Genetic Relationships based on Qualitative Characters Differences of Several Yam bean (Pachyrhizus erosus) Lines

The number of yam bean varieties released and circulating in the community is limited, thus there is an opportunity to develop new varieties. This study aims to determine the genetic reationship and differences in qualitative phenotypic characters of breeding lines compared to several other lines.

The research was conducted in Kutasari Village, Baturaden District, Banyumas Regency, Central Java Province, from February to June 2023. The study involved six lines, repeated four times using a randomized block design. The six lines of yam bean under treatment included Banyumas Line, Binjai Line, Kediri Line, Madura Line, Padang Line and Line X. Qualitative data were processed descriptively and genetic reationship tests were conducted using a dendrogram.

The results showed that the breeding yam bean (Line X) had different qualitative characters in the parameters of color (stem, leaf, flower, seed and tuber) and seed shape. Line X showed a similarity with Padang Variety of 34.27%, Madura and Kediri lines of 21.03%, Binjai line of 13.79% and Banyumas line of 0%. Line X had similar qualitative phenotypic characters in the parameters of shape (stem, leaf, leaf tip and leaf edge) and leaf surface. Yam bean Line X has the potential to become a new variety.