisfactory residual analysis. Thus, an estimate of A conyzoides leaf area can be obtained using the equation Sf = 0.6789*(C*L), with a determination coefficient of 0.8630.
Descrição
Palavras-chave
Idioma
Português
Como citar
Acta Scientiarum-agronomy. Maringa: Universidade Estadual de Maringá (UEM), Pro-reitoria Pesquisa Pos-graduacao, v. 30, n. 4, p. 519-523, 2008.
