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- Author or Editor: José F. Pereira x
A rapid method to determine the total leaf area of a cassava (Manihot esculenta Crantz) plant was determined. A ruler was designed to determine individual leaf area when the linear equation relating leaf area and the length of the middle leaf lob is known. A linear equation can be developed for a specific cultivar. Total leaf area of a whole plant can be determined by counting the number of phylotactic turns and using it in a linear equation relating cumulative leaf area with the number of phylotactic turns per plant. Equations for 6 cassava cultivars are given.
Cyanide content of the leaves and roots of 6 Venezuelan cultivars of Manihot esculenta Crantz (yuca, cassava) did not necessarily coincide with their organoleptic classifications. Leaves and root periderm contained the largest amount of cyanogenic compounds. The content of cyanide in leaves and root periderm was not associated with the cyanide content of root parenchymal tissue.