Ginkgo biloba L. leaf area in relation to leaf parameters – Comparative analysis on female and male trees
DOI:
https://doi.org/10.59463/1p46gg84Keywords:
Component loadings, Ginkgo biloba, leaf area, leaf parameters, multivariate analysisAbstract
The study analyzed leaf area in relation to certain leaf parameters in Ginkgo biloba L. leaves, female (F) and male (M) trees. A positive correlation was found, with different levels of intensity, between leaf area (LA) and leaf perimeter (Per), foreground pixels (FP) and fractal dimension (D) of ginkgo leaf shape, respectively. The variation of leaf area (LA) in relation to Per and FP parameters was described by polynomial equations, under conditions of R2 = 0.999, p<0.001. The level of fit between measured leaf area (LA) and leaf area predicted based on Per and FP parameters was described by linear equations, with RMSE = 0.08673 (leaves from female tree) and RMSE = 0.09087 (leaves from male tree). Multivariate analysis showed positive action of leaf parameters in Principal Component PC1, with differentiated intensity, r = 0.972 (for LA), r = 0.965 (for FP), r = 0.876 (for D), r = 0.754 (for Per) in the case of samples from female trees, respectively r = 0.987 (for LA), r = 0.982 (for FP), r = 0.982 (for D), r = 0.873 (for Per), samples from male trees.
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