![]() ![]() The dwarfness of dw could be recovered by exogenous gibberellic acid (GA) application, and endogenous GA levels showed that the GA4 content of dw was substantially lower than that of NH. It was found that the internode length and cell number were significantly reduced in dw than in NH, and the thickness of the xylem and pith was significantly decreased. The functions of key genes in the dwarf trait were verified by heterologous expression. Differentially expressed genes in the dw and NH groups were screened using transcriptome analysis. praecox (NH) were used to identify the types of hormones regulating dw formation using phenotypic identification and endogenous hormone determination. praecox, we obtained the germplasm of a dwarf C. After a long-term investigation and collection of germplasm resources of C. The lack of natural dwarf germplasm has hindered research into the molecular mechanisms of developing dwarf wintersweet, limiting its cultivation. ![]() The development of dwarf wintersweet varieties has become an important research topic for the wintersweet industry. Chimonanthus praecox (wintersweet) is an important cut flower and pot plant with a high ornamental and economic value in China. ![]()
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