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All Journal Jurnal Fitopatologi Indonesia Agrikultura Proceedings of Annual International Conference Syiah Kuala University - Life Sciences & Engineering Chapter AGROEKOTEKNOLOGI Indonesian Journal of Agricultural Research Journal of Saintech Transfer Biodiversitas Journal of Biological Diversity
Mariati Ferry Ezra T. Sitepu Mariati* Afifa Ulfa Batubara
Program Studi Agroekoteknologi, Fakultas Pertanian USU
Agriculture, Biological Sciences & Forestry Biochemistry, Genetics & Molecular Biology Economics, Econometrics & Finance Engineering Environmental Science Medicine & Pharmacology Social Sciences Veterinary Other

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Identification and characterization of corn plants for downy mildew resistance in North Sumatra, Indonesia DIANA SOFIA HANAFIAH; SYAMSAFITRI SYAMSAFITRI; MARIATI MARIATI; CHAIRANI HANUM; MUHDI MUHDI; GALI RAKASIWI; M. HAFAZH ABDURRAHMAN; M. AMIN NUR; DINA SAHTIKA
Biodiversitas Journal of Biological Diversity Vol. 26 No. 5 (2025)
Publisher : Society for Indonesian Biodiversity

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.13057/biodiv/d260511

Abstract

Abstract. Hanafiah DS, Syamsafitri, Mariati, Hanum C, Muhdi, Rakasiwi G, Abdurrahman MH, Nur MA, Sahtika D. 2025. Identification and characterization of corn plants for downy mildew resistance in North Sumatra, Indonesia. Biodiversitas 26: 2130-2138. The collection of germplasm determines the success of variety assembly. The genetic material contained in the germplasm has a strategic meaning in the assembly or improvement of varieties. This study aims to identify the kinship between morphological characteristics of individual corn plants. This study was conducted in Karo and Dairi Districts, North Sumatra, Indonesia from July-August 2024. Identification and plant characterization are carried out to preserve germplasm, which is the initial stage in breeding activities, especially in local germplasm. Characterization was carried out on corn genotypes in several villages in two districts in North Sumatra. The survey method used plant descriptors from the International Union for the Protection of New Varieties (UPOV) guide with a purposive method for determining the location and sampling technique. A total of 26 corn plant cultivars were studied. The result showed that based on the cluster method (grouping) of morphological characteristics, 3 groups were formed. The differences include stem color, leaf angle and ear tip shape. The closest cultivars are cultivars 14 and 16 from Kuta Tengah Village, Siempat Nempu Hulu Sub-district. The results of the characterization and identification of corn plants did not find any downy mildew attacks in Karo and Dairi Districts. The implication of this research is information on the diversity of corn germplasm and for the next stage the utilization of germplasm for corn plant breeding programs in North Sumatra.
Co-Authors Afifa Ulfa Batubara Agustina E Marpaung ahmad sadam Amelia Sebayang Andrio Sorensen Anwar Koheri Arga Malona asil barus Barus, Susilawati Batubara, Afifa Ulfa Benhard H. Sitepu Berson Berson Bobby Frans Natanael Boy Edika Sembiring CHAIRANI HANUM Daniel Cristianus Sipangkar DIANA SOFIA HANAFIAH Diana Sofia Hanafiah DINA SAHTIKA Edison Purba Eric Pandiangan Ernika Septyma Br Pardede Esther Tarigan Ezra T. Sitepu, Ferry Faizan Muhammad Nasution Fajar Yandi Siahaan Ferry Ezra Sitepu Ferry Ezra T. Sitepu Gali Rakasiwi grecya manalu Hamidah Hanum Hanafia, Diana Sofia Hasanuddin Hasanuddin Irsal Irsal J. A. Napitupulu J. A. Napitupulu Joindida Frensisco Sianipar Jonis Ginting Lisa Lisa Mawarni Luthfi A. M Siregar M. AMIN NUR M. HAFAZH ABDURRAHMAN Manurung, Erpina Delina Mariana Putri Meiriani Meiriani Muhammad Indra Iswahyudi MUHDI MUHDI Nelson Simanjuntak nico jan sianipar Nini Rahmawati Nini Rahmawati Noverita SV Noverita SV Osmin Sipayung Pendi Kurniawan Pasaribu Puspa Hayati Sinambela, Rasiska Tarigan Rian Eko Pradana Rini Murtiningsih rosita sipayung Rosita Sipayung Rosmayati Rosmayati Sabar Ginting SYAMSAFITRI SYAMSAFITRI Toga Simanungkalit Toga Simanungkalit Wanda Andika Hasibuan Windy WS Manullang Yaya Hasanah