Linkage Analysis of the Three Loci Determining Rind Color and Stripe Pattern in Watermelon
- Authors
- Yang, Hee-Bum; Park, Sung-Woo; Park, Younghoon; Lee, Gung Pyo; Kang, Sun-Cheol; Kim, Yong Kwon
- Issue Date
- Aug-2015
- Publisher
- KOREAN SOC HORTICULTURAL SCIENCE
- Keywords
- foreground pattern of stripe; genetic analysis; rind background color; rind phenotype; watermelon (Citrullus lanatus)
- Citation
- KOREAN JOURNAL OF HORTICULTURAL SCIENCE & TECHNOLOGY, v.33, no.4, pp 559 - 565
- Pages
- 7
- Journal Title
- KOREAN JOURNAL OF HORTICULTURAL SCIENCE & TECHNOLOGY
- Volume
- 33
- Number
- 4
- Start Page
- 559
- End Page
- 565
- URI
- https://scholarworks.bwise.kr/cau/handle/2019.sw.cau/9310
- DOI
- 10.7235/hort.2015.14070
- ISSN
- 1226-8763
2465-8588
- Abstract
- The rind phenotype of watermelon fruits is an important agronomic characteristic in the watermelon market Inheritance and linkage analyses were performed for three rind-related traits that together determine the rind phenotype: foreground stripe pattern, rind background color, and depth of rind color. The inheritance of the foreground stripe pattern was analyzed using three different F-2 populations, showing that the striped pattern is dominant over the non-striped pattern. The inheritance analysis of the rind background color was performed using F-2 populations of the '10909' and '109905', and the depth of rind color was analyzed using F-2 populations of the '90509' and '109905'. Yellow color was found to be dominant over green color, and a deep color was dominant over the standard color. Linkage analysis of the three traits was conducted using three F-2 populations in which two traits were segregating. Each pair of traits was inherited independently, which demonstrated that the three traits are not linked. Therefore, we propose a three-locus model for the determination of rind phenotype, providing novel insight that rind phenotype is determined by the combination of three genetically independent loci.
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