Abstract
Abstract Rice is a food crop that produces rice and acts as a source of energy for people in Indonesia. Increasing the genetic diversity of rice plants is important for further development in the field of rice plant breeding. The purpose of this study was to find out information about the diversity of yield component characters and kinship relationships of several local gogo rice cultivars introduced from Padang Lawas Regency. This study was conducted using an experimental method without a design. Then continued with the identification of quantitative characters of gogo rice plants. The genetic material used was 19 local upland rice cultivars introduced from Padang Lawas Regency. The study was conducted at the Screen House, Faculty of Agriculture, Universitas Sumatera Utara. The results of the study showed that all observed yield component characters had diversity because they had different results in each cultivar. The results of the UPGMA phylogenetics showed that the Sibahopotali cultivar had the furthest similarity coefficient value, namely 0.70. Close similarities were found in the Sibahopo Pinang cultivar with Siperak with a coefficient value of 0.90.
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