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All Journal Torani Journal of Fisheries and Marine Science AGRIVITA, Journal of Agricultural Science Biology, Medicine, & Natural Product Chemistry Jurnal Biologi Tropis ANNALES BOGORIENSES Journal of Tropical Crop Science Annales Bogorienses
REFLINUR REFLINUR
Balai Besar Penelitian dan Pengembangan Bioteknologi dan Sumberdaya Genetik Pertanian, Jl. Tentara Pelajar 3A, Bogor 16111
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Journal : Journal of Tropical Crop Science

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Genetic Variability, Correlation, and Path Analysis in F2 Population of Sorghum Rahayu, Anita; Wirnas, Desta; Trikoesoemaningtyas, Trikoesoemaningtyas; Reflinur, Reflinur
Journal of Tropical Crop Science Vol. 13 No. 01 (2026): Journal of Tropical Crop Science
Publisher : Department of Agronomy and Horticulture, IPB University

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.29244/jtcs.13.01.33-44

Abstract

Indonesian sorghum (Sorghum bicolor L.) germplasm with the highest genetic diversity can serve as a valuable resource for developing high-yielding cultivars. Therefore, the present research aimed to obtain information on genetic variability in the population and also determine the key traits associated with grain yield using correlation and path analysis in sorghum F2 population. The sorghum parental genotypes 'Demak 4' and 'Soraya 3', and a local high yielding IPB line, NS 19, NS 109, and NS 111, were used in the crosses. The F2 population was evaluated against parental cultivars and four check genotypes. The results showed that 64 individual plants were observed as transgressive segregants. Meanwhile, the number of leaves and plant height were controlled polygenically through additive genes. The traits of panicle diameter, dry panicle weight, and grain weight per panicle possessed the highest genotypic coefficient of variance. The traits dry panicle weight and diameter were significantly positively correlated with grain yield. The considerable positive correlation with dried panicle weight, panicle length, and diameter could be used as selection criteria. The path analysis reported that the observed agronomic traits explained 97.07% of the total variation in grain weight per panicle.
Co-Authors Agus Purwito Anita Rahayu Arfa, Namira Nur Atriyon Julzarika Berna Elya BUDI SETIADI DARYONO Desta Wirnas Dewi Sukma Ineu Sulastrini KRISTIANTO NUGROHO, KRISTIANTO M. Hidayat, Iteu Maharani, Fasya Hadaina Mastur Mastur Mia Kosmiatin Novita, Hessy Nugraha, Media Fitri Isma Pramudyani, Lelya Radjamuddin, Alias Rajamuddin, Muh Alias Rajamuddin, Muh Alias L ROSSA YUNITA Salamiah . Tri Handayani TRI JOKO SANTOSO Trikoesoemaningtyas Waluyo, Nurmalita Wening Enggarini