Clustering of dioscorea spp. from semarang district and boyolali-indonesia based on characterization starch type and tuber morphology

Abstract

Dioscorea Spp. is a group of plants that having great potential to be developed, but its presence are increasingly marginalised. Semarang district and Boyolali-Indonesia have variants of Dioscorea Spp. that has not been characterized. The purpose of this research to clustering and know the similarity range of Dioscorea Spp. from Semarang district and Boyolali-Indonesia based on starch type and tuber morphology. Ten variants Dioscorea Spp. from Semarang district and Boyolali-Indonesia are characterized its starch and tuber, than arranged using cluster analysis with Past ver. 9.0 programs. The result of cluster analysis showed that 10 variants were found clustered into two main groups. First group consist of 'gembili wulung', 'tomboreso', 'gembili brol', 'gembili tropong' and 'gembili pulung', while second group are 'uwi legi', 'uwi ungu' and 'uwi bangkulit'. Varieties from Semarang district and Boyolali have different morphological forms, but still have close kinship relationship.