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One of the pineapple cultivation areas in Sumatera Utara is Tapanuli Utara. Pineapple is a tropical fruit that can high economic value if it has good fruit quality. Pineapple fruit development needs to done related to the demands of the market. One way to obtain superior varieties is through exploration and selection. The research aims to identify the qualitative characteristic and phylogenetic relationship of pineapple in several districts of Tapanuli Utara Regency, North Sumatra. This research uses survey method based on UPOV (International Union for the Protection of New Varieties of Plants) based on dissimilarity matrix. This research showed that accession of pineapple in Tapanuli Utara still have a far level relationship. The nearest phylogenetic relationship is AN2 and AN3 with coefficient Euclidean 1.773 and farthest phylogenetic relationship is AN26 and AN9 with coefficient Euclidean 71.773 based on the difference qualitative characteristics.

Morphological Characteristics and Phylogenetic Relationship of Pineapple [Ananas comosus (L.) Merr.] in Several District in Tapanuli Utara Regency