%0 Journal Article
%T Estimativa da ¨¢rea foliar de plantas daninhas de ambiente aqu¨¢tico: Pistia stratiotes
%A Carvalho
%A L.B.
%A Souza
%A M.C.
%A Bianco
%A M.S.
%A Bianco
%A S.
%J Planta Daninha
%D 2011
%I Sociedade Brasileira da Ci¨ºncia das Plantas Daninhas
%R 10.1590/S0100-83582011000100008
%X leaf area is a major characteristic used to evaluate plant growth. this work aimed to determine a mathematical equation to estimate the leaf area of pistia stratiotes in function of the linear measures of the leaf blades. the experiment was carried out at s£¿o paulo state university,in jaboticabal-sp, brazil. length (l), width (w) and leaf area (la) of one hundred leaves collected from a natural environment were electronically measured. la and l ¡Á w data were submitted to linear regression analysis, determining a mathematical equation to estimate the leaf area of the species. anova on linear regression and correlation analysis between the obtained and estimated leaf area values were significant (p<0.01). leaf area of p. stratiotes may be estimated by the equation: la = 0.79499 (lw).
%K mathematical equation
%K pistia stratiotes
%K aquatic plant.
%U http://www.scielo.br/scielo.php?script=sci_abstract&pid=S0100-83582011000100008&lng=en&nrm=iso&tlng=en