Hybrid weakness and continuous flowering caused by compound expression of FTLs in Chrysanthemum morifolium × Leucanthemum paludosum intergeneric hybridization

Hybridization is an important evolutionary mechanism ubiquitous to plants. Previous studies have shown that hybrid polyploidization of cultivated chrysanthemum, 'Zhongshanzigui', and exhibit spring-flowering traits. This study explores the function of the LpFTLs gene via the phenotype of A...

Ausführliche Beschreibung

Gespeichert in:
Bibliographische Detailangaben
Veröffentlicht in:Frontiers in plant science 2023-01, Vol.14, p.1120820-1120820
Hauptverfasser: Li, Zixuan, Mao, Chenyuan, Wu, Xinyi, Zhou, Haoqing, Zhao, Kunkun, Jiang, Jiafu, Chen, Sumei, Fang, Weimin, Guan, Zhiyong, Zhang, Jing, Liao, Yuan, Wang, Zhenxing, Chen, Fadi, Wang, Haibin
Format: Artikel
Sprache:eng
Schlagworte:
Online-Zugang:Volltext
Tags: Tag hinzufügen
Keine Tags, Fügen Sie den ersten Tag hinzu!
Beschreibung
Zusammenfassung:Hybridization is an important evolutionary mechanism ubiquitous to plants. Previous studies have shown that hybrid polyploidization of cultivated chrysanthemum, 'Zhongshanzigui', and exhibit spring-flowering traits. This study explores the function of the LpFTLs gene via the phenotype of A. thaliana after heterologous transformation of the LpFTLs gene, and analyzes the mechanism ofthe continuous flowering phenotype and heterosis of hybrid offspring. The results suggest that the flowering phenotype of hybrid offspring in spring may be related to the expression of the gene. Ectopic expression of in resulted in earlier flowering, indicating that the gene also affects the flowering time in Compound expression of in × intergeneric hybridization directly leads to serious heterosis in the hybrid offspring. Moreover, continuous flowering appears to be accompanied by hybrid weakness under the balance of vegetative and reproductive growth. Therefore, in future studies on chrysanthemum breeding, a suitable balance point must be established to ensure the target flowering time under normal growth.
ISSN:1664-462X
1664-462X
DOI:10.3389/fpls.2023.1120820