Comparative analysis of grape cultivars based on leaf geometry fractal parameters
Abstract
The study comparatively analyzed seven grape cultivars based on some parameters of the fractal geometry of the leaf lamina. The following grape cultivars were considered in the study: Cabernet Sauvignon (CS), Chasselas (Ch), Muscat Hamburg (MH), Muscat Iantarnîi (MI), Muscat Ottonel (MO), Perlă de Csaba (PC), and Victoria (Vi). Through the fractal analysis (box-counting) the parameters D1, D2, BW, B+BW, and W+BW were obtained. The ANOVA test was used for the comparative analysis between the seven grape varieties, based on the values of each fractal parameter. The comparative analysis based on the D1 parameter led to four statistically guaranteed differences (p<0.05). Based on the B+BW parameter, there were differences in conditions of p<0.001 in the case of five comparative analyses, respectively in conditions of p<0.01 in the case of one comparative analysis. Based on the BW parameter, there were statistically guaranteed differences at the level of p<0.05 in the case of one comparison, at the level of p<0.01 in the case of three comparative analyses, and respectively at the level of p<0.001 in the case of two comparisons. Based on the W+BW parameter, there were differences in terms of statistical safety in the case of the 14 comparative analyses; three comparative analyzes at the p<0.05 significance level, one comparison at the p<0.01 level, and ten comparisons at the p<0.001 level, respectively. In the case of D2 parameter, the comparative analysis led to results without statistical certainty.
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