Application of discriminant analysis in differentiation of substrates for the production of plantlets Talipariti elatum (Sw) Frixell
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Abstract
The aim of the study was to show the utilization of multivariate analysis to select the suitable substrate for production of Talipariti elatum plantlets, consisting in sugarcane straw, peat, and biochar as well as combinations of sugarcane straw-biochar, peat-biochar from morphometric variable as height, diameter at root collar, stem dry weight, main and secondary roots dry weight. The discriminant analysis result to be an appropriate statistical tool to differentiate substrates, throughout three discriminant functions was possible to explain the whole variation. The first discriminant function explained 96, 6% of the variation and the height was the most correlated variable in this function. The lower height was found in substrate biochar that could be related to lower nitrogen content relative to the other substrate.
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