蜡梅花色及其红花新资源研究进展

doi:10.16420/j.issn.0513-353x.2021-0126

摘要/Abstract

摘要：

蜡梅（Chimonanthus praecox）花的整体颜色主要由中被片决定,总体上较为单调。总结了蜡梅花色表型及品种分类、花色成分及合成途径、花色呈色分子机制及关键基因等研究成果,并对新资源类型红花蜡梅的选育与性状及变色过程等进行了综述。

关键词: 蜡梅, 红花蜡梅, 花色, 生物合成途径, 花色成分, 呈色机制

Abstract:

The overall flower color of the wintersweet（Chimonanthus praecox）is mainly determined by the middle tepals. The flower color is generally monotonous. The research achievements of wintersweet flower color,such as flower color phenotype and variety classification,flower color composition and biosynthesis pathway,molecular mechanism and key genes of wintersweet flower color development were summarized. In addition,the breeding and traits of new type of red flower wintersweet,and the process of its color change were also discussed.

Key words: wintersweet, red flower wintersweet, flower color, biosynthesis pathway, flower color components, coloration mechanism

中图分类号:

S685.99

沈植国, 张琳, 袁德义, 程建明. 蜡梅花色及其红花新资源研究进展[J]. 园艺学报, 2022, 49(4): 924-934.

SHEN Zhiguo, ZHANG Lin, YUAN Deyi, CHENG Jianming. Research Progress on Flower Color and New Red Flower Resource of Wintersweets（Chimonanthus praecox）[J]. Acta Horticulturae Sinica, 2022, 49(4): 924-934.

图/表 4

图1 蜡梅3大品种群代表

Fig. 1 Representatives of three major wintersweet variety groups

图2 红花蜡梅品种类型

Fig. 2 Variety types of red flower wintersweets a: Red flower wintersweet（Chimonanthus praecox‘Hongyun’）;b:Elite clone of red flower wintersweet（Chimonanthus praecox‘Honghua 2’）.

图3 素心蜡梅花后期变色现象（a）和红心蜡梅花后期变色现象（b）

Fig. 3 The coloration change of Chimonanthus praecox var. concolor（a）and C. praecox var. intermedius（b）flower at the later stage observed by the authors

图4 ‘鸿运’蜡梅开花过程及花被片变色进程 a:花期植株;b:鳞芽萌动期;c:绿蕾初期;d:绿蕾末期;e:黄蕾期;f:露瓣期;g:初开期;h:盛开期。

Fig. 4 Flowering process and tepal discoloration of Chimonanthus praecox‘Hongyun’ a:The plant in the flowering period;b:Sprout period of scale bud;c:Early period of green bud;d:Late period of green bud;e:Yellow bud period;f:Tepal-displaying period;g:Initiated bloom period;h:Bloom period.

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