The objective of this study was to obtain mathematical equations through the leaf dimensions to estimate the area leaf of <em>Cordia myxa</em> L. 392 leaves of plants were collected, located in the municip...The objective of this study was to obtain mathematical equations through the leaf dimensions to estimate the area leaf of <em>Cordia myxa</em> L. 392 leaves of plants were collected, located in the municipality of S<span style="white-space:nowrap;">ã</span>o Mateus, North of the State of Espírito Santo, Brazil, 300 of which were used to adjust the equations and 92 for validation. Of all the leaves, the largest length (<em>L</em>) and maximum width (<em>W</em>) were measured, product of multiplying the length with the width (<em>LW</em>) and the real leaf area (<em>RLA</em>). Models equation first degree linear, quadratic and power were fitted, where <em>RLA</em> was the dependent variable as a function of <em>L</em>, <em>W</em> and <em>LW</em> as an independent variable. All equations were validated according to appropriate criterion. Thus, the power model <em>ELA</em> = 0.84(<em>LW</em>)<sup>0.9749</sup>, based on the product of multiplication of length with width (<em>LW</em>) is the most suitable for estimating the leaf area of <em>Cordia myxa</em> L.展开更多
文摘The objective of this study was to obtain mathematical equations through the leaf dimensions to estimate the area leaf of <em>Cordia myxa</em> L. 392 leaves of plants were collected, located in the municipality of S<span style="white-space:nowrap;">ã</span>o Mateus, North of the State of Espírito Santo, Brazil, 300 of which were used to adjust the equations and 92 for validation. Of all the leaves, the largest length (<em>L</em>) and maximum width (<em>W</em>) were measured, product of multiplying the length with the width (<em>LW</em>) and the real leaf area (<em>RLA</em>). Models equation first degree linear, quadratic and power were fitted, where <em>RLA</em> was the dependent variable as a function of <em>L</em>, <em>W</em> and <em>LW</em> as an independent variable. All equations were validated according to appropriate criterion. Thus, the power model <em>ELA</em> = 0.84(<em>LW</em>)<sup>0.9749</sup>, based on the product of multiplication of length with width (<em>LW</em>) is the most suitable for estimating the leaf area of <em>Cordia myxa</em> L.
