Vegetalika | https://doi.org/10.22146/veg.47739 Vegetalika Vol. 11 No. 3, Agustus 2022 :246-252 Available online at https://jurnal.ugm.ac.id/jbp DOI: https://doi.org/10.22146/veg.47739 p-ISSN: 2302-4054 | e-ISSN: 2622-7452 Analisis Kekerabatan dan Keragaman Dua Puluh Lima Tanaman Sri Rejeki (Aglaonema sp) Berdasarkan Karakter Morfologi Genetic Relationship and Diversity Analysis Twenty Five Sri Rejeki Plants (Aglaonema sp) Based on Morphological Characters Irwan Gery Renaldi, Aziz Purwantoro* ) Departemen Budidaya Pertanian, Fakultas Pertanian, Universitas Gadjah Mada Jalan Flora No. 1, Bulaksumur, Sleman, Yogyakarta 55281, Indonesia. *) Penulis untuk korespondensi E-mail: azizp@ugm.ac.id Diajukan: 16 Juli 2019 /Diterima: 18 Agustus 2022 /Dipublikasi: 29 Agustus 2022 ABSTRACT Breeding for superior aglaonema plant varieties requires some basic information of the character itself. This research, characterization based on aglaonema plant morphology was carried out to determine the characteristics of each plant and to study the genetic relationship between aglaonema plants. The research materials were 25 aglaonema plants, including: Pride of Sumatra, Super Pink Ruby, Ruby Kura, Suksom Jaipong, Asri, Nancy, Shinta, Legacy, Tiara, White Legacy, White Tiara, Kochin Brown, Sexy Pink, Ayu Green, Anjamani, Sartika, Charlie Brown, Snowwhite, Donacarmen, Big Leaf, Krisna Golden, Bidadari, Siam Aurora, Queen of Siam, and Kanza. The results of the morphological characterization produced a dendrogram with a similarity coefficient of 0.82 divided into 2 clusters and based on the principal component analysis (PCA) on leaf blade classified into three groups color combination (single color, two color, and three color). Keywords: Aglaonema; Genetic Relationship; Principal Component Analysis; Similarity Coefficient. INTISARI Dalam program perakitan varietas tanaman aglaonema unggul memerlukan beberapa informasi dasar sebagai bahan penentu arah pemuliaan tanaman. Melalui penelitian ini dilakukan karakterisasi berdasarkan morfologi tanaman aglaonema untuk mengetahui karakteristik dari masing-masing tanaman dan mempelajari hubungan kekerabatan genetik antar tanaman aglaonema. Bahan penelitian yaitu 25 tanaman aglaonema antara lain : Pride of Sumatra, Ruby Super Pink, Ruby Kura, Suksom Jaipong, Asri, Nancy,Shinta, Legacy, Tiara, Legacy Putih, Tiara Putih, Kochin Brown, Sexy Pink, Ayu Green, Anjamani, Sartika, Charlie Brown, Snowwhite, Donacarmen, Big Leaf, Krisna Golden, Bidadari, Siam Aurora, Queen of Siam, dan Kanza. Hasil dari karakterisasi morfologi menghasilkan dendrogram dengan koefisien kemiripan sebesar 0,82 terbagi menjadi 2 klaster dan berdasarkan analisis komponen utama (PCA) tanaman aglaonema dapat diklasifikasikan menjadi 3 macam kombinasi warna tunggal, kombinasi dua warna dan kombinasi tiga warna. Kata Kunci : Aglaonema; Analisis Komponen Utama; Hubungan Kekerabatan Genetik; Koefisien Kemiripan.