Distant heteroploid hybridization improved Hedychium floral scent, floral color and morphologcal traits

Xue, Wei; Zhou, Yiwei; Abbas, Farhat; Yan, Fulong; Zou, Xinru; Yu, Yunyi; Gao, Ting; He, Jingjuan; Qin, Wang; Yu, Rangcai; Fan, Yanting

doi:10.1016/j.indcrop.2023.116357

Cited by 4 publications

(2 citation statements)

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“…Understanding the inheritance patterns of key ornamental traits can provide insights into more effective genetic breeding. The inheritance patterns of ornamental traits in various plants, such as Streptocarpus [ 25 ], Lilium [ 26 ], Chrysanthemum [ 27 , 28 , 29 , 30 ], and Hedychium [ 31 , 32 ], have been examined. The study of floral trait inheritance patterns in Asteraceae ornamental plants is a popular research topic, with the inheritance patterns of several traits, such as flower type, being clarified [ 29 , 30 ].…”

Section: Discussionmentioning

confidence: 99%

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Phenotypic Variation in Flower Color and Morphology in the Gerbera (Gerbera hybrida) F1 Hybrid Population and Their Association with EST-SSR Markers

Zhou,

Zou,

Yan

et al. 2023

IJMS

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Gerbera (Gerbera hybrida) is a widely cultivated ornamental plant. However, its genetic improvement is limited by the lack of genetic analysis and molecular markers for traits. In this study, we analyzed the phenotypic and genotypic variation of 140 F1 progeny from two gerbera varieties with different flower types and colors. We evaluated the flower’s morphology, color, and pigment content of the F1 population and performed cluster principal component analysis (PCA) and correlation analysis. The results showed that the main ornamental traits of the hybrid progeny varied greatly. The segregation ratios of single and double flowers and ligulate and split ray florets were both 1:1. The flower colors of the F1 progeny were mainly red and purple-red, similar to the male parent’s color. Furthermore, we conducted a genetic analysis of the hybrid progeny using EST-SSR markers and performed association analysis with phenotypic traits. We identified 2, 2, 3, 1, and 2 loci to be associated with peduncle length (PL), ray floret length (RFL), and outer ray floret; the level of apex relative to the top of involucre (LAI); outer corolla lips (OCL); and the b* of ray floret color, respectively. Our results reveal the genetic patterns of important ornamental traits and provide a theoretical basis and practical tools for gerbera genetic breeding.

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