Abstract
The study aimed to determine the variation in 38 of yam accessions from Banggai Islands, Central Sulawesi. This study was conducted in August 2012 to May 2013. Morphological data were analyzed using principal component analysis (PCA). The results of ten PC analyzes of a total of 30 components were observed (Table 1) giving eigenvalues greater than 0.25 explains 77.7% of total diversity. Three of the ten PC that determine the yam variant level are PC 1 purple color character (24.3%); PC 2 which stem diameter character (13.3%); PC 3 leaf surface texture, tuber shape and maturity time (8.4%). Cluster analysis results show there are four groups formed, which are A (16 varieties); B (2 varieties); C (19 varieties); and D (1 variety).
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