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All Journal Jurnal Agronomi Indonesia (Indonesian Journal of Agronomy)
Awang Maharijaya
Department of Agronomy and Horticulture, Faculty of Agriculture, IPB University (Bogor Agricultural University), Jl. Meranti, Kampus IPB Dramaga, Bogor, West Java 16680, INDONESIA
Agriculture, Biological Sciences & Forestry Economics, Econometrics & Finance

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Understanding gene interactions controlling resistance to pepper yellow leaf curl disease through phenotype-based analysis Tri Wahono Dyah Ayu Sayekti; Muhamad Syukur; Sri Hendrastuti Hidayat; Sobir Sobir; Awang Maharijaya
Jurnal Agronomi Indonesia (Indonesian Journal of Agronomy) Vol. 53 No. 2 (2025): Jurnal Agronomi Indonesia (Indonesian Journal of Agronomy)
Publisher : Indonesia Society of Agronomy (PERAGI) and Department of Agronomy and Horticulture, Faculty of Agriculture, IPB University, Bogor, Indonesia

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.24831/jai.v53i2.65965

Abstract

Pepper yellow leaf curl disease (PYLCD) is the primary disease that affects chili plants, resulting in a loss of quality and quantity. The identification of chili plants resistant to PYLCD is a solution to support optimal chili cultivation. The purpose of this study was to estimate genetic parameters to obtain information on the genetic control of chili resistance to PYLCD. The genotypes used in this study consisted of four parental, four hybrid genotypes, and 180 individuals of the F2 population. The results showed that the genotypes "F6074" and "IPBC12" were categorized as resistant, while the genotypes “IPBC5” and “YUNI” were categorized as susceptible. The distribution of resistance level in chili peppers to yellow curly leaf disease tends to follow a ratio of 13:3, with a dominance of susceptible traits. The assumption for this phenomenon is that resistance to PYLCD is controlled by at least two genes. Both genes have dominant and recessive epistatic interactions. Keywords: Begomovirus; chi-square; epistasis; resilience
Co-Authors Muhamad Syukur Sobir Sobir Sri Hendrastuti Hidayat Tri Wahono Dyah Ayu Sayekti